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Measurement of the Resonant and Non-Resonant Branching Ratios in
Ξ
c
0
β
Ξ
0
K
+
K
β
\Xi_{c}^{0} \rightarrow \Xi^{0} K^+ K^-
Ξ
c
0
β
β
Ξ
0
K
+
K
β
Authors
I. Adachi
K. Adamczyk
+194Β more
J. K. Ahn
H. Aihara
D. M. Asner
H. Atmacan
V. Aulchenko
T. Aushev
R. Ayad
Varghese Babu
S. Bahinipati
P. Behera
Belle Collaboration
J. Bennett
M. Bessner
T. Bilka
J. Biswal
A. Bobrov
G. Bonvicini
A. Bozek
M. Bracko
T. E. Browder
M. Campajola
L. Cao
D. Cervenkov
P. Chang
V. Chekelian
A. Chen
B. G. Cheon
K. Chilikin
K. Cho
S. J. Cho
S. K. Choi
Y. Choi
S. Choudhury
D. Cinabro
S. Cunliffe
S. Das
N. Dash
G. De Nardo
R. Dhamija
F. Di Capua
Z. Dolezal
T. V. Dong
S. Eidelman
T. Ferber
B. G. Fulsom
N. Gabyshev
A. Garmash
V. Gaur
L. Li Gioi
A. Giri
Pablo Goldenzweig
B. Golob
O. Grzymkowska
Y. Guan
K. Gudkova
C. Hadjivasiliou
K. Hayasaka
H. Hayashii
W. S. Hou
C. L. Hsu
K. Huang
K. Inami
A. Ishikawa
R. Itoh
M. Iwasaki
W. W. Jacobs
H. B. Jeon
S. Jia
Y. Jin
K. K. Joo
A. B. Kaliyar
K. H. Kang
G. Karyan
H. Kichimi
B. H. Kim
C. H. Kim
D. Y. Kim
S. H. Kim
Y. K. Kim
K. Kinoshita
P. Kodys
T. Konno
S. Korpar
P. Krizan
R. Kroeger
P. Krokovny
T. Kuhr
R. Kulasiri
M. Kumar
K. Kumara
Y. J. Kwon
K. Lalwani
S. C. Lee
J. Li
L. K. Li
Y. B. Li
J. Libby
K. Lieret
Z. Liptak
D. Liventsev
C. MacQueen
M. Masuda
T. Matsuda
D. Matvienko
J. T. McNeil
M. Merola
F. Metzner
K. Miyabayashi
R. Mizuk
G. B. Mohanty
S. Mohanty
T. J. Moon
R. Mussa
M. Nakao
A. Natochii
L. Nayak
M. Nayak
M. Niiyama
N. K. Nisar
S. Nishida
K. Ogawa
S. Ogawa
H. Ono
Y. Onuki
P. Oskin
G. Pakhlova
S. Pardi
H. Park
S. H. Park
S. Paul
T. K. Pedlar
R. Pestotnik
L. E. Piilonen
T. Podobnik
V. Popov
E. Prencipe
M. T. Prim
Markus Roehrken
A. Rostomyan
N. Rout
G. Russo
D. Sahoo
S. Al Said
Y. Sakai
S. Sandilya
A. Sangal
L. Santelj
V. Savinov
G. Schnell
J. Schueler
C. Schwanda
Y. Seino
K. Senyo
M. E. Sevior
M. Shapkin
C. Sharma
V. Shebalin
J. G. Shiu
F. Simon
E. Solovieva
M. Staric
Z. S. Stottler
J. F. Strube
M. Sumihama
T. Sumiyoshi
M. Takizawa
U. Tamponi
K. Tanida
Y. Tao
Francesco Tenchini
M. Uchida
S. Uehara
Y. Unno
S. Uno
R. Van Tonder
G. Varner
A. Vinokurova
V. Vorobyev
C. H. Wang
E. Wang
M. Z. Wang
P. Wang
M. Watanabe
S. Watanuki
E. Won
X. Xu
B. D. Yabsley
W. Yan
Hua Ye
J. Yelton
J. H. Yin
Z. P. Zhang
V. Zhilich
V. Zhukova
Publication date
1 January 2020
Publisher
Doi
Cite
Abstract
Using the entire data sample of
980
980
980
f
b
β
1
fb^{-1}
f
b
β
1
integrated luminosity collected with the Belle detector at the KEKB asymmetric-energy
e
+
e
β
e^{+}e^{-}
e
+
e
β
collider, we present an amplitude analysis measuring the branching fractions of the Cabibbo-allowed,
W
W
W
-exchange resonant decay
Ξ
c
0
β
Ξ
0
Ο
(
β
K
+
K
β
)
\Xi_{c}^{0} \rightarrow \Xi^{0} \phi (\to K^+ K^-)
Ξ
c
0
β
β
Ξ
0
Ο
(
β
K
+
K
β
)
with a polarized
Ο
\phi
Ο
and the non-resonant decay via a direct process
Ξ
c
0
β
Ξ
0
K
+
K
β
\Xi_{c}^{0} \rightarrow \Xi^{0} K^+ K^-
Ξ
c
0
β
β
Ξ
0
K
+
K
β
. We present these measurements, relative to the normalization mode
Ξ
β
Ο
+
\Xi^{-}\pi^{+}
Ξ
β
Ο
+
, and find branching ratios
B
(
Ξ
c
0
β
Ξ
0
Ο
(
β
K
+
K
β
)
)
B
(
Ξ
c
0
β
Ξ
β
Ο
+
)
=
0.036
Β±
0.004
(
s
t
a
t
.
)
Β±
0.002
(
s
y
s
t
.
)
\frac{\mathcal{B}(\Xi_{c}^{0} \rightarrow \Xi^{0} \phi (\rightarrow K^{+}K^{-}))}{\mathcal{B}(\Xi_{c}^{0} \rightarrow \Xi^{-} \pi^{+})} = 0.036 \pm 0.004 (stat.) \pm 0.002 (syst.)
B
(
Ξ
c
0
β
β
Ξ
β
Ο
+
)
B
(
Ξ
c
0
β
β
Ξ
0
Ο
(
β
K
+
K
β
))
β
=
0.036
Β±
0.004
(
s
t
a
t
.
)
Β±
0.002
(
sys
t
.
)
and
B
(
Ξ
c
0
β
Ξ
0
K
+
K
β
)
B
(
Ξ
c
0
β
Ξ
β
Ο
+
)
=
0.039
Β±
0.004
(
s
t
a
t
.
)
Β±
0.002
(
s
y
s
t
.
)
\frac{\mathcal{B}(\Xi_{c}^{0} \rightarrow \Xi^{0} K^{+} K^{-})}{\mathcal{B}(\Xi_{c}^{0} \rightarrow \Xi^{-} \pi^{+})} = 0.039 \pm 0.004 (stat.) \pm 0.002 (syst.)
B
(
Ξ
c
0
β
β
Ξ
β
Ο
+
)
B
(
Ξ
c
0
β
β
Ξ
0
K
+
K
β
)
β
=
0.039
Β±
0.004
(
s
t
a
t
.
)
Β±
0.002
(
sys
t
.
)
which suggest that only minor cusping peaks occur in the combinatorial background of
Ξ©
β
β
β
Ξ
0
K
β
\Omega^{*-} \to \Xi^{0}K^{-}
Ξ©
ββ
β
Ξ
0
K
β
due to these
Ξ
c
0
\Xi_{c}^{0}
Ξ
c
0
β
decays
Similar works
Full text
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Last time updated on 19/02/2021