Measurement of the time-dependent CP-violating asymmetry in B0→KS0π0γ decays -: art. no. 051103

被引：18

作者：

Aubert, B ^{[1
]}

Barate, R

Boutigny, D

Couderc, F

Karyotakis, Y

Lees, JP

Poireau, V

Tisserand, V

Zghiche, A

Grauges, E

Palano, A

Pappagallo, M

Pompili, A

Chen, JC

Qi, ND

Rong, G

Wang, P

Zhu, YS

Eigen, G

Ofte, I

Stugu, B

Abrams, GS

Battaglia, M

Breon, AB

Brown, DN

Button-Shafer, J

Cahn, RN

Charles, E

Day, CT

Gill, MS

Gritsan, AV

Groysman, Y

Jacobsen, RG

Kadel, RW

Kadyk, J

Kerth, LT

Kolomensky, YG

Kukartsev, G

Lynch, G

Mir, LM

Oddone, PJ

Orimoto, TJ

Pripstein, M

Roe, NA

Ronan, MT

Wenzel, WA

Barrett, M

Ford, KE

Harrison, TJ

Hart, AJ

机构：

[1] Phys Particules Lab, F-74941 Annecy Le Vieux, France

[2] Univ Autonoma Barcelona, IFAE, E-08193 Barcelona, Spain

[3] Univ Bari, Dipartmento Fis, I-70126 Bari, Italy

[4] Ist Nazl Fis Nucl, I-70126 Bari, Italy

[5] Inst High Energy Phys, Beijing 100039, Peoples R China

[6] Univ Bergen, Inst Phys, N-5007 Bergen, Norway

[7] Univ Calif Berkeley, Berkeley, CA 94720 USA

[8] Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[9] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

[10] Ruhr Univ Bochum, Inst Expt Phys, D-44780 Bochum, Germany

[11] Univ Bristol, Bristol BS8 1TL, Avon, England

[12] Univ British Columbia, Vancouver, BC V6T 1Z1, Canada

[13] Brunel Univ, Uxbridge UB8 3PH, Middx, England

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

[15] Univ Calif Irvine, Irvine, CA 92697 USA

[16] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[17] Univ Calif Riverside, Riverside, CA 92521 USA

[18] Univ Calif San Diego, La Jolla, CA 92093 USA

[19] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

[20] Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA

[21] CALTECH, Pasadena, CA 91125 USA

[22] Univ Cincinnati, Cincinnati, OH 45221 USA

[23] Univ Colorado, Boulder, CO 80309 USA

[24] Colorado State Univ, Ft Collins, CO 80523 USA

[25] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany

[26] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany

[27] Ecole Polytech, LLR, F-91128 Palaiseau, France

[28] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland

[29] Univ Ferrara, Dipartmento Fis, I-44100 Ferrara, Italy

[30] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy

[31] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[32] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy

[33] Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[34] Harvard Univ, Cambridge, MA 02138 USA

[35] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[36] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England

[37] Univ Iowa, Iowa City, IA 52242 USA

[38] Iowa State Univ, Ames, IA 50011 USA

[39] Lab Accelerateur Lineaire, F-91898 Orsay, France

[40] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[41] Univ Liverpool, Liverpool L69 72E, Merseyside, England

[42] Univ London, Queen Mary, London E1 4NS, England

[43] Univ London, Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England

[44] Univ Louisville, Louisville, KY 40292 USA

[45] Univ Manchester, Manchester M13 9PL, Lancs, England

[46] Univ Maryland, College Pk, MD 20742 USA

[47] Univ Massachusetts, Amherst, MA 01003 USA

[48] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA

[49] McGill Univ, Montreal, PQ H3A 2T8, Canada

[50] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.72.051103

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a measurement of the time-dependent CP-violating asymmetry in B-0-> K(*0)gamma decays with K-*0-> K(S)(0)pi(0) based on 232x10(6) Upsilon(4S)-> B (B) over bar decays collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) collider at SLAC. In a sample containing 157 +/- 16 signal decays, we measure S(K)(*0)gamma=-0.21 +/- 0.40 +/- 0.05 and C(K)(*0)gamma=-0.40 +/- 0.23 +/- 0.03, where the first error is statistical and the second systematic. We also explore B-0-> K(S)(0)pi(0)gamma decays with 1.1 < m(KS)(0)pi(0)< 1.8 GeV/c(2) and find 59 +/- 13 signal events with S(KS)(0)pi(0)gamma=0.9 +/- 1.0 +/- 0.2 and C(KS)(0)pi(0)gamma=-1.0 +/- 0.5 +/- 0.2.

引用

页数：8

共 50 条

[1] Measurement of the time-dependent CP-violating asymmetry in B0 → KS0π0γ decays -: art. no. 231601
Ushiroda, Y
Sumisawa, K
Hazumi, M
Abe, K
Abe, K
Adachi, I
Aihara, H
Asano, Y
Aulchenko, V
Aushev, T
Bakich, AM
Bay, A
Bedny, I
Bitenc, U
Bizjak, I
Blyth, S
Bondar, A
Bozek, A
Bracko, M
Brodzicka, J
Browder, TE
Chang, MC
Chang, P
Chao, Y
Chen, A
Chen, KF
Chen, WT
Cheon, BG
Choi, SK
Choi, Y
Chuvikov, A
Cole, S
Dalseno, J
Danilov, M
Dash, M
Dragic, J
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Fang, F
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Gokhroo, G
Gorisek, A
Haba, J
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PHYSICAL REVIEW LETTERS, 2005, 94 (23)
[2] Measurement of time-dependent CP-violating asymmetries in B0→φKS0, K+K-KS0, and η′KS0 decays -: art. no. 261602
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PHYSICAL REVIEW LETTERS, 2003, 91 (26)
[3] Measurement of time-dependent CP-violating asymmetries in B0→K*0γ(K*0→KS0π0) decays -: art. no. 201801
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Qi, ND
Rong, G
Wang, P
Zhu, YS
Eigen, G
Ofte, I
Stugu, B
Abrams, GS
Borgland, AW
Breon, AB
Brown, DN
Button-Shafer, J
Cahn, RN
Charles, E
Day, CT
Gill, MS
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Groysman, Y
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[4] Measurements of CP-violating asymmetries in B0→Ks0π0 decays -: art. no. 131805
Aubert, B
Barate, R
Boutigny, D
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Gaillard, JM
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Karyotakis, Y
Lees, JP
Tisserand, V
Zghiche, A
Palano, A
Pompili, A
Chen, JC
Qi, ND
Rong, G
Wang, P
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Eigen, G
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Abrams, GS
Borgland, AW
Breon, AB
Brown, DN
Button-Shafer, J
Cahn, RN
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Shelkov, VG
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PHYSICAL REVIEW LETTERS, 2004, 93 (13) : 131805 - 1
[5] Measurement of time-dependent CP asymmetry in B0→KS0π0γ decays
Aubert, B.
Bona, M.
Karyotakis, Y.
Lees, J. P.
Poireau, V.
Prencipe, E.
Prudent, X.
Tisserand, V.
Tico, J. Garra
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Eigen, G.
Stugu, B.
Sun, L.
Abrams, G. S.
Battaglia, M.
Brown, D. N.
Cahn, R. N.
Jacobsen, R. G.
Kerth, L. T.
Kolomensky, Yu. G.
Lynch, G.
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Aubert, B
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[8] Measurement of the time-dependent CP asymmetry in B0 → J/ψKS0 decays
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PHYSICS LETTERS B, 2013, 721 (1-3) : 24 - 31
[9] Measurement of time-dependent CP-violating parameters in B0→KS0KS0 decays
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[10] Measurement of time-dependent CP-Violating asymmetries in B0→Ks0Ks0Ks0 decay -: art. no. 061801
Sumisawa, K
Ushiroda, Y
Hazumi, M
Abe, K
Abe, K
Adachi, I
Aihara, H
Asano, Y
Aulchenko, V
Aushev, T
Bakich, AM
Bitenc, U
Bizjak, I
Blyth, S
Bondar, A
Bozek, A
Bracko, M
Brodzicka, J
Browder, TE
Chao, Y
Chen, A
Chen, KF
Chen, WT
Cheon, BG
Chistov, R
Choi, Y
Chuvikov, A
Cole, S
Dalseno, J
Danilov, M
Dash, M
Drutskoy, A
Eidelman, S
Enari, Y
Fang, F
Fratina, S
Gabyshev, N
Garmash, A
Gershon, T
Gokhroo, G
Golob, B
Gorisek, A
Haba, J
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Hokuue, T
Hoshi, Y
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PHYSICAL REVIEW LETTERS, 2005, 95 (06)

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