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

被引：134

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

页码：516 / 531

页数：16

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