Beamline and Magnet

Documentation:

HPS Beamline Commission Document v1 October 20, 2014  HPS beamline commissioning document v1.0.docx

Beamline Alignment with magnets at 95in. separation:beamline_Mar032014.pptx

Beam trajectory through pair spectrometer magnet , from simulation.

Engineering drawings of beamline and components: https://userweb.jlab.org/~zarecky/Dark%20Matter%20file%20directory.htm

7/26/2011 slides from Stepan including plan and survey positions of vacuum chamber: BeamLine_updates.pptx

Beamline photos are available: Beamline.pptx

See Calorimeter for ECal-specific docs.

Presentation of Beamline update at Wednesday morning, 27 March 2013, meeting Beamline 27 March 2013.ppt

ECal vacuum flange: beam gap vacuum chamber, honeycomb

Fieldmaps:

The magnetic field map used for simulation and reconstruction is derived from TOSCA simulations combined with  PRIMEX measurements of the fringe fields. The procedure is described here.

BmapCorrected3D_3k.txt

BmapCorrected3D_4k.txt

BmapCorrected3D_5k.txt

BmapCorrected3D_6k.txt

BmapCorrected3D_7k.txt

BmapCorrected3D_8k.txt

BmapCorrected3D_9k.txt

BmapCorrected3D_10k.txt

BmapCorrected3D_11k.txt

BmapCorrected3D_12k.txt

BmapCorrected3D_13k.txt

These files are then converted into a format appropriate for the slic simulation program and the hps-java reconstruction code using the following prescription.

Papers:

Talks:

Subtopics: