TY - JOUR
T1 - A potential infrared problem with the damping rates for gluons with soft momentum in hot QCD
AU - Abada, A.
AU - Azi, O.
AU - Benchallal, K.
PY - 1998/4/16
Y1 - 1998/4/16
N2 - We calculate the damping rate yl for longitudinal gluons with zero momentum in high-temperature QCD and show that some of its contributing terms are infrared divergent. This is in contrast with the expectation that this damping rate is to be equal to the corresponding one yt for transverse gluons which is known to be finite. Our calculation was motivated by the fact that similar divergent terms occur when we calculated in a previous work yt to order p2, p being the momentum of the gluon. After we present our results, we briefly discuss them.
AB - We calculate the damping rate yl for longitudinal gluons with zero momentum in high-temperature QCD and show that some of its contributing terms are infrared divergent. This is in contrast with the expectation that this damping rate is to be equal to the corresponding one yt for transverse gluons which is known to be finite. Our calculation was motivated by the fact that similar divergent terms occur when we calculated in a previous work yt to order p2, p being the momentum of the gluon. After we present our results, we briefly discuss them.
UR - http://www.scopus.com/inward/record.url?scp=0346499898&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0346499898&partnerID=8YFLogxK
U2 - 10.1016/S0370-2693(98)00221-4
DO - 10.1016/S0370-2693(98)00221-4
M3 - Article
AN - SCOPUS:0346499898
SN - 0370-2693
VL - 425
SP - 158
EP - 165
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 1-2
ER -