First measurement of inclusive B→Xsη decays

K. Nishimura,T. E. Browder,I. Adachi,H. Aihara,K. Arinstein,K. Arinstein,T. Aushev,A. M. Bakich,V Balagura,Elisabetta Luigia Barberio,Konstantin Belous,V. Bhardwaj,M. Bischofberger,A. Bondar,A. Bondar,A. Bozek,M. Bračko,M. C. Chang,Y. Chao,A. Chen,K. F. Chen,P.H. Chen,B. G. Cheon,C.-C. Chiang,I.-S. Cho,Y. K. Choi,J. Dalseno,J. Dalseno,Mikhail Danilov,Z. Dolex̌al,A. Drutskoy,S.I. Eidelman,S.I. Eidelman,N. Gabyshev,N. Gabyshev,B. Golob,H. Ha,J. Haba,T. Hara,K. Hayasaka,H. Hayashii,Yasuyuki Horii,Y. Hoshi,W.-S. Hou,H. J. Hyun,T. Iijima,K. Inami,R Itoh,M. Iwabuchi,Y. Iwasaki,N. J. Joshi,T. Julius,Ju Hwan Kang,P. Kapusta,H. Kawai,T. Kawasaki,H. Kichimi,C. Kiesling,H.J. Kim,Hoil Kim,M.J. Kim,Y. J. Kim,K. Kinoshita,Br Ko,Peter Kodys,S. Korpar,P. Krix̌an,T. Kumita,A. Kuzmin,A. Kuzmin,Y. J. Kwon,S.-H. Kyeong,J. S. Lange,Min-Jae Lee,Seo Won Lee,J. Li,C. Y. Liu,Yueh-Feng Liu,D. Liventsev,R. Louvot,A. Matyja,S. McOnie,K. Miyabayashi,H. Miyata,Y. Miyazaki,G. B. Mohanty,T. Mori,E. Nakano,M. Nakao,H. Nakazawa,Z. Natkaniec,S. Nishida,S. Ogawa,T. Ohshima,S. L. Olsen,S. L. Olsen,W. Ostrowicz,G. Pakhlova,C. W. Park,H. Park,Hyangkyu Park,K. S. Park,R. Pestotnik,M. Petrić,L. E. Piilonen,M. Röhrken,Sunmin Ryu,H. Sahoo,Y. Sakai,O. Schneider,C. Schwanda,A J Schwartz,K. Senyo,O. Seon,M. E. Sevior,M. Shapkin,C. P. Shen,J. G. Shiu,F. Simon,F. Simon,P. Smerkol,A. Sokolov,E. Solovieva,M. Starič,T. Sumiyoshi,S. Suzuki,Y. Teramoto,Karim Trabelsi,S. Uehara,T Uglov,Y. Unno,S. Uno,G.S. Varner,K. E. Varvell,K. Vervink,Chunjie Wang,M.-Z. Wang,P. Wang,Y. Watanabe,Jean Wicht,K. M. Williams,Eunil Won,Y. Yamashita,M. Yamauchi,C. C. Zhang,Z. P. Zhang,P. Zhou,Vladimir Zhulanov,Vladimir Zhulanov,T. Zivko,A. Zupanc,O. Zyukova,O. Zyukova

First measurement of inclusive B→Xsη decays

2010

K. Nishimura
T. E. Browder
I. Adachi
H. Aihara
K. Arinstein
K. Arinstein
T. Aushev
A. M. Bakich
V Balagura
Elisabetta Luigia Barberio
Konstantin Belous
V. Bhardwaj
M. Bischofberger
A. Bondar
A. Bondar
A. Bozek
M. Bračko
M. C. Chang
Y. Chao
A. Chen
K. F. Chen
P.H. Chen
B. G. Cheon
C.-C. Chiang
I.-S. Cho
Y. K. Choi
J. Dalseno
J. Dalseno
Mikhail Danilov
Z. Dolex̌al
A. Drutskoy
S.I. Eidelman
S.I. Eidelman
N. Gabyshev
N. Gabyshev
B. Golob
H. Ha
J. Haba
T. Hara
K. Hayasaka
H. Hayashii
Yasuyuki Horii
Y. Hoshi
W.-S. Hou
H. J. Hyun
T. Iijima
K. Inami
R Itoh
M. Iwabuchi
Y. Iwasaki
N. J. Joshi
T. Julius
Ju Hwan Kang
P. Kapusta
H. Kawai
T. Kawasaki
H. Kichimi
C. Kiesling
H.J. Kim
Hoil Kim
M.J. Kim
Y. J. Kim
K. Kinoshita
Br Ko
Peter Kodys
S. Korpar
P. Krix̌an
T. Kumita
A. Kuzmin
A. Kuzmin
Y. J. Kwon
S.-H. Kyeong
J. S. Lange
Min-Jae Lee
Seo Won Lee
J. Li
C. Y. Liu
Yueh-Feng Liu
D. Liventsev
R. Louvot
A. Matyja
S. McOnie
K. Miyabayashi
H. Miyata
Y. Miyazaki
G. B. Mohanty
T. Mori
E. Nakano
M. Nakao
H. Nakazawa
Z. Natkaniec
S. Nishida
S. Ogawa
T. Ohshima
S. L. Olsen
S. L. Olsen
W. Ostrowicz
G. Pakhlova
C. W. Park
H. Park
Hyangkyu Park
K. S. Park
R. Pestotnik
M. Petrić
L. E. Piilonen
M. Röhrken
Sunmin Ryu
H. Sahoo
Y. Sakai
O. Schneider
C. Schwanda
A J Schwartz
K. Senyo
O. Seon
M. E. Sevior
M. Shapkin
C. P. Shen
J. G. Shiu
F. Simon
F. Simon
P. Smerkol
A. Sokolov
E. Solovieva
M. Starič
T. Sumiyoshi
S. Suzuki
Y. Teramoto
Karim Trabelsi
S. Uehara
T Uglov
Y. Unno
S. Uno
G.S. Varner
K. E. Varvell
K. Vervink
Chunjie Wang
M.-Z. Wang
P. Wang
Y. Watanabe
Jean Wicht
K. M. Williams
Eunil Won
Y. Yamashita
M. Yamauchi
C. C. Zhang
Z. P. Zhang
P. Zhou
Vladimir Zhulanov
Vladimir Zhulanov
T. Zivko
A. Zupanc
O. Zyukova
O. Zyukova

We report a first measurement of inclusive B → X s ƞ decays, where X s is a charmless state with unit strangeness. The measurement is based on a pseudoinclusive reconstruction technique and uses a sample of 657 × 10 6 BB pairs accumulated with the Belle detector at the KEKB e + e- collider. For M Xs 1.8 GeV/c 2 .

Keywords:

Atomic physics
Physics
Detector
Strangeness
Particle physics
KEKB
Collider

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