Measurement of the branching fraction and CP asymmetry for B → (D)over-bar0π decays

被引：2

作者：

Bloomfield, T. ^{[54
]}

Sevior, M. E. ^{[54
]}

Adachi, I. ^{[16
,21
]}

Aihara, H. ^{[90
]}

Al Said, S. ^{[39
,84
]}

Asner, D. M. ^{[3
]}

Aulchenko, V. ^{[4
,67
]}

Aushev, T. ^{[23
]}

Ayad, R. ^{[84
]}

Babu, V. ^{[8
]}

Bahinipati, S. ^{[26
]}

Behera, P. ^{[28
]}

Bennett, J. ^{[55
]}

Bessner, M. ^{[20
]}

Bilka, T. ^{[5
]}

Biswal, J. ^{[36
]}

Bobrov, A. ^{[4
,67
]}

Bonvicini, G. ^{[95
]}

Bozek, A. ^{[64
]}

Bracko, M. ^{[36
,52
]}

Browder, T. E. ^{[20
]}

Campajola, M. ^{[33
,59
]}

Cao, L. ^{[2
]}

Cervenkov, D. ^{[5
]}

Chang, M. -C ^{[11
]}

Chekelian, V. ^{[53
]}

Chen, A. ^{[61
]}

Cheon, B. G. ^{[18
,19
]}

Chilikin, K. ^{[46
]}

Cho, H. E. ^{[18
,19
]}

Cho, K. ^{[41
]}

Cho, S. -J. ^{[97
]}

Choi, S. -K. ^{[17
]}

Choi, Y. ^{[82
]}

Choudhury, S. ^{[27
]}

Cinabro, D. ^{[95
]}

Cunliffe, S. ^{[8
]}

Das, S. ^{[51
]}

Dash, N. ^{[28
]}

De Nardo, G. ^{[33
,59
]}

Dhamija, R. ^{[27
]}

Di Capua, F. ^{[33
,59
]}

Dolezal, Z. ^{[5
]}

V. Dong, T. ^{[12
,13
]}

Dubey, S. ^{[20
]}

Eidelman, S. ^{[4
,46
,67
]}

Epifanov, D. ^{[4
,67
]}

Ferber, T. ^{[8
]}

Ferlewicz, D. ^{[54
]}

Fulsom, B. G. ^{[69
]}

机构：

[1] Univ Basque Country UPV EHU, Dept Phys, Bilbao 48080, Spain

[2] Univ Bonn, D-53115 Bonn, Germany

[3] Brookhaven Natl Lab, Upton, NY 11973 USA

[4] RAS, Budker Inst Nucl Phys SB, Novosibirsk 630090, Russia

[5] Charles Univ Prague, Fac Math & Phys, Prague 12116, Czech Republic

[6] Chonnam Natl Univ, Gwangju 61186, South Korea

[7] Univ Cincinnati, Cincinnati, OH 45221 USA

[8] DESY, D-22607 Hamburg, Germany

[9] Duke Univ, Durham, NC 27708 USA

[10] Univ Florida, Gainesville, FL 32611 USA

[11] Fu Jen Catholic Univ, Dept Phys, Taipei 24205, Taiwan

[12] Fudan Univ, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200443, Peoples R China

[13] Fudan Univ, Inst Modern Phys, Shanghai 200443, Peoples R China

[14] Justus Liebig Univ Giessen, D-35392 Giessen, Germany

[15] Gifu Univ, Gifu 5011193, Japan

[16] SOKENDAI Grad Univ Adv Studies, Hayama, Kanagawa 2400193, Japan

[17] Gyeongsang Natl Univ, Jinju 52828, South Korea

[18] Hanyang Univ, Dept Phys, Seoul 04763, South Korea

[19] Hanyang Univ, Inst Nat Sci, Seoul 04763, South Korea

[20] Univ Hawaii, Honolulu, HI 96822 USA

[21] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan

[22] High Energy Accelerator Res Org KEK, KEK Theory Ctr, J PARC Branch, Tsukuba, Ibaraki 3050801, Japan

[23] Higher Sch Econ HSE, Moscow 101000, Russia

[24] Forschungszentrum Julich, D-52425 Julich, Germany

[25] Basque Fdn Sci, Ikerbasque, Bilbao 48013, Spain

[26] Indian Inst Technol Bhubaneswar, Satya Nagar 751007, India

[27] Indian Inst Technol Hyderabad, Hyderabad 502285, Telangana, India

[28] Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India

[29] Indiana Univ, Bloomington, IN 47408 USA

[30] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

[31] Inst High Energy Phys, A-1050 Vienna, Austria

[32] Inst High Energy Phys, Protvino 142281, Russia

[33] INFN, Sez Napoli, I-80126 Naples, Italy

[34] INFN, Sez Torino, I-10125 Turin, Italy

[35] Japan Atom Energy Agcy, Adv Sci Res Ctr, Naka, Ibaraki 3191195, Japan

[36] J Stefan Inst, Ljubljana 1000, Slovenia

[37] Karlsruher Inst Technol, Inst Expt Teilchenphys, D-76131 Karlsruhe, Germany

[38] Univ Tokyo, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan

[39] King Abdulaziz Univ, Fac Sci, Dept Phys, Jeddah 21589, Saudi Arabia

[40] Kitasato Univ, Sagamihara, Kanagawa 2520373, Japan

[41] Korea Inst Sci & Technol Informat, Daejeon 34141, South Korea

[42] Korea Univ, Seoul 02841, South Korea

[43] Kyoto Sangyo Univ, Kyoto 6038555, Japan

[44] Kyungpook Natl Univ, Daegu 41566, South Korea

[45] Univ Paris Saclay, CNRS, IN2P3, IJCLab, F-91405 Orsay, France

[46] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia

[47] Liaoning Normal Univ, Dalian 116029, Peoples R China

[48] Univ Ljubljana, Fac Math & Phys, Ljubljana 1000, Slovenia

[49] Ludwig Maximilians Univ Munchen, D-80539 Munich, Germany

[50] Luther Coll, Decorah, IA 52101 USA

来源：

PHYSICAL REVIEW D | 2022年 / 105卷 / 07期

基金：

欧盟地平线“2020”; 奥地利科学基金会; 美国国家科学基金会; 澳大利亚研究理事会; 新加坡国家研究基金会; 瑞士国家科学基金会; 欧洲研究理事会; 美国能源部;

关键词：

D O I：

10.1103/PhysRevD.105.072007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We measure the branching fractions and CP asymmetries for the decays B-0 -> (D) over bar (0)pi(0) and B+ -> (D) over bar (0)pi(+), using a data sample of 772 x 10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB e(+)e(-) collider. The branching fractions obtained and direct CP asymmetries are B(B-0 -> (D) over bar (0)pi(0)) = [2.70 +/- 0.06(stat) +/- 0.10(syst)] x 10(-4), B(B+ -> (D) over bar (0)pi+) = [4.53 +/- 0.02(stat) +/- 0.15(syst)] x 10(-3), A(CP)(B-0 -> (D) over bar (0)pi(0)) = [+/- 0.42 +/- 2.05(stat) +/- 1.22(syst)]%, and A(CP)((D) over bar (0)pi(+)) = [+0.19 +/- 0.36(stat) +/- 0.57(syst)]%. The measurements of B are the most precise to date and are in good agreement with previous results, as is the measurement of A(CP)((D) over bar (0)pi(+)). The measurement of A(CP) for B-0 -> (D) over bar (0)pi(0) is the first for this mode, and the value is consistent with Standard Model expectations.

引用

页数：13

共 50 条

[1] Branching fraction measurement of (B)over-bar0→ D(*)+π- and B-→ D(*)0π- and isospin analysis of (B)over-bar → D(*)π decays
Aubert, B.
Barate, R.
Bona, M.
Boutigny, D.
Couderc, F.
Karyotakis, Y.
Lees, J. P.
Poireau, V.
Tisserand, V.
Zghiche, A.
Grauges, E.
Palano, A.
Chen, J. C.
Qi, N. D.
Rong, G.
Wang, P.
Zhu, Y. S.
Eigen, G.
Ofte, I.
Stugu, B.
Abrams, G. S.
Battaglia, M.
Brown, D. N.
Button-Shafer, J.
Cahn, R. N.
Charles, E.
Gill, M. S.
Groysman, Y.
Jacobsen, R. G.
Kadyk, J. A.
Kerth, L. T.
Kolomensky, Yu. G.
Kukartsev, G.
Lynch, G.
Mir, L. M.
Orimoto, T. J.
Pripstein, M.
Roe, N. A.
Ronan, M. T.
Wenzel, W. A.
Sanchez, P. Del Amo
Barrett, M.
Ford, K. E.
Harrison, T. J.
Hart, A. J.
Hawkes, C. M.
Morgan, S. E.
Watson, A. T.
Held, T.
Koch, H.
PHYSICAL REVIEW D, 2007, 75 (03)
[2] Measurement of the branching fraction and charge asymmetry of the decay B+→D+(D)over-bar0 and search for B0→D0(D)over-bar0
Adachi, I.
Aihara, H.
Arinstein, K.
Aulchenko, V.
Aushev, T.
Bakich, A. M.
Balagura, V.
Belous, K.
Bhardwaj, V.
Bitenc, U.
Blyth, S.
Bondar, A.
Bozek, A.
Bracko, M.
Brodzicka, J.
Chao, Y.
Chen, A.
Chen, K. -F.
Chen, W. T.
Cheon, B. G.
Chistov, R.
Cho, I. -S.
Choi, S. -K.
Choi, Y.
Dalseno, J.
Dash, M.
Eidelman, S.
Epifanov, D.
Fratina, S.
Ha, H.
Haba, J.
Hara, T.
Hazumi, M.
Heffernan, D.
Hoshi, Y.
Hou, W. -S.
Hyun, H. J.
Inami, K.
Ishikawa, A.
Ishino, H.
Iwasaki, M.
Iwasaki, Y.
Kah, D. H.
Katayama, N.
Kawai, H.
Kawasaki, T.
Kichimi, H.
Kim, H. J.
Kim, S. K.
Kinoshita, K.
PHYSICAL REVIEW D, 2008, 77 (09):
[3] Branching fraction measurements of the color-suppressed decays (B)over-bar0 to D(*)0π0, D(*)0η, D(*)0ω, and D(*)0η′ and measurement of the polarization in the decay (B)over-bar0 → D(*)0ω
Lees, J. P.
Poireau, V.
Tisserand, V.
Garra Tico, J.
Grauges, E.
Martinelli, M.
Milanes, D. A.
Palano, A.
Pappagallo, M.
Eigen, G.
Stugu, B.
Brown, D. N.
Kerth, L. T.
Kolomensky, Yu. G.
Lynch, G.
Koch, H.
Schroeder, T.
Asgeirsson, D. J.
Hearty, C.
Mattison, T. S.
McKenna, J. A.
Khan, A.
Blinov, V. E.
Buzykaev, A. R.
Druzhinin, V. P.
Golubev, V. B.
Kravchenko, E. A.
Onuchin, A. P.
Serednyakov, S. I.
Skovpen, Yu. I.
Solodov, E. P.
Todyshev, K. Yu.
Yushkov, A. N.
Bondioli, M.
Kirkby, D.
Lankford, A. J.
Mandelkern, M.
Stoker, D. P.
Atmacan, H.
Gary, J. W.
Liu, F.
Long, O.
Vitug, G. M.
Campagnari, C.
Hong, T. M.
Kovalskyi, D.
Richman, J. D.
West, C. A.
Eisner, A. M.
Kroseberg, J.
PHYSICAL REVIEW D, 2011, 84 (11)
[4] Measurement of branching fraction and direct CP asymmetry in B0 → ρ0π0 decays
Dragic, J.
Abe, K.
Abe, K.
Adachi, I.
Aihara, H.
Anipko, D.
Asano, Y.
Aushev, T.
Bahinipati, S.
Bakich, A. M.
Balagura, V.
Barbero, M.
Bay, A.
Bedny, I.
Bitenc, U.
Bizjak, I.
Blyth, S.
Bondar, A.
Bozek, A.
Bracko, M.
Brodzicka, J.
Browder, T. E.
Chang, M. -C.
Chang, P.
Chao, Y.
Chen, A.
Chen, W. T.
Cheon, B. G.
Chistov, R.
Choi, Y.
Choi, Y. K.
Chuvikov, A.
Cole, S.
Dalseno, J.
Danilov, M.
Dash, M.
Drutskoy, A.
Eidelman, S.
Gabyshev, N.
Garmash, A.
Gershon, T.
Go, A.
Gokhroo, G.
Golob, B.
Gorisek, A.
Ha, H. C.
Haba, J.
Hara, T.
Hastings, N. C.
Hayasaka, K.
PHYSICAL REVIEW D, 2006, 73 (11)
[5] Measurement of the Ratio of Branching Fractions B((B)over-bar0 → D*+τ-(ν)over-barτ)/B((B)over-bar0 → D*+μ-(ν)over-barμ)
Aaij, R.
Adeva, B.
Adinolfi, M.
Affolder, A.
Ajaltouni, Z.
Akar, S.
Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
Alkhazov, G.
Cartelle, P. Alvarez
Alves, A. A., Jr.
Amato, S.
Amerio, S.
Amhis, Y.
An, L.
Anderlini, L.
Anderson, J.
Andreassi, G.
Andreotti, M.
Andrews, J. E.
Appleby, R. B.
Gutierrez, O. Aquines
Archilli, F.
d'Argent, P.
Artamonov, A.
Artuso, M.
Aslanides, E.
Auriemma, G.
Baalouch, M.
Bachmann, S.
Back, J. J.
Badalov, A.
Baesso, C.
Baldini, W.
Barlow, R. J.
Barschel, C.
Barsuk, S.
Barter, W.
Batozskaya, V.
Battista, V.
Bay, A.
Beaucourt, L.
Beddow, J.
Bedeschi, F.
Bediaga, I.
Bel, L. J.
Bellee, V.
Belyaev, I.
PHYSICAL REVIEW LETTERS, 2015, 115 (11)
[6] Measurement of the resonant and CP components in (B)over-bar0 → J/ψπ+π- decays
Aaij, R.
Adeva, B.
Adinolfi, M.
Affolder, A.
Ajaltouni, Z.
Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
Alkhazov, G.
Alvarez Cartelle, P.
Alves, A. A., Jr.
Amato, S.
Amerio, S.
Amhis, Y.
An, L.
Anderlini, L.
Anderson, J.
Andreassen, R.
Andreotti, M.
Andrews, J. E.
Appleby, R. B.
Gutierrez, O. Aquines
Archilli, F.
Artamonov, A.
Artuso, M.
Aslanides, E.
Auriemma, G.
Baalouch, M.
Bachmann, S.
Back, J. J.
Badalov, A.
Balagura, V.
Baldini, W.
Barlow, R. J.
Barschel, C.
Barsuk, S.
Barter, W.
Batozskaya, V.
Bauer, T.
Bay, A.
Beaucourt, L.
Beddow, J.
Bedeschi, F.
Bediaga, I.
Belogurov, S.
Belous, K.
Belyaev, I.
Ben-Haim, E.
Bencivenni, G.
PHYSICAL REVIEW D, 2014, 90 (01)
[7] Measurement of the Semileptonic CP Asymmetry in B0-(B)over-bar0 Mixing
Aaij, R.
Adeva, B.
Adinolfi, M.
Affolder, A.
Ajaltouni, Z.
Akar, S.
Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
Alkhazov, G.
Cartelle, P. Alvarez
Alves, A. A., Jr.
Amato, S.
Amerio, S.
Amhis, Y.
An, L.
Anderlini, L.
Anderson, J.
Andreassen, R.
Andreotti, M.
Andrews, J. E.
Appleby, R. B.
Gutierrez, O. Aquines
Archilli, F.
Artamonov, A.
Artuso, M.
Aslanides, E.
Auriemma, G.
Baalouch, M.
Bachmann, S.
Back, J. J.
Badalov, A.
Baesso, C.
Baldini, W.
Barlow, R. J.
Barschel, C.
Barsuk, S.
Barter, W.
Batozskaya, V.
Battista, V.
Bay, A.
Beaucourt, L.
Beddow, J.
Bedeschi, F.
Bediaga, I.
Belogurov, S.
Belous, K.
Belyaev, I.
Ben-Haim, E.
PHYSICAL REVIEW LETTERS, 2015, 114 (04)
[8] Branching fraction measurements of the color-suppressed decays (B)over-bar0 to D(*)0 π0, D(*)η0, D(*)ω0, and D(*)η′0 and measurement of the polarization in the decay (B)over-bar0 → D*ω0 (vol 84, 112007, 2011)
Lees, J. P.
Poireau, V.
Tisserand, V.
Tico, J. Garra
Grauges, E.
Martinelli, M.
Milanes, D. A.
Palano, A.
Pappagallo, M.
Eigen, G.
Stugu, B.
Brown, D. N.
Kerth, L. T.
Kolomensky, Yu. G.
Lynch, G.
Koch, H.
Schroeder, T.
Asgeirsson, D. J.
Hearty, C.
Mattison, T. S.
McKenna, J. A.
Khan, A.
Blinov, V. E.
Buzykaev, A. R.
Druzhinin, V. P.
Golubev, V. B.
Kravchenko, E. A.
Onuchin, A. P.
Serednyakov, S. I.
Skovpen, Yu. I.
Solodov, E. P.
Todyshev, K. Yu.
Yushkov, A. N.
Bondioli, M.
Kirkby, D.
Lankford, A. J.
Mandelkern, M.
Stoker, D. P.
Atmacan, H.
Gary, J. W.
Liu, F.
Long, O.
Vitug, G. M.
Campagnari, C.
Hong, T. M.
Kovalskyi, D.
Richman, J. D.
West, C. A.
Eisner, A. M.
Kroseberg, J.
PHYSICAL REVIEW D, 2013, 87 (03):
[9] (B)over-bar0 decays to D(*)0η and D(*)0η′
Deandrea, A
Polosa, AD
EUROPEAN PHYSICAL JOURNAL C, 2002, 22 (04): : 677 - 681
[10] Measurement of the branching ratio of (B)over-bar0 → D*+τ-(ν)over-barτ relative to (B)over-bar0 → D*+l-(ν)over-barl decays with a semileptonic tagging method
Sato, Y.
Iijima, T.
Adamczyk, K.
Aihara, H.
Asner, D. M.
Atmacan, H.
Aushev, T.
Ayad, R.
Aziz, T.
Babu, V.
Badhrees, I.
Bakich, A. M.
Bansal, V.
Behera, P.
Bhardwaj, V.
Bhuyan, B.
Biswal, J.
Bonvicini, G.
Bozek, A.
Bracko, M.
Cervenkov, D.
Chang, P.
Chekelian, V.
Chen, A.
Cheon, B. G.
Chilikin, K.
Chistov, R.
Cho, K.
Chobanova, V.
Choi, Y.
Cinabro, D.
Danilov, M.
Dash, N.
Di Carlo, S.
Dolezal, Z.
Dutta, D.
Eidelman, S.
Epifanov, D.
Farhat, H.
Fast, J. E.
Ferber, T.
Fulsom, B. G.
Gaur, V.
Gabyshev, N.
Garmash, A.
Goldenzweig, P.
Golob, B.
Greenwald, D.
Hara, K.
Hara, T.
PHYSICAL REVIEW D, 2016, 94 (07)

← 1 2 3 4 5 →