Measurement of the non-prompt D-meson fraction as a function of multiplicity in proton-proton collisions at √s = 13 TeV
(2023) In Journal of High Energy Physics 2023(10).- Abstract
- The fractions of non-prompt (i.e. originating from beauty-hadron decays) D0 and D+ mesons with respect to the inclusive yield are measured as a function of the charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy of s = 13 TeV with the ALICE detector at the LHC. The results are reported in intervals of transverse momentum (p T) and integrated in the range 1 < p T < 24 GeV/c. The fraction of non-prompt D0 and D+ mesons is found to increase slightly as a function of p T in all the measured multiplicity intervals, while no significant dependence on the charged-particle multiplicity is observed. In order to investigate the production and hadronisation mechanisms of charm and beauty quarks, the results are... (More)
- The fractions of non-prompt (i.e. originating from beauty-hadron decays) D0 and D+ mesons with respect to the inclusive yield are measured as a function of the charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy of s = 13 TeV with the ALICE detector at the LHC. The results are reported in intervals of transverse momentum (p T) and integrated in the range 1 < p T < 24 GeV/c. The fraction of non-prompt D0 and D+ mesons is found to increase slightly as a function of p T in all the measured multiplicity intervals, while no significant dependence on the charged-particle multiplicity is observed. In order to investigate the production and hadronisation mechanisms of charm and beauty quarks, the results are compared to PYTHIA 8 as well as EPOS 3 and EPOS 4 Monte Carlo simulations, and to calculations based on the colour glass condensate including three-pomeron fusion. [Figure not available: see fulltext.]. © 2023, The Author(s). (Less)
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- author
- author collaboration
- organization
- publishing date
- 2023
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Hadron-Hadron Scattering, Heavy Quark Production
- in
- Journal of High Energy Physics
- volume
- 2023
- issue
- 10
- article number
- 92
- publisher
- Springer
- external identifiers
-
- scopus:85175832394
- ISSN
- 1029-8479
- DOI
- 10.1007/JHEP10(2023)092
- language
- English
- LU publication?
- yes
- id
- 8d6812cc-ea60-4fe3-8a32-c85ab78ae619
- date added to LUP
- 2024-01-16 13:09:14
- date last changed
- 2024-01-16 13:09:14
@article{8d6812cc-ea60-4fe3-8a32-c85ab78ae619, abstract = {{The fractions of non-prompt (i.e. originating from beauty-hadron decays) D0 and D+ mesons with respect to the inclusive yield are measured as a function of the charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy of s = 13 TeV with the ALICE detector at the LHC. The results are reported in intervals of transverse momentum (p T) and integrated in the range 1 < p T < 24 GeV/c. The fraction of non-prompt D0 and D+ mesons is found to increase slightly as a function of p T in all the measured multiplicity intervals, while no significant dependence on the charged-particle multiplicity is observed. In order to investigate the production and hadronisation mechanisms of charm and beauty quarks, the results are compared to PYTHIA 8 as well as EPOS 3 and EPOS 4 Monte Carlo simulations, and to calculations based on the colour glass condensate including three-pomeron fusion. [Figure not available: see fulltext.]. © 2023, The Author(s).}}, author = {{Acharya, S. and Basu, S. and Christiansen, P. and Matonoha, O. and Nassirpour, A.F. and Ohlson, A. and Silvermyr, D. and Staa, J. and Vislavicius, V. and Zugravel, S.C. and Zurlo, N.}}, issn = {{1029-8479}}, keywords = {{Hadron-Hadron Scattering; Heavy Quark Production}}, language = {{eng}}, number = {{10}}, publisher = {{Springer}}, series = {{Journal of High Energy Physics}}, title = {{Measurement of the non-prompt D-meson fraction as a function of multiplicity in proton-proton collisions at √s = 13 TeV}}, url = {{http://dx.doi.org/10.1007/JHEP10(2023)092}}, doi = {{10.1007/JHEP10(2023)092}}, volume = {{2023}}, year = {{2023}}, }