J/ψ production in indium-indium collisions at 158 GeV/Nucleon

被引：100

作者：

Arnaldi, R. ^{[1
]}

Banicz, K.

Castor, J.

Chaurand, B.

Cicalo, C.

Colla, A.

Cortese, P.

Damjanovic, S.

David, A.

de Falco, A.

Devaux, A.

Ducroux, L.

En'yo, H.

Fargeix, J.

Ferretti, A.

Floris, M.

Forster, A.

Force, P.

Guettet, N.

Guichard, A.

Gulkanian, H.

Heuser, J. M.

Keil, M.

Kluberg, L.

Lourenco, C.

Lozano, J.

Manso, F.

Martins, P.

Masoni, A.

Neves, A.

Ohnishi, H.

Oppedisano, C.

Parracho, P.

Pillot, P.

Poghosyan, T.

Puddu, G.

Radermacher, E.

Ramalhete, P.

Rosinsky, P.

Scomparin, E.

Seixas, J.

Serci, S.

Shahoyan, R.

Sonderegger, P.

Specht, H. J.

Tieulent, R.

Usai, G.

Veenhof, R.

Wohri, H. K.

机构：

[1] Univ Turin, Turin, Italy

[2] Univ Cagliari, Cagliari, Italy

[3] Ist Nazl Fis Nucl, Cagliari, Italy

[4] CERN, CH-1211 Geneva 23, Switzerland

[5] Univ Blaise Pascal, LPC, Clermont Ferrand, France

[6] CNRS, IN2P3, Clermont Ferrand, France

[7] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany

[8] Inst Super Tecn, Lisbon, Portugal

[9] Ecole Polytech, LLR, Palaiseau, France

[10] CNRS, IN2P3, Palaiseau, France

[11] RIKEN, Wako, Saitama 35101, Japan

[12] Univ Lyon 1, IPN Lyon, F-69365 Lyon, France

[13] CNRS, IN2P3, Lyon, France

[14] Yerevan Phys Inst, YerPhI, Yerevan 375036, Armenia

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.99.132302

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The NA60 experiment studies muon pair production at the CERN Super Proton Synchrotron. In this Letter we report on a precision measurement of J/psi in In-In collisions. We have studied the J/psi centrality distribution, and we have compared it with the one expected if absorption in cold nuclear matter were the only active suppression mechanism. For collisions involving more than similar to 80 participant nucleons, we find that an extra suppression is present. This result is in qualitative agreement with previous Pb-Pb measurements by the NA50 experiment, but no theoretical explanation is presently able to coherently describe both results.

引用

页数：4

共 50 条

[11] ψ′ production in Pb–Pb collisions at 158 GeV/nucleon
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[12] Anomalous J/ψ suppression in In-In collisions at 158 GeV/nucleon
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Colla, A.
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Damjanovic, S.
David, A.
De Falco, A.
Devaux, A.
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Heuser, J.
Keil, M.
Kluberg, L.
Lourenco, C.
Lozano, J.
Manso, F.
Masoni, A.
Martins, P.
Neves, A.
Ohnishi, H.
Oppedisano, C.
Parracho, P.
Pillot, P.
Puddu, G.
Radermacher, E.
Ramalhete, P.
Rosinsky, P.
Scomparin, E.
Seixas, J.
Serci, S.
Shahoyan, R.
Sonderegger, P.
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[13] ψ′ production in Pb-Pb collisions at 158 GeV/nucleon
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Comets, M. P.
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De Falco, A.
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Dita, S.
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EUROPEAN PHYSICAL JOURNAL C, 2007, 49 (02): : 559 - 567
[14] PHASE EQUILIBRIA IN THE SYSTEM INDIUM-INDIUM PHOSPHIDE
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[15] φ production in In–In collisions at 158 A GeV
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The European Physical Journal C, 2009, 64 : 1 - 18
[16] STANDARD REDUCTION POTENTIAL OF THE INDIUM-INDIUM(III) ELECTRODE
VANHEES, J
FRANCOIS, JP
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JOURNAL OF PHYSICAL CHEMISTRY, 1981, 85 (12) : 1713 - 1718
[17] A MICROSTRUCTURAL STUDY OF INDIUM-INDIUM OXIDE COMPOSITE FILMS
KWON, C
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[18] φ production in In-In collisions at 158 A GeV
Arnaldi, R.
Banicz, K.
Borer, K.
Castor, J.
Chaurand, B.
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Cicalo, C.
Colla, A.
Cortese, P.
Damjanovic, S.
David, A.
de Falco, A.
Devaux, A.
Ducroux, L.
En'yo, H.
Fargeix, J.
Ferretti, A.
Floris, M.
Foerster, A.
Force, P.
Guettet, N.
Guichard, A.
Gulkanyan, H.
Heuser, J.
Keil, M.
Kluberg, L.
Li, Z.
Lourenco, C.
Lozano, J.
Manso, F.
Martins, P.
Masoni, A.
Neves, A.
Ohnishi, H.
Oppedisano, C.
Parracho, P.
Pillot, P.
Poghosyan, T.
Puddu, G.
Radermacher, E.
Ramalhete, P.
Rosinsky, P.
Scomparin, E.
Seixas, J.
Serci, S.
Shahoyan, R.
Sonderegger, P.
Specht, H. J.
Tieulent, R.
Uras, A.
EUROPEAN PHYSICAL JOURNAL C, 2009, 64 (01): : 1 - 18
[19] J/ψ production in proton-nucleus collisions at 158 and 400 GeV
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Cicalo, C.
Colla, A.
Cortese, P.
Damjanovic, S.
David, A.
de Falco, A.
Devaux, A.
Ducroux, L.
En'yo, H.
Fargeix, J.
Ferretti, A.
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Foerster, A.
Force, P.
Guettet, N.
Guichard, A.
Gulkanian, H.
Heuser, J. M.
Keil, M.
Li, Z.
Lourenco, C.
Lozano, J.
Manso, F.
Martins, P.
Masoni, A.
Neves, A.
Ohnishi, H.
Oppedisano, C.
Parracho, P.
Pillot, P.
Poghosyan, T.
Puddu, G.
Radermacher, E.
Ramalhete, P.
Rosinsky, P.
Scomparin, E.
Seixas, J.
Serci, S.
Shahoyan, R.
Sonderegger, P.
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[20] φ production in In-In collisions at 158 A GeV
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Banicz, K.
Borer, K.
Castor, J.
Chaurand, B.
Chen, W.
Cicalo, C.
Colla, A.
Cortese, P.
Damjanovic, S.
David, A.
de Falco, A.
Devaux, A.
Ducroux, L.
En'yo, H.
Fargeix, J.
Ferretti, A.
Floris, M.
Foerster, A.
Force, P.
Guettet, N.
Guichard, A.
Gulkanyan, H.
Heuser, J.
Keil, M.
Li, Z.
Lourenco, C.
Lozano, J.
Manso, F.
Martins, P.
Masoni, A.
Neves, A.
Ohnishi, H.
Oppedisano, C.
Parracho, P.
Pillot, P.
Poghosyan, T.
Puddu, G.
Radermacher, E.
Ramalhete, P.
Rosinsky, P.
Scomparin, E.
Seixas, J.
Serci, S.
Shahoyan, R.
Sonderegger, P.
Specht, H. J.
Tieulent, R.
Uras, A.
Usai, G.
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 2010, 37 (09)

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