φ photo-production from Li, C, Al, and Cu nuclei at E γ=1.5-2.4 GeV

T. Ishikawa, D. S. Ahn, J. K. Ahn, H. Akimune, W. C. Chang, S. Daté, H. Fujimura, M. Fujiwara, K. Hicks, T. Hotta, K. Imai, H. Kawai, K. Kino, H. Kohri, T. Matsumura, T. Mibe, K. Miwa, M. Miyabe, M. Morita, T. MurakamiN. Muramatsu, H. Nakamura, M. Nakamura, T. Nakano, M. Niiyama, M. Nomachi, Y. Ohashi, T. Ooba, D. S. Oshuev, C. Rangacharyulu, A. Sakaguchi, Y. Shiino, Y. Sakemi, H. Shimizu, Y. Sugaya, M. Sumihama, Y. Toi, H. Toyokawa, C. W. Wang, T. Yorita, M. Yosoi, R. G.T. Zegers

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140 Citations (Scopus)

Abstract

The photo-production of φ mesons from Li, C, Al, and Cu at forward angles has been measured at Eγ = 1.5-2.4 GeV. The number of events for incoherent φ photo-production is found to have a target mass number dependence of A0.72±0.07 in the kinematical region of |t| ≤ 0.6 GeV2/c2. The total cross section of the φ-nucleon interaction, σφN, has been estimated as 35 -11+17 mb using the A-dependence of the φ photo-production yield and a Glauber-type multiple scattering theory. This value is much larger than σφN in free space, suggesting that the φ properties might change in the nuclear medium.

Original languageEnglish
Pages (from-to)215-222
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume608
Issue number3-4
DOIs
Publication statusPublished - 2005 Feb 24

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Ishikawa, T., Ahn, D. S., Ahn, J. K., Akimune, H., Chang, W. C., Daté, S., Fujimura, H., Fujiwara, M., Hicks, K., Hotta, T., Imai, K., Kawai, H., Kino, K., Kohri, H., Matsumura, T., Mibe, T., Miwa, K., Miyabe, M., Morita, M., ... Zegers, R. G. T. (2005). φ photo-production from Li, C, Al, and Cu nuclei at E γ=1.5-2.4 GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 608(3-4), 215-222. https://doi.org/10.1016/j.physletb.2005.01.023