[RBRC seminar] Dilepton emission from moaty pions

by Dr Robert Pisarski (BNL)

Thursday 18 Sept 2025, 12:30 → 14:30 US/Eastern

Large Seminar Room (https://bnl.zoomgov.com/j/1600983728?pwd=RAD7OLcqre7Ycsp6JfFp6HAnpyLxex.1)

For the phase diagram of QCD at nonzero temperature T and quark
chemical potential mu, it is expected thatthere is a large "moat" regime.  In this regime, the minimum of the pion (and sigma) dispersion relations
is at nonzero spatial momentum.  I outline how dilepton emission from
moaty pions could yield characteristically unique signatures, with a new threshold, and perhaps van Hove singularities, at twice the effective mass of the moaty pion