That web page is hedious!<br><br><div class="gmail_quote">On Mon, Aug 12, 2013 at 10:52 AM, dan watts <span dir="ltr"><<a href="mailto:dwatts1@ph.ed.ac.uk" target="_blank">dwatts1@ph.ed.ac.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi All,<br>
<br>
Please find below an abstract for a talk I plan to give at Phi to Psi<br>
2103 in Rome.<br>
<br>
Any comments or suggestions would be much appreciated.<br>
<br>
The conference website is<br>
<br>
<a href="http://www.roma1.infn.it/phipsi13/" target="_blank">http://www.roma1.infn.it/phipsi13/</a><br>
<br>
I would plan to send the abstract on Wednesday.<br>
<br>
Many thanks,<br>
Dan<br>
<br>
<br>
<br>
Talk title: Meson photoproduction from the nucleon at CLAS<br>
<br>
An extensive measurement programme of meson photoproduction from the<br>
nucleon has been obtained exploiting the CLAS<br>
detector in Hall-B of Jefferson Lab. The main aim of the<br>
programme is to provide high quality experimental data to constrain<br>
partial wave analyses and reaction models used to determine the spectrum<br>
and properties of nucleon resonances. Obtaining accurate and detailed<br>
information on this spectrum would provide valuable insights regarding<br>
the dynamics and interactions of the nucleon's constituents. Theoretical<br>
predictions of the resonance spectrum can be<br>
obtained from a range of approaches including constituent quark models<br>
and more recently from Lattice QCD. Despite these exciting advances in<br>
theory the properties and even existence of many nucleon resonances are<br>
poorly established experimentally.<br>
<br>
The programme of measurements at CLAS will provide new, quality data on<br>
single and multiple meson photoproduction from the nucleon to better<br>
constrain the extraction of the spectrum. The experiments utilised<br>
linearly and circularly polarised photon beams on longitudinally and<br>
transversely polarised nucleon targets. The centre of mass energy, W, of<br>
the data set is 1.2 - 2.25 GeV, covering a large fraction of the<br>
resonance region. The Frozen spin target (FROST) and polarised H-D<br>
target used in the experiments will be discussed. Preliminary results<br>
for a range of single- and double- polarisation observables in meson<br>
photoproduction will also be presented.<br>
<span class="HOEnZb"><font color="#888888"><br>
<br>
<br>
--<br>
The University of Edinburgh is a charitable body, registered in<br>
Scotland, with registration number SC005336.<br>
<br>
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</font></span></blockquote></div><br><br clear="all"><br>-- <br>William J. Briscoe<br>Department of Physics<br>The George Washington University<br>Director, GW Institute for Nuclear Studies (GWINS)<br>Director, Data Analysis Center (DAC)<br>
202-994-6788 (Foggy Bottom Campus)<br>703-726-8340 (Virginia Science and Technology Campus)<br>