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arXiv 2018年

作者： Viero, M.P. Reichardt, C.L. Benson, B.A. Bleem, L.E. Bock, J. Carlstrom, J.E. Chang, C.L. Cho, H.-M. Crawford, T.M. Crites, A.T. de Haan, T. Dobbs, M.A. Everett, W.B. George, E.M. Halverson, N.W. Harrington, N.L. Holder, G. Holzapfel, W.L. Hou, Z. Hrubes, J.D. Knox, L. Lee, A.T. Luong-Van, D. Marrone, D.P. McMahon, J.J. Meyer, S.S. Millea, M. Mocanu, L.M. Mohr, J.J. Moncelsi, L. Padin, S. Pryke, C. Ruhl, J.E. Schaffer, K.K. Serra, P. Shirokoff, E. Staniszewski, Z. Stark, A.A. Story, K.T. Vanderlinde, K. Vieira, J.D. Williamson, R. Zemcov, M. Kavli Institute for Particle Astrophysics and Cosmology & Physics Department Stanford University StanfordCA94305 United States California Institute of Technology PasadenaCA91125 United States School of Physics University of Melbourne ParkvilleVIC3010 Australia Fermi National Accelerator Laboratory MS209 P.O. Box 500 BataviaIL60510 United States Kavli Institute for Cosmological Physics University of Chicago 5640 S. Ellis Ave. ChicagoIL60637 United States Department of Astronomy and Astrophysics University of Chicago 5640 S. Ellis Ave. ChicagoIL60637 United States High Energy Physics Division Argonne National Laboratory ArgonneIL60439 United States Jet Propulsion Laboratory California Institute of Technology PasadenaCA91109 United States Department of Physics University of Chicago ChicagoIL60637 United States Enrico Fermi Institute University of Chicago ChicagoIL60637 United States SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo ParkCA94025 United States Department of Physics and McGill Space Institute McGill University MontrealQCH3A 2T8 Canada Department of Physics University of California BerkeleyCA94720 United States Canadian Institute for Advanced Research CIFAR Program in Cosmology and Gravity TorontoONM5G 1Z8 Canada Center for Astrophysics and Space Astronomy Department of Astrophysical and Planetary Sciences University of Colorado BoulderCO80309 United States European Southern Observatory Karl-Schwarzschild-Straße 2 Garching85748 Germany Department of Physics University of Colorado BoulderCO80309 United States Astronomy Department University of Illinois at Urbana-Champaign 1002 W. Green Street UrbanaIL61801 United States Department of Physics University of Illinois Urbana-Champaign 1110 W. Green Street UrbanaIL61801 United States University of Chicago ChicagoIL60637 United States Department of Physics University of California DavisCA95616 United States Physics Division Lawrence Berkeley

We present measurements of the power spectra of cosmic infrared background (CIB) and cosmic microwave background (CMB) fluctuations in six frequency bands. Maps at the lower three frequency bands, 95, 150, and 220GHz (3330, 2000, 1360 µm) are from the South Pole Telescope, while the upper three frequency bands, 600, 857, and 1200GHz (500, 350, 250 µm) are observed with Herschel/SPIRE. From these data, we produce 21 angular power spectra (six auto- and fifteen cross-frequency) spanning the multipole range 600 ≤ ≤ 11,000. Our measurements are the first to cross-correlate measurements near the peak of the CIB spectrum with maps at 95GHz, complementing and extending the measurements from Planck Collaboration et al. (2014) at 143 - 857GHz. The observed fluctuations originate largely from clustered, infrared-emitting, dusty star-forming galaxies, the CMB, and to a lesser extent radio galaxies, active galactic nuclei, and the Sunyaev-Zel’dovich effect. Copyright © 2018, The Authors. All rights reserved.

关键词： Power spectrum

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Maps of the Southern millimeter-wave sky from combined 2500 deg2SPT-SZ and planck temperature data

arXiv

引用

arXiv 2018年

作者： Chown, R. Omori, Y. Aylor, K. Benson, B.A. Bleem, L.E. Carlstrom, J.E. Chang, C.L. Cho, H.-M. Crawford, T. Crites, A.T. De Haan, T. Dobbs, M.A. Everett, W.B. George, E.M. Henning, J.W. Halverson, N.W. Harrington, N.L. Holder, G. Holzapfel, W.L. Hou, Z. Hrubes, J.D. Knox, L. Lee, A.T. Luong-Van, D. Marrone, D.P. McMahon, J.J. Meyer, S.S. Millea, M. Mocanu, L.M. Mohr, J.J. Natoli, T. Padin, S. Pryke, C. Reichardt, C.L. Ruhl, J.E. Sayre, J.T. Schaffer, K.K. Shirokoff, E. Simard, G. Staniszewski, Z. Stark, A.A. Story, K.T. Vanderlinde, K. Vieira, J.D. Williamson, R. Wu, W.L.K. Department of Physics McGill Space Institute McGill University MontrealQCH3A2T8 Canada Department of Physics and Astronomy McMaster University 1280 Main St. W. HamiltonONL8S 4L8 Canada Kavli Institute for Particle Astrophysics and Cosmology Stanford University 452 Lomita Mall StanfordCA94305 United States Deptartment of Physics Stanford University 382 Via Pueblo Mall StanfordCA94305 United States Department of Physics University of California DavisCA95616 United States Fermi National Accelerator Laboratory MS209 P.O. Box 500 BataviaIL60510 United States Kavli Institute for Cosmological Physics University of Chicago 5640 S. Ellis Ave. ChicagoIL60637 United States Department of Astronomy and Astrophysics University of Chicago 640 S. Ellis Ave. ChicagoIL60637 United States High Energy Physics Division Argonne National Laboratory ArgonneIL60439 United States Department of Physics University of Chicago ChicagoIL60637 United States Enrico Fermi Institute University of Chicago ChicagoIL60637 United States SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo ParkCA94025 United States California Institute of Technology PasadenaCA91125 United States Department of Physics University of California BerkeleyCA94720 United States Canadian Institute for Advanced Research CIFAR Program in Cosmology and Gravity TorontoONM5G 1Z8 Canada Center for Astrophysics and Space Astronomy Department of Astrophysical and Planetary Sciences University of Colorado BoulderCO80309 United States European Southern Observatory Karl-Schwarzschild-Strabe 2 Garching85748 Germany Department of Physics University of Colorado BoulderCO80309 United States Astronomy Department University of Illinois at Urbana-Champaign 1002 W. Green Street UrbanaIL61801 United States Department of Physics University of Illinois Urbana-Champaign 1110 W. Green Street UrbanaIL61801 United States University of Chicago ChicagoIL60637 United States Physics Di

We present three maps of the millimeter-wave sky created by combining data from the South Pole Telescope (SPT) and the Planck satellite. We use data from the SPT-SZ survey, a survey of 2540 deg2of the the sky with arcminute resolution in three bands centered at 95, 150, and 220 GHz, and the full-mission Planck temperature data in the 100, 143, and 217 GHz bands. A linear combination of the SPT-SZ and Planck data is computed in spherical harmonic space, with weights derived from the noise of both instruments. This weighting scheme results in Planck data providing most of the largeangular-scale information in the combined maps, with the smaller-scale information coming from SPT-SZ data. A number of tests have been done on the maps. We find their angular power spectra to agree very well with theoretically predicted spectra and previously published results. Copyright © 2018, The Authors. All rights reserved.

关键词： Surveys

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Cluster Cosmology Constraints from the 2500 deg2 SPT-SZ Survey: Inclusion of Weak Gravitational Lensing Data from Magellan and the Hubble Space Telescope

arXiv

引用

arXiv 2018年

作者： Bocquet, S. Dietrich, J.P. Schrabback, T. Bleem, L.E. Klein, M. Allen, S.W. Applegate, D.E. Ashby, M.L.N. Bautz, M. Bayliss, M. Benson, B.A. Brodwin, M. Bulbul, E. Canning, R.E.A. Capasso, R. Carlstrom, J.E. Chang, C.L. Chiu, I. Cho, H.-M. Clocchiatti, A. Crawford, T.M. Crites, A.T. de Haan, T. Desai, S. Dobbs, M.A. Foley, R.J. Forman, W.R. Garmire, G.P. George, E.M. Gladders, M.D. Gonzalez, A.H. Grandis, S. Gupta, N. Halverson, N.W. Hlavacek-Larrondo, J. Hoekstra, H. Holder, G.P. Holzapfel, W.L. Hou, Z. Hrubes, J.D. Huang, N. Jones, C. Khullar, G. Knox, L. Kraft, R. Lee, A.T. von der Linden, A. Luong-Van, D. Mantz, A. Marrone, D.P. McDonald, M. McMahon, J.J. Meyer, S.S. Mocanu, L.M. Mohr, J.J. Morris, R.G. Padin, S. Patil, S. Pryke, C. Rapetti, D. Reichardt, C.L. Rest, A. Ruhl, J.E. Saliwanchik, B.R. Saro, A. Sayre, J.T. Schaffer, K.K. Shirokoff, E. Stalder, B. Stanford, S.A. Staniszewski, Z. Stark, A.A. Story, K.T. Strazzullo, V. Stubbs, C.W. Vanderlinde, K. Vieira, J.D. Vikhlinin, A. Williamson, R. Zenteno, A. Faculty of Physics Ludwig-Maximilians-Universität Scheinerstr. 1 Munich81679 Germany HEP Division Argonne National Laboratory ArgonneIL60439 United States Kavli Institute for Cosmological Physics University of Chicago ChicagoIL60637 United States Excellence Cluster Universe Boltzmannstr. 2 Garching85748 Germany Argelander-Institut für Astronomie Auf dem Hügel 71 Bonn53121 Germany Max Planck Institute for Extraterrestrial Physics Giessenbachstr. 1 Garching85748 Germany Kavli Institute for Particle Astrophysics and Cosmology Stanford University 452 Lomita Mall StanfordCA94305 United States Department of Physics Stanford University 382 Via Pueblo Mall StanfordCA94305 United States SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo ParkCA94025 United States Center for Astrophysics Harvard & Smithsonian CambridgeMA02138 United States Kavli Institute for Astrophysics and Space Research Massachusetts Institute of Technology 77 Massachusetts Avenue CambridgeMA02139 United States Department of Astronomy and Astrophysics University of Chicago ChicagoIL60637 United States Fermi National Accelerator Laboratory BataviaIL60510-0500 United States Department of Physics and Astronomy University of Missouri 5110 Rockhill Road Kansas CityMO64110 United States Department of Physics University of Chicago ChicagoIL60637 United States Enrico Fermi Institute University of Chicago ChicagoIL60637 United States Institute of Astronomy and Astrophysics Academia Sinica Taipei10617 Taiwan NIST Quantum Devices Group BoulderCO80305 United States Departamento de Astronomia y Astrosifica Pontificia Universidad Catolica Chile California Institute of Technology PasadenaCA91125 United States Department of Physics University of California BerkeleyCA94720 United States Department of Physics IIT Hyderabad KandiTelangana502285 India Department of Physics McGill University MontrealQCH3A 2T8 Canada Canadian Institute for Advanced Researc

We derive cosmological constraints using a galaxy cluster sample selected from the 2500 deg2 SPT-SZ survey. The sample spans the redshift range 0.25 5. The sample is supplemented with optical weak gravitational lensing measurements of 32 clusters with 0.29 m = 0.276 ± 0.047, σ8 = 0.781 ± 0.037, and σ8(Ωm/0.3)0.2 = 0.766 ± 0.025. The redshift evolution of the X-ray YX–mass and Mgas–mass relations are both consistent with self-similar evolution to within 1σ. The mass-slope of the YX–mass relation shows a 2.3σ deviation from self-similarity. Similarly, the mass-slope of the Mgas–mass relation is steeper than self-similarity at the 2.5σ level. In a νwCDM cosmology, we measure the dark energy equation of state parameter w = −1.55 ± 0.41 from the cluster data. We perform a measurement of the growth of structure since redshift z ∼ 1.7 and find no evidence for tension with the prediction from General Relativity. This is the first analysis of the SPT cluster sample that uses direct weak-lensing mass calibration, and is a step toward using the much larger weak-lensing dataset from DES. We provide updated redshift and mass estimates for the SPT sample. Copyright © 2018, The Authors. All rights reserved.

关键词： Cosmology

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World Congress Integrative Medicine & Health 2017: Part one: Berlin, Germany. 3-5 May 2017

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BMC Complement Altern Med 2017年第SUPPL 1期17卷 322-322页

作者： Benno Brinkhaus Torkel Falkenberg Aviad Haramati Stefan N. Willich Josephine P. Briggs Merlin Willcox Klaus Linde Töres Theorell Lisa M. Wong Jeffrey Dusek Darong Wu David Eisenberg Bettina Berger Kathi Kemper Beate Stock-Schröer Hedda Sützl-Klein Rosaria Ferreri Gary Kaplan Harald Matthes Gabriele Rotter Elad Schiff Zahi Arnon Eckhard Hahn Christina M. Luberto David Martin Silke Schwarz Diethard Tauschel Andrew Flower Harsha Gramminger Hedwig H. Gupta S. N. Gupta Annette Kerckhoff Christian S. Kessler Andreas Michalsen Eun S. Kim Eun H. Jang Rana Kim Sae B. Jan Martin Mittwede Wiebke Mohme Eran Ben-Arye Massimo Bonucci Bashar Saad Thomas Breitkreuz Elio Rossi Rejin Kebudi Michel Daher Samaher Razaq Nahla Gafer Omar Nimri Mohamed Hablas Gunver Sophia Kienle Noah Samuels Michael Silbermann Lena Bandelin Anna-Lena Lang Eva Wartner Christoph Holtermann Maxwell Binstock Robert Riebau Edin Mujkanovic Holger Cramer Romy Lauche Andres Michalsen Lesley Ward Dominik Irnich Wolfram Stör Geoffrey Burnstock Hans-Georg Schaible Thomas Ots Jost Langhorst Tobias Sundberg Catherina Amarell Melanie Anheyer Marion Eckert Mercedes Ogal Annette Schönauer Birgit Reisenberger Bernhard Brand Dennis Anheyer Gustav Dobos Matthias Kroez Aldo Ammendola Jun J. Mao Claudia Witt Yufei Yang Miriam Oritz Markus Horneber Petra Voiß Alexandra von Rosenstiel Catharina Amarell Friedemann Schad Marc Schläppi Matthias Kröz Arndt Büssing Gil Bar-Sela David Avshalomov Samuel Attias Sian Cotton Miek Jong Mats Jong Christian Scheffer Friedrich Edelhäuser Abdullah AlBedah Myeong Soo Lee Mohamed Khalil Keiko Ogawa Yoshiharu Motoo Junsuke Arimitsu Masao Ogawa Genki Shimizu Rainer Stange Karin Kraft Kenny Kuchta Kenji Watanabe D Bonin Harald Gruber Sabine Koch Urs Pohlmann Christine Caldwell Barbara Krantz Ria Kortum Lily Martin Lisa S. Wieland Ben Kligler Susan Gould-Fogerite Yuqing Zhang John J. Riva Michael Lumpkin Emily Ratner Liu Ping Pei Jian Gesa-Meyer Hamme Xiaosong Mao Han Chouping Sven Schröder Josef Hummelsberger Michael Wullinger Marc Brodzky Chr Institute for Social Medicine Epidemiology and Health Economics Charité – Universitätsmedizin Berlin Berlin Germany Department of Neurobiology Care Sciences and Society Division of Nursing Research Group Integrative Care Karolinska Institutet Stockholm Sweden I C – The Integrative Care Science Center Järna Sweden Department of Biochemistry Molecular and Cellular Biology Georgetown University Medical Center Washington DC USA Department of Medicine Georgetown University Medical Center Washington DC USA NCCIH NIH Bethesda MD USA Department of Primary Care and Population Sciences University of Southampton Aldermoor Health Centre Coxford Rd Southampton 2016 5ST UK Institute of General Practice Technical University Munich Munich Germany Department of Neuroscience Karolinska Institute Stockholm Sweden Stress Research Institute Stockholm University Stockholm Sweden Arts and Humanities Initiative Harvard Medical School Boston MA 02115 USA Psychosomatic medicine Neuropsychology Allina Health Minneapolis MN USA nd Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou China Department of Nutrition Harvard University T H Chan School of Public Health Boston MA 02115 USA Department of Health University of Witten/Herdecke Witten/Herdecke Germany OSU Blacklick OH USA Carstens-Foundation and FORUM D-45276 Essen Germany ESIHR (European Society for Integrative Health Care) A-1070 Vienna Austria Hospital Centre of Integrated Medicine Hospital of Pitiglian o ASL SudEst Toscana Grosseto Italy The Kaplan Center for Integrative Medicine Georgetown University McLean VA USA Hospital Havelhöhe Berlin Germany Institute for Social Medicine Epidemiology and Health Economics Charité University Hospital Berlin Germany Internal medicine and Complementary medicine service Bnai Zion Medical Center Haifa Israel Complementary-Integrative Surgery Service Bnai Zion Medical Center Haifa Israel The Emek Yezreel Academic College Yezreel Valley Israel Medicine

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The Hyper Suprime-Cam SSP Survey: Overview and Survey Design

arXiv

引用

arXiv 2017年

作者： Aihara, Hiroaki Arimoto, Nobuo Armstrong, Robert Arnouts, Stéphane Bahcall, Neta A. Bickerton, Steven Bosch, James Bundy, Kevin Capak, Peter L. Chan, James H.H. Chiba, Masashi Coupon, Jean Egami, Eiichi Enoki, Motohiro Finet, Francois Fujimori, Hiroki Fujimoto, Seiji Furusawa, Hisanori Furusawa, Junko Goto, Tomotsugu Goulding, Andy Greco, Johnny P. Greene, Jenny E. Gunn, James E. Hamana, Takashi Harikane, Yuichi Hashimoto, Yasuhiro Hattori, Takashi Hayashi, Masao Hayashi, Yusuke Helminiak, Krzysztof G. Higuchi, Ryo Hikage, Chiaki Ho, Paul T.P. Hsieh, Bau-Ching Huang, Kuiyun Huang, Song Ikeda, Hiroyuki Imanishi, Masatoshi Inoue, Akio K. Iwasawa, Kazushi Iwata, Ikuru Jaelani, Anton T. Jian, Hung-Yu Kamata, Yukiko Karoji, Hiroshi Kashikawa, Nobunari Katayama, Nobuhiko Kawanomoto, Satoshi Kayo, Issha Koda, Jin Koike, Michitaro Kojima, Takashi Komiyama, Yutaka Konno, Akira Koshida, Shintaro Koyama, Yusei Kusakabe, Haruka Leauthaud, Alexie Lee, C.-H. Lin, Lihwai Lin, Yen-Ting Lupton, Robert H. Mandelbaum, Rachel Matsuoka, Yoshiki Medezinski, Elinor Mineo, Sogo Miyama, Shoken Miyatake, Hironao Miyazaki, Satoshi Momose, Rieko More, Anupreeta More, Surhud Moritani, Yuki Moriya, Takashi J. Morokuma, Tomoki Mukae, Shiro Murata, Ryoma Murayama, Hitoshi Nagao, Tohru Nakata, Fumiaki Niida, Mana Niikura, Hiroko Nishizawa, Atsushi J. Obuchi, Yoshiyuki Oguri, Masamune Oishi, Yukie Okabe, Nobuhiro Okamoto, Sakurako Okura, Yuki Ono, Yoshiaki Onodera, Masato Onoue, Masafusa Osato, Ken Ouchi, Masami Price, Paul A. Pyo, Tae-Soo Sako, Masao Sawicki, Marcin Shibuya, Takatoshi Shimasaku, Kazuhiro Shimono, Atsushi Shirasaki, Masato Silverman, John D. Simet, Melanie Speagle, Joshua Spergel, David N. Strauss, Michael A. Sugahara, Yuma Sugiyama, Naoshi Suto, Yasushi Suyu, Sherry H. Suzuki, Nao Tait, Philip J. Takada, Masahiro Takata, Tadafumi Tamura, Naoyuki Tanaka, Manobu M. Tanaka, Masaomi Tanaka, Masayuki Tanaka, Yoko Terai, Tsuyoshi Terashima, Yuichi Toba, Yoshiki Tominaga, Nozomu Toshikawa, Jun Turner, Edwin L. Uchida, Tomohisa Uchiyama Department of Physics University of Tokyo Tokyo113-0033 Japan 2-21-1 Osawa MitakaTokyo 181-8588 Japan Subaru Telescope National Astronomical Observatory of Japan 650 N Aohoku Pl HiloHI96720 United States Department of Astrophysical Sciences Princeton University 4 Ivy Lane PrincetonNJ08544 United States CNRS Laboratoire d’Astrophysique de Marseille UMR 7326 Aix Marseille Universit MarseilleF-13388 France Orbital Insight 100 W. Evelyn Ave. Mountain ViewCA94041 United States UTIAS University of Tokyo Chiba277-8583 Japan Department of Astronomy and Astrophysics University of California Santa Cruz 1156 High Street Santa CruzCA95064 United States California Institute of Technology 1200 E. California Blvd. PasadenaCA91125 United States Academia Sinica Institute of Astronomy and Astrophysics P.O. Box 23-141 Taipei10617 Taiwan Department of Physics National Taiwan University Taipei10617 Taiwan Astronomical Institute Tohoku University 6-3 Aramaki Aoba-ku SendaiMiyagi980-8578 Japan Department of Astronomy University of Geneva ch. d’Écogia 16 Versoix1290 Switzerland Steward Observatory University of Arizona 1540 East Second Street TucsonAZ85721-0064 United States Faculty of Business Administration Tokyo Keizai University KokubunjiTokyo185-8502 Japan MEISEI ELECTRIC CO. LTD 2223 Naganuma IsesakiGumma Japan Institute for Cosmic Ray Research University of Tokyo 5-1-5 Kashiwanoha Kashiwa Chiba277-8582 Japan National Astronomical Observatory of Japan 2-21-1 Osawa MitakaTokyo 181-8588 Japan Institute of Astronomy National Tsing Hua University 101 Section 2 Kuang-Fu Road Hsinchu30013 Taiwan Department of Astronomy Graduate School of Science University of Tokyo 7-3-1 Hongo Bunkyo113-0033 Japan Department of Earth Sciences National Taiwan Normal University No.88 Sec. 4 Tingzhou Rd. Wenshan District Taipei11677 Taiwan Department of Astrophysics Nicolaus Copernicus Astronomical Center ul. Rabianska ´ 8 Torun87-100

Hyper Suprime-Cam (HSC) is a wide-field imaging camera on the prime focus of the 8.2m Subaru telescope on the summit of Maunakea in Hawaii. A team of scientists from Japan, Taiwan and Princeton University is using HSC to carry out a 300-night multi-band imaging survey of the high-latitude sky. The survey includes three layers: the Wide layer will cover 1400 deg2 in five broad bands (grizy), with a 5 σ point-source depth of r ≈ 26. The Deep layer covers a total of 26 deg2 in four fields, going roughly a magnitude fainter, while the UltraDeep layer goes almost a magnitude fainter still in two pointings of HSC (a total of 3.5 deg2). Here we describe the instrument, the science goals of the survey, and the survey strategy and data processing. This paper serves as an introduction to a special issue of the Publications of the Astronomical Society of Japan, which includes a large number of technical and scientific papers describing results from the early phases of this survey. Copyright © 2017, The Authors. All rights reserved.

关键词： Cams

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Crossover temperature of the spin-1/2 XXZ chain with an impurity

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Journal of Physics: Conference Series 2016年第1期670卷

作者： Ryoko Yahagi Jun Sato Tetsuo Deguchi Department of Physics Graduate School of Humanities and Sciences Ochanomizu University 2-1-1 Ohtsuka Bunkyo-ku Tokyo 112-8610 Japan Research Center for Advanced Science and Technology University of Tokyo 4-6-1 Komaba Meguro-ku Tokyo 153-8904 Japan Department of Physics Faculty of Core Research Ochanomizu University 2-1-1 Ohtsuka Bunkyo-ku Tokyo 112-8610 Japan

We study exactly the effect of an impurity in the interacting quantum spin chain at low temperature by solving the integrable spin-1/2 XXZ periodic chain with an impurity through the algebraic and thermal Bethe ansatz methods. In particular, we investigate how the crossover temperature for the impurity specific heat depends on the impurity parameter, i.e. the coupling of the impurity to other spins, and show that it is consistent with the analytic expression that is obtained by setting the impurity susceptibility to be proportional to the inverse of the crossover temperature. In the model, two types of crossover behavior appear: one from the high-temperature regime to the low-temperature Kondo regime and another from the N-site homogeneous chain to the (N − 1)-site chain with a decoupled free impurity spin, with respect to the temperature and the impurity parameter, respectively.

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Search for Majorana Neutrinos Near the Inverted Mass Hierarchy Region with KamLAND-Zen

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Physical Review Letters 2016年第8期117卷 082503-082503页

作者： A. Gando Y. Gando T. Hachiya A. Hayashi S. Hayashida H. Ikeda K. Inoue K. Ishidoshiro Y. Karino M. Koga S. Matsuda T. Mitsui K. Nakamura S. Obara T. Oura H. Ozaki I. Shimizu Y. Shirahata J. Shirai A. Suzuki T. Takai K. Tamae Y. Teraoka K. Ueshima H. Watanabe A. Kozlov Y. Takemoto S. Yoshida K. Fushimi T. I. Banks B. E. Berger B. K. Fujikawa T. O’Donnell L. A. Winslow Y. Efremenko H. J. Karwowski D. M. Markoff W. Tornow J. A. Detwiler S. Enomoto M. P. Decowski Research Center for Neutrino Science Tohoku University Sendai 980-8578 Japan Kavli Institute for the Physics and Mathematics of the Universe (WPI) The University of Tokyo Institutes for Advanced Study The University of Tokyo Kashiwa Chiba 277-8583 Japan Graduate School of Science Osaka University Toyonaka Osaka 560-0043 Japan Faculty of Integrated Arts and Science University of Tokushima Tokushima 770-8502 Japan Physics Department University of California Berkeley and Lawrence Berkeley National Laboratory Berkeley California 94720 USA Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA Department of Physics and Astronomy University of Tennessee Knoxville Tennessee 37996 USA Triangle Universities Nuclear Laboratory Durham North Carolina 27708 USA Physics Departments at Duke University Durham North Carolina 27708 USA North Carolina Central University Durham North Carolina 27707 USA and The University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599 USA Center for Experimental Nuclear Physics and Astrophysics University of Washington Seattle Washington 98195 USA Nikhef and the University of Amsterdam Science Park Amsterdam 1098XG The Netherlands

We present an improved search for neutrinoless double-beta (0νββ) decay of Xe136 in the KamLAND-Zen experiment. Owing to purification of the xenon-loaded liquid scintillator, we achieved a significant reduction of the Ag110m contaminant identified in previous searches. Combining the results from the first and second phase, we obtain a lower limit for the 0νββ decay half-life of T1/20ν>1.07×1026 yr at 90% C.L., an almost sixfold improvement over previous limits. Using commonly adopted nuclear matrix element calculations, the corresponding upper limits on the effective Majorana neutrino mass are in the range 61–165 meV. For the most optimistic nuclear matrix elements, this limit reaches the bottom of the quasidegenerate neutrino mass region.

关键词： Neutrinoless double beta decay Majorana neutrinos

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Erratum: 'A Search for Electron Antineutrinos Associated with Gravitational-wave Events GW150914 and GW151226 Using KamLAND' (2016, ApJL, 829, L34)

引用

The Astrophysical Journal Letters 2017年第1期851卷

作者： A. Gando Y. Gando T. Hachiya A. Hayashi S. Hayashida H. Ikeda K. Inoue K. Ishidoshiro Y. Karino M. Koga S. Matsuda T. Mitsui K. Nakamura S. Obara T. Oura H. Ozaki I. Shimizu Y. Shirahata J. Shirai A. Suzuki T. Takai K. Tamae Y. Teraoka K. Ueshima H. Watanabe A. Kozlov Y. Takemoto S. Yoshida K. Fushimi A. Piepke T. I. Banks B. E. Berger B. K. Fujikawa T. O'Donnell J. G. Learned J. Maricic M. Sakai L. A. Winslow E. Krupczak J. Ouellet Y. Efremenko H. J. Karwowski D. M. Markoff W. Tornow J. A. Detwiler S. Enomoto M. P. Decowski (The KamLAND Collaboration) Research Center for Neutrino Science Tohoku University Sendai 980-8578 Japan Kavli Institute for the Physics and Mathematics of the Universe (WPI) The University of Tokyo Institutes for Advanced Study The University of Tokyo Kashiwa Chiba 277-8583 Japan Graduate School of Science Osaka University Toyonaka Osaka 560-0043 Japan Faculty of Integrated Arts and Science University of Tokushima Tokushima 770-8502 Japan Department of Physics and Astronomy University of Alabama Tuscaloosa AL 35487 USA Physics Department University of California Berkeley CA 94720 USA Lawrence Berkeley National Laboratory Berkeley CA 94720 USA Department of Physics and Astronomy University of Hawaii at Manoa Honolulu HI 96822 USA Massachusetts Institute of Technology Cambridge MA 02139 USA Department of Physics and Astronomy University of Tennessee Knoxville TN 37996 USA National Research Nuclear University Moscow Russia Triangle Universities Nuclear Laboratory Durham NC 27708 USA The University of North Carolina at Chapel Hill Chapel Hill NC 27599 USA North Carolina Central University Durham NC 27701 USA Physics Department at Duke University Durham NC 27705 USA Center for Experimental Nuclear Physics and Astrophysics University of Washington Seattle WA 98195 USA Nikhef and the University of Amsterdam Science Park Amsterdam The Netherlands

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Constraints on cosmological parameters from the angular power spectrum of a combined 2500 Deg2 SPT-SZ and Planck gravitational lensing map

arXiv

引用

arXiv 2017年

作者： Simard, G. Omori, Y. Aylor, K. Baxter, E.J. Benson, B.A. Bleem, L.E. Carlstrom, J.E. Chang, C.L. Cho, H.-M. Chown, R. Crawford, T.M. Crites, A.T. de Haan, T. Dobbs, M.A. Everett, W.B. George, E.M. Halverson, N.W. Harrington, N.L. Henning, J.W. Holder, Gilbert P. Hou, Z. Holzapfel, W.L. Hrubes, J.D. Knox, L. Lee, A.T. Leitch, E.M. Luong-Van, D. Manzotti, A. McMahon, J.J. Meyer, S.S. Mocanu, L.M. Mohr, J.J. Natoli, T. Padin, S. Pryke, C. Reichardt, C.L. Ruhl, J.E. Sayre, J.T. Schaffer, K.K. Shirokoff, E. Staniszewski, Z. Stark, A.A. Story, K.T. Vanderlinde, K. Vieira, J.D. Williamson, R. Wu, W.L.K. Department of Physics McGill Space Institute McGill University MontrealQCH3A 2T8 Canada Kavli Institute for Particle Astrophysics and Cosmology Stanford University 452 Lomita Mall StanfordCA94305 United States Dept. of Physics Stanford University 382 Via Pueblo Mall StanfordCA94305 United States Department of Physics University of California DavisCA95616 United States Center for Particle Cosmology Department of Physics and Astronomy University of Pennsylvania PhiladelphiaPA19104 United States Kavli Institute for Cosmological Physics University of Chicago ChicagoIL60637 United States Department of Astronomy and Astrophysics University of Chicago ChicagoIL60637 United States Fermi National Accelerator Laboratory MS209 P.O. Box 500 BataviaIL60510 United States High Energy Physics Division Argonne National Laboratory ArgonneIL60439 United States Department of Physics University of Chicago ChicagoIL60637 United States Enrico Fermi Institute University of Chicago ChicagoIL60637 United States SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo ParkCA94025 United States California Institute of Technology PasadenaCA91125 United States Department of Physics University of California BerkeleyCA94720 United States Canadian Institute for Advanced Research CIFAR Program in Cosmology and Gravity TorontoONM5G 1Z8 Canada Center for Astrophysics and Space Astronomy Department of Astrophysical and Planetary Sciences University of Colorado BoulderCO80309 United States European Southern Observatory Karl-Schwarzschild-Straße 2 Garching85748 Germany Department of Physics University of Colorado BoulderCO80309 United States Astronomy Department University of Illinois at Urbana-Champaign 1002 W. Green Street UrbanaIL61801 United States Department of Physics University of Illinois Urbana-Champaign 1110 W. Green Street UrbanaIL61801 United States University of Chicago ChicagoIL60637 United States Physics Division Lawrence

We report constraints on cosmological parameters from the angular power spectrum of a cosmic microwave background (CMB) gravitational lensing potential map created using temperature data from 2500 deg2 of South Pole Telescope (SPT) data supplemented with data from Planck in the same sky region, with the statistical power in the combined map primarily from the SPT data. We fit the corresponding lensing angular power spectrum to a model including cold dark matter and a cosmological constant (ΛCDM), and to models with single-parameter extensions to ΛCDM. We find constraints that are comparable to and consistent with constraints found using the full-sky Planck CMB lensing data. Specifically, we find σ8Ω0m.25 = 0.598 ±0.024 from the lensing data alone with relatively weak priors placed on the other ΛCDM parameters. In combination with primary CMB data from Planck, we explore single-parameter extensions to the ΛCDM model. We find Ωk = −0.012+0−0..021023 or Mν L, which scales the lensing power spectrum in both the lens reconstruction power and in the smearing of the acoustic peaks, and Aφφ, which scales only the amplitude of the CMB lensing reconstruction power spectrum. We find Aφφ × AL = 1.01 ± 0.08 for the lensing map made from combined SPT and Planck temperature data, indicating that the amount of lensing is in excellent agreement with what is expected from the observed CMB angular power spectrum when not including the information from smearing of the acoustic peaks. Copyright © 2017, The Authors. All rights reserved.

关键词： Cosmology

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A 2500 Deg2 Cmb Lensing Map From Combined South Pole Telescope and Planck Data

arXiv

引用

arXiv 2017年

作者： Omori, Y. Chown, R. Simard, G. Story, K.T. Aylor, K. Baxter, E.J. Benson, B.A. Bleem, L.E. Carlstrom, J.E. Chang, C.L. Cho, H.-M. Crawford, T.M. Crites, A.T. de Haan, T. Dobbs, M.A. Everett, W.B. George, E.M. Halverson, N.W. Harrington, N.L. Holder, G.P. Hou, Z. Holzapfel, W.L. Hrubes, J.D. Knox, L. Lee, A.T. Leitch, E.M. Luong-Van, D. Manzotti, A. Marrone, D.P. McMahon, J.J. Meyer, S.S. Mocanu, L.M. Mohr, J.J. Natoli, T. Padin, S. Pryke, C. Reichardt, C.L. Ruhl, J.E. Sayre, J.T. Schaffer, K.K. Shirokoff, E. Staniszewski, Z. Stark, A.A. Vanderlinde, K. Vieira, J.D. Williamson, R. Zahn, O. Department of Physics and McGill Space Institute McGill University MontrealQCH3A 2T8 Canada Kavli Institute for Cosmological Physics University of Chicago ChicagoIL60637 United States Department of Physics University of Chicago ChicagoIL60637 United States Kavli Institute for Particle Astrophysics and Cosmology Stanford University 452 Lomita Mall StanfordCA94305 United States Dept. of Physics Stanford University 382 Via Pueblo Mall StanfordCA94305 United States Department of Physics University of California DavisCA95616 United States Center for Particle Cosmology Department of Physics and Astronomy University of Pennsylvania PhiladelphiaPA19104 United States Department of Astronomy and Astrophysics University of Chicago ChicagoIL60637 United States Fermi National Accelerator Laboratory MS209 P.O. Box 500 BataviaIL60510 United States High Energy Physics Division Argonne National Laboratory ArgonneIL60439 United States Enrico Fermi Institute University of Chicago ChicagoIL60637 United States SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo ParkCA94025 United States California Institute of Technology PasadenaCA91125 United States Department of Physics University of California BerkeleyCA94720 United States Center for Astrophysics and Space Astronomy Department of Astrophysical and Planetary Sciences University of Colorado BoulderCO80309 United States European Southern Observatory Karl-Schwarzschild-Straße 2 Garching85748 Germany Department of Physics University of Colorado BoulderCO80309 United States Canadian Institute for Advanced Research CIFAR Program in Cosmology and Gravity TorontoONM5G 1Z8 Canada Astronomy Department University of Illinois at Urbana-Champaign 1002 W. Green Street UrbanaIL61801 United States Department of Physics University of Illinois Urbana-Champaign 1110 W. Green Street UrbanaIL61801 United States University of Chicago ChicagoIL60637 United States Physics Division Lawre

We present a cosmic microwave background (CMB) lensing map produced from a linear combination of South Pole Telescope (SPT) and Planck temperature data. The 150 GHz temperature data from the 2500 deg2 SPT-SZ survey is combined with the Planck 143 GHz data in harmonic space, to obtain a temperature map that has a broader ` coverage and less noise than either individual map. Using a quadratic estimator technique on this combined temperature map, we produce a map of the gravitational lensing potential projected along the line of sight. We measure the auto-spectrum of the lensing potential CLφφ, and compare it to the theoretical prediction for a ΛCDM cosmology consistent with the Planck 2015 data set, finding a best-fit amplitude of 0.95+0−0..0606(Stat.)+0−0..0101(Sys.). The null hypothesis of no lensing is rejected at a significance of 24 σ. One important use of such a lensing potential map is in cross-correlations with other dark matter tracers. We demonstrate this cross-correlation in practice by calculating the cross-spectrum, CLφG, between the SPT+Planck lensing map and Wide-field Infrared Survey Explorer (WISE) galaxies. We fit CLφG to a power law of the form pL = a(L/L0)−b with a = 2.15 × 10−8, b = 1.35, L0 = 490, and find ηφG = 0.94−+00..0404, which is marginally lower, but in good agreement with ηφG = 1.00+0−0..0201, the best-fit amplitude for the cross-correlation of Planck-2015 CMB lensing and WISE galaxies over ∼ 67% of the sky. The lensing potential map presented here will be used for cross-correlation studies with the Dark Energy Survey (DES), whose footprint nearly completely covers the SPT 2500 deg2 field. Subject headings: Gravitational lensing: general — Copyright © 2017, The Authors. All rights reserved.

关键词： Surveys

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