Summary 1/21/16
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SHORT SUMMARY - TO BE UPDATED...
- Introduction
- Discussion about run groups - NPS run groups are experiments using the same beam time
- Discussion about project length for NPS construction and crystal testing
- Status on PbWO4 testing and selection
- Discussion about SiPM radiation hardness
- Discussion about comparing different irradiation profiles
- Discussion about 3D printing
- NPS PWO crystals at an EIC
- Inner calorimeter requires high resolution for reconstruction of scattered electron - a PbWO4-based calorimeter would be optimal
- The NPS PbWO4 crystals could be used at an EIC and would cover about half the solid angle - about 2000 crystals are needed in total
- Magnet status
- BNL MPS pole tips provide enough iron for the NPS magnet - some modifications are required to conform to the required dimensions
- Discussion about securing the G0 experiment rails for support
- Next steps include: checks if modifications work magnetically (TOSCA), design infrastructure for support and mounting, detailed drawings. After this also need to work on the coil.
- HV base design
- Discussion about pricing in comparison to MRI budget
- Discussion about radiation damage to Arduino processor
- Discussion about timeline - continue development at ODU until about March and then make decision
- Photon sources
- Both designs improve the FOM, have similar collimation - current limitation given by radiation control and beam dump
- Discussion about magnet - ~ 2T-m and as short as possible
- Discussion about science that would be enabled with a photon source
- Timelike Compton Scattering with Transverse Target
- Discussion about showing quantitatively with real error bars what such a TCS measurement would add to DVCS
- Discussion about uncertainty estimations in multivariable fitting