Energy Dependence of Nuclear Transparency in C(p,2p) Scattering

Energy Dependence of Nuclear Transparency in C(p,2p) Scattering

Phys.Rev.Lett. 87 (2001) 212301 The transparency of carbon for (p,2p) quasi-elastic events was measured at beam energies ranging from 6 to 14.5 GeV at 90 degrees c.m. The four momentum transfer squared q*q ranged from 4.8 to 16.9 (GeV/c)**2. We present the observed energy dependence of the ratio of...

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Hauptverfasser: Leksanov, A, Alster, J, Asryan, G, Averichev, Y, Barton, D, Baturin, V, Bukhtoyarova, N, Carroll, A, Heppelmann, S, Kawabata, T, Makdisi, Y, Minina, E, Navon, I, Malki, A, Nicholson, H, Ogawa, A, Panebratsev, Yu, Piasetzky, E, Schetkovsky, A, Shimanskiy, S, Tang, A, Watson, J. W, Yoshida, H, Zhalov, D
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Sprache:eng
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Physics - High Energy Physics - Experiment
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Zusammenfassung:Phys.Rev.Lett. 87 (2001) 212301 The transparency of carbon for (p,2p) quasi-elastic events was measured at beam energies ranging from 6 to 14.5 GeV at 90 degrees c.m. The four momentum transfer squared q*q ranged from 4.8 to 16.9 (GeV/c)**2. We present the observed energy dependence of the ratio of the carbon to hydrogen cross sections. We also apply a model for the nuclear momentum distribution of carbon to normalize this transparency ratio. We find a sharp rise in transparency as the beam energy is increased to 9 GeV and a reduction to approximately the Glauber level at higher energies.
DOI:10.48550/arxiv.hep-ex/0104039