期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP01(2016)061
关键词
QCD Phenomenology; Heavy Ion Phenomenology
资金
- Academy of Finland [267321, 273464]
- DOE [DE-SC0012704]
- Office of Science of the U.S. Department of Energy [DE-ACO2-05CH11231]
- Excellence Initiative of Heidelberg University
- Goldhaber Distinguished Fellowship from Brookhaven Science Associates
- DOE Office of Science Early Career Award
We examine the origins of azimuthal correlations observed in high energy proton-nucleus collisions by considering the simple example of the scattering of uncorrelated partons off color fields in a large nucleus. We demonstrate how the physics of fluctuating color fields in the color glass condensate (CGC) effective theory generates these azimuthal multiparticle correlations and compute the corresponding Fourier coefficients v(n), within different CGC approximation schemes. We discuss in detail the qualitative and quantitative differences between the different schemes. We will show how a recently introduced color field domain model that captures key features of the observed azimuthal correlations can be understood in the CGC effective theory as a model of non-Gaussian correlations in the target nucleus.
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