Measurement of φ3 with Dalitz plot analysis of B±→D(*)K± decay -: art. no. 072003

被引：101

作者：

Poluektov, A ^{[1
]}

Abe, K

Abe, T

Aihara, H

Asano, Y

Aushev, T

Aziz, T

Bahinipati, S

Bakich, AM

Bedny, I

Bitenc, U

Bizjak, I

Blyth, S

Bondar, A

Bozek, A

Bracko, M

Brodzicka, J

Browder, TE

Chang, P

Chao, Y

Cheon, BG

Chistov, R

Choi, SK

Choi, Y

Chuvikov, A

Danilov, M

Dash, M

Dong, LY

Eidelman, S

Eiges, V

Enari, Y

Fratina, S

Gabyshev, N

Garmash, A

Gershon, T

Gokhroo, G

Golob, B

Guo, R

Haba, J

Hara, T

Hayasaka, K

Hayashii, H

Hazumi, M

Higuchi, T

Hinz, L

Hokuue, T

Hoshi, Y

Hou, WS

Hsiung, YB

Imoto, A

机构：

[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[2] Chiba Univ, Chiba, Japan

[3] Chonnam Natl Univ, Kwangju, South Korea

[4] Univ Cincinnati, Cincinnati, OH 45221 USA

[5] Gyeongsang Natl Univ, Chinju, South Korea

[6] Univ Hawaii, Honolulu, HI 96822 USA

[7] High Energy Accelerator Res Org, Tsukuba, Ibaraki, Japan

[8] Hiroshima Inst Technol, Hiroshima, Japan

[9] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

[10] Inst High Energy Phys, Vienna, Austria

[11] Inst Theoret & Expt Phys, Moscow 117259, Russia

[12] Jozef Stefan Inst, Ljubljana, Slovenia

[13] Kanagawa Univ, Yokohama, Kanagawa, Japan

[14] Korea Univ, Seoul 136701, South Korea

[15] Kyungpook Natl Univ, Taegu 702701, South Korea

[16] Ecole Polytech Fed Lausanne, Swiss Fed Inst Technol Lausanne, CH-1015 Lausanne, Switzerland

[17] Univ Ljubljana, Ljubljana, Slovenia

[18] Univ Maribor, SLO-2000 Maribor, Slovenia

[19] Univ Melbourne, Parkville, Vic 3052, Australia

[20] Nagoya Univ, Nagoya, Aichi, Japan

[21] Nara Womens Univ, Nara 630, Japan

[22] Natl Kaohsiung Normal Univ, Kaohsiung, Taiwan

[23] Natl United Univ, Miaoli, Taiwan

[24] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan

[25] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

[26] Nihon Dent Coll, Niigata, Japan

[27] Niigata Univ, Niigata, Japan

[28] Osaka City Univ, Osaka 558, Japan

[29] Osaka Univ, Osaka, Japan

[30] Panjab Univ, Chandigarh 160014, India

[31] Peking Univ, Beijing 100871, Peoples R China

[32] Princeton Univ, Princeton, NJ 08545 USA

[33] Saga Univ, Saga 840, Japan

[34] Univ Sci & Technol China, Hefei 230026, Peoples R China

[35] Seoul Natl Univ, Seoul, South Korea

[36] Sungkyunkwan Univ, Suwon, South Korea

[37] Univ Sydney, Sydney, NSW 2006, Australia

[38] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

[39] Toho Univ, Funabashi, Chiba 274, Japan

[40] Tohoku Gakuin Univ, Tagajo, Miyagi, Japan

[41] Tohoku Univ, Sendai, Miyagi 980, Japan

[42] Univ Tokyo, Dept Phys, Tokyo 113, Japan

[43] Tokyo Inst Technol, Tokyo 152, Japan

[44] Tokyo Metropolitan Univ, Tokyo 158, Japan

[45] Tokyo Univ Agr & Technol, Tokyo, Japan

[46] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan

[47] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[48] Yonsei Univ, Seoul 120749, South Korea

来源：

PHYSICAL REVIEW D | 2004年 / 70卷 / 07期

基金：

澳大利亚研究理事会; 中国国家自然科学基金; 日本学术振兴会;

关键词：

D O I：

10.1103/PhysRevD.70.072003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a measurement of the unitarity triangle angle phi(3) using a Dalitz plot analysis of the three-body decay of the neutral D meson from the B+/--->(DK+/-)-K-(*) process. The method employs the interference between D-0 and (D) over bar (0) to extract both the weak and strong phases. We apply this method to a 140 fb(-1) data sample collected by the Belle experiment. The analysis uses the modes B+/--->DK+/- and B+/--->(DK+/-)-K-*, D-*-->Dpi(0), where the neutral D meson decays into K(S)pi(+)pi(-). We obtain 146 signal candidates for B+/--->DK+/- and 39 candidates for B+/--->(DK+/-)-K-*. From a combined maximum likelihood fit to the B+/--->DK+/- and B+/--->(DK+/-)-K-* modes, we obtain phi(3)=77(-19degrees)(+degrees17)degrees (stat)+/-13degrees(syst)+/-11degrees(model). The corresponding 2 standard deviation interval is 26degrees<phi(3)<126degrees.

引用

页码：072003 / 1

页数：14

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