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Apr 13 – 16, 2021
US/Eastern timezone

Hunting Dibaryons: A study of the $\gamma d \rightarrow \pi^+ \pi^- d$ reaction using CLAS

Apr 14, 2021, 4:50 PM
20m
Oral Presentation Hadronic Interactions I

Speaker

Taya Chetry (Mississippi State University)

Description

This study investigates a recently-observed $N\Delta$ ($d^∗$) resonance decaying to $\pi d$ final state using CLAS at Jefferson Lab, Virginia. Tagged photons with beam energies between 0.8 and 3.6 GeV were produced using the bremsstrahlung process incident on a liquid deuterium target. The final state particles detected were an energetic deuteron and a two oppositely charged pions. The $d^∗$ resonance has been seen in other preliminary analyses at CLAS. Partial-wave analysis of pion-deuteron scattering has also shown a resonance at a mass of about 2145 MeV. Preliminary differential cross section measurements of the two charged states of this resonance will be presented.

Primary author

Taya Chetry (Mississippi State University)

Co-author

Dr Kenneth Hicks (Ohio University)

Presentation materials