Neutral B flavor tagging for the measurement of mixing-induced CP violation at Belle

被引：133
作者：
Kakuno, H
Hara, K
Casey, BCK
Chen, KF
Hamasaki, H
Hazumi, M
Iijima, T
Katayama, N
Okabe, T
Sakai, Y
Sumisawa, K
Suzuki, J
Tomura, T
Ueno, K
Wang, CC
Watanabe, Y
机构：
[1] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan
[2] Osaka Univ, Dept Phys, Osaka 5600043, Japan
[3] Univ Hawaii, Honolulu, HI 96822 USA
[4] Natl Taiwan Univ, Taipei 10764, Taiwan
[5] High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan
[6] Nagoya Univ, Nagoya, Aichi, Japan
[7] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 533卷 / 03期
关键词：
flavor tagging; CP violation; sin 2 phi(1); B-0-B-0; mixing;
D O I：
10.1016/j.nima.2004.06.159
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We describe a flavor tagging algorithm used in measurements of the CP violation parameter sin 2phi(1) at the Belle experiment. Efficiencies and wrong tag fractions are evaluated using flavor-specific B meson decays into hadronic and semileptonic modes. We achieve a total effective efficiency of 28.8 +/- 0.6%. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：516 / 531
页数：16
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