Quark fragmentation into spin-triplet S -wave quarkonium

Bodwin, Geoffrey T.; Chung, Hee Sok; Kim, U-Rae; Lee, Jungil

doi:10.1103/PhysRevD.91.074013

Title: Quark fragmentation into spin-triplet $S$ -wave quarkonium

Journal Article · Wed Apr 08 00:00:00 EDT 2015 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.91.074013· OSTI ID:1392392

Bodwin, Geoffrey T. ^[1]; Chung, Hee Sok ^[1]; Kim, U-Rae ^[1]; Lee, Jungil ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States)

We compute fragmentation functions for a quark to fragment to a quarkonium through an S-wave spin-triplet heavy quark-antiquark pair. We consider both color-singlet and color-octet heavy quark-antiquark (Q (Q) over bar) pairs. We give results for the case in which the fragmenting quark and the quark that is a constituent of the quarkonium have different flavors and for the case in which these quarks have the same flavors. Our results for the sum over all spin polarizations of the Q (Q) over bar pairs confirm previous results. Our results for longitudinally polarized Q (Q) over bar pairs agree with previous calculations for the same flavor cases and correct an error in a previous calculation for the different-flavor case.

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Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Organization:: National Research Foundation of Korea (NRF); USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1392392

Alternate ID(s):: OSTI ID: 1180672

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 91, Issue 7; ISSN 1550-7998

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 19 works

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Cited By (2)

Heavy quarkonium photoproduction in ultrarelativistic heavy ion collisions Yu, Gong-Ming; Cai, Yang-Bing; Li, Yun-De Physical Review C, Vol. 95, Issue 1 https://doi.org/10.1103/physrevc.95.014905	journal	January 2017
Heavy quarkonium photoproduction in ultrarelativistic heavy ion collisions Yu, Gong-Ming; Cai, Yan-Bing; Li, Yun-De arXiv https://doi.org/10.48550/arxiv.1703.03194	text	January 2017

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