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Evidence for a Long-Range Component in the Pion Emission Source in Au+Au Collisions at sNN=200 GeV

Physical Review Letters 2007年第13期98卷 132301-132301页

作者： S. S. Adler S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba J. Alexander R. Amirikas L. Aphecetche S. H. Aronson R. Averbeck T. C. Awes R. Azmoun V. Babintsev A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck S. Bathe S. Batsouli V. Baublis A. Bazilevsky S. Belikov Y. Berdnikov S. Bhagavatula J. G. Boissevain H. Borel S. Borenstein M. L. Brooks D. S. Brown N. Bruner D. Bucher H. Buesching V. Bumazhnov G. Bunce J. M. Burward-Hoy S. Butsyk X. Camard J.-S. Chai P. Chand W. C. Chang S. Chernichenko C. Y. Chi J. Chiba M. Chiu I. J. Choi J. Choi R. K. Choudhury T. Chujo P. Chung V. Cianciolo Y. Cobigo B. A. Cole P. Constantin M. Csanád T. Csörgő D. d’Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond A. Devismes O. Dietzsch O. Drapier A. Drees R. du Rietz A. Durum D. Dutta Y. V. Efremenko K. El Chenawi A. Enokizono H. En’yo S. Esumi L. Ewell D. E. Fields F. Fleuret S. L. Fokin B. D. Fox Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley S.-Y. Fung S. Garpman T. K. Ghosh A. Glenn G. Gogiberidze M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp W. Guryn H.-Å. Gustafsson T. Hachiya J. S. Haggerty H. Hamagaki A. G. Hansen E. P. Hartouni M. Harvey R. Hayano N. Hayashi X. He M. Heffner T. K. Hemmick J. M. Heuser M. Hibino J. C. Hill W. Holzmann K. Homma B. Hong A. Hoover T. Ichihara V. V. Ikonnikov K. Imai D. Isenhower M. Ishihara M. Issah A. Isupov B. V. Jacak W. Y. Jang Y. Jeong J. Jia O. Jinnouchi B. M. Johnson S. C. Johnson K. S. Joo D. Jouan S. Kametani N. Kamihara J. H. Kang S. S. Kapoor K. Katou S. Kelly B. Khachaturov A. Khanzadeev J. Kikuchi D. H. Kim D. J. Kim D. W. Kim E. Kim G.-B. Kim H. J. Kim E. Kistenev A. Kiyomichi K. Kiyoyama C. Klein-Boesing H. Kobayashi L. Kochenda V. Kochetkov D. Koehler T. Kohama M. Kopytine D. Kotchetkov A. Kozlov P. J. Kroon C. H. Kuberg K. Kurita Y. Kuroki M. J. Kweon Y. Kwon G. S. Kyle R. Lacey V. Ladygin J. G. Lajoie A. Lebedev S. Leckey D. M. Lee S. Lee M. J. Leitch X. H. Li H. Lim A. Litvinenko M. X. Liu Y. Liu C. F. Ma Brookhaven National Laboratory Upton New York 11973-5000 USA Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA KEK High Energy Accelerator Research Organization Tsukuba Ibaraki 305-0801 Japan RIKEN The Institute of Physical and Chemical Research Wako Saitama 351-0198 Japan Florida State University Tallahassee Florida 32306 USA SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722 - 44307 Nantes France Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California - Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico Albuquerque New Mexico 87131 USA Institut für Kernphysik University of Muenster D-48149 Muenster Germany Columbia University New York New York 10027 USA and Nevis Laboratories Irvington New York 10533 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad Region 188300 Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Iowa State University Ames Iowa 50011 USA Saint Petersburg State Polytechnic University St. Petersburg Russia Laboratoire Leprince-Ringuet Ecole Polytechnique CNRS-IN2P3 Route de Saclay F-91128 Palaiseau France New Mexico State University Las Cruces New Mexico 88003 USA Lawrence Livermore National Laboratory Livermore California 94550 USA KAERI Cyclotron Application Laboratory Seoul South Korea Bhabha Atomic Research Centre Bombay 400 085 India Institute of Physics Academia Sinica Taipei 11529 Taiwan Yonsei University IPAP Seoul 120-749 Korea Kangnung National

Emission source functions are extracted from correlation functions constructed from charged pions produced at midrapidity in Au+Au collisions at sNN=200 GeV. The source parameters extracted from these functions at low kT give first indications of a long tail for the pion emission source. The source extension cannot be explained solely by simple kinematic considerations. The possible role of a halo of secondary pions from resonance emissions is explored.

关键词： Light emission

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Safety and Efficacy of Crizotinib in ALK-Positive Lymphomas: A Phase 1b Open-Label Study

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BLOOD 2017年 130卷 4128-4128页

作者： Gambacorti-Passerini, Carlo Orlov, Sergey Zhang, Li Braiteh, Fadi Huang, Huiqiang Esaki, Taito Horibe, Keizo Ahn, Jin-Seok Beck, Joseph T. Edenfield, William Jeffrey Shi, Yuankai Taylor, Matthew Tamura, Kenji Van Tine, Brian A. Wu, Shang-Ju Paolini, Jolanda Li, Sherry Kim, Tae Min University Milano Bicocca San Gerardo Hospital Monza Italy Saint Petersburg Medical University Saint Petersburg Russian Federation State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat-Sen University Cancer Center Guangdong China Comprehensive Cancer Centers of Nevada Las Vegas NV Department of Medical Oncology Zhongshan University Guangdong China National Kyushu Cancer Center Fukuoka Japan Clinical Research Center National Hospital Organization Nagoya Medical Center Nagoya Japan Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Korea Republic of (South) Highlands Oncology Group Fayetteville AR Cancer Institute of Greenville Health System Greenville SC Beijing Key Laboratory of Clinical Study on Anticancer Molecular Targeted Drugs Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China Oregon Health & Science University Portland OR National Cancer Center Hospital Tokyo Japan Washington University School of Medicine St. Louis MO Division of Hematology Department of Internal Medicine National Taiwan University Hospital Taipei Taiwan Pfizer Oncology Milan Italy Pfizer Oncology La Jolla CA Seoul National University Hospital Seoul Korea Republic of (South)

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Charged Kaon Interferometric Probes of Space-Time Evolution in Au+Au Collisions at sNN=200 GeV

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Physical Review Letters 2009年第14期103卷 142301-142301页

作者： S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba J. Alexander A. Al-Jamel K. Aoki L. Aphecetche R. Armendariz S. H. Aronson R. Averbeck T. C. Awes B. Azmoun V. Babintsev A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck S. Bathe S. Batsouli V. Baublis F. Bauer A. Bazilevsky S. Belikov R. Bennett Y. Berdnikov M. T. Bjorndal J. G. Boissevain H. Borel K. Boyle M. L. Brooks D. S. Brown D. Bucher H. Buesching V. Bumazhnov G. Bunce J. M. Burward-Hoy S. Butsyk S. Campbell J.-S. Chai S. Chernichenko J. Chiba C. Y. Chi M. Chiu I. J. Choi T. Chujo V. Cianciolo C. R. Cleven Y. Cobigo B. A. Cole M. P. Comets P. Constantin M. Csanád T. Csörgő T. Dahms K. Das G. David H. Delagrange A. Denisov D. d’Enterria A. Deshpande E. J. Desmond O. Dietzsch A. Dion J. L. Drachenberg O. Drapier A. Drees A. K. Dubey A. Durum V. Dzhordzhadze Y. V. Efremenko J. Egdemir A. Enokizono H. En’yo B. Espagnon S. Esumi D. E. Fields F. Fleuret S. L. Fokin B. Forestier Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley Y. Fukao S.-Y. Fung S. Gadrat F. Gastineau M. Germain A. Glenn M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp T. Gunji H.-Å. Gustafsson T. Hachiya A. Hadj Henni J. S. Haggerty M. N. Hagiwara H. Hamagaki H. Harada E. P. Hartouni K. Haruna M. Harvey E. Haslum K. Hasuko R. Hayano M. Heffner T. K. Hemmick J. M. Heuser X. He H. Hiejima J. C. Hill R. Hobbs M. Holmes W. Holzmann K. Homma B. Hong T. Horaguchi M. G. Hur T. Ichihara K. Imai M. Inaba D. Isenhower L. Isenhower M. Ishihara T. Isobe M. Issah A. Isupov B. V. Jacak J. Jia J. Jin O. Jinnouchi B. M. Johnson K. S. Joo D. Jouan F. Kajihara S. Kametani N. Kamihara M. Kaneta J. H. Kang T. Kawagishi A. V. Kazantsev S. Kelly A. Khanzadeev D. J. Kim E. Kim Y.-S. Kim E. Kinney Á. Kiss E. Kistenev A. Kiyomichi C. Klein-Boesing L. Kochenda V. Kochetkov B. Komkov M. Konno D. Kotchetkov A. Kozlov P. J. Kroon G. J. Kunde N. Kurihara K. Kurita M. J. Kweon Y. Kwon G. S. Kyle R. Lacey J. G. Lajoie A. Lebedev Y. Le Bornec S. Leckey D. M. Lee M. K. Lee M. J. Leit Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Columbia University New York New York 10027 USA and Nevis Laboratories Irvington New York 10533 USA Chemistry Department Stony Brook University Stony Brook SUNY New York 11794-3400 USA RIKEN Nishina Center for Accelerator-Based Science Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA New Mexico State University Las Cruces New Mexico 88003 USA Kyoto University Kyoto 606-8502 Japan SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722 - 44307 Nantes France Brookhaven National Laboratory Upton New York 11973-5000 USA Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California–Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico Albuquerque New Mexico 87131 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad region 188300 Russia Iowa State University Ames Iowa 50011 USA Saint Petersburg State Polytechnic University St. Petersburg Russia Institut für Kernphysik University of Muenster D-48149 Muenster Germany KAERI Cyclotron Application Laboratory Seoul Korea KEK High Energy Accelerator Research Organization Tsukuba Ibaraki 305-0801 Japan Yonsei University IPAP Seoul 120-749 Korea Vanderbilt University Nashville Tennessee 37235 USA Georgia State University Atlanta Georgia 30303 USA IPN-Orsay Universite Paris Sud CNRS-IN2P3 BP1 F-91406 Orsay France ELTE Eötvös Loránd University H-1117 Budapest Pázmány P. s. 1/A Hungary KFKI Research Institute for Particle and Nuclear Physics of the Hungarian Academy

Bose-Einstein correlations of charged kaons are used to probe Au+Au collisions at sNN=200 GeV and are compared to charged pion probes, which have a larger hadronic scattering cross section. Three-dimensional Gaussian source radii are extracted, along with a one-dimensional kaon emission source function. The centrality dependences of the three Gaussian radii are well described by a single linear function of Npart1/3 with a zero intercept. Imaging analysis shows a deviation from a Gaussian tail at r≳10 fm, although the bulk emission at lower radius is well described by a Gaussian. The presence of a non-Gaussian tail in the kaon source reaffirms that the particle emission region in a heavy-ion collision is extended, and that similar measurements with pions are not solely due to the decay of long-lived resonances.

关键词： Heavy ions

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Photon-hadron jet correlations in p+p and Au+Au collisions at sNN=200 GeV

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Physical Review C 2009年第2期80卷 024908-024908页

作者： A. Adare S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba H. Al-Bataineh J. Alexander A. Al-Jamel K. Aoki L. Aphecetche R. Armendariz S. H. Aronson J. Asai E. T. Atomssa R. Averbeck T. C. Awes B. Azmoun V. Babintsev M. Bai G. Baksay L. Baksay A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck A. T. Basye S. Bathe S. Batsouli V. Baublis F. Bauer C. Baumann A. Bazilevsky S. Belikov R. Bennett A. Berdnikov Y. Berdnikov A. A. Bickley M. T. Bjorndal J. G. Boissevain H. Borel K. Boyle M. L. Brooks D. S. Brown D. Bucher H. Buesching V. Bumazhnov G. Bunce J. M. Burward-Hoy S. Butsyk C. M. Camacho S. Campbell J.-S. Chai B. S. Chang W. C. Chang J.-L. Charvet C.-H. Chen S. Chernichenko J. Chiba C. Y. Chi M. Chiu I. J. Choi R. K. Choudhury T. Chujo P. Chung A. Churyn V. Cianciolo Z. Citron C. R. Cleven Y. Cobigo B. A. Cole M. P. Comets M. Connors P. Constantin M. Csanád T. Csörgő T. Dahms S. Dairaku K. Das G. David M. B. Deaton K. Dehmelt H. Delagrange A. Denisov D. d'Enterria A. Deshpande E. J. Desmond O. Dietzsch A. Dion M. Donadelli J. L. Drachenberg O. Drapier A. Drees K. A. Drees A. K. Dubey A. Durum D. Dutta V. Dzhordzhadze Y. V. Efremenko J. Egdemir F. Ellinghaus W. S. Emam T. Engelmore A. Enokizono H. En'yo B. Espagnon S. Esumi K. O. Eyser B. Fadem D. E. Fields M. Finger, Jr. M. Finger F. Fleuret S. L. Fokin B. Forestier Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley K. Fujiwara Y. Fukao S.-Y. Fung T. Fusayasu S. Gadrat I. Garishvili F. Gastineau M. Germain A. Glenn H. Gong M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp T. Gunji H.-Å. Gustafsson T. Hachiya A. Hadj Henni C. Haegemann J. S. Haggerty M. N. Hagiwara H. Hamagaki R. Han H. Harada E. P. Hartouni K. Haruna M. Harvey E. Haslum K. Hasuko R. Hayano M. Heffner T. K. Hemmick T. Hester J. M. Heuser X. He H. Hiejima J. C. Hill R. Hobbs M. Hohlmann M. Holmes W. Holzmann K. Homma B. Hong T. Horaguchi D. Hornback S. Huang M. G. Hur T. Ichihara R. Ichimiya Y. Ikeda K. Imai J. Imrek M. Inaba Y. Inoue D. Isenhower L. Isenho University of Colorado Boulder Colorado 80309 USA Joint Institute for Nuclear Research RU-141980 Dubna Moscow Region Russia Columbia University New York NY 10027 and Nevis Laboratories Irvington New York 10533 USA Department of Physics University of Massachusetts Amherst Massachusetts 01003-9337 USA Chemistry Department Stony Brook University Stony Brook SUNY New York 11794-3400 USA RIKEN Nishina Center for Accelerator-Based Science Wako Saitama 351-0198 JAPAN RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA New Mexico State University Las Cruces New Mexico 88003 USA Kyoto University Kyoto 606-8502 Japan SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722-44307 Nantes France Physics Department Brookhaven National Laboratory Upton New York 11973-5000 USA Laboratoire Leprince-Ringuet Ecole Polytechnique CNRS-IN2P3 Route de Saclay F-91128 Palaiseau France Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino RU-142281 Russia Collider-Accelerator Department Brookhaven National Laboratory Upton New York 11973-5000 USA Florida Institute of Technology Melbourne Florida 32901 USA Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California-Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico Albuquerque New Mexico 87131 USA Abilene Christian University Abilene Texas 79699 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad region RU-188300 Russia Institut für Kernphysik University of Muenster D-48149 Muenster Germany Iowa State University Ames Iowa 50011 USA Saint Petersburg State Polytechnic University St. Petersburg Russia KAERI Cyclotron Application Laboratory Se

We report the observation at the Relativistic Heavy Ion Collider of suppression of back-to-back correlations in the direct photon+jet channel in Au+Au relative to p+p collisions. Two-particle correlations of direct photon triggers with associated hadrons are obtained by statistical subtraction of the decay photon-hadron (γ−h) background. The initial momentum of the away-side parton is tightly constrained, because the parton-photon pair exactly balance in momentum at leading order in perturbative quantum chromodynamics, making such correlations a powerful probe of the in-medium parton energy loss. The away-side nuclear suppression factor, IAA, in central Au+Au collisions, is 0.32±0.12stat±0.09syst for hadrons of 3

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Double-helicity dependence of jet properties from dihadrons in longitudinally polarized p+p collisions at s=200 GeV

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Physical Review D 2010年第1期81卷 012002-012002页

作者： A. Adare S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba H. Al-Bataineh J. Alexander K. Aoki L. Aphecetche R. Armendariz S. H. Aronson J. Asai E. C. Aschenauer E. T. Atomssa R. Averbeck T. C. Awes B. Azmoun V. Babintsev M. Bai G. Baksay L. Baksay A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck A. T. Basye S. Bathe S. Batsouli V. Baublis C. Baumann A. Bazilevsky S. Belikov R. Bennett A. Berdnikov Y. Berdnikov A. A. Bickley J. G. Boissevain H. Borel K. Boyle M. L. Brooks H. Buesching V. Bumazhnov G. Bunce S. Butsyk C. M. Camacho S. Campbell B. S. Chang W. C. Chang J.-L. Charvet S. Chernichenko J. Chiba C. Y. Chi M. Chiu I. J. Choi R. K. Choudhury T. Chujo P. Chung A. Churyn V. Cianciolo Z. Citron C. R. Cleven B. A. Cole M. P. Comets P. Constantin M. Csanád T. Csörgő T. Dahms S. Dairaku K. Das G. David M. B. Deaton K. Dehmelt H. Delagrange A. Denisov D. d’Enterria A. Deshpande E. J. Desmond O. Dietzsch A. Dion M. Donadelli O. Drapier A. Drees K. A. Drees A. K. Dubey A. Durum D. Dutta V. Dzhordzhadze Y. V. Efremenko J. Egdemir F. Ellinghaus W. S. Emam T. Engelmore A. Enokizono H. En’yo S. Esumi K. O. Eyser B. Fadem D. E. Fields M. Finger, Jr. M. Finger F. Fleuret S. L. Fokin Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley K. Fujiwara Y. Fukao T. Fusayasu S. Gadrat I. Garishvili A. Glenn H. Gong M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp T. Gunji H.-Å. Gustafsson T. Hachiya A. Hadj Henni C. Haegemann J. S. Haggerty H. Hamagaki R. Han H. Harada E. P. Hartouni K. Haruna E. Haslum R. Hayano M. Heffner T. K. Hemmick T. Hester X. He H. Hiejima J. C. Hill R. Hobbs M. Hohlmann W. Holzmann K. Homma B. Hong T. Horaguchi D. Hornback S. Huang T. Ichihara R. Ichimiya H. Iinuma Y. Ikeda K. Imai J. Imrek M. Inaba Y. Inoue D. Isenhower L. Isenhower M. Ishihara T. Isobe M. Issah A. Isupov D. Ivanischev B. V. Jacak J. Jia J. Jin O. Jinnouchi B. M. Johnson K. S. Joo D. Jouan F. Kajihara S. Kametani N. Kamihara J. Kamin M. Kaneta J. H. Kang H. Kanou J. Kapustinsky D. Kawall A. V. Ka University of Colorado Boulder Colorado 80309 USA Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Columbia University New York New York 10027 USA and Nevis Laboratories Irvington New York 10533 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA Department of Physics University of Massachusetts Amherst Massachusetts 01003-9337 USA Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA RIKEN Nishina Center for Accelerator-Based Science Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA New Mexico State University Las Cruces New Mexico 88003 USA Kyoto University Kyoto 606-8502 Japan SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722-44307 Nantes France Physics Department Brookhaven National Laboratory Upton New York 11973-5000 USA Laboratoire Leprince-Ringuet Ecole Polytechnique CNRS-IN2P3 Route de Saclay F-91128 Palaiseau France Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Collider-Accelerator Department Brookhaven National Laboratory Upton New York 11973-5000 USA Florida Institute of Technology Melbourne Florida 32901 USA Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California-Riverside Riverside California 92521 USA University of New Mexico Albuquerque New Mexico 87131 USA Abilene Christian University Abilene Texas 79699 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad region 188300 Russia Institut für Kernphysik University of Muenster D-48149 Muenster Germany Saint Petersburg State Polytechnic University St. Petersburg Russia Yonsei University IPAP Seoul 120-749 Korea Institute of Physics Academia Sinica T

It has been postulated that partonic orbital angular momentum can lead to a significant double-helicity dependence in the net transverse momentum of Drell-Yan dileptons produced in longitudinally polarized p+p collisions. Analogous effects are also expected for dijet production. If confirmed by experiment, this hypothesis, which is based on semiclassical arguments, could lead to a new approach for studying the contributions of orbital angular momentum to the proton spin. We report the first measurement of the double-helicity dependence of the dijet transverse momentum in longitudinally polarized p+p collisions at s=200 GeV from data taken by the PHENIX experiment in 2005 and 2006. The analysis deduces the transverse momentum of the dijet from the widths of the near- and far-side peaks in the azimuthal correlation of the dihadrons. When averaged over the transverse momentum of the triggered particle, the difference of the root mean square of the dijet transverse momentum between like- and unlike-helicity collisions is found to be −37±88stat±14syst MeV/c.

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J/ψ Production versus Centrality, Transverse Momentum, andRapidity in Au+Au Collisions at sNN=200 GeV

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Physical Review Letters 2007年第23期98卷 232301-232301页

作者： A. Adare S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba H. Al-Bataineh J. Alexander A. Al-Jamel K. Aoki L. Aphecetche R. Armendariz S. H. Aronson J. Asai E. T. Atomssa R. Averbeck T. C. Awes B. Azmoun V. Babintsev G. Baksay L. Baksay A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck S. Bathe S. Batsouli V. Baublis F. Bauer A. Bazilevsky S. Belikov R. Bennett Y. Berdnikov A. A. Bickley M. T. Bjorndal J. G. Boissevain H. Borel K. Boyle M. L. Brooks D. S. Brown D. Bucher H. Buesching V. Bumazhnov G. Bunce J. M. Burward-Hoy S. Butsyk S. Campbell J.-S. Chai B. S. Chang J.-L. Charvet S. Chernichenko J. Chiba C. Y. Chi M. Chiu I. J. Choi T. Chujo P. Chung A. Churyn V. Cianciolo C. R. Cleven Y. Cobigo B. A. Cole M. P. Comets P. Constantin M. Csanád T. Csörgő T. Dahms K. Das G. David M. B. Deaton K. Dehmelt H. Delagrange A. Denisov D. d’Enterria A. Deshpande E. J. Desmond O. Dietzsch A. Dion M. Donadelli J. L. Drachenberg O. Drapier A. Drees A. K. Dubey A. Durum V. Dzhordzhadze Y. V. Efremenko J. Egdemir F. Ellinghaus W. S. Emam A. Enokizono H. En’yo B. Espagnon S. Esumi K. O. Eyser D. E. Fields M. Finger F. Fleuret S. L. Fokin B. Forestier Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley K. Fujiwara Y. Fukao S.-Y. Fung T. Fusayasu S. Gadrat I. Garishvili F. Gastineau M. Germain A. Glenn H. Gong M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp T. Gunji H.-Å. Gustafsson T. Hachiya A. Hadj Henni C. Haegemann J. S. Haggerty M. N. Hagiwara H. Hamagaki R. Han H. Harada E. P. Hartouni K. Haruna M. Harvey E. Haslum K. Hasuko R. Hayano M. Heffner T. K. Hemmick T. Hester J. M. Heuser X. He H. Hiejima J. C. Hill R. Hobbs M. Hohlmann M. Holmes W. Holzmann K. Homma B. Hong T. Horaguchi D. Hornback M. G. Hur T. Ichihara K. Imai M. Inaba Y. Inoue D. Isenhower L. Isenhower M. Ishihara T. Isobe M. Issah A. Isupov B. V. Jacak J. Jia J. Jin O. Jinnouchi B. M. Johnson K. S. Joo D. Jouan F. Kajihara S. Kametani N. Kamihara J. Kamin M. Kaneta J. H. Kang H. Kanou T. Kawagishi D. Kawall A. V. Kazan University of Colorado BoulderColorado 80309 USA Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Columbia University New YorkNew York 10027 USA and NevisLaboratories Irvington New York 10533 USA Chemistry Department Stony Brook UniversityStony Brook SUNY New York 11794-3400 USA RIKEN The Institute of Physical and ChemicalResearch Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven NationalLaboratory Upton New York 11973-5000 USA New Mexico State University LasCruces New Mexico 88003 USA Kyoto University Kyoto 606-8502Japan SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Universitéde Nantes) BP 20722 44307 Nantes France Brookhaven National Laboratory Upton New York 11973-5000 USA Laboratoire Leprince-Ringuet Ecole Polytechnique CNRS-IN2P3Route de Saclay F-91128 Palaiseau France Department of Physics and Astronomy Stony BrookUniversity SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institutefor High Energy Physics Protvino 142281 Russia Florida Institute of Technology Melbourne Florida 32901 USA Dapnia CEA Saclay F-91191 Gif-sur-YvetteFrance University of California–Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico AlbuquerqueNew Mexico 87131 USA PNPI Petersburg Nuclear Physics InstituteGatchina Leningrad region 188300 Russia Iowa State University Ames Iowa50011 USA Saint Petersburg State Polytechnic University St. Petersburg Russia Institut für Kernphysik University ofMuenster D-48149 Muenster Germany KAERI Cyclotron Application LaboratorySeoul South Korea Yonsei University IPAP Seoul120-749 Korea KEK High Energy Accelerator Research OrganizationTsukuba Ibaraki 305-0801 Japan University of Illinois at Urbana-Champaign Urbana Illinois 61801 USA Vanderbilt University NashvilleTennessee 37235 USA Georgia State

The PHENIX experiment at the BNL Relativistic Heavy Ion Collider (RHIC) has measured J/ψ production for rapidities −2.2<y<2.2 in Au+Au collisions at sNN=200 GeV. The J/ψ invariant yield and nuclear modificati... 详细信息

The PHENIX experiment at the BNL Relativistic Heavy Ion Collider (RHIC) has measured J/ψ production for rapidities −2.2

关键词： Charged particles

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Particle-Species Dependent Modification of Jet-Induced Correlations in Au+Au Collisions at sNN=200 GeV

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Physical Review Letters 2008年第8期101卷 082301-082301页

作者： S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba J. Alexander A. Al-Jamel K. Aoki L. Aphecetche R. Armendariz S. H. Aronson R. Averbeck T. C. Awes B. Azmoun V. Babintsev A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck S. Bathe S. Batsouli V. Baublis F. Bauer A. Bazilevsky S. Belikov R. Bennett Y. Berdnikov M. T. Bjorndal J. G. Boissevain H. Borel K. Boyle M. L. Brooks D. S. Brown D. Bucher H. Buesching V. Bumazhnov G. Bunce J. M. Burward-Hoy S. Butsyk S. Campbell J.-S. Chai S. Chernichenko J. Chiba C. Y. Chi M. Chiu I. J. Choi T. Chujo V. Cianciolo C. R. Cleven Y. Cobigo B. A. Cole M. P. Comets P. Constantin M. Csanád T. Csörgő T. Dahms K. Das G. David H. Delagrange A. Denisov D. d’Enterria A. Deshpande E. J. Desmond O. Dietzsch A. Dion J. L. Drachenberg O. Drapier A. Drees A. K. Dubey A. Durum V. Dzhordzhadze Y. V. Efremenko J. Egdemir A. Enokizono H. En’yo B. Espagnon S. Esumi D. E. Fields F. Fleuret S. L. Fokin B. Forestier Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley Y. Fukao S.-Y. Fung S. Gadrat F. Gastineau M. Germain A. Glenn M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp T. Gunji H.-Å. Gustafsson T. Hachiya A. Hadj Henni J. S. Haggerty M. N. Hagiwara H. Hamagaki H. Harada E. P. Hartouni K. Haruna M. Harvey E. Haslum K. Hasuko R. Hayano M. Heffner T. K. Hemmick J. M. Heuser X. He H. Hiejima J. C. Hill R. Hobbs M. Holmes W. Holzmann K. Homma B. Hong T. Horaguchi M. G. Hur T. Ichihara K. Imai M. Inaba D. Isenhower L. Isenhower M. Ishihara T. Isobe M. Issah A. Isupov B. V. Jacak J. Jia J. Jin O. Jinnouchi B. M. Johnson K. S. Joo D. Jouan F. Kajihara S. Kametani N. Kamihara M. Kaneta J. H. Kang T. Kawagishi A. V. Kazantsev S. Kelly A. Khanzadeev D. J. Kim E. Kim Y.-S. Kim E. Kinney A. Kiss E. Kistenev A. Kiyomichi C. Klein-Boesing L. Kochenda V. Kochetkov B. Komkov M. Konno D. Kotchetkov A. Kozlov P. J. Kroon G. J. Kunde N. Kurihara K. Kurita M. J. Kweon Y. Kwon G. S. Kyle R. Lacey J. G. Lajoie A. Lebedev Y. Le Bornec S. Leckey D. M. Lee M. K. Lee M. J. Leit Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Columbia University New York New York 10027 USA and Nevis Laboratories Irvington New York 10533 USA Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA RIKEN The Institute of Physical and Chemical Research Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA New Mexico State University Las Cruces New Mexico 88003 USA Kyoto University Kyoto 606-8502 Japan SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722-44307 Nantes France Brookhaven National Laboratory Upton New York 11973-5000 USA Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California–Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico Albuquerque New Mexico 87131 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad region 188300 Russia Iowa State University Ames Iowa 50011 USA Saint Petersburg State Polytechnic University St. Petersburg Russia Institut für Kernphysik University of Muenster D-48149 Muenster Germany KAERI Cyclotron Application Laboratory Seoul Korea KEK High Energy Accelerator Research Organization Tsukuba Ibaraki 305-0801 Japan Yonsei University IPAP Seoul 120-749 Korea Vanderbilt University Nashville Tennessee 37235 USA Georgia State University Atlanta Georgia 30303 USA IPN-Orsay Universite Paris Sud CNRS-IN2P3 BP1 F-91406 Orsay France ELTE Eötvös Loránd University H-1117 Budapest Pázmány P. s. 1/A Hungary KFKI Research Institute for Particle and Nuclear Physics of the Hungarian Academ

Measurements in Au+Au collisions at sNN=200 GeV of jet correlations for a trigger hadron at intermediate transverse momentum (pT,trig) with associated mesons or baryons at lower pT,assoc indicate strong modification of the away-side jet. The ratio of jet-associated baryons to mesons increases with centrality and pT,assoc. For the most central collisions, the ratio is similar to that for inclusive measurements. This trend is incompatible with in-vacuum fragmentation but could be due to jetlike contributions from correlated soft partons, which recombine upon hadronization.

关键词： Hadrons

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Source Breakup Dynamics in Au+Au Collisions at sNN=200 GeV via Three-Dimensional Two-Pion Source Imaging

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Physical Review Letters 2008年第23期100卷 232301-232301页

作者： S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba J. Alexander A. Al-Jamel K. Aoki L. Aphecetche R. Armendariz S. H. Aronson R. Averbeck T. C. Awes B. Azmoun V. Babintsev A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck S. Bathe S. Batsouli V. Baublis F. Bauer A. Bazilevsky S. Belikov R. Bennett Y. Berdnikov M. T. Bjorndal J. G. Boissevain H. Borel K. Boyle M. L. Brooks D. S. Brown D. Bucher H. Buesching V. Bumazhnov G. Bunce J. M. Burward-Hoy S. Butsyk S. Campbell J.-S. Chai S. Chernichenko J. Chiba C. Y. Chi M. Chiu I. J. Choi T. Chujo P. Chung V. Cianciolo C. R. Cleven Y. Cobigo B. A. Cole M. P. Comets P. Constantin M. Csanád T. Csörgő T. Dahms K. Das G. David H. Delagrange A. Denisov D. d’Enterria A. Deshpande E. J. Desmond O. Dietzsch A. Dion J. L. Drachenberg O. Drapier A. Drees A. K. Dubey A. Durum V. Dzhordzhadze Y. V. Efremenko J. Egdemir A. Enokizono H. En’yo B. Espagnon S. Esumi D. E. Fields F. Fleuret S. L. Fokin B. Forestier Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley Y. Fukao S.-Y. Fung S. Gadrat F. Gastineau M. Germain A. Glenn M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp T. Gunji H.-Å. Gustafsson T. Hachiya A. Hadj Henni J. S. Haggerty M. N. Hagiwara H. Hamagaki H. Harada E. P. Hartouni K. Haruna M. Harvey E. Haslum K. Hasuko R. Hayano M. Heffner T. K. Hemmick J. M. Heuser X. He H. Hiejima J. C. Hill R. Hobbs M. Holmes W. Holzmann K. Homma B. Hong T. Horaguchi M. G. Hur T. Ichihara K. Imai M. Inaba D. Isenhower L. Isenhower M. Ishihara T. Isobe M. Issah A. Isupov B. V. Jacak J. Jia J. Jin O. Jinnouchi B. M. Johnson K. S. Joo D. Jouan F. Kajihara S. Kametani N. Kamihara M. Kaneta J. H. Kang T. Kawagishi A. V. Kazantsev S. Kelly A. Khanzadeev D. J. Kim E. Kim Y.-S. Kim E. Kinney A. Kiss E. Kistenev A. Kiyomichi C. Klein-Boesing L. Kochenda V. Kochetkov B. Komkov M. Konno D. Kotchetkov A. Kozlov P. J. Kroon G. J. Kunde N. Kurihara K. Kurita M. J. Kweon Y. Kwon G. S. Kyle R. Lacey J. G. Lajoie A. Lebedev Y. Le Bornec S. Leckey D. M. Lee M. K. Lee M Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Columbia University New York New York 10027 USA and Nevis Laboratories Irvington New York 10533 USA Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA RIKEN The Institute of Physical and Chemical Research Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA New Mexico State University Las Cruces New Mexico 88003 USA Kyoto University Kyoto 606-8502 Japan SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722 - 44307 Nantes France Brookhaven National Laboratory Upton New York 11973-5000 USA Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California–Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico Albuquerque New Mexico 87131 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad region 188300 Russia Iowa State University Ames Iowa 50011 USA Saint Petersburg State Polytechnic University St. Petersburg Russia Institut für Kernphysik University of Muenster D-48149 Muenster Germany KAERI Cyclotron Application Laboratory Seoul Korea KEK High Energy Accelerator Research Organization Tsukuba Ibaraki 305-0801 Japan Yonsei University IPAP Seoul 120-749 Korea Vanderbilt University Nashville Tennessee 37235 USA Georgia State University Atlanta Georgia 30303 USA IPN-Orsay Universite Paris Sud CNRS-IN2P3 BP1 F-91406 Orsay France ELTE Eötvös Loránd University H - 1117 Budapest Pázmány P. s. 1/A Hungary KFKI Research Institute for Particle and Nuclear Physics of the Hungarian Aca

A three-dimensional correlation function obtained from midrapidity, low pT, pion pairs in central Au+Au collisions at sNN=200 GeV is studied. The extracted model-independent source function indicates a long range tail in the directions of the pion pair transverse momentum (out) and the beam (long). A proper breakup time τ0∼9 fm/c and a mean proper emission duration Δτ∼2 fm/c, leading to sizable emission time differences (⟨|ΔtLCM|⟩≈12 fm/c), are required to allow models to be successfully matched to these tails. The model comparisons also suggest an outside-in “burning” of the emission source reminiscent of many hydrodynamical models.

关键词： Hadrons

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Inclusive cross section and double helicity asymmetry for π0 production in p+p collisions at s=62.4 GeV

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Physical Review D 2009年第1期79卷 012003-012003页

作者： A. Adare S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba H. Al-Bataineh J. Alexander K. Aoki L. Aphecetche J. Asai E. T. Atomssa R. Averbeck T. C. Awes B. Azmoun V. Babintsev M. Bai G. Baksay L. Baksay A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck A. T. Basye S. Bathe S. Batsouli V. Baublis C. Baumann A. Bazilevsky S. Belikov R. Bennett A. Berdnikov Y. Berdnikov A. A. Bickley J. G. Boissevain H. Borel K. Boyle M. L. Brooks H. Buesching V. Bumazhnov G. Bunce S. Butsyk C. M. Camacho S. Campbell P. Chand B. S. Chang W. C. Chang J.-L. Charvet S. Chernichenko C. Y. Chi M. Chiu I. J. Choi R. K. Choudhury T. Chujo P. Chung A. Churyn V. Cianciolo Z. Citron B. A. Cole P. Constantin M. Csanád T. Csörgő T. Dahms S. Dairaku K. Das G. David A. Denisov D. d’Enterria A. Deshpande E. J. Desmond O. Dietzsch A. Dion M. Donadelli O. Drapier A. Drees K. A. Drees A. K. Dubey A. Durum D. Dutta V. Dzhordzhadze Y. V. Efremenko J. Egdemir F. Ellinghaus T. Engelmore A. Enokizono H. En’yo S. Esumi K. O. Eyser B. Fadem D. E. Fields M. Finger M. Finger, Jr. F. Fleuret S. L. Fokin Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley K. Fujiwara Y. Fukao T. Fusayasu I. Garishvili A. Glenn H. Gong M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp T. Gunji H.-Å. Gustafsson A. Hadj Henni J. S. Haggerty H. Hamagaki R. Han E. P. Hartouni K. Haruna E. Haslum R. Hayano M. Heffner T. K. Hemmick T. Hester X. He J. C. Hill M. Hohlmann W. Holzmann K. Homma B. Hong T. Horaguchi D. Hornback S. Huang T. Ichihara R. Ichimiya Y. Ikeda K. Imai J. Imrek M. Inaba D. Isenhower M. Ishihara T. Isobe M. Issah A. Isupov D. Ivanischev B. V. Jacak J. Jia J. Jin B. M. Johnson K. S. Joo D. Jouan F. Kajihara S. Kametani N. Kamihara J. Kamin J. H. Kang J. Kapustinsky D. Kawall A. V. Kazantsev T. Kempel A. Khanzadeev K. M. Kijima J. Kikuchi B. I. Kim D. H. Kim D. J. Kim E. Kim S. H. Kim E. Kinney K. Kiriluk A. Kiss E. Kistenev J. Klay C. Klein-Boesing L. Kochenda V. Kochetkov B. Komkov M. Konno J. Koster A. Kozlov A. Král A. Krav University of Colorado Boulder Colorado 80309 USA Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Department of Physics University of Massachusetts Amherst Massachusetts 01003-9337 USA Chemistry Department Stony Brook University Stony Brook SUNY New York 11794-3400 USA RIKEN The Institute of Physical and Chemical Research Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA New Mexico State University Las Cruces New Mexico 88003 USA Kyoto University Kyoto 606-8502 Japan SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722 - 44307 Nantes France Laboratoire Leprince-Ringuet Ecole Polytechnique CNRS-IN2P3 Route de Saclay F-91128 Palaiseau France Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Physics Department Brookhaven National Laboratory Upton New York 11973-5000 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Collider-Accelerator Department Brookhaven National Laboratory Upton New York 11973-5000 USA Florida Institute of Technology Melbourne Florida 32901 USA Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California - Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico Albuquerque New Mexico 87131 USA Abilene Christian University Abilene Texas 79699 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad region 188300 Russia Institut für Kernphysik University of Muenster D-48149 Muenster Germany Saint Petersburg State Polytechnic University St. Petersburg Russia Bhabha Atomic Research Centre Bombay 400 085 India Yonsei University IPAP Seoul 120-749 Korea Institute of Physics Academia Sinica Taipei 11529 Taiwan Columbia University New

The PHENIX experiment presents results from the RHIC 2006 run with polarized p+p collisions at s=62.4 GeV, for inclusive π0 production at midrapidity. Unpolarized cross section results are measured for transverse momenta pT=0.5 to 7 GeV/c. Next-to-leading order perturbative quantum chromodynamics calculations are compared with the data, and while the calculations are consistent with the measurements, next-to-leading logarithmic corrections improve the agreement. Double helicity asymmetries ALL are presented for pT=1 to 4 GeV/c and probe the higher range of Bjorken x of the gluon (xg) with better statistical precision than our previous measurements at s=200 GeV. These measurements are sensitive to the gluon polarization in the proton for 0.06

关键词： Inclusive cross section double helicity asymmetry π0 production Helicity Collisions gluons DOUBLE quantum chromodynamics Cross section peak-to-peak

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Elliptic Flow for ϕ Mesons and (Anti)deuterons in Au+Au Collisions at sNN=200 GeV

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Physical Review Letters 2007年第5期99卷 052301-052301页

作者： S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba J. Alexander A. Al-Jamel K. Aoki L. Aphecetche R. Armendariz S. H. Aronson R. Averbeck T. C. Awes B. Azmoun V. Babintsev A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck S. Bathe S. Batsouli V. Baublis F. Bauer A. Bazilevsky S. Belikov R. Bennett Y. Berdnikov M. T. Bjorndal J. G. Boissevain H. Borel K. Boyle M. L. Brooks D. S. Brown D. Bucher H. Buesching V. Bumazhnov G. Bunce J. M. Burward-Hoy S. Butsyk S. Campbell J.-S. Chai S. Chernichenko J. Chiba C. Y. Chi M. Chiu I. J. Choi T. Chujo V. Cianciolo C. R. Cleven Y. Cobigo B. A. Cole M. P. Comets P. Constantin M. Csanád T. Csörgő T. Dahms K. Das G. David H. Delagrange A. Denisov D. d’Enterria A. Deshpande E. J. Desmond O. Dietzsch A. Dion J. L. Drachenberg O. Drapier A. Drees A. K. Dubey A. Durum V. Dzhordzhadze Y. V. Efremenko J. Egdemir A. Enokizono H. En’yo B. Espagnon S. Esumi D. E. Fields F. Fleuret S. L. Fokin B. Forestier Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley Y. Fukao S.-Y. Fung S. Gadrat F. Gastineau M. Germain A. Glenn M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp T. Gunji H.-Å. Gustafsson T. Hachiya A. Hadj Henni J. S. Haggerty M. N. Hagiwara H. Hamagaki H. Harada E. P. Hartouni K. Haruna M. Harvey E. Haslum K. Hasuko R. Hayano M. Heffner T. K. Hemmick J. M. Heuser X. He H. Hiejima J. C. Hill R. Hobbs M. Holmes W. Holzmann K. Homma B. Hong T. Horaguchi M. G. Hur T. Ichihara K. Imai M. Inaba D. Isenhower L. Isenhower M. Ishihara T. Isobe M. Issah A. Isupov B. V. Jacak J. Jia J. Jin O. Jinnouchi B. M. Johnson K. S. Joo D. Jouan F. Kajihara S. Kametani N. Kamihara M. Kaneta J. H. Kang T. Kawagishi A. V. Kazantsev S. Kelly A. Khanzadeev D. J. Kim E. Kim Y.-S. Kim E. Kinney A. Kiss E. Kistenev A. Kiyomichi C. Klein-Boesing L. Kochenda V. Kochetkov B. Komkov M. Konno D. Kotchetkov A. Kozlov P. J. Kroon G. J. Kunde N. Kurihara K. Kurita M. J. Kweon Y. Kwon G. S. Kyle R. Lacey J. G. Lajoie A. Lebedev Y. Le Bornec S. Leckey D. M. Lee M. K. Lee M. J. Leit Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Columbia University New York New York 10027 USA and Nevis Laboratories Irvington New York 10533 USA Chemistry Department Stony Brook University Stony Brook SUNY New York 11794-3400 USA RIKEN The Institute of Physical and Chemical Research Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA New Mexico State University Las Cruces New Mexico 88003 USA Kyoto University Kyoto 606-8502 Japan SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722-44307 Nantes France Brookhaven National Laboratory Upton New York 11973-5000 USA Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California-Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico Albuquerque New Mexico 87131 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad region 188300 Russia Iowa State University Ames Iowa 50011 USA Saint Petersburg State Polytechnic University St. Petersburg Russia Institut für Kernphysik University of Muenster D-48149 Muenster Germany KAERI Cyclotron Application Laboratory Seoul South Korea KEK High Energy Accelerator Research Organization Tsukuba Ibaraki 305-0801 Japan Yonsei University IPAP Seoul 120-749 Korea Vanderbilt University Nashville Tennessee 37235 USA Georgia State University Atlanta Georgia 30303 USA IPN-Orsay Universite Paris Sud CNRS-IN2P3 BP1 F-91406 Orsay France ELTE Eötvös Loránd University H-1117 Budapest Pázmány P. s. 1/A Hungary KFKI Research Institute for Particle and Nuclear Physics of the Hungarian A

Differential elliptic flow (v2) for ϕ mesons and (anti)deuterons (d¯)d is measured for Au+Au collisions at sNN=200 GeV. The v2 for ϕ mesons follows the trend of lighter π± and K± mesons, suggesting that ordinary hadrons interacting with standard hadronic cross sections are not the primary driver for elliptic flow development. The v2 values for (d¯)d suggest that elliptic flow is additive for composite particles. This further validation of the universal scaling of v2 per constituent quark for baryons and mesons suggests that partonic collectivity dominates the transverse expansion dynamics.

关键词： High energy physics

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