[Theory-seminars] Cake Seminar

[Raza Sufian]

Dear All, 

Here is a reminder of the cake seminar tomorrow. 

Cake seminar:
Wednesday, February 27th, 1:00PM, Room L102
Vincent Mathieu (JLAB)
"Discovering Exotic Meson with the GlueX Experiment”

BlueJeans connection: https://bluejeans.com/195615763 <https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbluejeans.com%2F195615763&data=02%7C01%7Csufian%40jlab.org%7C1685dfa1b6d543731bcc08d69902856f%7Cb4d7ee1f4fb34f0690372b5b522042ab%7C1%7C0%7C636864633436642526&sdata=FfhKVFSNCWx1H%2BakKEcyF6HvQjLh87nM8aw91XpdgyU%3D&reserved=0>

Abstract
The eta-pi final state, whose odd partial waves have exotic quantum numbers, is one of the golden channel for hybrid meson searches. The GlueX collaboration will soon extract moments of the eta-pi0 angular distribution. In the perspective of these results, we built a model for the photoproduction of eta-pi0 with a linearly polarized beam to illustrate the influence of the P-wave in unpolarized and polarized moments. We also generalize the definition of the beam asymmetry for two mesons photoproduction and show that, when the meson momenta are perpendicular to the reaction plane, the beam asymmetry can distinguish even and odd waves. We illustrate this beam asymmetry with our model and show how it can be used to identify the presence of an exotic P wave.

Thank you.
Carlota, Vincent & Raza

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