[Clas_hadron] dnp abstract
Isabella Illari
izzy at jlab.org
Thu Jun 27 09:43:21 EDT 2019
Dear Hadron Spectroscopists,
Below is a revised abstract (with Eugene, Will, and Igor) on the Study
of Kaon Identification for Hyperon Photoproduction in JLab's Hall B
CLAS12 that I would like to submit to DNP. Comments and suggestions are
appreciated.
All the best,
Izzy
%%%%%%%%%%%%%%%%%%%%%%%%%
The CLAS12 physics program includes the study of baryon spectroscopy in
quasi-real photoproduction of a large variety of final states. This
program includes the photoproduction of singly, doubly and triply
strange hyperons. The photoproduction of the very strange hyperon, the
$\Omega^-$, is of particular interest. Its photoproduction cross section
is unknown. Furthermore, the dynamics of the $\Omega^-$ photoproduction
is unclear, as there are no strange quarks in the initial state while
there are three in the final state. The available theoretical
predictions for the $\Omega^-$ hyperon photo- and electroproduction
cross section vary from 1 to 300 pb. As of today, there is only an upper
limit of the cross section ($\sigma_{tot} < 17$~nb at 20~GeV) reported
by SLAC. To identify the final state for $\gamma p \to \Omega^- K^+
K^+K^0$ the minimal requirement is to detect three kaons: two $K^+$ and
one $K^0_s$. The latter is identified by its decay to $\pi^+\pi^-$. We
will discuss our study of kaon identification in CLAS12 based on Monte
Carlo simulations and real data collected by Run Group A, which used a
$\sim$11~GeV beam incident on a liquid hydrogen target.
This work was performed with partial support from US DOE DE-SC001658,
The George Washington University, the CLAS Collaboration, and Thomas
Jefferson National Accelerator Facility.
%%%%%%%%%%%%%%%%%%%%%%%%
--
Izzy Illari
pronouns: they/their/them
Physics Ph.D candidate
Columbian College of Arts & Sciences, George Washington University
A.B. in Physics
Barnard College, Columbia University 2017
GWU Foggy Bottom Office:
Corcoran 418
office phone: (202)994-8896
gwu email: iti2103 at gwmail.gwu.edu
GWU JLab group
JLab email: izzy at jlab.org
Personal:
cell: (347)876-4075
email: izzyillari at gmail.com
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