[Halld-physics] BESIII/GlueX/JPAC Physics Workshop

[Shepherd, Matthew]

Hi all,

It was mentioned at the closeout of the collaboration meeting that there was some interest in a joint workshop to explore physics overlaps between GlueX, JPAC, and BESIII in Beijing.  There has been some additional discussion and planning in this regard.  I'd like to make you aware of the developing plans and invite your comments or input.

As of now we are *tentatively* planning to have a 2-3 day workshop on August 17-19 hosted at the Indiana University China Gateway in Beijing (in the Tsinghua Science Park).  We envision a meeting of maybe 20-30 participants (theory and experiment) with focus on discussion and generating ideas for collaboration primarily on physics analysis.  We suggest to focus discussion around four general ideas, devoting roughly about 1/2 day to each:

* comparing production mechanisms:  how do we relate e+e- to photoproduction?  Can we take information learned from e+ e- and make predictions about photoproduction cross sections?  Is there anything interesting to learn about spectroscopy by doing this?

* comparing light and heavy quarks:  does what we observe and think we understand about charmonium system, charmominum resonances, XYZ, etc... have definitive, testable implications for GlueX?

* light quark resonances:  how can we use knowledge of light quark mesons obtained from charmonium decay to inform analyses for GlueX?  Are there interesting light quark structures observed at BESIII that should be high priority searches at GlueX?  What might we learn if GlueX does or does not observe them?

* technology:  what theoretical and computational tools can be shared between GlueX and BESIII?  (Not just code here, but also techniques:  theoretical and analysis related.)

Our goal with this workshop is to try to build a stronger connection between the two communities that are doing very similar physics.  We think the best way to do this initially is with a relatively informal meeting that spends a lot of time discussing specific areas where we might collaborate or specific connections that could be made.  Perhaps down the road such a meeting could be recurrent in the context of one of the US/China hadron physics conferences, but we would like to start with less formal approach.

If you have an interest in participating in this meeting or have input/suggestions for organization, please let me know.  Planning at this point is at the very early stages.

Matt

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Matthew Shepherd, Professor
Department of Physics, Indiana University, Swain West 117
727 East Third Street, Bloomington, IN 47405

Office Phone:  +1 812 856 5808