[Theory-seminars] cake seminar tomorrow

[Raza Sufian]

Dear All,

Here is reminder for the cake seminar tomorrow:

Alberto Accardi: Wednesday 8, Room F 326-327, 1:00 pm
Bluejeans connection: https://bluejeans.com/610445877<https://gcc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbluejeans.com%2F610445877&data=02%7C01%7C%7C57ab8c7a55264a0cdc5308d6d3442a1a%7Cb4d7ee1f4fb34f0690372b5b522042ab%7C1%7C0%7C636928687049800951&sdata=oaukNLZ8t6E5wUMtcrVqMhW8vUYsYDXEhuFcaYuPMsE%3D&reserved=0>

"Quark fragmentation as a probe of dynamical mass generation"

Abstract:  I will address the propagation and hadronization of a struck quark by studying the gauge invariance of the color-averaged cut quark propagator, and by relating this to the single inclusive quark fragmentation correlator by means of new sum rules. Using suitable Wilson lines, I provide a gauge-invariant definition for the mass of the color-averaged dressed quark and decompose this into the sum of a current and an interaction-dependent component. The latter, which I will argue is an order parameter for dynamical chiral symmetry breaking, also appears in the sum rule for the twist-3 Etilde fragmentation function, providing a specific experimental way to probe the dynamical generation of mass in Quantum Chromo-Dynamics.

Thank you.
-Carlota, Miguel & Raza
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