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MEASUREMENTS OF CROSS-SECTION AND ASYMMETRY FOR E(+)E(-)-]B(B)OVER-BAR AND HEAVY-QUARK FRAGMENTATION AT KEK-TRISTAN
LIU, F; CHINITZ, LM; ABE, K; BREEDON, RE; FUJII, Y; KURIHARA, Y; MAKI, A; NOZAKI, T; OMORI, T; SAGAWA, H; SAKAI, Y; SASAKI, T; SUGIMOTO, Y; TAKAIWA, Y; TERADA, S; KIRK, P; CHENG, CP; GAO, WX; YAN, WG; YE, MH; ABASHIAN, A; GOTOW, K; MATTSON, ME; PIILONEN, L; STERNER, KL; LUSIN, S; ROSENFELD, C; WILSON, S; ZHENG, LY; FRY, CA; TANAKA, R; KO, W; LANDER, RL; ROWE, J; SMITH, JR; STUART, D; KANDA, S; OLSEN, SL; UENO, K; KAJINO, F; POLING, R; THOMAS, T; ASO, T; MIYANO, K; MIYATA, H; OKUBO, K; OYOSHI, M; SHIRAI, M; YAMASHITA, Y; LEE, MH; SANNES, F; SCHNETZER, S; STONE, R; VINSON, J; BODEK, A; KIM, BJ; KUMITA, T; LI, YK; VELISARRIS, C; WALKER, RC; KOBAYASHI, S; MURAKAMI, A; SAHU, SK; ZOMORRODIAN, ME; CHUNG, YS; CHO, DK; KANG, JS; KIM, DY; LEE, KB; PARK, KW; KIM, SK; MYUNG, SS; CHOI, SK; SON, D; EBARA, S; MATSUMOTO, S; TAKASHIMIZU, N; ISHIZUKA, T
刊名PHYSICAL REVIEW D
1994
卷号49期号:9页码:4339-4347
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.49.4339
通讯作者INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA ; SSC LAB,DALLAS,TX 75237 ; KONAN UNIV,KOBE 658,JAPAN ; NIHON DENT COLL,NIIGATA 951,JAPAN ; KOREA UNIV,SEOUL 136701,SOUTH KOREA ; SEOUL NATL UNIV,SEOUL 151742,SOUTH KOREA ; KYUNGPOOK NATL UNIV,TAEGU 702701,SOUTH KOREA ; CHUO UNIV,TOKYO 112,JAPAN ; LOUISIANA STATE UNIV,BATON ROUGE,LA 70803 ; VIRGINIA POLYTECH INST & STATE UNIV,BLACKSBURG,VA 24061 ; UNIV S CAROLINA,COLUMBIA,SC 29208 ; UNIV CALIF DAVIS,DAVIS,CA 95616 ; UNIV HAWAII,HONOLULU,HI 96822 ; UNIV MINNESOTA,MINNEAPOLIS,MN 55455 ; NIIGATA UNIV,NIIGATA 95021,JAPAN ; RUTGERS STATE UNIV,PISCATAWAY,NJ 08854 ; UNIV ROCHESTER,ROCHESTER,NY 14627 ; SAGA UNIV,SAGA 840,JAPAN ; SAITAMA UNIV,URAWA,SAITAMA 338,JAPAN
文章类型Article
英文摘要Using 773 muons found in hadronic events from 142 pb-1 of data at a c.m. energy of 57.8 GeV, we extract the cross section and forward-backward charge asymmetry for the e+e- --> bbBAR process, and the heavy quark fragmentation function parameters for the Peterson model. For the analysis of the e+e- --> bbBAR process, we use a method in which the behavior of the c quark and lighter quarks is assumed, with only that of the b quark left indeterminate. The cross section and asymmetry for e+e- --> bbBAR are found to be R(b) = 0.57 +/- 0.06(stat) +/- 0.08(syst) and A(b) = -0.59 +/- 0.09 +/- 0.09, respectively. They are consistent with the standard model predictions. For the study of the fragmentation function we use the variable [x(e)], the fraction of the beam energy carried by the heavy hadrons. We obtain [x(E)]c = 0.56(-0.05-0.03)+0.04+0.03 and [x(E)]b = 0.65(-0.04-0.06)+0.06+0.05, respectively. These are in good agreement with previously measured values.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]Astronomy & Astrophysics ; Physics
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语种英语
WOS记录号WOS:A1994NK06500006
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239975
专题中国科学院高能物理研究所_计算中心_期刊论文
作者单位中国科学院高能物理研究所
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LIU, F,CHINITZ, LM,ABE, K,et al. MEASUREMENTS OF CROSS-SECTION AND ASYMMETRY FOR E(+)E(-)-]B(B)OVER-BAR AND HEAVY-QUARK FRAGMENTATION AT KEK-TRISTAN[J]. PHYSICAL REVIEW D,1994,49(9):4339-4347.
APA LIU, F.,CHINITZ, LM.,ABE, K.,BREEDON, RE.,FUJII, Y.,...&ISHIZUKA, T.(1994).MEASUREMENTS OF CROSS-SECTION AND ASYMMETRY FOR E(+)E(-)-]B(B)OVER-BAR AND HEAVY-QUARK FRAGMENTATION AT KEK-TRISTAN.PHYSICAL REVIEW D,49(9),4339-4347.
MLA LIU, F,et al."MEASUREMENTS OF CROSS-SECTION AND ASYMMETRY FOR E(+)E(-)-]B(B)OVER-BAR AND HEAVY-QUARK FRAGMENTATION AT KEK-TRISTAN".PHYSICAL REVIEW D 49.9(1994):4339-4347.
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