Next-to-leading power corrections for soft photon bremsstrahlung
December 14, 2022
A long-standing discrepancy in the soft photon bremsstrahlung has attracted a renewed attention in view of the proposed measurements with a future upgrade of the ALICE detector in the upcoming runs of the LHC. We discuss the possibility to implement techniques that have been recently developed for soft gluon resummation at Next-to-Leading-Power (NLP) to the soft photon spectrum. Specifically, we discuss two different corrections to the formula that has been used so far to compare with data.
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