Delta baryon photoproduction with twisted photons

Andrei Afanasev; Carl E. Carlson

Delta baryon photoproduction with twisted photons

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arxiv 2105.07271 v1 pith:CQ6RLTYJ submitted 2021-05-15 hep-ph nucl-thquant-ph

Andrei Afanasev , Carl E. Carlson This is my paper

classification hep-phnucl-thquant-ph

keywords photonstwistedamplitudesdeltagammaphotoproductionpossibilitywave

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abstract

A future gamma factory at CERN or accelerator-based gamma sources elsewhere can include the possibility of energetic twisted photons, which are photons with a structured wave front that can allow a pre-defined large angular momentum along the beam direction. Twisted photons are potentially a new tool in hadronic physics, and we consider here one possibility, namely the photoproduction of $\Delta$(1232) baryons using twisted photons. We show that particular polarization amplitudes isolate the smaller partial wave amplitudes and they are measurable without interference from the terms that are otherwise dominant.

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