[G8b_run] Nstar 2011

Philip L. Cole cole at jlab.org
Sun Mar 6 22:31:30 EST 2011


Hi all,

I would like to present Julian's results at the NSTAR 2011 conference.  If
there are no objections to the abstract below, I will circulate it to the
entire spectroscopy group, which is pretty much pro forma.

Phil

Polarization observables in the photoproduction of phi mesons with
linearly polarized photons  --  Julian Salamanca and Philip Cole, Idaho
State University.

Observables from vector meson photoproduction by linearly-polarized
photons can be expressed in term of bilinear combinations of helicity
amplitudes parameterized by the Spin Density Matrix Elements (SDMEs).
These SDMEs give straightforward relations for understanding the nature of
the parity exchange at threshold energies, as well as for extracting
signatures of the Okubo-Zweig-Iizuka violation. This paper will show our
measurements of the SDMEs for reaction γp → φp in the
photon energy range of 1.7 to 1.9 GeV (momentum transfer squared t range
of −1.2 to −0.25 GeV2 ) and 1.9 to 2.1 GeV (t range of
−1.4 to −0.25 GeV2 ) from the g8b experimental data collected
in the summer of 2005 in the Hall B of Jefferson Lab.

-- 
   Philip L. Cole
   Associate Professor
   Idaho State University
   Department of Physics
   Pocatello, Idaho 83209
   (208) 282-5799  office
            -4649  fax
    cole at athena.physics.isu.edu
    http://www.physics.isu.edu/staff/cole.html





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