Toward initial conditions of conserved charges. Part I. Spatial correlations of quarks and antiquarks

Martinez, Mauricio; Sievert, Matthew D.; Wertepny, Douglas E.

doi:10.1007/JHEP07(2018)003

Title: Toward initial conditions of conserved charges. Part I. Spatial correlations of quarks and antiquarks

Journal Article · Mon Jul 02 00:00:00 EDT 2018 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP07(2018)003· OSTI ID:1460653

Martinez, Mauricio ^[1];

^[2]; Wertepny, Douglas E. ^[3]

North Carolina State Univ., Raleigh, NC (United States). Dept. of Physics
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Univ. of Santiago de Compostela (Spain). Dept. of Particle Physics and Galician Inst. of High Energy Physics (IGFAE)

In this work, we study the spatial correlations among quarks and antiquarks produced at mid-rapidity by gluon pair production in the color glass condensate framework. This paper is the first part of a series in which we calculate a complete set of quark/quark, quark/antiquark, and antiquark/antiquark spatial correlation functions in heavy-light ion collisions, with the goal of incorporating their conserved charges into the initial conditions of hydrodynamics. The physical mechanisms captured in this calculation include geometric, entanglement, and interaction-mediated correlations. In this first paper, we construct the building blocks for the correlations arising from single- and double-pair production, studying in detail the single-pair case and the general features of the double-pair case. We find a rich correlation structure in transverse coordinate space, with different mechanisms dominating over different length scales, and we present explicit results for the quark-antiquark correlations in the single-pair production regime. We reserve a detailed discussion of the double-pair production regime for the next paper in this sequence.

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Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC). Nuclear Physics (NP) (SC-26); European Research Council (ERC); Ministry of Science and Innovation (MICINN); Board of Galicia (Spain); Spanish Federation of Rare Diseases (FEDER)

Grant/Contract Number:: AC52-06NA25396; SC0004286; FG02-03ER41260; HotLHC ERC-2011-StG-279579; FPA2014-58293-C2-1-P; MDM-2016-0692

OSTI ID:: 1460653

Report Number(s):: LA-UR-18-20595; TRN: US1901888

Journal Information:: Journal of High Energy Physics (Online), Vol. 2018, Issue 7; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 8 works

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