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High-pT charged hadron suppression in Au+Au collisions at sNN=200GeV

Physical Review C 2004年第3期69卷 034910-034910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 V. Cianciolo Y. Cobigo B. A. Cole P. Constantin D. G. d’Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond 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 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. Maguire Y. I. Makdisi A. Malakhov V. I. Manko Y. 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-shi Ibaraki-ken 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) Boîte Postale 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 Institute for High Energy Physics (IHEP) Protvino 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 fuer Kernphysik University of Muenster D-48149 Muenster Germany Columbia University New York New York 10027 and Nevis Laboratories Irvington New York 10533 USA PNPI Petersburg Nuclear Physics Institute Gatchina Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Iowa State University Ames Iowa 50011 USA St. Petersburg State Technical 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 University Kangnung 210-702 South Korea Universidade de São Paulo Instituto d

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured charged hadron yields at midrapidity over a wide range of transverse momenta (0.5<pT<10GeV∕c) in Au+Au collisions at sNN=200GeV. The dat...

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured charged hadron yields at midrapidity over a wide range of transverse momenta (0.5

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Identified charged particle spectra and yields in Au+Au collisions at sNN=200GeV

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Physical Review C 2004年第3期69卷 034909-034909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 V. Cianciolo Y. Cobigo B. A. Cole P. Constantin D. G. d’Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond 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 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. Maguire Y. I. Makdisi A. Malakhov V. I. Manko Y. 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-shi Ibaraki-ken 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 Institute for High Energy Physics (IHEP) Protvino 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 fuer 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 Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Iowa State University Ames Iowa 50011 USA St. Petersburg State Technical 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 University Kangnung 210-702 South Korea Universidade de São Paulo Instituto de Físi

The centrality dependence of transverse momentum distributions and yields for π±,K±,p, and p¯ in Au+Au collisions at sNN=200GeV at midrapidity are measured by the PHENIX experiment at the Relativistic Heavy Ion Collider. We observe a clear particle mass dependence of the shapes of transverse momentum spectra in central collisions below ∼2GeV∕c in pT. Both mean transverse momenta and particle yields per participant pair increase from peripheral to midcentral and saturate at the most central collisions for all particle species. We also measure particle ratios of π−∕π+, K−∕K+, p¯∕p, K∕π, p∕π, and p¯∕π as a function of pT and collision centrality. The ratios of equal mass particle yields are independent of pT and centrality within the experimental uncertainties. In central collisions at intermediate transverse momenta ∼1.5–4.5GeV∕c, proton and antiproton yields constitute a significant fraction of the charged hadron production and show a scaling behavior different from that of pions.

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Midrapidity Neutral-Pion Production in Proton-Proton Collisions at s=200 GeV

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Physical Review Letters 2003年第24期91卷 241803-241803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 V. Cianciolo Y. Cobigo B. A. Cole P. Constantin D. G. d’Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond O. Dietzsch O. Drapier A. Drees K. 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 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. Maguire Y. I. Makdisi A. Malakhov V. I. 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-shi Ibaraki-ken 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 Institute for High Energy Physics (IHEP) Protvino 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 China Institute of Atomic Energy (CIAE) Beijing Peopleś Republic of China RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Iowa State University Ames Iowa 50011 USA St. Petersburg State Technical 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 University Kangnung 210-702 South Korea Universidade de São Paulo

The invariant differential cross section for inclusive neutral-pion production in p+p collisions at s=200 GeV has been measured at midrapidity (|η|<0.35) over the range 1<pT≲14 GeV/c by the PHENIX experiment... 详细信息

The invariant differential cross section for inclusive neutral-pion production in p+p collisions at s=200 GeV has been measured at midrapidity (|η|<0.35) over the range 1

关键词： Elementary particles

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Suppressed π0 Production at Large Transverse Momentum in Central Au+Au Collisions at sNN=200 GeV

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Physical Review Letters 2003年第7期91卷 072301-072301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 V. Cianciolo Y. Cobigo B. A. Cole P. Constantin D. G. d’Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond O. Dietzsch O. Drapier A. Drees K. 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 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 L. 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. Maguire Y. I. Makdisi A. Malakhov V. I. 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-shi Ibaraki-ken 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 Institute for High Energy Physics (IHEP) Protvino 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 fuer 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 Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 Iowa State University Ames Iowa 50011 USA St. Petersburg State Technical 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 University Kangnung 210-702 South Korea Universidade de São Paulo Instituto de Física

Transverse momentum spectra of neutral pions in the range 1<pT<10 GeV/c have been measured at midrapidity by the PHENIX experiment at BNL RHIC in Au+Au collisions at sNN=200 GeV. The π0 multiplicity in centra... 详细信息

Transverse momentum spectra of neutral pions in the range 1

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Elliptic Flow of Identified Hadrons in Au+Au Collisions at sNN=200 GeV

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Physical Review Letters 2003年第18期91卷 182301-182301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 V. Cianciolo Y. Cobigo B. A. Cole P. Constantin D. G. d’Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond 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 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 L. 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. Maguire Y. I. Makdisi A. Malakhov V. I. Manko Y. 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-shi Ibaraki-ken 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 Institute for High Energy Physics (IHEP) Protvino Russia Dapnia CEA Saclay Bâtiment 703 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 NY 10027 and Nevis Laboratories Irvington New York 10533 USA PNPI Petersburg Nuclear Physics Institute Gatchina Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Iowa State University Ames Iowa 50011 USA St. Petersburg State Technical 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 University Kangnung 210-702 South Korea Universidade de São Paulo Instituto de

The anisotropy parameter (v2), the second harmonic of the azimuthal particle distribution, has been measured with the PHENIX detector in Au+Au collisions at sNN=200 GeV for identified and inclusive charged particle production at central rapidities (|η|<0.35) with respect to the reaction plane defined at high rapidities (|η|=3–4 ). We observe that the v2 of mesons falls below that of (anti)baryons for pT>2 GeV/c, in marked contrast to the predictions of a hydrodynamical model. A quark-coalescence model is also investigated.

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Magnetocrystalline anisotropy enhancement via epitaxial growth of Ni/Co/Cu thin films on MgO (001) and (111) substrates

Magnetocrystalline anisotropy enhancement via epitaxial grow...

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2002 IEEE International Magnetics Conference-2002 IEEE INTERMAG

作者： Stoica, Vladimir Alexandru Lukaszew, Rosa Alejandra Cionca, Codrin Clarke, Roy Applied Physics Program University of Michigan 500 E University Ann Arbor MI 48109 United States Department of Physics and Astronomy University of Toledo Toledo OH United States

ISBN: (纸本)0780373650

The epitaxial growth of Ni/Co/Cu thin films on MgO (001) and (111) substrates was studied. The samples with larger Co thickness were found to had a more abundant relaxed-lattice content of Co, enhancing the magnetocrystalline anisotropy contribution. The uniaxial magnetic anisotropy in the thinner samples was reduced as the thickness increased.

关键词： Magnetic thin films

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Absence of Suppression in Particle Production at Large Transverse Momentum in sNN=200 GeV d+Au Collisions

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Physical Review Letters 2003年第7期91卷 072303-072303页

作者： S. S. Adler S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba A. Al-Jamel J. Alexander K. Aoki L. Aphecetche R. Armendariz S. H. Aronson R. Averbeck T. C. Awes V. Babintsev A. Baldisseri K. N. Barish P. D. Barnes B. Bassalleck S. Bathe S. Batsouli V. Baublis F. Bauer A. Bazilevsky S. Belikov M. T. Bjorndal J. G. Boissevain H. Borel M. L. Brooks D. S. Brown N. Bruner D. Bucher H. Buesching V. Bumazhnov G. Bunce J. M. Burward-Hoy S. Butsyk X. Camard P. Chand W. C. Chang S. Chernichenko C. Y. Chi J. Chiba M. Chiu I. J. Choi R. K. Choudhury T. Chujo V. Cianciolo Y. Cobigo B. A. Cole M. P. Comets P. Constantin M. Csanád T. Csörgő J. P. Cussonneau D. d’Enterria K. Das G. David F. Deák H. Delagrange A. Denisov A. Deshpande E. J. Desmond A. Devismes O. Dietzsch J. L. Drachenberg O. Drapier A. Drees A. Durum D. Dutta V. Dzhordzhadze Y. V. Efremenko H. En’yo B. Espagnon S. Esumi D. E. Fields C. Finck F. Fleuret S. L. Fokin B. D. Fox Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley Y. Fukao S.-Y. Fung S. Gadrat M. Germain A. Glenn M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp H.-Å. Gustafsson T. Hachiya J. S. Haggerty H. Hamagaki A. G. Hansen E. P. Hartouni M. Harvey K. Hasuko R. Hayano X. He M. Heffner T. K. Hemmick J. M. Heuser P. Hidas H. Hiejima J. C. Hill R. Hobbs W. Holzmann K. Homma B. Hong A. Hoover T. Horaguchi T. Ichihara V. V. Ikonnikov K. Imai M. Inuzuka D. Isenhower L. Isenhower M. Issah A. Isupov B. V. Jacak J. Jia O. Jinnouchi B. M. Johnson S. C. Johnson K. S. Joo D. Jouan F. Kajihara S. Kametani N. Kamihara M. Kaneta J. H. Kang K. Katou T. Kawabata A. Kazantsev S. Kelly B. Khachaturov A. Khanzadeev J. Kikuchi D. J. Kim E. Kim G.-B. Kim H. J. Kim E. Kinney A. Kiss E. Kistenev A. Kiyomichi C. Klein-Boesing H. Kobayashi V. Kochetkov R. Kohara B. Komkov M. Konno D. Kotchetkov A. Kozlov P. J. Kroon C. H. Kuberg G. J. Kunde K. Kurita M. J. Kweon Y. Kwon G. S. Kyle R. Lacey J. G. Lajoie Y. Le Bornec A. Lebedev S. Leckey D. M. Lee M. J. Leitch M. A. L. Leite X. Li X. H. Li Brookhaven National Laboratory Upton New York 11973-5000 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 Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA KEK High Energy Accelerator Research Organization Tsukuba-shi Ibaraki-ken 305-0801 Japan RIKEN (The Institute of Physical and Chemical Research) Wako Saitama 351-0198 Japan New Mexico State University Las Cruces New Mexico 88003 USA Kyoto University Kyoto 606 Japan 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 Institute for High Energy Physics (IHEP) Protvino 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 USA Institut fuer Kernphysik University of Muenster D-48149 Muenster Germany PNPI Petersburg Nuclear Physics Institute Gatchina Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Iowa State University Ames Iowa 50011 USA Lawrence Livermore National Laboratory Livermore California 94550 USA Bhabha Atomic Research Centre Bombay 400 085 India Institute of Physics Academia Sinica Taipei 11529 Taiwan Yonsei University IPAP Seoul 120-749 Korea 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 (RMKI) H-1525 Budapest 114 P.O. Box 49 Hungary Florida State University Tallahassee Florida 32306 USA Universidade de São Paulo Instituto de Física Ca

Transverse momentum spectra of charged hadrons with pT<8 GeV/c and neutral pions with pT<10 GeV/c have been measured at midrapidity by the PHENIX experiment at BNL RHIC in d+Au collisions at sNN=200 GeV. The measured yields are compared to those in p+p collisions at the same sNN scaled up by the number of underlying nucleon-nucleon collisions in d+Au. The yield ratio does not show the suppression observed in central Au+Au collisions at RHIC. Instead, there is a small enhancement in the yield of high momentum particles.

关键词： High energy physics

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Net Charge Fluctuations in Au+Au Interactions at sNN=130 GeV

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Physical Review Letters 2002年第8期89卷 082301-082301页

作者： K. Adcox S. S. Adler N. N. Ajitanand Y. Akiba J. Alexander L. Aphecetche Y. Arai S. H. Aronson R. Averbeck T. C. Awes K. N. Barish P. D. Barnes J. Barrette B. Bassalleck S. Bathe V. Baublis A. Bazilevsky S. Belikov F. G. Bellaiche S. T. Belyaev M. J. Bennett Y. Berdnikov S. Botelho M. L. Brooks D. S. Brown N. Bruner D. Bucher H. Buesching V. Bumazhnov G. Bunce J. Burward-Hoy S. Butsyk T. A. Carey P. Chand J. Chang W. C. Chang L. L. Chavez S. Chernichenko C. Y. Chi J. Chiba M. Chiu R. K. Choudhury T. Christ T. Chujo M. S. Chung P. Chung V. Cianciolo B. A. Cole D. G. D’Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond O. Dietzsch B. V. Dinesh A. Drees A. Durum D. Dutta K. Ebisu Y. V. Efremenko K. El Chenawi H. En’yo S. Esumi L. Ewell T. Ferdousi D. E. Fields S. L. Fokin Z. Fraenkel A. Franz A. D. Frawley S.-Y. Fung S. Garpman T. K. Ghosh A. Glenn A. L. Godoi Y. Goto S. V. Greene M. Grosse Perdekamp S. K. Gupta W. Guryn H.-Å Gustafsson J. S. Haggerty H. Hamagaki A. G. Hansen H. Hara E. P. Hartouni R. Hayano N. Hayashi X. He T. K. Hemmick J. M. Heuser M. Hibino J. C. Hill D. S. Ho K. Homma B. Hong A. Hoover T. Ichihara K. Imai M. S. Ippolitov M. Ishihara B. V. Jacak W. Y. Jang J. Jia B. M. Johnson S. C. Johnson K. S. Joo S. Kametani J. H. Kang M. Kann S. S. Kapoor S. Kelly B. Khachaturov A. Khanzadeev J. Kikuchi D. J. Kim H. J. Kim S. Y. Kim Y. G. Kim W. W. Kinnison E. Kistenev A. Kiyomichi C. Klein-Boesing S. Klinksiek L. Kochenda V. Kochetkov D. Koehler T. Kohama D. Kotchetkov A. Kozlov P. J. Kroon K. Kurita M. J. Kweon Y. Kwon G. S. Kyle R. Lacey J. G. Lajoie J. Lauret A. Lebedev D. M. Lee M. J. Leitch X. H. Li Z. Li D. J. Lim M. X. Liu X. Liu Z. Liu C. F. Maguire J. Mahon Y. I. Makdisi V. I. Manko Y. Mao S. K. Mark S. Markacs G. Martinez M. D. Marx A. Masaike F. Matathias T. Matsumoto P. L. McGaughey E. Melnikov M. Merschmeyer F. Messer M. Messer Y. Miake T. E. Miller A. Milov S. Mioduszewski R. E. Mischke G. C. Mishra J. T. Mitchell A. K. Mohanty D. P. Morrison J. M. Moss F. Mühlbacher M. Mun Vanderbilt University Nashville Tennessee 37235 Brookhaven National Laboratory Upton New York 11973-5000 Chemistry Department State University of New York–Stony Brook Stony Brook New York 11794 KEK High Energy Accelerator Research Organization Tsukuba-shi Ibaraki-ken 305-0801 Japan SUBATECH (Ecole des Mines de Nantes IN2P3/CNRS Universite de Nantes) BP 20722-44307 Nantes-cedex 3 France Department of Physics and Astronomy State University of New York–Stony Brook Stony Brook New York 11794 Oak Ridge National Laboratory Oak Ridge Tennessee 37831 University of California–Riverside Riverside California 92521 Los Alamos National Laboratory Los Alamos New Mexico 87545 McGill University Montreal Quebec H3A 2T8 Canada University of New Mexico Albuquerque New Mexico 87131 Institut für Kernphysik University of Münster D-48149 Münster Germany PNPI Petersburg Nuclear Physics Institute Gatchina Russia Institute for High Energy Physics (IHEP) Protvino Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 Iowa State University Ames Iowa 50011 Russian Research Center “Kurchatov Institute ” Moscow Russia St. Petersburg State Technical University St. Petersburg Russia Universidade de São Paulo Instituto de Física Caixa Postal 66318 São Paulo CEP05315-970 Brazil New Mexico State University Las Cruces New Mexico 88003 Bhabha Atomic Research Centre Bombay 400 085 India Institute of Physics Academia Sinica Taipei 11529 Taiwan Columbia University New York New York 10027 and Nevis Laboratories Irvington New York 10533 Institute of Physics University of Tsukuba Tsukuba Ibaraki 305 Japan Korea University Seoul 136-701 Korea Nagasaki Institute of Applied Science Nagasaki-shi Nagasaki 851-0193 Japan Kyoto University Kyoto 606 Japan RIKEN (The Institute of Physical and Chemical Research) Wako Saitama 351-0198 Japan Weizmann Institute Rehovot 76100 Israel Florida State University Tallahassee Florida 32306 Department of Physics Lund

Data from Au+ Au interactions at sNN=130 GeV, obtained with the PHENIX detector at the Relativistic Heavy-Ion Collider, are used to investigate local net charge fluctuations among particles produced near midrapidity. According to recent suggestions, such fluctuations may carry information from the quark-gluon plasma. This analysis shows that the fluctuations are dominated by a stochastic distribution of particles, but are also sensitive to other effects, like global charge conservation and resonance decays.

关键词： Nuclear physics

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Measurement of Λ and Λ¯ Particles in Au+Au Collisions at sNN=130 GeV

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Physical Review Letters 2002年第9期89卷 092302-092302页

作者： K. Adcox S. S. Adler N. N. Ajitanand Y. Akiba J. Alexander L. Aphecetche Y. Arai S. H. Aronson R. Averbeck T. C. Awes K. N. Barish P. D. Barnes J. Barrette B. Bassalleck S. Bathe V. Baublis A. Bazilevsky S. Belikov F. G. Bellaiche S. T. Belyaev M. J. Bennett Y. Berdnikov S. Botelho M. L. Brooks D. S. Brown N. Bruner D. Bucher H. Buesching V. Bumazhnov G. Bunce J. Burward-Hoy S. Butsyk T. A. Carey P. Chand J. Chang W. C. Chang L. L. Chavez S. Chernichenko C. Y. Chi J. Chiba M. Chiu R. K. Choudhury T. Christ T. Chujo M. S. Chung P. Chung V. Cianciolo B. A. Cole D. G. D’Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond O. Dietzsch B. V. Dinesh A. Drees A. Durum D. Dutta K. Ebisu Y. V. Efremenko K. El Chenawi H. En’yo S. Esumi L. Ewell T. Ferdousi D. E. Fields S. L. Fokin Z. Fraenkel A. Franz A. D. Frawley S. -Y. Fung S. Garpman T. K. Ghosh A. Glenn A. L. Godoi Y. Goto S. V. Greene M. Grosse Perdekamp S. K. Gupta W. Guryn H. -Å. Gustafsson J. S. Haggerty H. Hamagaki A. G. Hansen H. Hara E. P. Hartouni R. Hayano N. Hayashi X. He T. K. Hemmick J. M. Heuser M. Hibino J. C. Hill D. S. Ho K. Homma B. Hong A. Hoover T. Ichihara K. Imai M. S. Ippolitov M. Ishihara B. V. Jacak W. Y. Jang J. Jia B. M. Johnson S. C. Johnson K. S. Joo S. Kametani J. H. Kang M. Kann S. S. Kapoor S. Kelly B. Khachaturov A. Khanzadeev J. Kikuchi D. J. Kim H. J. Kim S. Y. Kim Y. G. Kim W. W. Kinnison E. Kistenev A. Kiyomichi C. Klein-Boesing S. Klinksiek L. Kochenda V. Kochetkov D. Koehler T. Kohama D. Kotchetkov A. Kozlov P. J. Kroon K. Kurita M. J. Kweon Y. Kwon G. S. Kyle R. Lacey J. G. Lajoie J. Lauret A. Lebedev D. M. Lee M. J. Leitch X. H. Li Z. Li D. J. Lim M. X. Liu X. Liu Z. Liu C. F. Maguire J. Mahon Y. I. Makdisi V. I. Manko Y. Mao S. K. Mark S. Markacs G. Martinez M. D. Marx A. Masaike F. Matathias T. Matsumoto P. L. McGaughey E. Melnikov M. Merschmeyer F. Messer M. Messer Y. Miake T. E. Miller A. Milov S. Mioduszewski R. E. Mischke G. C. Mishra J. T. Mitchell A. K. Mohanty D. P. Morrison J. M. Moss F. Mühlbacher D. Vanderbilt University Nashville Tennessee 37235 Brookhaven National Laboratory Upton New York 11973-5000 Chemistry Department State University of New York–Stony Brook Stony Brook New York 11794 KEK High Energy Accelerator Research Organization Tsukuba-shi Ibaraki-ken 305-0801 Japan SUBATECH (Ecole des Mines de Nantes IN2P3/CNRS Universite de Nantes) BP 20722-44307 Nantes Cedex 3 France Department of Physics and Astronomy State University of New York–Stony Brook Stony Brook New York 11794 Oak Ridge National Laboratory Oak Ridge Tennessee 37831 University of California–Riverside Riverside California 92521 Los Alamos National Laboratory Los Alamos New Mexico 87545 McGill University Montreal Quebec H3A 2T8 Canada University of New Mexico Albuquerque New Mexico 87131 Institut für Kernphysik University of Münster D-48149 Münster Germany PNPI Petersburg Nuclear Physics Institute Gatchina Russia Institute for High Energy Physics (IHEP) Protvino Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 Iowa State University Ames Iowa 50011 Russian Research Center “Kurchatov Institute ” Moscow Russia St. Petersburg State Technical University St. Petersburg Russia Universidade de São Paulo Instituto de Física Caixa Postal 66318 São Paulo CEP05315-970 Brazil New Mexico State University Las Cruces New Mexico 88003 Bhabha Atomic Research Centre Bombay 400 085 India Institute of Physics Academia Sinica Taipei 11529 Taiwan Columbia University New York New York 10027 and Nevis Laboratories Irvington New York 10533 Institute of Physics University of Tsukuba Tsukuba Ibaraki 305 Japan Korea University Seoul 136-701 Korea Nagasaki Institute of Applied Science Nagasaki-shi Nagasaki 851-0193 Japan Kyoto University Kyoto 606 Japan RIKEN (The Institute of Physical and Chemical Research) Wako Saitama 351-0198 Japan Weizmann Institute Rehovot 76100 Israel Florida State University Tallahassee Florida 32306 Department of Physics L

We present results on the measurement of Λ and Λ¯ production in Au+Au collisions at sNN=130 GeV with the PHENIX detector at the Relativistic Heavy Ion Collider. The transverse momentum spectra were measured for minimum bias and for the 5% most central events. The Λ¯/Λ ratios are constant as a function of pT and the number of participants. The measured net Λ density is significantly larger than predicted by models based on hadronic strings (e.g., HIJING) but in approximate agreement with models which include the gluon-junction mechanism.

关键词： High energy physics

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Transverse-Mass Dependence of Two-Pion Correlations in Au+Au Collisions at sNN=130GeV

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Physical Review Letters 2002年第19期88卷 192302-192302页

作者： K. Adcox S. S. Adler N. N. Ajitanand Y. Akiba J. Alexander L. Aphecetche Y. Arai S. H. Aronson R. Averbeck T. C. Awes K. N. Barish P. D. Barnes J. Barrette B. Bassalleck S. Bathe V. Baublis A. Bazilevsky S. Belikov F. G. Bellaiche S. T. Belyaev M. J. Bennett Y. Berdnikov S. Botelho M. L. Brooks D. S. Brown N. Bruner D. Bucher H. Buesching V. Bumazhnov G. Bunce J. Burward-Hoy S. Butsyk T. A. Carey P. Chand J. Chang W. C. Chang L. L. Chavez S. Chernichenko C. Y. Chi J. Chiba M. Chiu R. K. Choudhury T. Christ T. Chujo M. S. Chung P. Chung V. Cianciolo B. A. Cole D. G. D'Enterria G. David H. Delagrange A. Denisov A. Deshpande E. J. Desmond O. Dietzsch B. V. Dinesh A. Drees A. Durum D. Dutta K. Ebisu Y. V. Efremenko K. El Chenawi A. Enokizono H. En'yo S. Esumi L. Ewell T. Ferdousi D. E. Fields S. L. Fokin Z. Fraenkel A. Franz A. D. Frawley S.-Y. Fung S. Garpman T. K. Ghosh A. Glenn A. L. Godoi Y. Goto S. V. Greene M. Grosse Perdekamp S. K. Gupta W. Guryn H.-Å Gustafsson J. S. Haggerty H. Hamagaki A. G. Hansen H. Hara E. P. Hartouni R. Hayano N. Hayashi X. He T. K. Hemmick J. M. Heuser M. Hibino J. C. Hill D. S. Ho K. Homma B. Hong A. Hoover T. Ichihara K. Imai M. S. Ippolitov M. Ishihara B. V. Jacak W. Y. Jang J. Jia B. M. Johnson S. C. Johnson K. S. Joo S. Kametani J. H. Kang M. Kann S. S. Kapoor S. Kelly B. Khachaturov A. Khanzadeev J. Kikuchi D. J. Kim H. J. Kim S. Y. Kim Y. G. Kim W. W. Kinnison E. Kistenev A. Kiyomichi C. Klein-Boesing S. Klinksiek L. Kochenda V. Kochetkov D. Koehler T. Kohama D. Kotchetkov A. Kozlov P. J. Kroon K. Kurita M. J. Kweon Y. Kwon G. S. Kyle R. Lacey J. G. Lajoie J. Lauret A. Lebedev D. M. Lee M. J. Leitch X. H. Li Z. Li D. J. Lim M. X. Liu X. Liu Z. Liu C. F. Maguire J. Mahon Y. I. Makdisi V. I. Manko Y. Mao S. K. Mark S. Markacs G. Martinez M. D. Marx A. Masaike F. Matathias T. Matsumoto P. L. McGaughey E. Melnikov M. Merschmeyer F. Messer M. Messer Y. Miake T. E. Miller A. Milov S. Mioduszewski R. E. Mischke G. C. Mishra J. T. Mitchell A. K. Mohanty D. P. Morrison J. M. Moss F. Mühl Vanderbilt University Nashville Tennessee 37235 Brookhaven National Laboratory Upton New York 11973-5000 Chemistry Department State University of New York–Stony Brook Stony Brook New York 11794 KEK High Energy Accelerator Research Organization Tsukuba-shi Ibaraki-ken 305-0801 Japan SUBATECH (Ecole des Mines de Nantes IN2P3/CNRS Universite de Nantes) BP 20722-44307 Nantes-Cedex 3 France Department of Physics and Astronomy State University of New York–Stony Brook Stony Brook New York 11794 Oak Ridge National Laboratory Oak Ridge Tennessee 37831 University of California–Riverside Riverside California 92521 Los Alamos National Laboratory Los Alamos New Mexico 87545 McGill University Montreal Quebec Canada H3A 2T8 University of New Mexico Albuquerque New Mexico 87131 Institut für Kernphysik University of Münster D-48149 Münster Germany PNPI Petersburg Nuclear Physics Institute Gatchina Russia Institute for High Energy Physics (IHEP) Protvino Russia RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 Iowa State University Ames Iowa 50011 Russian Research Center “Kurchatov Institute ” Moscow Russia St. Petersburg State Technical University St. Petersburg Russia Universidade de São Paulo Instituto de Física Caixa Postal 66318 São Paulo CEP05315-970 Brazil New Mexico State University Las Cruces New Mexico 88003 Bhabha Atomic Research Centre Bombay 400 085 India Institute of Physics Academia Sinica Taipei 11529 Taiwan Columbia University New York New York 10027 and Nevis Laboratories Irvington New York 10533 Institute of Physics University of Tsukuba Tsukuba Ibaraki 305 Japan Korea University Seoul 136-701 Korea Nagasaki Institute of Applied Science Nagasaki-shi Nagasaki 851-0193 Japan Hiroshima University Kagamiyama Higashi-Hiroshima 739-8526 Japan Kyoto University Kyoto 606 Japan RIKEN (The Institute of Physical and Chemical Research) Wako Saitama 351-0198 Japan Weizmann Institute Rehovot 76100 Israel Florida

Two-pion correlations in sNN=130GeV Au+Au collisions at RHIC have been measured over a broad range of pair transverse momentum kT by the PHENIX experiment at RHIC. The kT dependent transverse radii are similar to results from heavy-ion collisions at sNN=4.1, 4.9, and 17.3 GeV, whereas the longitudinal radius increases monotonically with beam energy. The ratio of the outwards to sidewards transverse radii (Rout/Rside) is consistent with unity and independent of kT.

关键词： Elementary particles

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