Studying diquark structure of heavy baryons in relativistic heavy ion collisions

S. Yasui, Su Houng Lee, K. Ohnishi, I. K. Yoo, C. M. Ko

Research output: Contribution to journalArticle

Abstract

We propose the enhancement of Λc yield in heavy ion collisions at RHIC and LHC as a novel signal for the existence of diquarks in the strongly coupled quark-gluon plasma produced in these collisions as well as in the Λc. Assuming that stable bound diquarks can exist in the quark-gluon plasma, we argue that the yield of Λc would be increased by two-body collisions between [ud] diquarks and c quarks, in addition to normal three-body collisions among u, d and c quarks. A quantitative study of this effect based on the coalescence model shows that including the contribution of diquarks to Λc production indeed leads to a substantial enhancement of the Λc/D ratio in heavy ion collisions.

Original languageEnglish
Pages (from-to)2254-2258
Number of pages5
JournalModern Physics Letters A
Volume23
Issue number27-30
Publication statusPublished - 2008 Sep 30

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ionic collisions
baryons
quarks
collisions
augmentation
coalescing

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics

Cite this

Yasui, S., Lee, S. H., Ohnishi, K., Yoo, I. K., & Ko, C. M. (2008). Studying diquark structure of heavy baryons in relativistic heavy ion collisions. Modern Physics Letters A, 23(27-30), 2254-2258.
Yasui, S. ; Lee, Su Houng ; Ohnishi, K. ; Yoo, I. K. ; Ko, C. M. / Studying diquark structure of heavy baryons in relativistic heavy ion collisions. In: Modern Physics Letters A. 2008 ; Vol. 23, No. 27-30. pp. 2254-2258.
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Yasui, S, Lee, SH, Ohnishi, K, Yoo, IK & Ko, CM 2008, 'Studying diquark structure of heavy baryons in relativistic heavy ion collisions', Modern Physics Letters A, vol. 23, no. 27-30, pp. 2254-2258.

Studying diquark structure of heavy baryons in relativistic heavy ion collisions. / Yasui, S.; Lee, Su Houng; Ohnishi, K.; Yoo, I. K.; Ko, C. M.

In: Modern Physics Letters A, Vol. 23, No. 27-30, 30.09.2008, p. 2254-2258.

Research output: Contribution to journalArticle

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