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J/ψ and ψ production and their normal nuclear absorption in proton-nucleus collisions at 400 GeV

  • B. Alessandro
  • C. Alexa
  • R. Arnaldi
  • M. Atayan
  • S. Beolè
  • V. Boldea
  • P. Bordalo
  • G. Borges
  • J. Castor
  • B. Chaurand
  • B. Cheynis
  • E. Chiavassa
  • C. Cicalò
  • M.P. Comets
  • S. Constantinescu
  • P. Cortese
  • A. De Falco
  • N. De Marco
  • G. Dellacasa
  • A. Devaux
  • S. Dita
  • J. Fargeix
  • P. Force
  • M. Gallio
  • C. Gerschel
  • P. Giubellino
  • M.B. Golubeva
  • A. Grigoryan
  • J.Y. Grossiord
  • F.F. Guber
  • A. Guichard
  • H. Gulkanyan
  • M. Idzik
  • D. Jouan
  • T.L. Karavicheva
  • L. Kluberg
  • A.B. Kurepin
  • Y. Le Bornec
  • C. Lourenço
  • M. Mac Cormick
  • A. Marzari-Chiesa
  • M. Masera
  • A. Masoni
  • M. Monteno
  • A. Musso
  • P. Petiau
  • A. Piccotti
  • J.R. Pizzi
  • F. Prino
  • G. Puddu
  • C. Quintans
  • L. Ramello
  • S. Ramos
  • L. Riccati
  • H. Santos
  • P. Saturnini
  • E. Scomparin
  • S. Serci
  • R. Shahoyan
  • M. Sitta
  • P. Sonderegger
  • X. Tarrago
  • N.S. Topilskaya
  • G.L. Usai
  • E. Vercellin
  • L. Villatte
  • N. Willis
  • The NA50 Collaboration
Regular Article - Experimental Physics

Abstract

We report a new measurement of J/ψ, ψ and Drell–Yan cross-sections, in the kinematical domain -0.425<ycm<0.575 and -0.5<cosθCS<0.5, performed at the CERN-SPS using 400 GeV/c incident protons on Be, Al, Cu, Ag, W and Pb targets. The dependence of the charmonia production cross-sections on the size of the target nucleus allows to quantify the so-called normal nuclear absorption. In the framework of the Glauber model, this new measurement is combined with results previously obtained with the same apparatus, under different experimental conditions, and leads to a precise determination of the J/ψ and ψ absorption cross-sections in the surrounding nuclear matter.

Keywords

Systematic Uncertainty Parton Distribution Function Open Charm Charmonium State Glauber Model 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • B. Alessandro
    • 10
  • C. Alexa
    • 3
  • R. Arnaldi
    • 10
  • M. Atayan
    • 12
  • S. Beolè
    • 10
  • V. Boldea
    • 3
  • P. Bordalo
    • 6
    • 13
  • G. Borges
    • 6
  • J. Castor
    • 2
  • B. Chaurand
    • 9
  • B. Cheynis
    • 11
  • E. Chiavassa
    • 10
  • C. Cicalò
    • 4
  • M.P. Comets
    • 8
  • S. Constantinescu
    • 3
  • P. Cortese
    • 1
  • A. De Falco
    • 4
  • N. De Marco
    • 10
  • G. Dellacasa
    • 1
  • A. Devaux
    • 2
  • S. Dita
    • 3
  • J. Fargeix
    • 2
  • P. Force
    • 2
  • M. Gallio
    • 10
  • C. Gerschel
    • 8
  • P. Giubellino
    • 10
  • M.B. Golubeva
    • 7
  • A. Grigoryan
    • 12
  • J.Y. Grossiord
    • 11
  • F.F. Guber
    • 7
  • A. Guichard
    • 11
  • H. Gulkanyan
    • 12
  • M. Idzik
    • 10
    • 14
  • D. Jouan
    • 8
  • T.L. Karavicheva
    • 7
  • L. Kluberg
    • 9
  • A.B. Kurepin
    • 7
  • Y. Le Bornec
    • 8
  • C. Lourenço
    • 5
  • M. Mac Cormick
    • 8
  • A. Marzari-Chiesa
    • 10
  • M. Masera
    • 10
  • A. Masoni
    • 4
  • M. Monteno
    • 10
  • A. Musso
    • 10
  • P. Petiau
    • 9
  • A. Piccotti
    • 10
  • J.R. Pizzi
    • 11
  • F. Prino
    • 10
  • G. Puddu
    • 4
  • C. Quintans
    • 6
  • L. Ramello
    • 1
  • S. Ramos
    • 6
    • 13
  • L. Riccati
    • 10
  • H. Santos
    • 6
  • P. Saturnini
    • 2
  • E. Scomparin
    • 10
  • S. Serci
    • 4
  • R. Shahoyan
    • 6
    • 15
  • M. Sitta
    • 1
  • P. Sonderegger
    • 5
    • 13
  • X. Tarrago
    • 8
  • N.S. Topilskaya
    • 7
  • G.L. Usai
    • 4
  • E. Vercellin
    • 10
  • L. Villatte
    • 8
  • N. Willis
    • 8
  • The NA50 Collaboration
  1. 1.Università del Piemonte Orientale and INFN-TorinoAlessandriaItaly
  2. 2.LPC, Univ. Blaise Pascal and CNRS-IN2P3AubièreFrance
  3. 3.IFABucharestRomania
  4. 4.Università di Cagliari/INFNCagliariItaly
  5. 5.CERNGenevaSwitzerland
  6. 6.LIPLisbonPortugal
  7. 7.INRMoscowRussia
  8. 8.IPN, Univ. de Paris-Sud and CNRS-IN2P3OrsayFrance
  9. 9.LLR, Ecole Polytechnique and CNRS-IN2P3PalaiseauFrance
  10. 10.Università di Torino/INFNTorinoItaly
  11. 11.IPN, Univ. Claude Bernard Lyon-I and CNRS-IN2P3VilleurbanneFrance
  12. 12.YerPhIYerevanArmenia
  13. 13.IST, Universidade Técnica de LisboaLisbonPortugal
  14. 14.Faculty of Physics and Nuclear TechniquesAGH University of Science and TechnologyCracowPoland
  15. 15.YerPhIYerevanArmenia

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