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

R. Arnaldi; K. Banicz; J. Castor; B. Chaurand; C. Cicalò; A. Colla; P. Cortese; S. Damjanovic; A. David; A. De Falco; A. Devaux; L. Ducroux; H. En'Yo; J. Fargeix; A. Ferretti; M. Floris; A. Förster; P. Force; N. Guettet; A. Guichard; H. Gulkanian; J. M. Heuser; M. Keil; L. Kluberg; C. Lourenço; J. Lozano; F. Manso; P. Martins; A. Masoni; A. Neves; H. Ohnishi; C. Oppedisano; P. Parracho; P. Pillot; T. Poghosyan; G. Puddu; E. Radermacher; P. Ramalhete; P. Rosinsky; E. Scomparin; J. Seixas; S. Serci; R. Shahoyan; P. Sonderegger; H. J. Specht; R. Tieulent; G. Usai; R. Veenhof; H. K. Wöhri

doi:10.1103/PhysRevLett.99.132302

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

R. Arnaldi, K. Banicz, J. Castor, B. Chaurand, C. Cicalò, A. Colla, P. Cortese, S. Damjanovic, A. David, A. De Falco, A. Devaux, L. Ducroux, H. En'Yo, J. Fargeix, A. Ferretti, M. Floris, A. Förster, P. Force, N. Guettet, A. GuichardH. Gulkanian, J. M. Heuser, M. Keil, L. Kluberg, C. Lourenço, J. Lozano, F. Manso, P. Martins, A. Masoni, A. Neves, H. Ohnishi, C. Oppedisano, P. Parracho, P. Pillot, T. Poghosyan, G. Puddu, E. Radermacher, P. Ramalhete, P. Rosinsky, E. Scomparin, J. Seixas, S. Serci, R. Shahoyan, P. Sonderegger, H. J. Specht, R. Tieulent, G. Usai, R. Veenhof, H. K. Wöhri

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111 Citations (Scopus)

Abstract

The NA60 experiment studies muon pair production at the CERN Super Proton Synchrotron. In this Letter we report on a precision measurement of J/ψ in In-In collisions. We have studied the J/ψ 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 ∼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.

Original language	English
Article number	132302
Journal	Physical review letters
Volume	99
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.99.132302
Publication status	Published - 2007 Sep 26
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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Arnaldi, R., Banicz, K., Castor, J., Chaurand, B., Cicalò, 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., Förster, A., Force, P., Guettet, N., ... Wöhri, H. K. (2007). J/ψ production in indium-indium collisions at 158GeV/nucleon. Physical review letters, 99(13), [132302]. https://doi.org/10.1103/PhysRevLett.99.132302

J/ψ production in indium-indium collisions at 158GeV/nucleon. / Arnaldi, R.; Banicz, K.; Castor, J.; Chaurand, B.; Cicalò, 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.; Förster, A.; Force, P.; Guettet, N.; Guichard, A.; Gulkanian, H.; Heuser, J. M.; Keil, M.; Kluberg, L.; Lourenço, 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.; Wöhri, H. K.

In: Physical review letters, Vol. 99, No. 13, 132302, 26.09.2007.

Research output: Contribution to journal › Article › peer-review

Arnaldi, R, Banicz, K, Castor, J, Chaurand, B, Cicalò, 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, Förster, A, Force, P, Guettet, N, Guichard, A, Gulkanian, H, Heuser, JM, Keil, M, Kluberg, L, Lourenço, 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, HJ, Tieulent, R, Usai, G, Veenhof, R & Wöhri, HK 2007, 'J/ψ production in indium-indium collisions at 158GeV/nucleon', Physical review letters, vol. 99, no. 13, 132302. https://doi.org/10.1103/PhysRevLett.99.132302

Arnaldi, R. ; Banicz, K. ; Castor, J. ; Chaurand, B. ; Cicalò, 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. ; Förster, A. ; Force, P. ; Guettet, N. ; Guichard, A. ; Gulkanian, H. ; Heuser, J. M. ; Keil, M. ; Kluberg, L. ; Lourenço, 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. ; Wöhri, H. K. / J/ψ production in indium-indium collisions at 158GeV/nucleon. In: Physical review letters. 2007 ; Vol. 99, No. 13.

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title = "J/ψ production in indium-indium collisions at 158GeV/nucleon",

abstract = "The NA60 experiment studies muon pair production at the CERN Super Proton Synchrotron. In this Letter we report on a precision measurement of J/ψ in In-In collisions. We have studied the J/ψ 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 ∼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.",

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AU - Banicz, K.

AU - Castor, J.

AU - Chaurand, B.

AU - Cicalò, C.

AU - Colla, A.

AU - Cortese, P.

AU - Damjanovic, S.

AU - David, A.

AU - De Falco, A.

AU - Devaux, A.

AU - Ducroux, L.

AU - En'Yo, H.

AU - Fargeix, J.

AU - Ferretti, A.

AU - Floris, M.

AU - Förster, A.

AU - Force, P.

AU - Guettet, N.

AU - Guichard, A.

AU - Gulkanian, H.

AU - Heuser, J. M.

AU - Keil, M.

AU - Kluberg, L.

AU - Lourenço, C.

AU - Lozano, J.

AU - Manso, F.

AU - Martins, P.

AU - Masoni, A.

AU - Neves, A.

AU - Ohnishi, H.

AU - Oppedisano, C.

AU - Parracho, P.

AU - Pillot, P.

AU - Poghosyan, T.

AU - Puddu, G.

AU - Radermacher, E.

AU - Ramalhete, P.

AU - Rosinsky, P.

AU - Scomparin, E.

AU - Seixas, J.

AU - Serci, S.

AU - Shahoyan, R.

AU - Sonderegger, P.

AU - Specht, H. J.

AU - Tieulent, R.

AU - Usai, G.

AU - Veenhof, R.

AU - Wöhri, H. K.

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

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