prikaz prve stranice dokumenta Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC
  Preuzmi
PDF 314.89 KB
Znanstveni rad - Pismo
Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC
Physical Review D, 105 (2022), 1; L011103. https://doi.org/10.1103/PhysRevD.105.L011103
(ALICE Collaboration) Acharya, S.; ...; Erhardt, Filip; ...; Gotovac, Sven; ...; Jerčić, Marko; ...; Karatović, David; ...; Lončar, Petra; ...; Mudnić, Eugen; ...; Planinić, Mirko; ...; Poljak, Nikola; ...; Vicković, Linda; ...; Zurlo, N. Više autora...

Institucijski repozitorij: Repozitorij Prirodoslovno-matematičkog fakulteta

Citirajte ovaj rad

Acharya, S., Erhardt, F., Gotovac, S., Jerčić, M., Karatović, D., Lončar, P. ... Zurlo, N. (2022). Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC. Physical Review D, 105. (1). doi: 10.1103/PhysRevD.105.L011103

Acharya, S., et al. "Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC." Physical Review D, vol. 105, br. 1, 2022. https://doi.org/10.1103/PhysRevD.105.L011103

Acharya, S., Filip Erhardt, Sven Gotovac, Marko Jerčić, David Karatović, Petra Lončar, Eugen Mudnić, et al. "Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC." Physical Review D 105, br. 1 (2022). https://doi.org/10.1103/PhysRevD.105.L011103

Acharya, S., et al. (2022) 'Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC', Physical Review D, 105(1). doi: 10.1103/PhysRevD.105.L011103

Acharya S, Erhardt F, Gotovac S, Jerčić M, Karatović D, Lončar P, i sur.. Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC. Physical Review D [Internet]. 2022. [pristupljeno 27.12.2024.];105(1). doi: 10.1103/PhysRevD.105.L011103

S. Acharya, et al., "Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC", Physical Review D, vol. 105, br. 1, 2022. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:902268. [Citirano: 27.12.2024.]

Za citiranje koristite ovu mrežnu adresu: https://urn.nsk.hr/urn:nbn:hr:217:902268
Podaci o radu
Naslov (engleski)Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC
AutorS. Acharya
Autor
...
AutorFilip Erhardt
Autor
...
AutorSven Gotovac
Autor
...
AutorMarko Jerčić
Autor
...
AutorDavid Karatović
Autor
...
AutorPetra Lončar
Autor
...
AutorEugen Mudnić
Autor
...
AutorMirko Planinić
Autor
...
AutorNikola Poljak
Autor
...
AutorLinda Vicković
Autor
...
AutorN. Zurlo
KolaboracijaALICE Collaboration
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
Recent pT-integrated cross-section measurements of the ground-state charm mesons and baryons, D0, D+, Ds+, Λc+, and Ξc0, are used to evaluate the charm fragmentation fractions and production cross section per unit of rapidity at midrapidity (|y|<0.5), in pp collisions at s=5.02 TeV at the LHC. The latter is dσcc¯/dy||y|<0.5=1165±44(stat)-101+134(syst) μb. These measurements were obtained for the first time in hadronic collisions at the LHC, including the charm baryon states, recently measured by ALICE at midrapidity. The charm fragmentation fractions differ significantly from the values measured in e+e- and ep collisions, providing evidence of the dependence of the parton-to-hadron fragmentation fractions on the collision system, indicating that the assumption of their universality is not supported by the measured cross sections. An increase of a factor of about 3.3 for the fragmentation fraction for the Λc+ with a significance of 5σ between the values obtained in pp collisions and those obtained in e+e- (ep) collisions is reported. The fragmentation fraction for the Ξc0 was obtained for the first time in any collision system. The measured fragmentation fractions were used to update the cc¯ cross sections per unit of rapidity at |y|<0.5 at √s=2.76 and 7 TeV, which are about 40% higher than the previously published results. The data were compared with perturbative-QCD calculations and lie at the upper edge of the theoretical bands.
Ključne riječi (engleski)
Jezikengleski
Vrsta publikacijeZnanstveni rad - Pismo
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaPhysical Review D
Brojčani podacivol. 105, br. 1, L011103
p-ISSN2470-0010
e-ISSN2470-0029
DOIhttps://doi.org/10.1103/PhysRevD.105.L011103
URN:NBNurn:nbn:hr:217:902268
Datum objave publikacije2022
URL dokumentahttps://link.aps.org/doi/10.1103/PhysRevD.105.L011103
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Imenovanje 4.0 međunarodna (CC BY 4.0)
Javna napomena© 2022 CERN, for the ALICE Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Received 2 August 2021; accepted 16 December 2021; published 12 January 2022.
Datum i vrijeme pohrane2024-09-01 12:26:06