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- Title
- First observation of $B_s0\to J/\psi\eta$ and $B_s0\to J/\psi\eta$
- Publication Year
- 2012-05-03
- Abstract
-
WereportfirstobservationsofB0s
!J=candB0s
!J=c0.Theresultsareobtainedfrom
121:4fb1ofdatacollectedattheð5SÞresonancewiththeBelledetectorattheKEKBeþecollider.
WeobtainthebranchingfractionsBðB0s
!J=cÞ¼½5:100:50ðstatÞ0:25ðsystÞþ1:14
0:79
ðNB
ðÞ
s
B
ðÞ
s
Þ104,
andBðB0s
!J=c0Þ¼½3:710:61ðstatÞ0:18ðsystÞþ0:83
0:57
ðNB
ðÞ
s
B
ðÞ
s
Þ104.Theratioofthetwo
branchingfractionsismeasuredtobeBðBs!J=c0Þ
BðBs!J=cÞ¼0:730:14ðstatÞ0:02ðsystÞ
- Keyword
- HighEnergyPhysics; ParticlePhysics; belle
- Journal Title
- PhysicalReviewLetters
- Citation Volume
- 108
- ISSN
- 0031-9007
- Files in This Item:
- There are no files associated with this item.
- Appears in Collections:
- 7. KISTI 연구성과 > 학술지 발표논문
