arXiv:nucl-th/9304009·v1·Nuclear Theory
Maximum Azimuthal Anisotropy of Neutrons from Nb-Nb Collisions at 400 AMeV and the Nuclear Equation of State
M. Elaasar🇺🇸 · R. Madey🇺🇸 · W. M. Zhang🇺🇸 · J. Schambach🇺🇸 · D. Keane🇺🇸 · B. D. Anderson🇺🇸 · A. R. Baldwin🇺🇸 · J.W. Watson🇺🇸 · G. D. Westfall🇺🇸 · G. Krebs🇺🇸 · H. Wieman🇺🇸 · C. Gale🇨🇦 · K. Haglin🇨🇦
Abstract
We measured the first azimuthal distributions of triple--differential cross sections of neutrons emitted in heavy-ion collisions, and compared their maximum azimuthal anisotropy ratios with Boltzmann--Uehling--Uhlenbeck (BUU) calculations with a momentum-dependent interaction. The BUU calculations agree with the triple- and double-differential cross sections for positive rapidity neutrons emitted at polar angles from 7 to 27 degrees; however, the maximum azimuthal anisotropy ratio for these free neutrons is insensitive to the size of the nuclear incompressibility modulus K characterizing the nuclear matter equation of state.
Comments: Typeset using ReVTeX, with 3 ps figs., uuencoded and appended