The collinear and transverse-momentum-dependent jet fragmentation function and the radial profile for B± mesons in jets are measured. The B± mesons are reconstructed through the J/ψ (→ μ+ μ-) K± decay channel using proton-proton collision data collected during 2016-2018 with the LHCb detector at a center-of-mass (c.m.) energy of √s = 13 TeV, corresponding to an integrated luminosity of 5.4 fb-1. The results complement recent measurements of jet fragmentation functions for heavy-flavor hadrons and suggest a growing contribution of gluon fragmentation to B± mesons as the jet transverse momentum increases.
(2026). B-jet fragmentation with B± → J/ψK± decays in √s=13 TeV pp collisions at LHCb [journal article - articolo]. In PHYSICAL REVIEW D. Retrieved from https://hdl.handle.net/10446/335251
B-jet fragmentation with B± → J/ψK± decays in √s=13 TeV pp collisions at LHCb
Lupato, A.;Redi, F.;
2026-01-01
Abstract
The collinear and transverse-momentum-dependent jet fragmentation function and the radial profile for B± mesons in jets are measured. The B± mesons are reconstructed through the J/ψ (→ μ+ μ-) K± decay channel using proton-proton collision data collected during 2016-2018 with the LHCb detector at a center-of-mass (c.m.) energy of √s = 13 TeV, corresponding to an integrated luminosity of 5.4 fb-1. The results complement recent measurements of jet fragmentation functions for heavy-flavor hadrons and suggest a growing contribution of gluon fragmentation to B± mesons as the jet transverse momentum increases.| File | Dimensione del file | Formato | |
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