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Aaij, R.;
Abdelmotteleb, A. S. W.;
Abellan Beteta, C.;
Abudinén, F.;
Ackernley, T.;
Adefisoye, A. A.;
Adeva, B.;
Adinolfi, M.;
Adlarson, P.;
Agapopoulou, C.;
Aidala, C. A.;
Ajaltouni, Z.;
Akar, S.;
Akiba, K.;
Albicocco, P.;
Albrecht, J.;
Alessio, F.;
Alexander, M.;
Aliouche, Z.;
Alvarez Cartelle, P.;
Amalric, R.;
Amato, S.;
Amey, J. L.;
Amhis, Y.;
[...]
Search for the rare decay of charmed baryon Λc+ into the pμ+μ− final state
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- Medientyp: E-Artikel
- Titel: Search for the rare decay of charmed baryon Λc+ into the pμ+μ− final state
- Beteiligte: Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinén, F.; Ackernley, T.; Adefisoye, A. A.; Adeva, B.; Adinolfi, M.; Adlarson, P.; Agapopoulou, C.; Aidala, C. A.; Ajaltouni, Z.; Akar, S.; Akiba, K.; Albicocco, P.; Albrecht, J.; Alessio, F.; Alexander, M.; Aliouche, Z.; Alvarez Cartelle, P.; Amalric, R.; Amato, S.; Amey, J. L.; Amhis, Y.; [...]
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Erschienen:
American Physical Society (APS), 2024
- Erschienen in: Physical Review D, 110 (2024) 5
- Sprache: Englisch
- DOI: 10.1103/physrevd.110.052007
- ISSN: 2470-0010; 2470-0029
- Entstehung:
- Anmerkungen:
- Beschreibung: A search for the nonresonant Λc+→pμ+μ− decay is performed using proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the LHCb experiment, corresponding to an integrated luminosity of 5.4 fb−1. No evidence for the decay is found in the dimuon invariant-mass regions where the expected contributions of resonances is subdominant. The upper limit on the branching fraction of the Λc+→pμ+μ− decay is determined to be 2.9(3.2)×10−8 at 90%(95%) confidence level. The branching fractions in the dimuon invariant-mass regions dominated by the η, ρ and ω resonances are also determined. © 2024 CERN, for the LHCb Collaboration 2024 CERN