Conference paper

Publication year: 2003

Pages: 417-419

Journal: The European Physical Journal A

Volume number: 18

Issue number: 2-3

ISSN: 1434-6001

DOI Link: https://doi.org/10.1140/epja/i2002-10249-7

Conference: International Conference on Quark Nuclear Physics

Publisher: Springer

Abstract: 
Preliminary differential cross-sections of the reactions A(gamma,pi(0)pi(0)) and A(gamma,pi(0)pi(+) + pi(0)pi(-)) with A = H-1, C-12, and Pb-nat are presented. A significant nuclear-mass dependence of the pipi invariant-mass distribution is found in the pi(0)pi(0) channel. The dependence is not observed in the pi(0)pi(+/-) channel. The in-medium observation in the pi(0)pi(0) channel is consistent with an in-medium modification of the pipi interaction in the I = J = 0 channel, changing width and pole position of a pipi resonant state.

Harvard Citation style: Messchendorp, J. (2003) ππ correlations in γ+A reactions, The European Physical Journal A, 18(2-3), pp. 417-419. https://doi.org/10.1140/epja/i2002-10249-7

APA Citation style: Messchendorp, J. (2003). ππ correlations in γ+A reactions. The European Physical Journal A. 18(2-3), 417-419. https://doi.org/10.1140/epja/i2002-10249-7