Study of B0 → D- π+π-π+ and B0 → D-K+π-π+ decays

被引：17

作者：

Aaij, R. ^{[39
]}

Beteta, C. Abellan ^{[34
,73
]}

Adametz, A. ^{[11
]}

Adeva, B. ^{[35
]}

Adinolfi, M. ^{[45
]}

Adrover, C. ^{[6
]}

Affolder, A. ^{[51
]}

Ajaltouni, Z. ^{[5
]}

Albrecht, J. ^{[9
]}

Alessio, F. ^{[36
]}

Alexander, M. ^{[50
]}

Ali, S. ^{[39
]}

Alkhazov, G. ^{[27
]}

Cartelle, P. Alvarez ^{[35
]}

Alves, A. A., Jr. ^{[22
,36
]}

Amato, S. ^{[2
]}

Amhis, Y. ^{[7
]}

Anderlini, L. ^{[17
,65
]}

Anderson, J. ^{[38
]}

Andreassen, R. ^{[59
]}

Appleby, R. B. ^{[53
]}

Gutierrez, O. Aquines ^{[10
]}

Archilli, F. ^{[18
]}

Artamonov, A. ^{[33
]}

Artuso, M. ^{[55
]}

Aslanides, E. ^{[6
]}

Auriemma, G. ^{[22
,72
]}

Bachmann, S.

Back, J. J. ^{[47
]}

Baesso, C. ^{[56
]}

Balagura, V. ^{[28
]}

Baldini, W. ^{[16
]}

Barlow, R. J. ^{[53
]}

Barschel, C. ^{[36
]}

Barsuk, S. ^{[7
]}

Barter, W. ^{[46
]}

Bauer, Th. ^{[39
]}

Bay, A. ^{[37
]}

Beddow, J. ^{[50
]}

Bediaga, I. ^{[1
]}

Belogurov, S. ^{[28
]}

Belous, K. ^{[33
]}

Belyaev, I. ^{[28
]}

Ben-Haim, E. ^{[8
]}

Benayoun, M. ^{[8
]}

Bencivenni, G. ^{[18
]}

Benson, S. ^{[49
]}

Benton, J. ^{[45
]}

Berezhnoy, A. ^{[29
]}

Bernet, R. ^{[38
]}

机构：

[1] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[2] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, Brazil

[3] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China

[4] Univ Savoie, CNRS, Lab Annecy Le Vieux Phys Particules, IN2P3, Annecy Le Vieux, France

[5] Univ Blaise Pascal, Clermont Univ, CNRS IN2P3, LPC, Clermont Ferrand, France

[6] Aix Marseille Univ, Ctr Phys Particules Marseille, CNRS IN2P3, Marseille, France

[7] Univ Paris 11, Lab Accelerateur Lineaire, CNRS IN2P3, Orsay, France

[8] Univ Paris Diderot, Univ Paris 06, Lab Nucl Phys & High Energy Phys, CNRS IN2P3, Paris, France

[9] Tech Univ Dortmund, Fak Phys, Dortmund, Germany

[10] Max Planck Inst Kernphys, Heidelberg, Germany

[11] Heidelberg Univ, Inst Phys, Heidelberg, Germany

[12] Univ Coll Dublin, Sch Phys, Dublin 2, Ireland

[13] Sez INFN Bari, Bari, Italy

[14] Sez INFN Bologna, Bologna, Italy

[15] Sez INFN Cagliari, Cagliari, Italy

[16] Sez INFN Ferrara, Ferrara, Italy

[17] Sez INFN Firenze, Florence, Italy

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

[19] Sez INFN Genova, Genoa, Italy

[20] Sez INFN Milano Bicocca, Milan, Italy

[21] Sez INFN Roma Tor Vergata, Rome, Italy

[22] Sez INFN Roma La Sapienza, Rome, Italy

[23] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

[24] AGH Univ Sci & Technol, Krakow, Poland

[25] Natl Ctr Nucl Res NCBJ, Warsaw, Poland

[26] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[27] Petersburg Nucl Phys Inst, Gatchina, Russia

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

[29] Moscow State Univ SINP MSU, Inst Nucl Phys, Moscow, Russia

[30] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[31] Budker Inst Nucl Phys SB RAS, Novosibirsk, Russia

[32] Novosibirsk State Univ, Novosibirsk 630090, Russia

[33] Inst High Energy Phys, Protvino, Russia

[34] Univ Barcelona, Barcelona, Spain

[35] Univ Santiago de Compostela, Santiago De Compostela, Spain

[36] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[37] Ecole Polytech Fed Lausanne, Lausanne, Switzerland

[38] Univ Zurich, Inst Phys, Zurich, Switzerland

[39] Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands

[40] Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands

[41] Vrije Univ Amsterdam, Amsterdam, Netherlands

[42] NSC Kharkiv Inst Phys & Technol NSC KIPT, Kharkov, Ukraine

[43] Natl Acad Sci KINR, Inst Nucl Res, Kiev, Ukraine

[44] Univ Birmingham, Birmingham, W Midlands, England

[45] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[46] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[47] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[48] STFC Rutherford Appleton Lab, Didcot, Oxon, England

[49] Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland

[50] Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland

来源：

PHYSICAL REVIEW D | 2013年 / 87卷 / 09期

关键词：

TOOL;

D O I：

10.1103/PhysRevD.87.092001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using proton-proton collision data collected by the LHCb experiment at root s = 7 TeV, corresponding to an integrated luminosity of 1.0 fb(-1), the ratio of branching fractions of the B-0 -> D*(-)pi(+)pi(-)pi(+) decay relative to the B-0 -> D*(-)pi(+) decay is measured to be B(B-0 -> D*(-)pi(+)pi(-)pi(+))/B(B-0 -> D*(-)pi(+)) = 2.64 +/- 0.4(stat) +/- 0.13(syst). The Cabibbo-suppressed decay B-0 -> D*K--(+)pi(-)pi(+) is observed for the first time, and the measured ratio of branching fractions is B(B-0 -> D*K--(+)pi(-)pi(+))/B(B-0 -> D*K--(+)pi(-)pi(+)) = (6.47 +/- 0.37(stat) +/- 0.35(syst)) x 10(-2). A search for orbital excitations of charm mesons contributing to the B-0 -> D*(-)pi(+)pi(-)pi(+) final state is also performed, and the first observation of the B-0 -> (D) over bar (1)(2420)(0)pi(+)pi(-) decay is reported with the ratio of branching fractions B(B-0 ->(D-1(2420)(0)-> D*(-)pi(+))pi(-)pi(+))/B(B-0 -> D*(-)pi(+)pi(-)pi(+)) = (2.04 +/- 0.42(stat) +/- 0.22(syst)) x 10(-2), where the numerator represents a product of the branching fractions B(B-0 -> (D) over bar (1)(2420)(0)pi(-)pi(+)) and B(D-1(2420)(0) -> D*(-)pi(+)).

引用

页数：10

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Lees, J. P.
Poireau, V.
Prudent, X.
Tisserand, V.
Zghiche, A.
Tico, J. Garra
Grauges, E.
Lopez, L.
Palano, A.
Eigen, G.
Stugu, B.
Sun, L.
Abrams, G. S.
Battaglia, M.
Brown, D. N.
Button-Shafer, J.
Cahn, R. N.
Groysman, Y.
Jacobsen, R. G.
Kadyk, J. A.
Kerth, L. T.
Kolomensky, Yu. G.
Kukartsev, G.
Pegna, D. Lopes
Lynch, G.
Mir, L. M.
Orimoto, T. J.
Ronan, M. T.
Tackmann, K.
Wenzel, W. A.
Sanchez, P. del Amo
Hawkes, C. M.
Watson, A. T.
Held, T.
Koch, H.
Lewandowski, B.
Pelizaeus, M.
Schroeder, T.
Steinke, M.
Walker, D.
Asgeirsson, D. J.
Cuhadar-Donszelmann, T.
Fulsom, B. G.
Hearty, C.
Knecht, N. S.
Mattison, T. S.
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← 1 2 3 4 5 →

Study of B0 → D*- π+π-π+ and B0 → D*-K+π-π+ decays

Study of B0 → D- π+π-π+ and B0 → D-K+π-π+ decays