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  4. Measurement of the Λb0 → Λ(1520)μ+μ- Differential Branching Fraction
 
research article

Measurement of the Λb0 → Λ(1520)μ+μ- Differential Branching Fraction

Aaij, R.
•
Abdelmotteleb, A. S. W.
•
Beteta, C. Abellan
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October 10, 2023
Physical Review Letters

The branching fraction of the rare decay Lambda(0 )(b)-> Lambda(1520)mu(+)mu(-) is measured for the first time, in the squared dimuon mass intervals q(2), excluding the J/psi and psi(2S) regions. The data sample analyzed was collected by the LHCb experiment at center-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb(-1). The result in the highest q(2) interval, q(2) > 15.0 GeV2/c(4), where theoretical predictions have the smallest model dependence, agrees with the predictions.

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Type
research article
DOI
10.1103/PhysRevLett.131.151801
Web of Science ID

WOS:001102939300004

Author(s)
Aaij, R.
Abdelmotteleb, A. S. W.
Beteta, C. Abellan
Abudinen, F.
Ackernley, T.
Adeva, B.
Adinolfi, M.
Adlarson, P.
Afsharnia, H.
Agapopoulou, C.
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Corporate authors
LHCb Collaboration
Date Issued

2023-10-10

Publisher

Amer Physical Soc

Published in
Physical Review Letters
Volume

131

Issue

15

Article Number

151801

Subjects

Physical Sciences

•

Decay B-0

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K-Asterisk(0)Mu(+)Mu(-)

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Collisions

•

Tool

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPHE  
FunderGrant Number

CERN

CAPES, CNPq, FAPERJ and FINEP (Brazil)

MOST and NSFC (China)

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Available on Infoscience
March 18, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/206269
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