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Observation of the DecayBs0→K0K¯0

Authors :
B. Bhuyan
R. Mussa
Marko Petrič
H. B. Jeon
A. Ishikawa
Yuki Sato
A. Drutskoy
T. E. Browder
C. W. Park
D. Matvienko
P. Križan
D. Cinabro
I. Adachi
S. Sandilya
A. Bobrov
K. Trabelsi
D. M. Asner
A. Vinokurova
S. H. Kim
P. Krokovny
Rakesh Kumar
V. Savinov
K. H. Kang
K. Cho
B. G. Cheon
T. K. Pedlar
V. Babu
Tariq Aziz
T. Aushev
Ihn Sik Seong
T. Kawasaki
A. Zupanc
R. Pestotnik
A. Kuzmin
H. K. Moon
V.N. Zhilich
B. Pal
M. Uchida
L. Pesántez
Peter Kodys
W. W. Jacobs
G. Pakhlova
Z. Drásal
P. Pakhlov
A. Moll
J. Haba
X. H. He
S. Ogawa
Y. Choi
P.A. Lukin
V. Chobanova
Hiroaki Aihara
J. Stypula
C. Pulvermacher
C. Z. Yuan
N. K. Nisar
T. Hara
H. Park
S. Korpar
G. S. Varner
T. Luo
M. J. Kim
K. Miyabayashi
T. Kuhr
A. Bozek
M. Masuda
S. Okuno
B.A. Shwartz
Y. M. Goh
I. Jaegle
Jyoti Prakash Biswal
Sunmin Ryu
M. Starič
R. Ayad
J. Yamaoka
L. Li Gioi
Seema Bahinipati
L. E. Piilonen
E. Ribežl
A. Garmash
K. K. Joo
E. Won
M. N. Wagner
S. Nishida
B. G. Fulsom
T. Kumita
Liangbin Li
A. Rostomyan
V. Chekelian
T. Julius
G. Schnell
S. Uehara
D. Y. Kim
A. J. Schwartz
H. J. Kim
K. M. Williams
R. Chistov
D. Liventsev
Vladimir Zhulanov
A. Chen
P. Vanhoefer
J. G. Shiu
G. B. Mohanty
Samo Stanič
Y. Teramoto
V.E. Shebalin
H. Hayashii
H. Sahoo
T. Nanut
T. A. Shibata
H. Miyata
Prafulla Kumar Behera
I. S. Lee
S.I. Eidelman
Phillip Urquijo
J. Rauch
K. Senyo
E. Nakano
P. Goldenzweig
A. M. Bakich
Z. Natkaniec
T. Sumiyoshi
W. S. Hou
R. Mizuk
Y. Yusa
C. Van Hulse
Martin Ritter
K. Hayasaka
A. Abdesselam
V. Gaur
H. Farhat
J. Libby
D. Červenkov
C. H. Li
T. Sanuki
John Yelton
Y. Iwasaki
Z. Doležal
X. L. Wang
Y. J. Kwon
Andrey Sokolov
T. Schlüter
M. Watanabe
Dipanwita Dutta
D. Joffe
K. T. Kim
K. Inami
R. Gillard
Saraju P. Mohanty
O. Schneider
C. Kiesling
Y. S. Sohn
Y. Seino
M. Z. Wang
K. Kinoshita
U. Tamponi
S. Uno
C. Schwanda
M. Nayak
M. Nakao
I. Badhrees
H. Li
James E. Fast
M. Sumihama
O. Grzymkowska
C. H. Wang
J. Dalseno
Soumen Paul
E. Kato
E. L. Barberio
Y. Watanabe
T. Mori
D. Greenwald
Y. Usov
Z. P. Zhang
T. Uglov
Y. Sakai
E. Solovieva
A. Vossen
O. Seon
Frank Simon
N. Dash
V. Bhardwaj
M. Bračko
Source :
Physical Review Letters. 116
Publication Year :
2016
Publisher :
American Physical Society (APS), 2016.

Abstract

We measure the decay Bs0→K0K0 using data collected at the ?(5S) resonance with the Belle detector at the KEKB e+e- collider. The data sample used corresponds to an integrated luminosity of 121.4 fb-1. We measure a branching fraction B(Bs0→K0K0)=[19.6-5.1+5.8(stat)±1.0(syst)±2.0(NBs0Bs0)]×10-6 with a significance of 5.1 standard deviations. This measurement constitutes the first observation of this decay.

Subjects

Subjects :
Physics
Particle physics
Luminosity (scattering theory)
010308 nuclear & particles physics
Branching fraction
Electron–positron annihilation
Detector
General Physics and Astronomy
Resonance
01 natural sciences
Measure (mathematics)
law.invention
Nuclear physics
KEKB
law
0103 physical sciences
010306 general physics
Collider

Details

ISSN :
10797114 and 00319007
Volume :
116
Database :
OpenAIRE
Journal :
Physical Review Letters
Accession number :
edsair.doi...........12e000274fd0852c6ba60990c6d8d55a
Full Text :
https://doi.org/10.1103/physrevlett.116.161801
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