Measurement of the CKM angle γ in B± → DK± and B± → Dπ± decays with D → KS0h+h-

被引：0

作者：

Aaij, R. ^{[28
]}

Beteta, C. Abellan ^{[46
]}

Adeva, B. ^{[43
]}

Adinolfi, M. ^{[50
]}

Aidala, C. A. ^{[77
]}

Ajaltouni, Z. ^{[6
]}

Akar, S. ^{[61
]}

Albicocco, P. ^{[19
]}

Albrecht, J. ^{[11
]}

Alessio, F. ^{[44
]}

Alexander, M. ^{[55
]}

Albero, A. Alfonso ^{[42
]}

Alkhazov, G. ^{[34
]}

Cartelle, P. Alvarez ^{[57
]}

Alves, A. A., Jr. ^{[43
]}

Amato, S. ^{[2
]}

Amerio, S. ^{[24
]}

Amhis, Y. ^{[8
]}

An, L. ^{[18
]}

Anderlini, L. ^{[18
]}

Andreassi, G. ^{[45
]}

Andreotti, M. ^{[17
]}

Andrews, J. E. ^{[62
]}

Archilli, F. ^{[28
]}

d'Argent, P. ^{[13
]}

Romeu, J. Arnau ^{[7
]}

Artamonov, A. ^{[41
]}

Artuso, M. ^{[63
]}

Arzymatov, K. ^{[38
]}

Aslanides, E. ^{[7
]}

Atzeni, M. ^{[46
]}

Audurier, B. ^{[23
]}

Bachmann, S. ^{[13
]}

Back, J. J. ^{[52
]}

Baker, S. ^{[57
]}

Balagura, V. ^{[8
,80
]}

Baldini, W. ^{[17
]}

Baranov, A. ^{[38
]}

Barlow, R. J. ^{[58
]}

Barrand, G. C. ^{[8
]}

Barsuk, S. ^{[8
]}

Barter, W. ^{[58
]}

Bartolini, M. ^{[20
]}

baryshnikov, F. ^{[74
]}

Batozskaya, V. ^{[32
]}

Batsukh, B. ^{[63
]}

Battig, A. ^{[11
]}

Battista, V. ^{[45
]}

Bay, A. ^{[45
]}

Beddow, J. ^{[55
]}

机构：

[1] CBPF, Rio De Janeiro, Brazil

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

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

[4] Ihep, Beijing, Peoples R China

[5] Univ Savoie Mont Blanc, Univ Grenoble Alpes, CNRS, IN2P3,LAPP, Annecy, France

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

[7] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France

[8] Univ Paris Saclay, Univ Paris Sud, LAL, CNRS,IN2P3, Orsay, France

[9] Sorbonne Univ, Paris Diderot Sorbonne Paris Cite, LPNHE, CNRS,IN2P3, Paris, France

[10] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany

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

[12] Max Planck Inst Kernphys, Heidelberg, Germany

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

[14] Univ Coll Dublin, Sch Phys, Dublin, Ireland

[15] INFN, Sez Bari, Bari, Italy

[16] INFN, Sez Bologna, Bologna, Italy

[17] INFN, Sez Ferrara, Ferrara, Italy

[18] INFN, Sez Firenze, Florence, Italy

[19] INFN, Lab Nazl Frascati, Frascati, Italy

[20] INFN, Sez Genova, Genoa, Italy

[21] INFN, Sez Milano Bicocca, Milan, Italy

[22] INFN, Sez Milano, Milan, Italy

[23] INFN, Sez Cagliari, Monserrato, Italy

[24] INFN, Sez Padova, Padua, Italy

[25] INFN, Sez Pisa, Pisa, Italy

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

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

[28] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands

[29] Vrije Univ Amsterdam, Amsterdam, Netherlands

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

[31] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland

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

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

[34] PNPI, Gatchina, Russia

[35] ITEP, Moscow, Russia

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

[37] Russian Acad Sci, Inst Nucl Res, Moscow, Russia

[38] Yandex Sch Data Anal, Moscow, Russia

[39] Natl Res Univ Higher Sch Econ, Moscow, Russia

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

[41] IHEP, Protvino, Russia

[42] Univ Barcelona, ICCUB, Barcelona, Spain

[43] Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain

[44] European Org Nucl Res CERN, Geneva, Switzerland

[45] Ecole Polytech Fed Lausanne, Inst Phys, Lausanne, Switzerland

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

[47] NSC KIPT, Kharkiv, Ukraine

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

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

[50] Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2021年 / 02期

关键词：

B physics; CKM angle gamma; CP violation; Flavor physics; Hadron-Hadron scattering (experiments); CP-VIOLATION; SIMULATION;

D O I：

10.1007/JHEP02(2021)169

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

A measurement of CP-violating observables is performed using the decays B-+/- -> DK +/- and B-+/- -> D pi(+/-), where the D meson is reconstructed in one of the self-conjugate three-body final states K-S(0)pi(+)pi(-) and (KSK+K-)-K-0 (commonly denoted K(S)(0)h(+)h(-)). The decays are analysed in bins of the D-decay phase space, leading to a measurement that is independent of the modelling of the D-decay amplitude. The observables are inter- preted in terms of the CKM angle gamma. Using a data sample corresponding to an integrated luminosity of 9 fb(-1) collected in proton-proton collisions at centre-of mass energies of 7, 8, and 13 TeV with the LHCb experiment, gamma is measured to be (68.7(-5.1)(+5.2))degrees. The hadronic parameters r(B)(DK), r(B)(D pi), delta(DK)(B), and delta(D pi)(B), which are the ratios and strong-phase differences of the suppressed and favoured B-+/- decays, are also reported.

引用

页数：36

共 50 条

[1] A model-independent Dalitz plot analysis of B± → DK± with D → KS0h+h- (h = π, K) decays and constraints on the CKM angle γ
Aaij, R.
Abellan Beteta, C.
Adametz, A.
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Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
Alkhazov, G.
Alvarez Cartelle, P.
Alves, A. A., Jr.
Amato, S.
Amhis, Y.
Anderlini, L.
Anderson, J.
Appleby, R. B.
Gutierrez, O. Aquines
Archilli, F.
Artamonov, A.
Artuso, M.
Aslanides, E.
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Baesso, C.
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Barlow, R. J.
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Bencivenni, G.
Benson, S.
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PHYSICS LETTERS B, 2012, 718 (01) : 43 - 55
[2] Measurement of the CKM angle γ using B 0 → DK *0 with D → KS0 π + π - decays
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Abellan Beteta, C.
Adeva, B.
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Ajaltouni, Z.
Akar, S.
Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
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Amato, S.
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Aquines Gutierrez, O.
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[3] Measurement of the CKM angle γ using B0 → DK*0 with D → KS0π+π− decays
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[4] Measurement of CP violation and constraints on the CKM angle γ in B± → DK± with D → Ks0π+π- decays
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Back, J. J.
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[5] Measurement of the CKM angle γ using B± → DK± with D → KS0π+π−, KS0K+K− decays
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[6] Measurement of the CKM angle γ using B± → DK± with D → KS0π+π-, KS0K+K- decays
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[7] Measurement of the CKM angle γ using B± → DK± with D → KS0π+π−, KS0K+K− decays
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R. B. Appleby
F. Archilli
P. d’Argent
J. Arnau Romeu
A. Artamonov
M. Artuso
K. Arzymatov
E. Aslanides
M. Atzeni
S. Bachmann
J. J. Back
S. Baker
V. Balagura
W. Baldini
A. Baranov
R. J. Barlow
S. Barsuk
W. Barter
F. Baryshnikov
V. Batozskaya
B. Batsukh
V. Battista
A. Bay
J. Beddow
F. Bedeschi
I. Bediaga
A. Beiter
Journal of High Energy Physics, 2018
[8] Measurement of the CKM angle γ using B± → DK± with D → KS0π+π-, KS0K+K- decays
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Adeva, B.
Adinolfi, M.
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Ajaltouni, Z.
Akar, S.
Albicocco, P.
Albrecht, J.
Alessio, F.
Alexander, M.
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Ali, S.
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Aslanides, E.
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Back, J. J.
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Barter, W.
Baryshnikov, F.
Batozskaya, V
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Battista, V
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Beddow, J.
Bedeschi, F.
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[9] Measurement of the CKM angle γ in the B0→DK *0 channel using self-conjugate D→ KS0h+ h- decays
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Agapopoulou, C.
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Andreou, D.
Ao, D.
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Audurier, B.
Perea, I. B. Bachiller
Bachmann, S.
Bachmayer, M.
Back, J. J.
Bailly-reyre, A.
Baladron Rodriguez, P.
Balagura, V.
Baldini, W.
Baptista de Souza Leite, J.
Barbetti, M.
Barbosa, I. R.
EUROPEAN PHYSICAL JOURNAL C, 2024, 84 (02):
[10] Erratum to: Measurement of the CKM angle γ using B± → DK± with D → KS0π+π−, KS0K+K− decays
R. Aaij
B. Adeva
M. Adinolfi
C. A. Aidala
Z. Ajaltouni
S. Akar
P. Albicocco
J. Albrecht
F. Alessio
M. Alexander
A. Alfonso Albero
S. Ali
G. Alkhazov
P. Alvarez Cartelle
A. A. Alves
S. Amato
S. Amerio
Y. Amhis
L. An
L. Anderlini
G. Andreassi
M. Andreotti
J. E. Andrews
R. B. Appleby
F. Archilli
P. d’Argent
J. Arnau Romeu
A. Artamonov
M. Artuso
K. Arzymatov
E. Aslanides
M. Atzeni
S. Bachmann
J. J. Back
S. Baker
V. Balagura
W. Baldini
A. Baranov
R. J. Barlow
S. Barsuk
W. Barter
F. Baryshnikov
V. Batozskaya
B. Batsukh
V. Battista
A. Bay
J. Beddow
F. Bedeschi
I. Bediaga
A. Beiter
Journal of High Energy Physics, 2018

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