Observation of a Near-Threshold Enhancement in the e(+) e(-)-> Lambda(+)(c) Lambda(-)(c) Cross Section Using Initial-State Radiation
文献类型：期刊论文
| 作者 | Pakhlova, G; Adachi, I; Aihara, H; Arinstein, K; Aulchenko, V; Aushev, T; Bakich, AM; Balagura, V; Bedny, I; Bhardwaj, V |
| 刊名 | PHYSICAL REVIEW LETTERS
 |
| 出版日期 | 2008 |
| 卷号 | 101期号:17页码:172001 |
| 通讯作者 | [Arinstein, K. ; Aulchenko, V. ; Bedny, I. ; Bondar, A. ; Eidelman, S. ; Gabyshev, N. ; Kuzmin, A. ; Poluektov, A. ; Shwartz, B. ; Usov, Y. ; Zhulanov, V. ; Zyukova, O.] Budker Inst Nucl Phys, Novosibirsk, Russia ; [Kawai, H.] Chiba Univ, Chiba, Japan ; [Kinoshita, K.] Univ Cincinnati, Cincinnati, OH 45221 USA ; [Lesiak, T.] T Kosciuszko Cracow Univ Technol, Krakow, Poland ; [Lange, J. S.] Univ Giessen, Giessen, Germany ; [Kim, Y. J.] Grad Univ Adv Studies, Hayama, Japan ; [Choi, S. -K.] Gyeongsang Natl Univ, Chinju, South Korea ; [Cheon, B. G. ; Unno, Y.] Hanyang Univ, Seoul 133791, South Korea ; [Browder, T. E. ; Li, J. ; Olsen, S. L. ; Sahoo, H. ; Shen, C. P. ; Varner, G.] Univ Hawaii, Honolulu, HI 96822 USA ; [Adachi, I. ; Brodzicka, J. ; Dalseno, J. ; Haba, J. ; Hazumi, M. ; Itoh, R. ; Iwasaki, Y. ; Katayama, N. ; Kichimi, H. ; Krokovny, P. ; Nakao, M. ; Nishida, S. ; Ozaki, H. ; Sakai, Y. ; Tanaka, M. ; Uehara, S. ; Uno, S. ; Yamauchi, M.] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki, Japan ; [Olsen, S. L. ; Wang, P. ; Wang, X. L. ; Yuan, C. Z. ; Zhang, C. C.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China ; [Mandl, F.] Inst High Energy Phys, Vienna, Austria ; [Shapkin, M. ; Sokolov, A.] Inst High Energy Phys, Protvino, Russia ; [Pakhlova, G. ; Aushev, T. ; Balagura, V. ; Chistov, R. ; Danilov, M. ; Liventsev, D. ; Mizuk, R. ; Pakhlov, P. ; Tikhomirov, I. ; Uglov, T.] Inst Theoret & Expt Phys, Moscow 117259, Russia ; [Bitenc, U. ; Bracko, M. ; Kinoshita, K. ; Krizan, P. ; Staric, M. ; Zivko, T. ; Zupanc, A.] Jozef Stefan Inst, Ljubljana, Slovenia ; [Okuno, S. ; Watanabe, Y.] Kanagawa Univ, Yokohama, Kanagawa, Japan ; [Ha, H. ; Won, E.] Korea Univ, Seoul, South Korea ; [Hyun, H. J. ; Kah, D. H. ; Kim, H. J. ; Kim, H. O. ; Kim, Y. I. ; Park, H. ; Park, H. K.] Kyungpook Natl Univ, Taegu 702701, South Korea ; [Aushev, T. ; Schneider, O.] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland ; [Krizan, P.] Univ Ljubljana, Fac Math & Phys, Ljubljana, Slovenia ; [Bracko, M.] Univ Maribor, SLO-2000 Maribor, Slovenia ; [Limosani, A. ; Taylor, G. N. ; Urquijo, P. ; Wedd, R.] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia ; [Hayasaka, K. ; Iijima, T. ; Inami, K. ; Miyazaki, Y. ; Mori, T. ; Ohshima, T. ; Senyo, K.] Nagoya Univ, Nagoya, Aichi 4648601, Japan ; [Miyabayashi, K. ; Noguchi, S.] Nara Womens Univ, Nara 630, Japan ; [Chen, A.] Natl Cent Univ, Chungli 32054, Taiwan ; [Wang, C. H.] Natl United Univ, Miaoli, Taiwan ; [Chang, P. ; Chiang, C. -C. ; Hou, W. -S. ; Hsiung, Y. B. ; Shiu, J. -G. ; Wang, M. -Z.] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan ; [Bozek, A. ; Lesiak, T. ; Matyja, A. ; Natkaniec, Z. ; Palka, H.] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland ; [Yamashita, Y.] Nippon Dent Univ, Niigata, Japan ; [Kawasaki, T. ; Miyata, H.] Niigata Univ, Niigata, Japan ; [Stanic, S.] Univ Nova Gorica, Nova Gorica, Slovenia ; [Nakano, E. ; Teramoto, Y.] Osaka City Univ, Osaka 558, Japan ; [Heffernan, D.] Osaka Univ, Osaka, Japan ; [Bhardwaj, V. ; Kumar, R. ; Singh, J. B.] Panjab Univ, Chandigarh 160014, India ; [Ishikawa, A.] Saga Univ, Saga 840, Japan ; [Liu, C. ; Zhang, Z. P.] Univ Sci & Technol China, Hefei 230026, Peoples R China ; [Kim, S. K. ; Lee, S. E.] Seoul Natl Univ, Seoul, South Korea ; [Choi, Y. ; Lee, J. S. ; Park, C. W.] Sungkyunkwan Univ, Suwon, South Korea ; [Bakich, A. M. ; Peak, L. S. ; Yabsley, B. D.] Univ Sydney, Sydney, NSW 2006, Australia ; [Ogawa, S.] Toho Univ, Funabashi, Chiba 274, Japan ; [Hoshi, Y.] Tohoku Gakuin Univ, Tagajo, Miyagi, Japan ; [Aihara, H. ; Iwasaki, M.] Univ Tokyo, Dept Phys, Tokyo 113, Japan ; [Ishino, H.] Tokyo Inst Technol, Tokyo 152, Japan ; [Sumiyoshi, T.] Tokyo Metropolitan Univ, Tokyo 158, Japan ; [Nitoh, O.] Tokyo Univ Agr & Technol, Tokyo, Japan ; [Dash, M. ; Piilonen, L. E.] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA ; [Cho, I. -S. ; Kang, J. H. ; Kwon, Y. -J. ; Kyeong, S. -H.] Yonsei Univ, Seoul 120749, South Korea |
| 英文摘要 | We report a measurement of the exclusive e(+) e(-) -> Lambda(+)(c)Lambda(-)(c) cross section as a function of center-of-mass energy near the Lambda(+)(c)Lambda(-)(c) threshold. A clear peak with a significance of 8.2 sigma is observed in the Lambda(+)(c)Lambda(-)(c) invariant mass distribution just above threshold. With an assumption of a resonance origin for the observed peak, a mass and width of M = [4634(-7)(+8)(stat)(-8)(+5)(syst)] MeV/c(2) and Gamma(tot) = [92(-24)(+40)(stat)(-21)(+10)(syst)] MeV are determined. The analysis is based on a study of events with initial-state-radiation photons in a data sample collected with the Belle detector at the Upsilon(4S) resonance and nearby continuum with an integrated luminosity of 695 fb(-1) at the KEKB asymmetric-energy e(+)e(-) collider. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Multidisciplinary |
| 研究领域[WOS] | Physics |
| 原文出处 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000260383600021 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/241018]  |
| 专题 | 高能物理研究所_实验物理中心 高能物理研究所_粒子天体物理中心 中国科学院高能物理研究所_国有资产处 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Pakhlova, G,Adachi, I,Aihara, H,et al. Observation of a Near-Threshold Enhancement in the e(+) e(-)-> Lambda(+)(c) Lambda(-)(c) Cross Section Using Initial-State Radiation[J]. PHYSICAL REVIEW LETTERS,2008,101(17):172001. |
| APA | Pakhlova, G.,Adachi, I.,Aihara, H.,Arinstein, K.,Aulchenko, V.,...&Zyukova, O.(2008).Observation of a Near-Threshold Enhancement in the e(+) e(-)-> Lambda(+)(c) Lambda(-)(c) Cross Section Using Initial-State Radiation.PHYSICAL REVIEW LETTERS,101(17),172001. |
| MLA | Pakhlova, G,et al."Observation of a Near-Threshold Enhancement in the e(+) e(-)-> Lambda(+)(c) Lambda(-)(c) Cross Section Using Initial-State Radiation".PHYSICAL REVIEW LETTERS 101.17(2008):172001. |
入库方式： OAI收割
来源：高能物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。