Study of $e^+e^- \rightarrow \Upsilon(1S,2S)\eta$ and $e^+e^-\rightarrow \Upsilon(1S)\eta^{\prime}$ at $\sqrt{s}=10.866$ GeV with the Belle detector
E. Kovalenko
,
A. Garmash
,
P. Krokovny
,
I. Adachi
,
H. Aihara
,
D.M. Asner
,
V. Aulchenko
,
T. Aushev
,
R. Ayad
,
V. Babu
,
S. Bahinipati
,
P. Behera
,
J. Bennett
,
M. Bessner
,
T. Bilka
,
J. Biswal
,
A. Bobrov
,
A. Bondar
,
G. Bonvicini
,
A. Bozek
,
M. Bračko
,
T.E. Browder
,
M. Campajola
,
L. Cao
,
D. Červenkov
,
M.-C. Chang
,
B.G. Cheon
,
K. Chilikin
,
H.E. Cho
,
K. Cho
,
S.-J. Cho
,
S.-K. Choi
,
Y. Choi
,
S. Choudhury
,
D. Cinabro
,
S. Cunliffe
,
S. Das
,
G. De Nardo
,
F. Di Capua
,
Z. Doležal
,
T.V. Dong
,
S. Eidelman
,
D. Epifanov
,
T. Ferber
,
A. Frey
,
B.G. Fulsom
,
R. Garg
,
V. Gaur
,
N. Gabyshev
,
A. Giri
,
P. Goldenzweig
,
D. Greenwald
,
K. Gudkova
,
C. Hadjivasiliou
,
T. Hara
,
K. Hayasaka
,
W.-S. Hou
,
C.-L. Hsu
,
T. Iijima
,
K. Inami
,
A. Ishikawa
,
R. Itoh
,
M. Iwasaki
,
W.W. Jacobs
,
Y. Jin
,
K.K. Joo
,
G. Karyan
,
H. Kichimi
,
C. Kiesling
,
C.H. Kim
,
D.Y. Kim
,
K.-H. Kim
,
S.H. Kim
,
Y.-K. Kim
,
K. Kinoshita
,
P. Kodyš
,
T. Konno
,
A. Korobov
,
S. Korpar
,
P. Križan
,
R. Kroeger
,
T. Kuhr
,
M. Kumar
,
R. Kumar
,
K. Kumara
,
A. Kuzmin
,
Y.-J. Kwon
,
K. Lalwani
,
J.S. Lange
,
S.C. Lee
,
Y.B. Li
,
L. Li Gioi
,
J. Libby
,
K. Lieret
,
D. Liventsev
,
C. Macqueen
,
M. Masuda
,
T. Matsuda
,
D. Matvienko
,
M. Merola
,
F. Metzner
,
K. Miyabayashi
,
R. Mizuk
,
G.B. Mohanty
,
M. Nakao
,
A. Natochii
,
L. Nayak
,
M. Niiyama
,
N.K. Nisar
,
S. Nishida
,
K. Ogawa
,
S. Ogawa
,
H. Ono
,
P. Oskin
,
P. Pakhlov
,
G. Pakhlova
,
S. Pardi
,
H. Park
,
S.-H. Park
,
S. Patra
,
S. Paul
,
T.K. Pedlar
,
R. Pestotnik
,
L.E. Piilonen
,
T. Podobnik
,
E. Prencipe
,
M.T. Prim
,
A. Rabusov
,
M. Röhrken
,
A. Rostomyan
,
N. Rout
,
G. Russo
,
D. Sahoo
,
Y. Sakai
,
S. Sandilya
,
A. Sangal
,
T. Sanuki
,
V. Savinov
,
G. Schnell
,
C. Schwanda
,
Y. Seino
,
K. Senyo
,
M.E. Sevior
,
C. Sharma
,
J.-G. Shiu
,
B. Shwartz
,
A. Sokolov
,
E. Solovieva
,
M. Starič
,
Z.S. Stottler
,
M. Sumihama
,
T. Sumiyoshi
,
W. Sutcliffe
,
M. Takizawa
,
U. Tamponi
,
K. Tanida
,
F. Tenchini
,
K. Trabelsi
(1)
,
M. Uchida
,
T. Uglov
,
Y. Unno
,
K. Uno
,
S. Uno
,
P. Urquijo
,
Y. Usov
,
R. van Tonder
,
G. Varner
,
A. Vinokurova
,
E. Waheed
,
C.H. Wang
,
M.-Z. Wang
,
P. Wang
,
M. Watanabe
,
O. Werbycka
,
E. Won
,
W. Yan
,
S.B. Yang
,
H. Ye
,
J.H. Yin
,
Y. Yusa
,
Z.P. Zhang
,
V. Zhilich
,
V. Zhukova
E. Kovalenko
- Function : Author
A. Garmash
- Function : Author
P. Krokovny
- Function : Author
I. Adachi
- Function : Author
H. Aihara
- Function : Author
D.M. Asner
- Function : Author
V. Aulchenko
- Function : Author
T. Aushev
- Function : Author
R. Ayad
- Function : Author
V. Babu
- Function : Author
S. Bahinipati
- Function : Author
P. Behera
- Function : Author
J. Bennett
- Function : Author
M. Bessner
- Function : Author
T. Bilka
- Function : Author
J. Biswal
- Function : Author
A. Bobrov
- Function : Author
A. Bondar
- Function : Author
G. Bonvicini
- Function : Author
A. Bozek
- Function : Author
M. Bračko
- Function : Author
T.E. Browder
- Function : Author
M. Campajola
- Function : Author
L. Cao
- Function : Author
D. Červenkov
- Function : Author
M.-C. Chang
- Function : Author
B.G. Cheon
- Function : Author
K. Chilikin
- Function : Author
H.E. Cho
- Function : Author
K. Cho
- Function : Author
S.-J. Cho
- Function : Author
S.-K. Choi
- Function : Author
Y. Choi
- Function : Author
- PersonId : 755170
- ORCID : 0000-0001-5790-3129
S. Choudhury
- Function : Author
D. Cinabro
- Function : Author
S. Cunliffe
- Function : Author
S. Das
- Function : Author
G. De Nardo
- Function : Author
F. Di Capua
- Function : Author
Z. Doležal
- Function : Author
T.V. Dong
- Function : Author
S. Eidelman
- Function : Author
D. Epifanov
- Function : Author
T. Ferber
- Function : Author
A. Frey
- Function : Author
B.G. Fulsom
- Function : Author
R. Garg
- Function : Author
V. Gaur
- Function : Author
N. Gabyshev
- Function : Author
A. Giri
- Function : Author
P. Goldenzweig
- Function : Author
D. Greenwald
- Function : Author
K. Gudkova
- Function : Author
C. Hadjivasiliou
- Function : Author
T. Hara
- Function : Author
K. Hayasaka
- Function : Author
W.-S. Hou
- Function : Author
C.-L. Hsu
- Function : Author
T. Iijima
- Function : Author
K. Inami
- Function : Author
A. Ishikawa
- Function : Author
R. Itoh
- Function : Author
M. Iwasaki
- Function : Author
W.W. Jacobs
- Function : Author
Y. Jin
- Function : Author
K.K. Joo
- Function : Author
G. Karyan
- Function : Author
H. Kichimi
- Function : Author
C. Kiesling
- Function : Author
C.H. Kim
- Function : Author
D.Y. Kim
- Function : Author
K.-H. Kim
- Function : Author
S.H. Kim
- Function : Author
Y.-K. Kim
- Function : Author
K. Kinoshita
- Function : Author
P. Kodyš
- Function : Author
T. Konno
- Function : Author
A. Korobov
- Function : Author
S. Korpar
- Function : Author
P. Križan
- Function : Author
R. Kroeger
- Function : Author
T. Kuhr
- Function : Author
M. Kumar
- Function : Author
R. Kumar
- Function : Author
K. Kumara
- Function : Author
A. Kuzmin
- Function : Author
Y.-J. Kwon
- Function : Author
K. Lalwani
- Function : Author
J.S. Lange
- Function : Author
S.C. Lee
- Function : Author
Y.B. Li
- Function : Author
L. Li Gioi
- Function : Author
J. Libby
- Function : Author
K. Lieret
- Function : Author
D. Liventsev
- Function : Author
C. Macqueen
- Function : Author
M. Masuda
- Function : Author
T. Matsuda
- Function : Author
D. Matvienko
- Function : Author
M. Merola
- Function : Author
F. Metzner
- Function : Author
K. Miyabayashi
- Function : Author
R. Mizuk
- Function : Author
G.B. Mohanty
- Function : Author
M. Nakao
- Function : Author
A. Natochii
- Function : Author
L. Nayak
- Function : Author
M. Niiyama
- Function : Author
N.K. Nisar
- Function : Author
S. Nishida
- Function : Author
K. Ogawa
- Function : Author
- PersonId : 755304
- ORCID : 0000-0002-4856-7108
S. Ogawa
- Function : Author
H. Ono
- Function : Author
P. Oskin
- Function : Author
P. Pakhlov
- Function : Author
G. Pakhlova
- Function : Author
S. Pardi
- Function : Author
H. Park
- Function : Author
S.-H. Park
- Function : Author
S. Patra
- Function : Author
S. Paul
- Function : Author
T.K. Pedlar
- Function : Author
R. Pestotnik
- Function : Author
L.E. Piilonen
- Function : Author
T. Podobnik
- Function : Author
E. Prencipe
- Function : Author
M.T. Prim
- Function : Author
A. Rabusov
- Function : Author
M. Röhrken
- Function : Author
A. Rostomyan
- Function : Author
N. Rout
- Function : Author
G. Russo
- Function : Author
D. Sahoo
- Function : Author
Y. Sakai
- Function : Author
S. Sandilya
- Function : Author
A. Sangal
- Function : Author
T. Sanuki
- Function : Author
V. Savinov
- Function : Author
G. Schnell
- Function : Author
C. Schwanda
- Function : Author
Y. Seino
- Function : Author
K. Senyo
- Function : Author
M.E. Sevior
- Function : Author
C. Sharma
- Function : Author
J.-G. Shiu
- Function : Author
B. Shwartz
- Function : Author
A. Sokolov
- Function : Author
E. Solovieva
- Function : Author
M. Starič
- Function : Author
Z.S. Stottler
- Function : Author
M. Sumihama
- Function : Author
T. Sumiyoshi
- Function : Author
W. Sutcliffe
- Function : Author
M. Takizawa
- Function : Author
U. Tamponi
- Function : Author
K. Tanida
- Function : Author
F. Tenchini
- Function : Author
M. Uchida
- Function : Author
T. Uglov
- Function : Author
Y. Unno
- Function : Author
K. Uno
- Function : Author
S. Uno
- Function : Author
P. Urquijo
- Function : Author
Y. Usov
- Function : Author
R. van Tonder
- Function : Author
G. Varner
- Function : Author
A. Vinokurova
- Function : Author
E. Waheed
- Function : Author
C.H. Wang
- Function : Author
M.-Z. Wang
- Function : Author
P. Wang
- Function : Author
M. Watanabe
- Function : Author
O. Werbycka
- Function : Author
E. Won
- Function : Author
W. Yan
- Function : Author
S.B. Yang
- Function : Author
H. Ye
- Function : Author
J.H. Yin
- Function : Author
Y. Yusa
- Function : Author
Z.P. Zhang
- Function : Author
V. Zhilich
- Function : Author
V. Zhukova
- Function : Author
Abstract
We report the first observation of the processes at , with significance exceeding for both processes. The measured Born cross sections are , and . We also set the upper limit on the cross section of the process to be at 90% C.L. The results are obtained with the data sample collected with the Belle detector at the KEKB asymmetric-energy collider in the energy range from 10.63 to 11.02 GeV.
Keywords
electron positron: annihilation
electron positron: colliding beams
eta
eta(958)
BELLE
Born approximation
tree approximation
Upsilon(9460): electroproduction
Upsilon(10020): electroproduction
KEK-B
channel cross section: measured
channel cross section: upper limit
experimental results
electron positron --> Upsilon(9460) eta
electron positron --> Upsilon(10020) eta
electron positron --> Upsilon(9460) eta(958)
10.63-11.02 GeV-cms
14.40.Pq
13.25.Gv
13.66.Bc