Charged-Particle Multiplicity Density at Midrapidity in Central Pb-Pb Collisions at ffiffiffiffiffiffiffiffi sNN p 1⁄4 2 : 76 TeV
A. Khanzadeev,Y. Kharlov,B. Kileng,D. J. Kim,D. S. Kim,D. W. Kim,H. N. Kim,J. H. Kim,J. S. Kim,M. Kim,S. Kim,S. H. Kim,S. Kirsch,I. Kisel,S. Kiselev,A. Kisiel,J. L. Klay,J. Klein,C. Klein-Bösing,M. Kliemant,A. Klovning,A. Kluge,M. L. Knichel,K. Koch,M. K. Köhler,R. Kolevatov,A. Kolojvari,V. Kondratiev,N. Kondratyeva,A. Konevskih,E. Kornaś,C. Kottachchi Kankanamge Don,R. Kour,M. Kowalski,S. Kox,G. Koyithatta Meethaleveedu,K. Kozlov,J. Kral,I. Králik,F. Kramer,I. Kraus,T. Krawutschke,M. Kretz,M. Krivda,D. Krumbhorn,M. Krus,E. Kryshen,M. Krzewicki,Y. Kucheriaev,C. Kuhn,P. G. Kuijer,P. Kurashvili,A. Kurepin,A. B. Kurepin,A. Kuryakin,S. Kushpil,V. Kushpil,M. J. Kweon,Y. Kwon,P. La Rocca,P. Ladrón de Guevara,V. Lafage,C. Lara,A. Lardeux,D. T. Larsen,C. Lazzeroni,Y. Le Bornec,R. Lea,K. S. Lee,F. Lefèvre,J. Lehnert,L. Leistam,M. Lenhardt,V. Lenti,I. León Monzón,H. León Vargas,P. Lévai,X. Li,J. Lien,R. Lietava,S. Lindal,V. Lindenstruth,C. Lippmann,M. A. Lisa,L. Liu,P. I. Loenne,V. R. Loggins,V. Loginov,S. Lohn,C. Loizides,K. K. Loo,X. Lopez,M. López Noriega,E. López Torres,G. Løvhøiden,X.-G. Lu,P. Luettig,M. Lunardon,G. Luparello,L. Luquin,C. Luzzi,D. M. Madagodahettige-Don,A. Maevskaya,M. Mager,D. P. Mahapatra,A. Maire,D. Mal’Kevich,M. Malaev,I. Maldonado Cervantes,L. Malinina,P. Malzacher,A. Mamonov,L. Manceau,L. Mangotra,V. Manko,F. Manso,J. Mareš,G. V. Margagliotti,A. Margotti,C. Markert,I. Martashvili,P. Martinengo,S. Masciocchi,M. Masera,A. Masoni,L. Massacrier,M. Mastromarco,A. Mastroserio,Z. L. Matthews,A. Matyja,D. Mayani,C. Mayer,F. Meddi,A. Menchaca-Rocha,P. Mendez Lorenzo,D. Miśkowiec,J. Mlynarz,A. K. Mohanty,B. Mohanty,L. Molnar,L. Montaño Zetina,M. Monteno,E. Montes,M. Morando,D. A. Moreira De Godoy,S. Moretto,A. Morsch,V. Muccifora,E. Mudnic,S. Muhuri,H. Müller,J. Munoz,L. Musa,A. Musso,R. Nania,E. Nappi,F. Navach,S. Navin,S. Nazarenko,G. Nazarov,A. Nedosekin,F. Nendaz,J. Newby,T. Niida,S. Nikolaev,V. Nikolic,S. Nikulin,V. Nikulin,B. S. Nilsen,F. Noferini,G. Nooren,N. Novitzky,A. Nyanin,A. Nyatha,C. Nygaard,J. Nystrand,H. Obayashi,A. Ochirov,H. Oeschler,C. Oppedisano,G. Ortona,F. Painke,C. Pajares,A. Palaha,A. Palmeri,V. Paticchio,A. Pavlinov,T. Peitzmann,D. Peresunko,C. E. Pérez Lara,D. Perini,D. Perrino,W. Peryt,A. Pesci,Y. Pestov,V. Petráček,M. Petris,P. Petrov,M. Petrovici,F. Piuz,T. Pocheptsov,Cc,S. Pochybova,K. Polák,B. Polichtchouk,B. Potukuchi,F. Prino,I. Pshenichnov,J. Putschke,E. Quercigh,H. Qvigstad,W. Riegler,D. Rohr,P. Rosinský,P. Rosnet,S. Rossegger,A. Rossi,A. Rivetti,A. Sandoval
semanticscholar（2010）
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摘要
sNN p 1⁄4 2:76 TeV is presented. For an event sample corresponding to the most central 5% of the hadronic cross section, the pseudorapidity density of primary charged particles at midrapidity is 1584 4ðstatÞ 76ðsystÞ, which corresponds to 8:3 0:4ðsystÞ per participating nucleon pair. This represents an increase of about a factor 1.9 relative to pp collisions at similar collision energies, and about a factor 2.2 to central Au-Au collisions at ffiffiffiffiffiffiffiffi
