Draft Agenda for the GlueX Tagger/Beamline Review.

Jefferson Lab.

 

 

First day – Morning Session

 

 

08.30 – 09.00                      Overview of the GlueX Tagger/Beamline             J. Kellie

                                         (artist’s impression of GlueX experimental area, floorplan,

                                             sketches of tagger, focal plane, beamline components,

                                             basic monitoring requirements, polarimetry provision)

 

09.00 – 09.45                      Provision of linearly polarised photons.             R. Jones

                                                    (coherent bremsstrahlung, collimation, photon flux

                                        and polarisation, background rates)

 

09.45 – 10.30                      Design of tagger dipoles and vacuum system.     J. Kellie

                                                    (two dipole concept, sketch of dipole magnets and vacuum

                                        system, magnet specification, mechanical construction

                                        of magnets and vacuum system, vacuum seals)

 

10.30 – 10.45                      Coffee break.

 

10.45 – 11.30                      Magnetic field calculations.                                G. Yang

                                                   (Transport calculations of focal plane parameters,

                                                                   Tosca field calculations, field profile, comparison

                                        of Transport & Tosca –with and without quadrupole,

                                        detailed Tosca studies of how focal planes join)

 

11.30 – 12.00                      Tagger/vacuum chamber assembly.                    J. Kellie

                                                    (sequence of sketches showing  tagger/vacuum

                                                                   chamber  assembly/disassembly, alignment, dipole magnet stands)

 

12.00 – 13.00                       Lunch

 

First Day – Afternoon Session.

 

13.00 – 14.00                     Panel discussion – (closed).

 

14.00 – 14.30                     The broad-band focal plane array.                       D. Sober

                                                                ( basic parameters, detectors, electronics)                                 (to be confirmed)

 

14.30 – 15.00                     The focal plane microscope.                                R. Jones

                                                   (basic parameters, detectors, electronics)

 

15.00 – 15.30                     Integration of tagger and GlueX                            R. Jones

                                spectrometer electronics.                                           

 

15.30 – 15.45                    Coffee break.

 

15.40 – 16.15                    Photon beam position monitoring and polarimetry.         R. Jones

                                                  (active collimator, ratio of diamond/amorphous focal plane

                                     spectra, azimuthal distributions from nuclear pair production,

                                                                hadronic asymmetries measured in the GlueX spectrometer)

 

16.15 – 16. 45                    Photon beam flux monitoring.                               F. Klein

                                                  (active photon monitors, lead glass detector,                                       (to be confirmed)

                                                                 pair spectrometer, CLAS results)

 

 

Second Day – Morning Session.

 

 

09.00 – 10.00                      Panel discussion – (closed).

 

10.00 – 11.00                      Comments and recommendations from the panel.

 

11.00 – 11.15                     Coffee break.

 

11.15 – 12.00                     General discussion.

 

End of review meeting.