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新山 雅之 所属 京都産業大学 理学部 物理科学科 職種 教授 |
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| 言語種別 | 英語 |
| 発行・発表の年月 | 2005/02 |
| 形態種別 | 研究論文 |
| 査読 | 査読あり |
| 標題 | phi photo-production from Li, C, Al, and Cu nuclei at E-gamma=1.5-2.4 GeV |
| 執筆形態 | その他 |
| 掲載誌名 | PHYSICS LETTERS B |
| 出版社・発行元 | ELSEVIER |
| 巻・号・頁 | 608(3-4),pp.215-222 |
| 著者・共著者 | T Ishikawa,DS Ahn,JK Ahn,H Akimune,WC Chang,S Date,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 Murakami,N Muramatsu,H Nakamura,M Nakamura,T Nakano,M Niiyama,M Nomachi,Y Ohashi,T Ooba,DS Oshuev,C Rangacharyulu,A Sakaguchi,Y Shiino,Y Sakemi,H Shimizu,Y Sugaya,M Sumihama,Y Toi,H Toyokawa,CW Wang,T Yorita,M Yosoi,RGT Zegers |
| 概要 | The photo-production of phi mesons from Li, C, Al, and Cu at forward angles has been measured at Egamma = 1.5-2.4 GeV. The number of events for incoherent phi photo-production is found to have a target mass number dependence of A(0.72+/-0.07) in the kinematical region of vertical bart\ less than or equal to 0.6 GeV2/c(2). The total cross section of the phi-nucleon interaction, sigmaphi(N), has been estimated as 35(-)(11)(+)(17) mb using the A-dependence of the phi photo-production yield and a Glauber-type multiple scattering theory. This value is much larger than sigmaphi(N) in free space, suggesting that the phi properties might change in the nuclear medium. (C) 2005 Elsevier B.V. All rights reserved. |
| DOI | 10.1016/j.physletb.2005.01.023 |
| ISSN | 0370-2693/1873-2445 |