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| 題名: | Precision measurement of charged pion and kaon differential cross sections in e+e- annihilation at √s=10.52 GeV |
| 作者: | 陳鎰鋒;Leitgab, M.;Seidl, R.;Grosse Perdekamp, M.;Vossen, A.;Asner, D. M.;Aulchenko, V.;Aushev, T.;Bakich, A. M.;Bhuyan, B.;Bračko, M.;Chekelian, V.;Chen, P.;Cheon, B. G.;Chilikin, K.;Cho, K.;Chobanova, V.;Cinabro, D.;Dalseno, J.;Dutta, D.;Eidelman, S.;Fast, J. E.;Gillard, R.;Giordano, F.;Goh, Y. M.;Haba, J.;Hayasaka, K.;Hayashii, H.;Hoshi, Y.;Hou, W.-S.;Hyun, H. J.;Ishikawa, A.;Itoh, R.;Jacobs, W. W.;Julius, T.;Kawasaki, T.;Kim, H. J.;Kim, J. B.;Kim, J. H.;Kim, M. J.;Klucar, J.;Križan, P.;Krokovny, P.;Kwon, Y.-J.;Li, Y.;Liu, Z. Q.;Liventsev, D.;Matvienko, D.;Miyata, H.;Moll, A.;Muramatsu, N.;Nakano, E.;Nakao, M.;Nayak, M.;Nedelkovska, E.;Nisar, N. K.;Ogawa, S.;Okuno, S.;Olsen, S. L.;Oswald, C.;Park, H. K.;Pestotnik, R.;Petrič, M.;Röhrken, M.;Sakai, Y.;Sandilya, S.;Santelj, L.;Schnell, G.;Schwanda, C.;Senyo, K.;Sevior, M. E.;Shapkin, M.;Shiu, J.-G.;Sibidanov, A.;Simon, F.;Sohn, Y.-S.;Sokolov, A.;Solovieva, E.;Starič, M.;Sumihama, M.;Tatishvili, G.;Teramoto, Y.;Tsuboyama, T.;Uchida, M.;Uglov, T.;Unno, Y.;Uno, S.;Usov, Y.;Van Hulse, C.;Varner, G.;Vorobyev, V.;Wagner, M. N.;Wang, C. H.;Wang, J.;Wang, M.-Z.;Wang, P.;Watanabe, Y.;Williams, K. M.;Won, E.;Zhilich, V.;Zhulanov, V. |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2013-08-06 |
| 上傳時間: | 2026-04-23 12:40:19 (UTC+8) |
| 出版者: | American Physical Society;United States: American Physical Society |
| 摘要: | 摘要： Measurements of inclusive differential cross sections for charged pion and kaon production in e⁺e⁻ annihilation have been carried out at a center-of-mass energy of √s=10.52 GeV. The measurements were performed with the Belle detector at the KEKB e⁺e⁻ collider using a data sample containing 113×106 e⁺e⁻→qq¯ events, where q={u,d,s,c}. We present charge-integrated differential cross sections dσh±/dz for h±={π±,K±} as a function of the relative hadron energy z=2Eh/√s from 0.2 to 0.98. The combined statistical and systematic uncertainties for π± (K±) are 4% (4%) at z~0.6 and 15% (24%) at z~0.9. The cross sections are the first measurements of the z dependence of pion and kaon production for z>0.7 as well as the first precision cross section measurements at a center-of-mass energy far below the Z⁰ resonance used by the experiments at LEP and SLC.
出版者： United States: American Physical Society
出版日期： 2013-08-06
出處： Physical review letters, 2013-08, Vol.111 (6), Article 062002
資源來源： American Physical Society Journals
識別號： ISSN: 0031-9007
識別號： EISSN: 1079-7114
識別號： DOI: 10.1103/PhysRevLett.111.062002 |
| 顯示於類別: | [物理學系] 期刊論文
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