Charged-particle multiplicities in ppinteractions measured with the ATLAS detector at the LHC

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doi:10.1088/1367-2630/13/5/053033

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Multitudinario:3047 "Charged-particle multiplicities in ppinteractions measured with the ATLAS detector at the LHC" (2011) New Journal of Physics. 13

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Abstract:

Measurements are presented from proton-proton collisions at centre-of-mass energies of s = 0.9, 2.36 and 7 TeV recorded with the ATLAS detector at the LHC. Events were collected using a single-arm minimumbias trigger. The charged-particle multiplicity, its dependence on transverse momentum and pseudorapidity and the relationship between the mean transverse momentum and charged-particle multiplicity are measured. Measurements in different regions of phase space are shown, providing diffraction-reduced measurements as well as more inclusive ones. The observed distributions are corrected to well-defined phase-space regions, using model-independent corrections. The results are compared to each other and to various Monte Carlo (MC) models, including a new AMBT1 pythia6 tune. In all the kinematic regions considered, the particle multiplicities are higher than predicted by the MC models. The central charged-particle multiplicity per event and unit of pseudorapidity, for tracks with pT < 100 MeV, is measured to be 3.483±0.009 (stat)±0.106 (syst) at s = 0.9 TeV and 5.630±0.003 (stat)±0.169 (syst) at s = 7 TeV. © 2011 CERN for the benefit of the ATLAS Collaboration, published under licence by IOP Publishing Ltd for the Institute of Physics and Deutsche Physikalische Gesellschaft.

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Documento:	Artículo
Título:	Charged-particle multiplicities in ppinteractions measured with the ATLAS detector at the LHC
Autor:	Multitudinario:3047
Filiación:	University at Albany, 1400 Washington Ave, Albany, NY 12222, United States University of Alberta, Department of Physics, Centre for Particle Physics, Edmonton, AB T6G 2G7, Canada Ankara University, Faculty of Sciences, Department of Physics, TR 061000 Tandogan, Ankara, Turkey LAPP, Université de Savoie, CNRS/IN2P3, Annecy-le-Vieux, France Argonne National Laboratory, High Energy Physics Division, 9700 S. Cass Avenue, Argonne IL 60439, United States University of Arizona, Department of Physics, Tucson, AZ 85721, United States University of Texas at Arlington, Department of Physics, Box 19059, Arlington, TX 76019, United States University of Athens, Nuclear and Particle Physics, Department of Physics, Panepistimiopouli, Zografou, GR 15771 Athens, Greece National Technical University of Athens, Physics Department, 9-Iroon Polytechniou, GR 15780 Zografou, Greece Institute of Physics, Azerbaijan Academy of Sciences, H. Javid Avenue 33, AZ 143 Baku, Azerbaijan Institut de Física d'Altes Energies, IFAE, Edifici Cn, Universitat Autònoma de Barcelona, ES-08193 Bellaterra (Barcelona), Spain University of Belgrade, Institute of Physics, P.O. Box 57, 11001 Belgrade, Serbia University of Bergen, Department for Physics and Technology, Allegaten 55, NO-5007 Bergen, Norway Lawrence Berkeley National Laboratory, University of California, Physics Division, 1 Cyclotron Road, Berkeley, CA 94720, United States Humboldt University, Institute of Physics, Berlin, Newtonstr. 15, D-12489 Berlin, Germany University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics, Sidlerstrasse 5, CH-3012 Bern, Switzerland University of Birmingham, School of Physics and Astronomy, Edgbaston, Birmingham B15 2TT, United Kingdom Bogazici University, Faculty of Sciences, Department of Physics, TR-80815 Bebek-Istanbul, Turkey INFN Sezione di Bologna, viale C. Berti Pichat, 6/2, IT-40127 Bologna, Italy University of Bonn, Physikalisches Institut, Nussallee 12, D.-53115 Bonn, Germany Boston University, Department of Physics, 590 Commonwealth Avenue, Boston, MA 02215, United States Brandeis University, Department of Physics, MS057, 415 South Street, Waltham, MA 02454, United States Universidade Federal Do Rio de Janeiro, COPPE/EE/IF, Caixa Postal 68528, Ilha do Fundao, BR-21945-970 Rio de Janeiro, Brazil Brookhaven National Laboratory, Physics Department, Bldg. 510A, Upton, NY 11973, United States National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Str. Atomistilor 407, P.O. Box MG-6, R-077125, Romania Universidad de Buenos Aires, FCEyN, Dto. Fisica, Pab I.-C. Universitaria, 1428 Buenos Aires, Argentina University of Cambridge, Cavendish Laboratory, J. J Thomson Avenue, Cambridge CB3 0HE, United Kingdom Carleton University, Department of Physics, 1125 Colonel By Drive, Ottawa ON K1S 5B6, Canada CERN, CH-1211 Geneva 23, Switzerland University of Chicago, Enrico Fermi Institute, 5640 S. Ellis Avenue, Chicago, IL 60637, United States Pontificia Universidad Católica de Chile, Facultad de Fisica, Departamento de Fisica, Avda. Vicuna Mackenna 4860, San Joaquin, Santiago, Chile Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918, 19 Yuquan Road, Shijing Shan District, CN-Beijing 100049, China Laboratoire de Physique Corpusculaire, Clermont Université, Université Blaise Pascal, FR-63177 Aubiere Cedex, France Columbia University, Nevis Laboratory, 136 So. Broadway, Irvington, NY 10533, United States University of Copenhagen, Niels Bohr Institute, Blegdamsvej 17, DK-2100 Kobenhavn 0, Denmark INFN Gruppo Collegato di Cosenza, IT-87036 Arcavacata di Rende, Italy Faculty of Physics and Applied Computer Science, AGH-University of Science and Technology, (FPACS, AGH-UST), al. Mickiewicza 30, PL-30059 Cracow, Poland Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, ul. Radzikowskiego 152, PL-31342 Krakow, Poland Southern Methodist University, Physics Department, 106 Fondren Science Building, Dallas, TX 75275-0175, United States University of Texas at Dallas, 800 West Campbell Road, Richardson, TX 75080-3021, United States DESY, Notkestr. 85, D-22603 Hamburg, Germany TU Dortmund, Experimentelle Physik IV, DE-44221 Dortmund, Germany Technical University Dresden, Institut für Kern-und Teilchenphysik, Zellescher Weg 19, D-01069 Dresden, Germany Duke University, Department of Physics, Durham, NC 27708, United States University of Edinburgh, School of Physics and Astronomy, James Clerk Maxwell Building, Mayfield Road, Edinburgh EH9 3JZ, United Kingdom Fachhochschule Wiener Neustadt; Johannes, Gutenbergstrasse 3, AT-2700 Wiener Neustadt, Austria INFN Laboratori Nazionali di Frascati, via Enrico Fermi 40, IT-00044 Frascati, Italy Albert-Ludwigs-Universität, Fakultät für Mathematik und Physik, Hermann-Herder Str. 3, D.-79104 Freiburg i.Br., Germany Université de Genève, Section de Physique, 24 rue Ernest Ansermet, CH-1211 Geneve 4, Switzerland INFN Sezione di Genova, via Dodecaneso 33, IT-16146 Genova, Italy Institute of Physics, Georgian Academy of Sciences, 6 Tamarashvili St., GE-380077 Tbilisi, Georgia Justus-Liebig-Universität Giessen, II Physikalisches Institut, Heinrich-Buff Ring 16, D-35392 Giessen, Germany University of Glasgow, Department of Physics and Astronomy, Glasgow G12 8QQ, United Kingdom Georg-August-Universität, II. Physikalisches Institut, Friedrich-Hund Platz 1, D-37077 Göttingen, Germany LPSC, CNRS/IN2P3, Univ. Joseph Fourier Grenoble, 53 avenue des Martyrs, FR-38026 Grenoble Cedex, France Hampton University, Department of Physics, Hampton, VA 23668, United States Harvard University, Laboratory for Particle Physics and Cosmology, 18 Hammond Street, Cambridge, MA 02138, United States Ruprecht-Karls-Universität Heidelberg: Kirchhoff, Institut für Physik, Im Neuenheimer Feld 227, D-69120 Heidelberg, Germany Hiroshima University, Faculty of Science, 1-3-1 Kagamiyama, Higashihiroshima-shi, JP-Hiroshima 739-8526, Japan Hiroshima Institute of Technology, Faculty of Applied Information Science, 2-1-1 Miyake Saeki-ku, Hiroshima-shi, JP-Hiroshima 731-5193, Japan Indiana University, Department of Physics, Swain Hall West 117, Bloomington, IN 47405-7105, United States Institut für Astro-und Teilchenphysik, Technikerstrasse 25, A.-6020 Innsbruck, Austria University of Iowa, 203 Van Allen Hall, Iowa City, IA 52242-1479, United States Iowa State University, Department of Physics and Astronomy, Ames High Energy Physics Group, Ames, IA 50011-3160, United States Joint Institute for Nuclear Research, JINR Dubna, RU-141980 Moscow Region, Russia, Russian Federation KEK, High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba-shi, Ibaraki-ken 305-0801, Japan Kobe University, Graduate School of Science, 1-1 Rokkodai-cho, Nada-ku, JP Kobe 657-8501, Japan Kyoto University, Faculty of Science, Oiwake-cho, Kitashirakawa, Sakyou-ku, Kyoto-shi, JP-Kyoto 606-8502, Japan Kyoto University of Education, 1 Fukakusa, Fujimori, fushimi-ku, Kyoto-shi, JP-Kyoto 612-8522, Japan Universidad Nacional de la Plata, FCE, Departamento de Física, C.C. 67, 1900 La Plata, Argentina Lancaster University, Physics Department, Lancaster LA1 4YB, United Kingdom INFN Sezione di Lecce, Via Arnesano, IT-73100 Lecce, Italy University of Liverpool, Oliver Lodge Laboratory, P.O. Box 147, Oxford Street, Liverpool L69 3BX, United Kingdom Jozef Stefan Institute, University of Ljubljana, Department of Physics, SI-1000 Ljubljana, Slovenia Queen Mary University of London, Department of Physics, Mile End Road, London E1 4NS, United Kingdom Royal Holloway, University of London, Department of Physics, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom University College London, Department of Physics and Astronomy, Gower Street, London WC1E 6BT, United Kingdom Laboratoire de Physique Nucléaire et de Hautes Energies, Université Pierre et Marie Curie (Paris 6), Université Denis Diderot (Paris-7), Tour 33, 4 place Jussieu, FR-75252 Paris Cedex 05, France Fysiska Institutionen, Lunds Universitet, Box 118, SE-221 00 Lund, Sweden Universidad Autonoma de Madrid, Facultad de Ciencias, Departamento de Fisica Teorica, ES-28049 Madrid, Spain Universität Mainz, Institut für Physik, Staudinger Weg 7, DE-55099 Mainz, Germany University of Manchester, School of Physics and Astronomy, Manchester M13 9PL, United Kingdom CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France University of Massachusetts, Department of Physics, 710 North Pleasant Street, Amherst, MA 01003, United States McGill University, High Energy Physics Group, 3600 University Street, Montreal, QC H3A 2T8, Canada University of Melbourne, School of Physics, AU-Parkville, VIC 3010, Australia University of Michigan, Department of Physics, 2477 Randall Laboratory, Ann Arbor, MI 48109-1120, United States Michigan State University, Department of Physics and Astronomy, High Energy Physics Group, East Lansing, MI 48824-2320, United States INFN Sezione di Milano, via Celoria 16, IT-20133 Milano, Italy B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Independence Avenue 68, Minsk 220072, Belarus National Scientific and Educational Centre for Particle and High Energy Physics, NC PHEP BSU, M. Bogdanovich St. 153, Minsk 220040, Belarus Massachusetts Institute of Technology, Department of Physics, Cambridge, MA 02139, United States University of Montreal, Group of Particle Physics, C.P. 6128, Succursale Centre-Ville, Montreal, QC, H3C 3J7, Canada P.N. Lebedev Institute of Physics, Academy of Sciences, Leninsky pr. 53, RU-117 924 Moscow, Russian Federation Institute for Theoretical and Experimental Physics (ITEP), B. Cheremushkinskaya ul. 25, RU 117 218 Moscow, Russian Federation Moscow Engineering and Physics Institute (MEPhI), Kashirskoe Shosse 31, RU-115409 Moscow, Russian Federation Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics (MSU SINP), 1(2), Leninskie gory, GSP-1, Moscow 119991 Russian Federation, Russian Federation Ludwig-Maximilians-Universität München, Fakultät für Physik, Am Coulombwall 1, DE-85748 Garching, Germany Max-Planck-Institut für Physik, Werner-Heisenberg-Institut, Föhringer Ring 6, 80805 München, Germany Nagasaki Institute of Applied Science, 536 Aba-machi, JP Nagasaki 851-0193, Japan Nagoya University, Graduate School of Science, Furo-Cho, Chikusa-ku, Nagoya, 464-8602, Japan INFN Sezione di Napoli, Complesso Universitario di Monte sant'Angelo, via Cinthia, IT-80126 Napoli, Italy University of New Mexico, Department of Physics and Astronomy, MSC07 4220, Albuquerque, NM 87131, United States Radboud University Nijmegen/NIKHEF, Department of Experimental High Energy Physics, Heyendaalseweg 135, NL-6525 AJ, Nijmegen, Netherlands Nikhef National Institute for Subatomic Physics, University of Amsterdam, Science Park 105, 1098 XG Amsterdam, Netherlands Department of Physics, Northern Illinois University, LaTourette Hall Normal Road, DeKalb, IL 60115, United States Budker Institute of Nuclear Physics (BINP), RU-Novosibirsk 630 090, Russian Federation New York University, Department of Physics, 4 Washington Place, New York, NY 10003, United States Ohio State University, 191 West Woodruff Ave, Columbus, OH 43210-1117, United States Okayama University, Faculty of Science, Tsushimanaka 3-1-1, Okayama 700-8530, Japan University of Oklahoma, Homer L. Dodge Department of Physics and Astronomy, 440 West Brooks, Norman, OK 73019-0225, United States Oklahoma State University, Department of Physics, 145 Physical Sciences Building, Stillwater, OK 74078-3072, United States Palacký University, 17.listopadu 50, 772 07 Olomouc, Czech Republic University of Oregon, Center for High Energy Physics, Eugene, OR 97403-1274, United States LAL, Univ. Paris-Sud, IN2P3/CNRS, Orsay, France Osaka University, Graduate School of Science, Machikaneyama-machi 1-1, Toyonaka, Osaka 560-0043, Japan University of Oslo, Department of Physics, P.O. Box 1048, Blindern, NO-0316 Oslo 3, Norway Oxford University, Department of Physics, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom INFN Sezione di Pavia, Via Bassi 6, IT-27100 Pavia, Italy University of Pennsylvania, Department of Physics, High Energy Physics Group, 209 S. 33rd Street, Philadelphia, PA 19104, United States Petersburg Nuclear Physics Institute, RU-188 300 Gatchina, Russian Federation INFN Sezione di Pisa, Largo B. Pontecorvo 3, IT-56127 Pisa, Italy University of Pittsburgh, Department of Physics and Astronomy, 3941 O'Hara Street, Pittsburgh, PA 15260, United States Laboratorio de Instrumentacao e Fisica Experimental de Particulas-LIP, Avenida Elias Garcia 14-1, PT-1000-149 Lisboa, Portugal Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, CZ-18221 Praha 8, Czech Republic Charles University in Prague, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, V. Holesovickach 2, CZ-18000 Praha 8, Czech Republic Czech Technical University in Prague, Zikova 4, CZ-166 35 Praha 6, Czech Republic State Research Center Institute for High Energy Physics, Moscow Region, Pobeda street, 1, 142281, Protvino, Russian Federation Rutherford Appleton Laboratory, Science and Technology Facilities Council, Harwell Science and Innovation Campus, Didcot OX11 0QX, United Kingdom University of Regina, Physics Department, Canada Ritsumeikan University, Noji Higashi 1 chome 1-1, JP-Kusatsu, Shiga 525-8577, Japan INFN Sezione di Roma i, Piazzale A. 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Física At. Mol. y Nuclear, Univ. of Valencia, Inst. de Microelectrónica de Barcelona (IMB-CNM-CSIC), 08193 Bellaterra, Spain Dumlupinar University, Faculty of Arts and Sciences, Department of Physics, Kutahya, Turkey Gazi University, Faculty of Arts and Sciences, Department of Physics, 06500, Teknikokullar, Ankara, Turkey TOBB University of Economics and Technology, Faculty of Arts and Sciences, Division of Physics, 06560, Sogutozu, Ankara, Turkey Turkish Atomic Energy Authority, 06530, Lodumlu, Ankara, Turkey Vinca Institute of Nuclear Sciences, M. Petrovica Alasa 12-14, 11000 Belgrade, Serbia, Serbia Dogus University, Faculty of Arts and Sciences, Department of Physics, 34722, Kadikoy, Istanbul, Turkey Gaziantep University, Faculty of Engineering, Department of Physics Engineering, 27310, Sehitkamil, Gaziantep, Turkey Università di Bologna, Dipartimento di Fisica, viale C. Berti Pichat, 6/2, IT-40127 Bologna, Italy Universidade de Sao Paulo, Instituto de Fisica, R.do Matao Trav. R.187, Sao Paulo-SP, 05508-900, Brazil University Politehnica Bucharest, Rectorat-AN 001, 313 Splaiul Independentei, sector 6, 060042 Bucuresti, Romania Universidad Técnica Federico Santa María, Departamento de Física, Avda. Espãna 1680, Casilla 110-V, Valparaíso, Chile University of Science and Technology of China (USTC), Department of Modern Physics, Hefei, CN-Anhui 230026, China Nanjing University, Department of Physics, Nanjing, CN-Jiangsu 210093, China Shandong University, High Energy Physics Group, Jinan, CN-Shandong 250100, China Università della Calabria, Dipartimento di Fisica, IT-87036 Arcavacata di Rende, Italy Università di Genova, Dipartimento di Fisica, via Dodecaneso 33, IT-16146 Genova, Italy Physikalisches Institut, Philosophenweg 12, D-69120 Heidelberg, Germany ZITI Ruprecht-Karls-University Heidelberg, Lehrstuhl für Informatik V, B6, 23-29, DE-68131 Mannheim, Germany Università Del Salento, Dipartimento di Fisica, Via Arnesano, IT-73100 Lecce, Italy Università di Milano, Dipartimento di Fisica, via Celoria 16, IT-20133 Milano, Italy Università di Napoli, Dipartimento di Scienze Fisiche, Complesso Universitario di Monte sant'Angelo, via Cinthia, IT-80126 Napoli, Italy Università di Pavia, Dipartimento di Fisica Nucleare e Teorica, Via Bassi 6, IT-27100 Pavia, Italy Università di Pisa, Dipartimento di Fisica E. Fermi, Largo B. Pontecorvo 3, IT-56127 Pisa, Italy Universidad de Granada, Departamento de Fisica Teorica y Del Cosmos and CAFPE, E-18071 Granada, Spain Università la Sapienza, Dipartimento di Fisica, Piazzale A. Moro 2, IT-00185 Roma, Italy Università di Roma Tor Vergata, Dipartimento di Fisica, via della Ricerca Scientifica, IT-00133 Roma, Italy Università Roma Tre, Dipartimento di Fisica, via della Vasca Navale 84, IT-00146 Roma, Italy Université Mohamed Premier, LPTPM, Faculté des Sciences, B.P.717. Bd. Mohamed VI, 60000, Oujda, Morocco Université Mohammed v, Faculté des Sciences, 4 Avenue Ibn Battouta, 10000 Rabat, Morocco Institute of Experimental Physics, Slovak Academy of Sciences, Dept. of Subnuclear Physics, Watsonova 47, SK-04353 Kosice, Slovakia Oskar Klein Centre, AlbaNova, SE-106 91 Stockholm, Sweden York University, Department of Physics and Astronomy, 4700 Keele St., Toronto, ON, M3J 1P3, Canada ICTP, Strada Costiera 11, IT-34014, Trieste, Italy Università di Udine, Dipartimento di Fisica, Via delle Scienze 208, IT-33100 Udine, Italy
Palabras clave:	High energy physics; Phase space methods; Tellurium compounds; Centre-of-mass energies; Charged particle multiplicities; Model independent; Particle multiplicity; Phase space regions; Proton proton collisions; Pseudorapidities; Transverse momenta; Charged particles
Año:	2011
Volumen:	13
DOI:	http://dx.doi.org/10.1088/1367-2630/13/5/053033
Título revista:	New Journal of Physics
Título revista abreviado:	New J. Phys.
ISSN:	13672630
Registro:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13672630_v13_n_p_Multitudinario

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Citas:

---------- APA ----------

(2011) . Charged-particle multiplicities in ppinteractions measured with the ATLAS detector at the LHC. New Journal of Physics, 13.
http://dx.doi.org/10.1088/1367-2630/13/5/053033

---------- CHICAGO ----------

Multitudinario:3047. "Charged-particle multiplicities in ppinteractions measured with the ATLAS detector at the LHC" . New Journal of Physics 13 (2011).
http://dx.doi.org/10.1088/1367-2630/13/5/053033

---------- MLA ----------

Multitudinario:3047. "Charged-particle multiplicities in ppinteractions measured with the ATLAS detector at the LHC" . New Journal of Physics, vol. 13, 2011.
http://dx.doi.org/10.1088/1367-2630/13/5/053033

---------- VANCOUVER ----------

Multitudinario:3047. Charged-particle multiplicities in ppinteractions measured with the ATLAS detector at the LHC. New J. Phys. 2011;13.
http://dx.doi.org/10.1088/1367-2630/13/5/053033