Measurement of the branching fractions of the decays D+ → K-K+K+, D+ → π-π+ K+ and Ds+ → π-K+K+

被引：7

作者：

Aaij, R. ^{[27
,42
]}

Adeva, B. ^{[41
]}

Adinolfi, M. ^{[48
]}

Ajaltouni, Z. ^{[5
,55
]}

Akar, S. ^{[59
]}

Albrecht, J. ^{[10
]}

Alessio, F. ^{[42
]}

Alexander, M. ^{[53
]}

Alfonso Albero, A. ^{[40
]}

Alkhazov, G. ^{[33
]}

Cartelle, P. Alvarez ^{[55
]}

Alves, A. A., Jr. ^{[59
]}

Amato, S. ^{[2
]}

Amerio, S. ^{[23
]}

Amhis, Y. ^{[7
]}

An, L. ^{[3
]}

Anderlini, L. ^{[17
]}

Andreassi, G. ^{[43
]}

Andreotti, M. ^{[16
,80
]}

Andrews, J. E. ^{[60
]}

Appleby, R. B. ^{[56
]}

Archilli, F. ^{[27
]}

Romeu, J. Arnau ^{[6
]}

Artamonov, A. ^{[39
]}

Artuso, M. ^{[61
]}

Aslanides, E. ^{[6
]}

Atzeni, M. ^{[44
]}

Auriemma, G. ^{[26
]}

Baalouch, M. ^{[5
]}

Babuschkin, I. ^{[56
]}

Bachmann, S. ^{[12
]}

Back, J. J. ^{[50
]}

Badalov, A. ^{[40
,86
]}

Baesso, C. ^{[62
]}

Baker, S. ^{[55
]}

Balagura, V. ^{[7
,75
]}

Baldini, W. ^{[16
]}

Baranov, A. ^{[37
]}

Barlow, R. J. ^{[56
]}

Barschel, C. ^{[42
]}

Barsuk, S. ^{[7
]}

Barter, W. ^{[56
]}

Baryshnikov, F. ^{[70
]}

Batozskaya, V. ^{[31
]}

Battista, V. ^{[43
]}

Bay, A. ^{[43
]}

Beaucourt, L. ^{[4
]}

Beddow, J. ^{[53
]}

Bedeschi, F. ^{[24
]}

Bediaga, I. ^{[1
]}

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] Univ Savoie Mt Blanc, Univ Grenoble Alpes, CNRS, IN2P3,LAPP, Annecy, France

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

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

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

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

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

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

[11] MPIK, Heidelberg, Germany

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

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

[14] INFN, Sez Bari, Bari, Italy

[15] INFN, Sez Bologna, Bologna, Italy

[16] INFN, Sez Ferrara, Ferrara, Italy

[17] INFN, Sez Firenze, Florence, Italy

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

[19] INFN, Sez Genova, Genoa, Italy

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

[21] INFN, Sez Milano, Milan, Italy

[22] INFN, Sez Cagliari, Monserrato, Italy

[23] INFN, Sez Padova, Padua, Italy

[24] INFN, Sez Pisa, Pisa, Italy

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

[26] INFN, Sez Roma Sapienza, Rome, Italy

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

[28] Vrije Univ Amsterdam, Amsterdam, Netherlands

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

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

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

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

[33] PNPI, Gatchina, Russia

[34] ITEP, Moscow, Russia

[35] MSU, Inst Nucl Phys, SINP, Moscow, Russia

[36] RAS, INR, Moscow, Russia

[37] Yandex Sch Data Anal, Moscow, Russia

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

[39] IHEP, Protvino, Russia

[40] Univ Barcelona, ICCUB, Barcelona, Spain

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

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

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

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

[45] KIPT, NSC, Kharkov, Ukraine

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

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

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

[49] Univ Cambridge, Cavendish Lab, Cambridge, England

[50] Univ Warwick, Dept Phys, Coventry, W Midlands, England

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2019年 / 2019卷 / 03期

关键词：

Branching fraction; Charm physics; Flavor physics; Hadron-Hadron scattering (experiments); TOOL;

D O I：

10.1007/JHEP03(2019)176

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：

The branching fractions of the doubly Cabibbo-suppressed decays D+ ! K, D+ ! and D+ s ! are measured using the decays D+ ! K and D+ s ! K as normalisation channels. The measurements are performed using proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of 8TeV, corresponding to an integrated luminosity of 2.0 fb. The results are B (D+ ! K) B (D+ ! K) = (6 : 541 0 : 025 0 : 042) 10 B (D+ ! ) B (D+ ! K) = (5 : 231 0 : 009 0 : 023) 10 B (D+ s ! ) B (D+ s ! K) = (2 : 372 0 : 024 0 : 025) 10 where the uncertainties are statistical and systematic, respectively. These are the most precise measurements up to date.

引用

页数：24

共 50 条

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R. Aaij
C. Abellán Beteta
B. Adeva
M. Adinolfi
C. A. Aidala
Z. Ajaltouni
S. Akar
P. Albicocco
J. Albrecht
F. Alessio
M. Alexander
A. Alfonso Albero
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
B. Audurier
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
A. Battig
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A. Bay
J. Beddow
F. Bedeschi
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