RT Journal Article
T1 Finite-temperature pion scattering to one loop in chiral perturbation theory
A1 Llanes Estrada, Felipe José
A1 Gómez Nicola, Ángel
A1 Peláez Sagredo, José Ramón
AB We present the pion-pion elastic scattering amplitude at finite temperature to one-loop in chiral perturbation theory. The thermal scattering amplitude properly defined allows to generalize the perturbative unitarity relation to the T 0 0 case. Our result provides a model independent prediction of an enhanced pion-pion low-energy phase shift with the temperature and it has physical applications within the context of relativistic heavy ion collisions.
PB Elsevier Science Bv
SN 0370-2693
YR 2002
FD 2002-12-12
LK https://hdl.handle.net/20.500.14352/58814
UL https://hdl.handle.net/20.500.14352/58814
LA eng
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NO ©2002 Elsevier Science B.V. All rights reserved.The authors thank A. Dobado for useful comments and discussions. F.J.Ll.-E. thanks P. Bicudo, S. Cotanch, P. Maris, E. Ribeiro and A. Szczepaniak too. Work supported from the Spanish CICYT projects, FPA2000-0956, PB98-0782 and BFM2000-1326.
NO Spanish CICYT
DS Docta Complutense
RD 30 abr 2024