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Measurement of the Λb0 → Λ(1520)Ό+Ό- Differential Branching Fraction
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- Aaij, R. (author)
- Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands;Univ Groningen, Van Swinderen Inst, Groningen, Netherlands;Univ Maastricht, Maastricht, Netherlands
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- Adlarson, Patrik (author)
- Uppsala universitet,Kärnfysik
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- Alexander, M. (author)
- Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland.
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- American Physical Society, 2023
- 2023
- English.
- In: Physical Review Letters. - : American Physical Society. - 0031-9007 .- 1079-7114. ; 131:15
- Journal article (peer-reviewed)
Abstract
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
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- art (subject category)
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- Aaij, R.
- Adlarson, Patrik
- Alexander, M.
- Bobulska, D.
- Douglas, L.
- Eklund, Lars
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- Friday, D. A.
- Grillo, L.
- Kupsc, Andrzej
- Longstaff, I.
- McHugh, N. T.
- Petric, M.
- Schiller, M.
- Soler, F. J. P.
- Spradlin, P.
- Whitehead, M.
- Zunica, G.
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