Initial state fluctuations in collisions between light and heavy ions - INSPIRE

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Initial state fluctuations in collisions between light and heavy ions

May 30, 2016

17 pages

Published in:

Phys.Rev.C 94 (2016) 2, 024919

Published: Aug 29, 2016

e-Print:

1605.09418 [nucl-th]

DOI:

10.1103/PhysRevC.94.024919

View in:

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Abstract: (APS)

In high-energy collisions involving small nuclei (p+p or x+Au collisions where x=p, d, or He3) the fluctuating size, shape, and internal gluonic structure of the nucleon is shown to have a strong effect on the initial size and shape of the fireball of new matter created in the collision. A systematic study of the eccentricity coefficients describing this initial fireball state for several semirealistic models of nucleon substructure and for several practically relevant collision systems involving small nuclei is presented. The key importance of multiplicity fluctuations in such systems is pointed out. Our results show large differences from expectations based on conventional Glauber model simulations of the initial state created in such collisions.

Note:

18 pages, 15 figures. Submitted to Physical Review C

nucleus nucleus: scattering
initial state: fluctuation
multiplicity: fluctuation
nucleon: model
model: Glauber
energy: high
structure
fireball
heavy ion
numerical calculations

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Figures(27)

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