Evidence for a vector charmoniumlike state in
e + e − → D s + D s 2 * ( 2573 ) − + c . c .
S. Jia
,
C P Shen
,
I. ADACHI
,
H. Aihara
,
S. Al Said
,
D. M. Asner
,
H. Atmacan
,
V. Aulchenko
,
R. Ayad
,
I. Badhrees
,
P. Behera
,
K. Belous
,
J. Bennett
,
D. BESSON
,
V. Bhardwaj
,
T. Bilka
,
J. Biswal
,
G. Bonvicini
,
A. Bozek
,
M. Bračko
,
T. E. BROWDER
,
M. Campajola
,
D. Červenkov
,
P. Chang
,
A. Chen
,
B. G. CHEON
,
K. Chilikin
,
K. Cho
,
S.-K. Choi
,
S. K. Choi
,
Y. Choi
,
S Choudhury
,
D. Cinabro
,
S. Cunliffe
,
DASH N.
,
G. De Nardo
,
F. Di Capua
,
Z. Doležal
,
T. V. Dong
,
S Eidelman
,
D. Epifanov
,
J. E. FAST
,
T. Ferber
,
D. Ferlewicz
,
B. G. Fulsom
,
R. Garg
,
V. Gaur
,
N. Gabyshev
,
A. Garmash
,
A. Giri
,
P. Goldenzweig
,
B Golob
,
B. Golob
,
O. Grzymkowska
,
O. Hartbrich
,
K. Hayasaka
,
H. Hayashii
,
W. S. HOU
,
C. L. Hsu
,
K. Inami
,
G. Inguglia
,
A. Ishikawa
,
R. Itoh
,
M. Iwasaki
,
Y. Iwasaki
,
H. B. Jeon
,
Y. Jin
,
K. K. Joo
,
G. Karyan
,
T. Kawasaki
,
C. Kiesling
,
B H Kim
,
D.-Y. Kim
,
K.-H. Kim
,
K H Kim
,
S.H. Kim
,
Y.-K. Kim
,
K Kinoshita
,
P. Kodyš
,
S. Korpar
,
D. Kotchetkov
,
P. Križan
,
R. Kroeger
,
P. Krokovny
,
R Kulasiri
,
A. Kuzmin
,
Y. J. Kwon
,
K. Lalwani
,
J. S. LANGE
,
S. C. Lee
,
L. K. Li
,
Y. B. Li
,
Y B Li
,
L. Li Gioi
,
J Libby
,
K. Lieret
,
D Liventsev
,
J MacNaughton
,
C. MacQueen
,
M. Masuda
,
T. Matsuda
,
D. Matvienko
,
M Merola
,
R. Mizuk
,
T. J. Moon
,
]t Mori
,
M. Mrvar
,
M. Nakao
,
M Nayak
,
N. K. Nisar
,
S. Nishida
,
S. Ogawa
,
H. Ono
,
P. Oskin
,
P. Pakhlov
,
G. Pakhlova
,
S. Pardi
,
S. Patra
,
S. Paul
,
T. K. Pedlar
,
R. Pestotnik
,
L. E. Piilonen
,
T. Podobnik
,
V Popov
,
V. Popov
,
E. Prencipe
,
M. T. Prim
,
A. Rostomyan
,
N. Rout
,
G. Russo
,
Y. Sakai
,
S. Sandilya
,
L. Santelj
,
T. Sanuki
,
V. Savinov
,
G. SCHNELL
,
J. Schueler
,
C. Schwanda
,
Y. Seino
,
K. Senyo
,
M. E. Sevior
,
M. Shapkin
,
V. Shebalin
,
J.-G. SHIU
,
B. SHWARTZ
,
E. Solovieva
,
S. Stanič
,
M. Starič
,
Z. S. Stottler
,
J. F. Strube
,
M. Sumihama
,
T. Sumiyoshi
,
W. Sutcliffe
,
M. Takizawa
,
K. Tanida
,
F. Tenchini
,
M. Uchida
,
T. Uglov
,
Y. Unno
,
S. Uno
,
Y. Usov
,
R. van Tonder
,
G. Varner
,
A. Vinokurova
,
C H Wang
,
E. Wang
,
M.-Z. Wang
,
P. Wang
,
X. L. Wang
,
M. Watanabe
,
E. Won
,
X Xu
,
Yan W
,
S. B. Yang
,
H Ye
,
C. Z. Yuan
,
Y. Yusa
,
Z. P. Zhang
,
V. Zhilich
,
V. ZHUKOVA
,
V. Zhulanov
Publication type: Journal Article
Publication date: 2020-05-12
scimago Q1
wos Q1
SJR: 1.458
CiteScore: 9.0
Impact factor: 5.3
ISSN: 24700010, 24700029, 05562821, 10894918, 15507998, 15502368
Abstract
We report the measurement of $e^+e^- \to D^+_sD^*_{s2}(2573)^-+c.c.$ via initial-state radiation using a data sample of an integrated luminosity of 921.9 fb$^{-1}$ collected with the Belle detector at the $\Upsilon(4S)$ and nearby. We find evidence for an enhancement with a 3.4$\sigma$ significance in the invariant mass of $D^+_sD^*_{s2}(2573)^- +c.c.$ The measured mass and width are $(4619.8^{+8.9}_{-8.0}({\rm stat.})\pm2.3({\rm syst.}))~{\rm MeV}/c^{2}$ and $(47.0^{+31.3}_{-14.8}({\rm stat.})\pm4.6({\rm syst.}))~{\rm MeV}$, respectively. The mass, width, and quantum numbers of this enhancement are consistent with the charmonium-like state at 4626 MeV/$c^2$ recently reported by Belle in $e^+e^-\to D^+_sD_{s1}(2536)^-+c.c.$ The product of the $e^+e^-\to D^+_sD^*_{s2}(2573)^-+c.c.$ cross section and the branching fraction of $D^*_{s2}(2573)^-\to{\bar D}^0K^-$ is measured from $D^+_sD^*_{s2}(2573)^-$ threshold to 5.6 GeV.
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Jia S. et al. Evidence for a vector charmoniumlike state in e+e−→Ds+Ds2*(2573)−+c.c. // Physical Review D. 2020. Vol. 101. No. 9. 091101
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Jia S. et al. Evidence for a vector charmoniumlike state in e+e−→Ds+Ds2*(2573)−+c.c. // Physical Review D. 2020. Vol. 101. No. 9. 091101
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@article{2020_Jia,
author = {S. Jia and C P Shen and Guangyu Zhang and I. ADACHI and H. Aihara and S. Al Said and D. M. Asner and H. Atmacan and V. Aulchenko and T. Aushev and R. Ayad and I. Badhrees and P. Behera and K. Belous and J. Bennett and D. BESSON and V. Bhardwaj and T. Bilka and J. Biswal and G. Bonvicini and A. Bozek and M. Bračko and T. E. BROWDER and M. Campajola and D. Červenkov and P. Chang and A. Chen and B. G. CHEON and K. Chilikin and K. Cho and S.-K. Choi and S. K. Choi and Y. Choi and S. Choudhury and S Choudhury and D. Cinabro and S. Cunliffe and DASH N. and G. De Nardo and F. Di Capua and Z. Doležal and T. V. Dong and S Eidelman and D. Epifanov and J. E. FAST and T. Ferber and D. Ferlewicz and B. G. Fulsom and R. Garg and V. Gaur and others},
title = {Evidence for a vector charmoniumlike state in e+e−→Ds+Ds2*(2573)−+c.c.},
journal = {Physical Review D},
year = {2020},
volume = {101},
publisher = {American Physical Society (APS)},
month = {may},
url = {https://doi.org/10.1103/PhysRevD.101.091101},
number = {9},
pages = {091101},
doi = {10.1103/PhysRevD.101.091101}
}
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