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Open access
volume 117 issue 23 publication number 232002

Measurement of Singly Cabibbo Suppressed Decays Λc+pπ+π and Λc+pK+K

M. ABLIKIM
M. N. ACHASOV
S. Ahmed
X. C. Ai
O. Albayrak
M Albrecht
M. Albrecht
D. J. Ambrose
A. Amoroso
F. F. An
Q. An
J. Z. BAI
O. Bakina
R. Baldini Ferroli
Y. BAN
D. W. Bennett
J V Bennett
N. Berger
M. Bertani
D. Bettoni
J. M. Bian
F Bianchi
E. Boger
I. Boyko
R. A. Briere
H. Cai
X Cai
O. Cakir
A. Calcaterra
G. F. Cao
S. A. Cetin
J. Chai
J. F. Chang
G. Chelkov
G. Chen
H. S. Chen
J. C. Chen
M L Chen
S. Chen
S J Chen
X. Chen
X. R. Chen
Y.-B. Chen
H.-P. Cheng
X. K. Chu
G. Cibinetto
H. L. Dai
J. P. Dai
A. Dbeyssi
D. Dedovich
Z. Y. DENG
A. DENIG
I. Denysenko
M. Destefanis
F. De Mori
Y. Ding
C. Dong
J. Dong
L. Y. Dong
M. Y. Dong
Z.L. Dou
S. X. DU
P. F. Duan
J. Z. Fan
J. Fang
S. S. Fang
X. Fang
Y. Fang
R. Farinelli
L. Fava
S. Fegan
F. Feldbauer
G. Felici
C. Q. Feng
E. Fioravanti
M. FRITSCH
C. D. FU
Q. Gao
X.-L. Gao
Y. Gao
Z. Gao
I. Garzia
K. Goetzen
L. Gong
W. X. Gong
W. Gradl
M. GRECO
M. H. Gu
Y. T. Gu
Y.H. Guan
A. Q. Guo
L. B. GUO
R. P. Guo
Y. Guo
Y. P. Guo
Z. Haddadi
A. Hafner
S Han
X. Q. Hao
F. A. HARRIS
K. L. HE
F. H. Heinsius
T. Held
Y. K. HENG
T. Holtmann
Z. L. Hou
C Hu
H. M. HU
J. F. Hu
T. Hu
Y. Hu
G. S. HUANG
J.‐S. Huang
X.-T. Huang
X.-Z. Huang
Y Huang
Z. L. Huang
T. Hussain
W. Ikegami Andersson
Q. Ji
Q. P. Ji
X. B. Ji
X. L. Ji
L W Jiang
X. S. Jiang
X. Y. Jiang
J. B. JIAO
Z Jiao
D. P. JIN
S. Jin
T. Johansson
A. Julin
N. KALANTAR-NAYESTANAKI
X. L. Kang
X. S. Kang
M. Kavatsyuk
B. C. Ke
P. Kiese
R. Kliemt
B. Kloss
O. B. Kolcu
B. Kopf
M. Kornicer
A. Kupsc
W. KÜHN
J. S. LANGE
M. Lara
P. Larin
H. Leithoff
C. Leng
C. Li
Cheng Li
D. M. Li
F. Li
F. Y. Li
G. Li
H. B. Li
H. J. Li
J.-C. Li
Jin Li
K Li
Lei Li
P. L. Li
P. R. Li
Q. Y. Li
T Li
T. Li
W. D. LI
W. G. LI
X. L. Li
X. N. LI
X. Q. Li
Y B Li
Z. B. LI
H. Liang
Y. F. Liang
Y T Liang
G. R. Liao
D. X. Lin
B. Liu
B. J. LIU
C. X. LIU
D. Liu
F. H. Liu
Fang Liu
Fang Liu
Feng Liu
H. B. LIU
H. H. Liu
H. M. LIU
J Liu
J Liu
J. B. LIU
J.-P. LIU
J. Y. Liu
K. Liu
K. Y. Liu
L. D. Liu
P. L. Liu
Q. Liu
S. B. Liu
X. Liu
Y. B. Liu
Y. Y. Liu
Z. A. LIU
Zhiqing Liu
H. Loehner
Y.F. Long
X. C. Lou
H. J. Lu
J. G. Lu
Y Lü
Y. Lu
Y.-p. Lu
C. L. LUO
M. X. Luo
T. Luo
X.‐L. Luo
X. R. Lyu
F. C. MA
H. L. MA
L L Ma
M. M. Ma
Q. M. MA
T. Ma
X. N. Ma
X. Y. Ma
Y. M. Ma
F. E. Maas
M. Maggiora
Q. A. Malik
Y. J. Mao
Z. P. Mao
S. Marcello
J. G. MESSCHENDORP
G. Mezzadri
J. Min
T. J. Min
R E Mitchell
X. H. Mo
Y. J. Mo
C. Morales Morales
N. Yu. MUCHNOI
H. Muramatsu
P. Musiol
Y. Nefedov
F. Nerling
I. B. NIKOLAEV
Z. Ning
S. Nisar
S.L. Niu
X. Y. Niu
S. L. Olsen
Q. Ouyang
S. Pacetti
Y Pan
Y. Pan
P. Patteri
M. Pelizaeus
H. P. Peng
K. Peters
J. PETTERSSON
J. L. PING
R. G. PING
R. Poling
Prasad V
H. R. Qi
M. Qi
S. Qian
C F. Qiao
L-Q Qin
L. Q. Qin
N. QIN
X. S. Qin
Z. H. Qin
J. F. QIU
K. H. Rashid
C. F. Redmer
M. Ripka
G. RONG
Ch. Rosner
X. D. RUAN
A. SARANTSEV
M. Savrié
C. Schnier
K. Schoenning
S. SCHUMANN
W. Shan
M. Shao
C. P. Shen
P. X. Shen
X. Y. SHEN
H. Y. SHENG
M. Shi
W. M. Song
X. Y. Song
S. Sosio
S. Spataro
G. X. Sun
J. F. SUN
S‐S. Sun
X. H. Sun
Y. J. Sun
Y. Z. SUN
Z. J. Sun
Z. T. Sun
C. J. Tang
X. Tang
I. Tapan
E.H. Thorndike
M. Tiemens
I. Uman
G. S. Varner
B. Wang
B. L. Wang
D. Wang
D. Y. Wang
K. Wang
L. L. WANG
L. S. Wang
M Wang
P. Wang
P. L. WANG
W. Wang
W. P. Wang
X. F. Wang
YONG WANG
Y. Wang
Y. D. Wang
Y. F. Wang
Y. Q. Wang
Z Wang
Z. Wang
Z G Wang
Z.-H. Wang
Z. Y. Wang
T. Weber
D. H. Wei
P. Weidenkaff
S. P. Wen
U. WIEDNER
M. WOLKE
L.H. Wu
L. J. Wu
Z. Wu
L. Xia
L. G. Xia
Y. Xia
D. XIAO
H. Xiao
Z. J. Xiao
Y. G. Xie
Q. L. Xiu
G. F. XU
J. J. Xu
L. Xu
Q. J. XU
Q. N. Xu
X. P. XU
L. Yan
W. B. YAN
W. C. Yan
Y. H. Yan
H. J. YANG
H. X. YANG
L. Yang
Y. X. Yang
M. Ye
M. H. YE
J. -H Yin
Z. Y. You
B.X. YU
C. X. YU
J. S. Yu
C. Z. Yuan
W.-L. Yuan
Y. Yuan
A. Yuncu
A. A. Zafar
A. Zallo
Y. Zeng
Z. Zeng
B. X. ZHANG
B. Y. ZHANG
C Zhang
C. C. Zhang
D. H. ZHANG
H. H. ZHANG
H. Y. Zhang
J. Zhang
J. J. Zhang
J. L. Zhang
J. Q. Zhang
J. W. Zhang
J Y Zhang
J. Z. Zhang
K. Zhang
L. Zhang
S. Q. Zhang
X. Y. Zhang
Y Zhang
Y. Zhang
Y. H. Zhang
Y. N. Zhang
Y. T. Zhang
Yu Zhang
Z. H. Zhang
Z. P. Zhang
Z. Y. Zhang
G. Zhao
J. W. ZHAO
J. Y. Zhao
J. Z. Zhao
Lei Zhao
Ling Zhao
M. G. ZHAO
Q. Zhao
Q.W. Zhao
S.J. Zhao
T. C. Zhao
Y. B. Zhao
Z. G. ZHAO
B. Zheng
J. P. Zheng
W. J. Zheng
Y. H. Zheng
B. ZHONG
L. Zhou
X. Zhou
X. K. Zhou
X.-R. ZHOU
X. Y. Zhou
K. Zhu
K. J. Zhu
S Zhu
S.-H. Zhu
X L Zhu
Y. C. Zhu
Y. S. Zhu
Z. A. ZHU
J. Zhuang
L. Zotti
B. S. ZOU
J. H. Zou
Publication typeJournal Article
Publication date2016-12-02
scimago Q1
wos Q1
SJR2.856
CiteScore15.6
Impact factor9.0
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
Using 567  pb^{-1} of data collected with the BESIII detector at a center-of-mass energy of sqrt[s]=4.599  GeV, near the Λ_{c}^{+}Λ[over ¯]_{c}^{-} threshold, we study the singly Cabibbo-suppressed decays Λ_{c}^{+}→pπ^{+}π^{-} and Λ_{c}^{+}→pK^{+}K^{-}. By normalizing with respect to the Cabibbo-favored decay Λ_{c}^{+}→pK^{-}π^{+}, we obtain ratios of branching fractions: [B(Λ_{c}^{+}→pπ^{+}π^{-})/B(Λ_{c}^{+}→pK^{-}π^{+})]=(6.70±0.48±0.25)%, [B(Λ_{c}^{+}→pϕ)/B(Λ_{c}^{+}→pK^{-}π^{+})]=(1.81±0.33±0.13)%, and [B(Λ_{c}^{+}→pK^{+}K_{non-ϕ}^{-})/B(Λ_{c}^{+}→pK^{-}π^{+})]=(9.36±2.22±0.71)×10^{-3}, where the uncertainties are statistical and systematic, respectively. The absolute branching fractions are also presented. Among these measurements, the decay Λ_{c}^{+}→pπ^{+}π^{-} is observed for the first time, and the precision of the branching fraction for Λ_{c}^{+}→pK^{+}K_{non-ϕ}^{-} and Λ_{c}^{+}→pϕ is significantly improved.
Found 
Found 

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ABLIKIM M. et al. Measurement of Singly Cabibbo Suppressed Decays Λc+→pπ+π− and Λc+→pK+K− // Physical Review Letters. 2016. Vol. 117. No. 23. 232002
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ABLIKIM M. et al. Measurement of Singly Cabibbo Suppressed Decays Λc+→pπ+π− and Λc+→pK+K− // Physical Review Letters. 2016. Vol. 117. No. 23. 232002
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@article{2016_ABLIKIM,
author = {M. ABLIKIM and M. N. ACHASOV and S. Ahmed and X. C. Ai and O. Albayrak and M Albrecht and M. Albrecht and D. J. Ambrose and A. Amoroso and F. F. An and Q. An and J. Z. BAI and O. Bakina and R. Baldini Ferroli and Y. BAN and D. W. Bennett and J V Bennett and N. Berger and M. Bertani and D. Bettoni and J. M. Bian and F Bianchi and E. Boger and I. Boyko and R. A. Briere and H. Cai and X Cai and O. Cakir and A. Calcaterra and G. F. Cao and S. A. Cetin and J. Chai and J. F. Chang and G. Chelkov and G. Chen and H. S. Chen and J. C. Chen and M L Chen and S. Chen and S J Chen and X. Chen and X. R. Chen and Y.-B. Chen and H.-P. Cheng and X. K. Chu and G. Cibinetto and H. L. Dai and J. P. Dai and A. Dbeyssi and D. Dedovich and others},
title = {Measurement of Singly Cabibbo Suppressed Decays Λc+→pπ+π− and Λc+→pK+K−},
journal = {Physical Review Letters},
year = {2016},
volume = {117},
publisher = {American Physical Society (APS)},
month = {dec},
url = {https://doi.org/10.1103/PhysRevLett.117.232002},
number = {23},
pages = {232002},
doi = {10.1103/PhysRevLett.117.232002}
}