Measurement of the in-medium Φ-meson width in proton–nucleus collisions

Polyanskiy, A.; Hartmann, M.; Kiselev, Yu. T.; Paryev, E. Ya.; Büscher, M.; Chiladze, D.; Dymov, S.; Dzyuba, A.; Gebel, R.; Hejny, V.; Kämpfer, B.; Keshelashvili, I.; Koptev, V.; Lorentz, B.; Maeda, Y.; Merzliakov, S.; Mikirtytchiants, S.; Nekipelov, M.; Ohm, H.; Schade, H.; Serdyuk, V.; Sibirtsev, A.; Sinitsyna, V. Y.; Stein, H. J.; Ströher, H.; Trusov, S.; Valdau, Yu.; Wilkin, C.; Wüstner, P.

doi:10.1016/j.physletb.2010.10.050

Measurement of the in-medium Φ-meson width in proton–nucleus collisions

Journal Article · Thu Oct 28 00:00:00 EDT 2010 · Physics Letters. B

DOI:https://doi.org/10.1016/j.physletb.2010.10.050· OSTI ID:1008150

Polyanskiy, A. ^[1]; Hartmann, M. ^[2]; Kiselev, Yu. T. ^[3]; Paryev, E. Ya. ^[4]; Büscher, M. ^[2]; Chiladze, D. ^[5]; Dymov, S. ^[6]; Dzyuba, A. ^[7]; Gebel, R. ^[2]; Hejny, V. ^[2]; Kämpfer, B. ^[8]; Keshelashvili, I. ^[9]; Koptev, V. ^[7]; Lorentz, B. ^[2]; Maeda, Y. ^[10]; Merzliakov, S. ^[11]; Mikirtytchiants, S. ^[7]; Nekipelov, M. ^[2]; Ohm, H. ^[2]; Schade, H. ^[8] more »

Julich Research Centre (Germany); Inst. for Theoretical and Experimental Physics, Moscow (Russia)
Julich Research Centre (Germany)
Inst. for Theoretical and Experimental Physics, Moscow (Russia)
Russian Academy of Sciences (RAS), Moscow (Russian Federation)
Julich Research Centre (Germany); Tbilisi State Univ. (Germany)
Univ. of Erlangen, Nuremberg (Germany); Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation)
Petersburg Nuclear Physics Inst., Gathina (Russia)
Helmholtz-Zentrum Dresden Rossendorf (Germany)
Univ. of Basel (Switzerland)
Osaka Univ. (Japan)
Julich Research Centre (Germany); Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation)
Julich Research Centre (Germany); Univ. of Bonn (Germany); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
P.N. Lebedev Physical Inst., Moscow (Russia)
Helmholtz-Zentrum Dresden Rossendorf (Germany); Lomonosov Moscow State Univ., Moscow (Russia)
Julich Research Centre (Germany); Petersburg Nuclear Physics Inst., Catchina (Russia)
UCI, London (United Kingdom)

We measured the production of Φ mesons in the collisions of 2.83 GeV protons with C, Cu, Ag, and Au at forward angles via the Φ → K⁺K^- decay using the COSY-ANKE magnetic spectrometer. The Φ meson production cross section follows a target mass dependence of A^0.56±0.02 in the momentum region of 0.6-1.6 GeV/c. Moreover, the comparison of the data with model calculations suggests that the in-medium Φ width is about an order of magnitude larger than its free value.

View Accepted Manuscript (DOE)

Research Organization:: Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC05-06OR23177

OSTI ID:: 1008150

Alternate ID(s):: OSTI ID: 21496068

Report Number(s):: DOE/OR/23177--1483; JLAB-THY--10-1195; arXiv:1008.0232

Journal Information:: Physics Letters. B, Journal Name: Physics Letters. B Journal Issue: 1-4 Vol. 695; ISSN 0370-2693

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Chiral dynamics of baryon resonances and hadrons in a nuclear medium Oset, E.; Cabrera, D.; Magas, V. K. Pramana, Vol. 66, Issue 4 https://doi.org/10.1007/BF02704803	journal	April 2006
ANKE, a new facility for medium energy hadron physics at COSY-Jülich Barsov, S.; Bechstedt, U.; Bothe, W. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 462, Issue 3 https://doi.org/10.1016/S0168-9002(00)01147-5	journal	April 2001
Identification of K+-mesons from subthreshold pA collisions with ANKE at COSY-Jülich Büscher, M.; Junghans, H.; Koptev, V. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 481, Issue 1-3 https://doi.org/10.1016/S0168-9002(01)01401-2	journal	April 2002
Modification of the φ-meson spectrum in nuclear matter Klingl, F.; Waas, T.; Weise, W. Physics Letters B, Vol. 431, Issue 3-4 https://doi.org/10.1016/S0370-2693(98)00491-2	journal	July 1998
decay in nuclei Oset, E.; Ramos, A. Nuclear Physics A, Vol. 679, Issue 3-4 https://doi.org/10.1016/S0375-9474(00)00363-8	journal	January 2001
φ-meson and unitary symmetry model Okubo, S. Physics Letters, Vol. 5, Issue 2 https://doi.org/10.1016/S0375-9601(63)92548-9	journal	June 1963
QCD sum rules for vector mesons in the nuclear medium Hatsuda, Tetsuo; Lee, Su Houng Physical Review C, Vol. 46, Issue 1 https://doi.org/10.1103/PhysRevC.46.R34	journal	July 1992
φ meson mass and decay width in nuclear matter Cabrera, D.; Vicente Vacas, M. J. Physical Review C, Vol. 67, Issue 4 https://doi.org/10.1103/PhysRevC.67.045203	journal	April 2003
ϕ meson production in near-threshold proton-nucleus collisions Barz, H. W.; Zétényi, M. Physical Review C, Vol. 69, Issue 2 https://doi.org/10.1103/PhysRevC.69.024605	journal	February 2004
ϕ meson width in the medium from proton induced ϕ production in nuclei Magas, V. K.; Roca, L.; Oset, E. Physical Review C, Vol. 71, Issue 6 https://doi.org/10.1103/PhysRevC.71.065202	journal	June 2005
Kaon pair production in proton-proton collisions Maeda, Y.; Hartmann, M.; Keshelashvili, I. Physical Review C, Vol. 77, Issue 1 https://doi.org/10.1103/PhysRevC.77.015204	journal	January 2008
Absorption of the ω and ϕ Mesons in Nuclei Wood, M. H.; Nasseripour, R.; Paolone, M. Physical Review Letters, Vol. 105, Issue 11 https://doi.org/10.1103/PhysRevLett.105.112301	journal	September 2010
Inclusive Pion Production in Collisions of Relativistic Protons, Deuterons, Alphas, and Carbon Ions with Nuclei Papp, J.; Jaros, J.; Schroeder, L. Physical Review Letters, Vol. 34, Issue 10 https://doi.org/10.1103/PhysRevLett.34.601	journal	March 1975
Precision Measurement of the Quasifree p n → d ϕ Reaction Close to Threshold Maeda, Y.; Hartmann, M.; Keshelashvili, I. Physical Review Letters, Vol. 97, Issue 14 https://doi.org/10.1103/PhysRevLett.97.142301	journal	October 2006
Evidence for In-Medium Modification of the ϕ Meson at Normal Nuclear Density Muto, R.; Chiba, J.; En’yo, H. Physical Review Letters, Vol. 98, Issue 4 https://doi.org/10.1103/PhysRevLett.98.042501	journal	January 2007
The Near-Threshold Production of ϕ-Mesons in Proton–Nucleon Collisions Hartmann, M.; Maeda, Y.; Keshelashvili, I. International Journal of Modern Physics A, Vol. 22, Issue 02n03 https://doi.org/10.1142/S0217751X07035483	journal	January 2007
Hadrons in Strongly Interacting Matter Leupold, Stefan; Metag, Volker; Mosel, Ulrich International Journal of Modern Physics E, Vol. 19, Issue 02 https://doi.org/10.1142/S0218301310014728	journal	February 2010
A Systematics and Phenomenology of Meson Family Iizuka, Jugoro Progress of Theoretical Physics Supplement, Vol. 37 https://doi.org/10.1143/PTPS.37.21	journal	January 1966

Cited By (3)

Holographically emulating sequential versus instantaneous disappearance of vector mesons in a hot environment Zöllner, R.; Kämpfer, B. Physical Review C, Vol. 94, Issue 4 https://doi.org/10.1103/physrevc.94.045205	journal	October 2016
Strong Absorption of Hadrons with Hidden and Open Strangeness in Nuclear Matter Adamczewski-Musch, J.; Arnold, O.; Atomssa, E. T. Physical Review Letters, Vol. 123, Issue 2 https://doi.org/10.1103/physrevlett.123.022002	journal	July 2019
Strong absorption of hadrons with hidden and open strangeness in nuclear matter Adamczewski-Musch, J.; Arnold, O.; Atomssa, E. T. arXiv https://doi.org/10.48550/arxiv.1812.03728	text	January 2018

Figures / Tables (3)

Table 1(p. 3)

Fig. 1(p. 2)

Fig. 2(p. 3)

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