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- Title
Precision measurement of the Ξcc++ mass.
- Authors
Aaij, R.; Abellán Beteta, C.; Ackernley, T.; Adeva, B.; Adinolfi, M.; Afsharnia, H.; Aidala, C. A.; Aiola, S.; Ajaltouni, Z.; Akar, S.; Albicocco, P.; Albrecht, J.; Alessio, F.; Alexander, M.; Alfonso Albero, A.; Alkhazov, G.; Alvarez Cartelle, P.; Alves, A. A. Jr; Amato, S.; Amhis, Y.
- Abstract
A measurement of the Ξ cc + + mass is performed using data collected by the LHCb experiment between 2016 and 2018 in pp collisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.6 fb−1. The Ξ cc + + candidates are reconstructed via the decay modes Ξ cc + + → Λ c + K − π + π + and Ξ cc + + → Ξ c + π + . The result, 3621.55 ± 0.23 (stat) ± 0.30 (syst) MeV/c2, is the most precise measurement of the Ξ cc + + mass to date.
- Publication
Journal of High Energy Physics, 2020, Vol 2020, Issue 2, p1
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP02(2020)049