φ production in In-In collisions at 158 A GeV

被引:2
|
作者
Arnaldi, R. [1 ]
Banicz, K. [2 ,3 ]
Borer, K. [1 ]
Castor, J. [4 ,5 ]
Chaurand, B. [6 ,7 ]
Chen, W. [8 ]
Cicalo, C. [9 ]
Colla, A. [10 ,11 ]
Cortese, P. [10 ,11 ]
Damjanovic, S. [2 ,3 ]
David, A. [2 ,12 ]
de Falco, A. [9 ,13 ]
Devaux, A. [4 ,5 ]
Ducroux, L. [14 ]
En'yo, H. [15 ]
Fargeix, J. [4 ,5 ]
Ferretti, A. [10 ,11 ]
Floris, M. [9 ,13 ]
Foerster, A. [2 ]
Force, P. [4 ,5 ]
Guettet, N. [2 ,4 ,5 ]
Guichard, A. [14 ]
Gulkanyan, H. [16 ]
Heuser, J. [15 ]
Keil, M. [2 ,12 ]
Li, Z. [8 ]
Lourenco, C. [2 ]
Lozano, J. [12 ]
Manso, F. [4 ,5 ]
Martins, P. [2 ,12 ]
Masoni, A. [9 ]
Neves, A. [12 ]
Ohnishi, H. [15 ]
Oppedisano, C. [11 ]
Parracho, P. [2 ,12 ]
Pillot, P. [14 ]
Poghosyan, T. [16 ]
Puddu, G. [9 ,13 ]
Radermacher, E. [2 ]
Ramalhete, P. [2 ,12 ]
Rosinsky, P. [2 ]
Scomparin, E. [11 ]
Seixas, J. [12 ]
Serci, S. [9 ,13 ]
Shahoyan, R. [2 ,12 ]
Sonderegger, P. [12 ]
Specht, H. J. [3 ]
Tieulent, R. [14 ]
Uras, A. [9 ,13 ]
Usai, G. [9 ,13 ]
机构
[1] High Energy Phys Lab, Bern, Switzerland
[2] CERN, Geneva, Switzerland
[3] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany
[4] Univ Blaise Pascal, Clermont Ferrand, France
[5] Univ Clermont Ferrand 2, Photochim Mol & Macromol Lab, CNRS, IN2P3, F-63177 Clermont Ferrand, France
[6] Ecole Polytech, LLR, Palaiseau, France
[7] Ecole Polytech, CNRS, IN2P3, F-91128 Palaiseau, France
[8] BNL, Upton, NY USA
[9] Ist Nazl Fis Nucl, Cagliari, Italy
[10] Univ Turin, Turin, Italy
[11] Ist Nazl Fis Nucl, I-10125 Turin, Italy
[12] Inst Super Tecn, Lisbon, Portugal
[13] Univ Cagliari, Cagliari, Italy
[14] Univ Lyon 1, CNRS, IPNL, IN2P3, F-69622 Villeurbanne, France
[15] RIKEN, Saitama, Japan
[16] Yerevan Phys Inst, Yerevan 375036, Armenia
关键词
D O I
10.1088/0954-3899/37/9/094030
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The NA60 experiment at the CERN SPS studied phi production in In-In collisions at 158 A GeV via muon and kaon decay channels. The yields and transverse mass spectra observed in the two channels are compatible within errors. The results are compared to the previous measurements in Pb-Pb collisions, where large discrepancies were observed between NA50 (muon pairs) and NA49 (kaon pairs).
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页数:7
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