G. Antchev, P. Aspell, I. Atanassov, I. Atanassov, V. Avati, J. Baechler, V. Berardi, M. Berretti, E. Bossini, M. Bozzo, P. Brogi, E. Brücken, A. Buzzo, F. Cafagna, M. Calicchio, M. Catanesi, C. Covault, M. Csanád, T. Csörgő, M. Deile, K. Eggert, V. Eremin, R. Ferretti, F. Ferro, A. Fiergolski, F. García, S. Giani, V. Greco, V. Greco, L. Grzanka, L. Grzanka, J. Heino, T. Hildén, M. Intonti, J. Kašpar, J. Kopal, V. Kundr'at, K. Kurvinen, S. Lami, G. Latino, R. Lauhakangas, T. Leszko, É. Lippmaa, M. Lokajicek, M. Vetere, F. L. Rodríguez, M. Macr'i, L. Magaletti, T. Mäki, A. Mercadante, N. Minafra, S. Minutoli, F. Nemes, F. Nemes, H. Niewiadomski, E. Oliveri, F. Oljemark, R. Orava, M. Oriunno, M. Oriunno, K. Osterberg, P. Palazzi, J. Proch'azka, M. Quinto, E. Radermacher, E. Radicioni, F. Ravotti, E. Robutti, L. Ropelewski, G. Ruggiero, H. Saarikko, A. Santroni, A. Scribano, W. Snoeys, J. Sziklai, C. Taylor, N. Turini, V. Vacek, M. Vitek, J. Welti, J. Whitmore
{"title":"用TOTEM实验测量√s = 7 TeV pp碰撞中正向带电粒子的赝快度密度","authors":"G. Antchev, P. Aspell, I. Atanassov, I. Atanassov, V. Avati, J. Baechler, V. Berardi, M. Berretti, E. Bossini, M. Bozzo, P. Brogi, E. Brücken, A. Buzzo, F. Cafagna, M. Calicchio, M. Catanesi, C. Covault, M. Csanád, T. Csörgő, M. Deile, K. Eggert, V. Eremin, R. Ferretti, F. Ferro, A. Fiergolski, F. García, S. Giani, V. Greco, V. Greco, L. Grzanka, L. Grzanka, J. Heino, T. Hildén, M. Intonti, J. Kašpar, J. Kopal, V. Kundr'at, K. Kurvinen, S. Lami, G. Latino, R. Lauhakangas, T. Leszko, É. Lippmaa, M. Lokajicek, M. Vetere, F. L. Rodríguez, M. Macr'i, L. Magaletti, T. Mäki, A. Mercadante, N. Minafra, S. Minutoli, F. Nemes, F. Nemes, H. Niewiadomski, E. Oliveri, F. Oljemark, R. Orava, M. Oriunno, M. Oriunno, K. Osterberg, P. Palazzi, J. Proch'azka, M. Quinto, E. Radermacher, E. Radicioni, F. Ravotti, E. Robutti, L. Ropelewski, G. Ruggiero, H. Saarikko, A. Santroni, A. Scribano, W. Snoeys, J. Sziklai, C. Taylor, N. Turini, V. Vacek, M. Vitek, J. Welti, J. Whitmore","doi":"10.1209/0295-5075/98/31002","DOIUrl":null,"url":null,"abstract":"The TOTEM experiment has measured the charged-particle pseudorapidity density dNch/dη in pp collisions at for 5.3<|η|<6.4 in events with at least one charged particle with transverse momentum above 40 MeV/c in this pseudorapidity range. This extends the analogous measurement performed by the other LHC experiments to the previously unexplored forward η region. The measurement refers to more than 99% of non-diffractive processes and to single and double diffractive processes with diffractive masses above ∼3.4 GeV/c2, corresponding to about 95% of the total inelastic cross-section. The dNch/dη has been found to decrease with |η|, from 3.84 ± 0.01(stat) ± 0.37(syst) at |η|=5.375 to 2.38±0.01(stat)±0.21(syst) at |η|=6.375. Several MC generators have been compared to data; none of them has been found to fully describe the measurement.","PeriodicalId":171520,"journal":{"name":"EPL (Europhysics Letters)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"58","resultStr":"{\"title\":\"Measurement of the forward charged-particle pseudorapidity density in pp collisions at √s = 7 TeV with the TOTEM experiment\",\"authors\":\"G. Antchev, P. Aspell, I. Atanassov, I. Atanassov, V. Avati, J. Baechler, V. Berardi, M. Berretti, E. Bossini, M. Bozzo, P. Brogi, E. Brücken, A. Buzzo, F. Cafagna, M. Calicchio, M. Catanesi, C. Covault, M. Csanád, T. Csörgő, M. Deile, K. Eggert, V. Eremin, R. Ferretti, F. Ferro, A. Fiergolski, F. García, S. Giani, V. Greco, V. Greco, L. Grzanka, L. Grzanka, J. Heino, T. Hildén, M. Intonti, J. Kašpar, J. Kopal, V. Kundr'at, K. Kurvinen, S. 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The measurement refers to more than 99% of non-diffractive processes and to single and double diffractive processes with diffractive masses above ∼3.4 GeV/c2, corresponding to about 95% of the total inelastic cross-section. The dNch/dη has been found to decrease with |η|, from 3.84 ± 0.01(stat) ± 0.37(syst) at |η|=5.375 to 2.38±0.01(stat)±0.21(syst) at |η|=6.375. 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Measurement of the forward charged-particle pseudorapidity density in pp collisions at √s = 7 TeV with the TOTEM experiment
The TOTEM experiment has measured the charged-particle pseudorapidity density dNch/dη in pp collisions at for 5.3<|η|<6.4 in events with at least one charged particle with transverse momentum above 40 MeV/c in this pseudorapidity range. This extends the analogous measurement performed by the other LHC experiments to the previously unexplored forward η region. The measurement refers to more than 99% of non-diffractive processes and to single and double diffractive processes with diffractive masses above ∼3.4 GeV/c2, corresponding to about 95% of the total inelastic cross-section. The dNch/dη has been found to decrease with |η|, from 3.84 ± 0.01(stat) ± 0.37(syst) at |η|=5.375 to 2.38±0.01(stat)±0.21(syst) at |η|=6.375. Several MC generators have been compared to data; none of them has been found to fully describe the measurement.
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