Measurement of the branching fraction of the decay B-s(0) -> (KSKS0)-K-0
File(s)PhysRevD.102.012011.pdf (340.42 KB)
Published version
Author(s)
Type
Journal Article
Abstract
A measurement of the branching fraction of the decay
B
0
s
→
K
0
S
K
0
S
is performed using proton–proton collision data corresponding to an integrated luminosity of
5
fb
−
1
collected by the LHCb experiment between 2011 and 2016. The branching fraction is determined to be
B
(
B
0
s
→
K
0
S
K
0
S
)
=
[
8.3
±
1.6
(
stat
)
±
0.9
(
syst
)
±
0.8
(
norm
)
±
0.3
(
f
s
/
f
d
)
]
×
10
−
6
, where the first uncertainty is statistical, the second is systematic, and the third and fourth are due to uncertainties on the branching fraction of the normalization mode
B
0
→
ϕ
K
0
S
and the ratio of hadronization fractions
f
s
/
f
d
. This is the most precise measurement of this branching fraction to date. Furthermore, a measurement of the branching fraction of the decay
B
0
→
K
0
S
K
0
S
is performed relative to that of the
B
0
s
→
K
0
S
K
0
S
channel, and is found to be
B
(
B
0
→
K
0
S
K
0
S
)
B
(
B
0
s
→
K
0
S
K
0
S
)
=
[
7.5
±
3.1
(
stat
)
±
0.5
(
syst
)
±
0.3
(
f
s
/
f
d
)
]
×
10
−
2
.
B
0
s
→
K
0
S
K
0
S
is performed using proton–proton collision data corresponding to an integrated luminosity of
5
fb
−
1
collected by the LHCb experiment between 2011 and 2016. The branching fraction is determined to be
B
(
B
0
s
→
K
0
S
K
0
S
)
=
[
8.3
±
1.6
(
stat
)
±
0.9
(
syst
)
±
0.8
(
norm
)
±
0.3
(
f
s
/
f
d
)
]
×
10
−
6
, where the first uncertainty is statistical, the second is systematic, and the third and fourth are due to uncertainties on the branching fraction of the normalization mode
B
0
→
ϕ
K
0
S
and the ratio of hadronization fractions
f
s
/
f
d
. This is the most precise measurement of this branching fraction to date. Furthermore, a measurement of the branching fraction of the decay
B
0
→
K
0
S
K
0
S
is performed relative to that of the
B
0
s
→
K
0
S
K
0
S
channel, and is found to be
B
(
B
0
→
K
0
S
K
0
S
)
B
(
B
0
s
→
K
0
S
K
0
S
)
=
[
7.5
±
3.1
(
stat
)
±
0.5
(
syst
)
±
0.3
(
f
s
/
f
d
)
]
×
10
−
2
.
Date Issued
2020-07-31
Date Acceptance
2020-06-09
Citation
Physical Review D: Particles, Fields, Gravitation and Cosmology, 2020, 102 (1), pp.012011 – 1-012011 – 15
ISSN
1550-2368
Publisher
American Physical Society
Start Page
012011 – 1
End Page
012011 – 15
Journal / Book Title
Physical Review D: Particles, Fields, Gravitation and Cosmology
Volume
102
Issue
1
Copyright Statement
© 2020 CERN, for the LHCb Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license https://creativecommons.org/licenses/by/4.0/. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
License URL
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000554411300001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Particles & Fields
Physics
TOOL
Publication Status
Published
Article Number
ARTN 012011
Date Publish Online
2020-07-31