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First observation and branching fraction measurement of the Λb0→Ds−p decay

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  • Additional Information
    • Contributors:
      Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinen, F.; Ackernley, T.; Adeva, B.; Adinolfi, M.; Adlarson, P.; Afsharnia, H.; Agapopoulou, C.; Aidala, C. A.; Ajaltouni, Z.; Akar, S.; Akiba, K.; Albicocco, P.; Albrecht, J.; Alessio, F.; Alexander, M.; Alfonso Albero, A.; Aliouche, Z.; Alvarez Cartelle, P.; Amalric, R.; Amato, S.; Amey, J. L.; Amhis, Y.; An, L.; Anderlini, L.; Andersson, M.; Andreianov, A.; Andreotti, M.; Andreou, D.; Ao, D.; Archilli, F.; Artamonov, A.; Artuso, M.; Aslanides, E.; Atzeni, M.; Audurier, B.; Bachiller Perea, I. B.; Bachmann, S.; Bachmayer, M.; Back, J. J.; Bailly-reyre, A.; Baladron Rodriguez, P.; Balagura, V.; Baldini, W.; Baptista de Souza Leite, J.; Barbetti, M.; Barlow, R. J.; Barsuk, S.; Barter, W.; Bartolini, M.; Baryshnikov, F.; Basels, J. M.; Bassi, G.; Batsukh, B.; Battig, A.; Bay, A.; Beck, A.; Becker, M.; Bedeschi, F.; Bediaga, I. B.; Beiter, A.; Belin, S.; Bellee, V.; Belous, K.; Belov, I.; Belyaev, I.; Benane, G.; Bencivenni, G.; Ben-Haim, E.; Berezhnoy, A.; Bernet, R.; Bernet Andres, S.; Berninghoff, D.; Bernstein, H. C.; Bertella, C.; Bertolin, A.; Betancourt, C.; Betti, F.; Bezshyiko, I.; Bhasin, S.; Bhom, J.; Bian, L.; Bieker, M. S.; Biesuz, N. V.; Billoir, P.; Biolchini, A.; Birch, M.; Bishop, F. C. R.; Bitadze, A.; Bizzeti, A.; Blago, M. P.; Blake, T.; Blanc, F.; Blank, J. E.; Blusk, S.; Bobulska, D.; Boelhauve, J. A.; Boente Garcia, O.
    • Publication Date:
      2023
    • Collection:
      Scuola Normale Superiore: CINECA IRIS
    • Abstract:
      The first observation of the Λb0→Ds−p decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of s = 13 TeV, corresponding to a total integrated luminosity of 6 fb −1. Using the Λb0→Λc+π− decay as the normalisation mode, the branching fraction of the Λb0→Ds−p decay is measured to be B(Λb0→Ds−p)=(12.6±0.5±0.3±1.2)×10−6 , where the first uncertainty is statistical, the second systematic and the third due to uncertainties in the branching fractions of the Λb0→Λc+π− , Ds−→K−K+π− and Λc+→pK−π+ decays. [Figure not available: see fulltext.]
    • Relation:
      info:eu-repo/semantics/altIdentifier/wos/WOS:001062420000002; volume:2023; issue:7; firstpage:1; lastpage:22; numberofpages:22; journal:JOURNAL OF HIGH ENERGY PHYSICS; https://hdl.handle.net/11384/140183; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85165296447
    • Accession Number:
      10.1007/JHEP07(2023)075
    • Online Access:
      https://doi.org/10.1007/JHEP07(2023)075
      https://hdl.handle.net/11384/140183
    • Rights:
      info:eu-repo/semantics/openAccess
    • Accession Number:
      edsbas.CB115469