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; BPM calibration constants
; =========================
guse_bpm_in_recon = 0 ; if 1 use bpm information for reconstruction
guse_bpmc = 1 ; if 1 use all 3 bpm info, if 0 use bpm A and B
gbpm_sample = 500 ; number of events, which are used for average
; beam position ( <5000 ). Optimal value dep. on rate
; the names are based on Paul Gueye's 'Status of the actual Beam Position
; Monitors in the Hall C Beamline', December 1, 1995.
; (mkj) apr-4-03 kappa,alpha and off for 3rd bpm are guesses,
; need to find right values.
;
; gbpm_kappa = 1.85 ,1.85,1.85 ; sensitivity in cm
gbpm_kappa = 2.00 ,1.95,1.85 ; modified mkj 4/9/03
gbpm_alpha_x = 1.8192,0.7330 ,0.7 ; calibration gain: we may get them from the
gbpm_alpha_y = 1.0063,0.8935 ,0.7 ; EPICS events, right now that's according to Paul's note
; the following offsets get added to the calculated positions
; gbpm_x_off = -0.011,-0.004,0. ; in cm: survey according to Paul's note
; gbpm_y_off = +0.052,+0.056,0.
; From Dahlberg survey DT_C853 Apr 7, 2003
gbpm_x_off = 0.017+.412,0.061-.353,0.037
gbpm_y_off = 0.037+.381,-0.04-.211,0.028
; average beam positions: only used if 'guse_bpm_in_recon=0'
; gbeam_xoff = +0.18
gbeam_xoff = +0.00
gbeam_xpoff = +0.00
gbeam_yoff = +0.00
gbeam_ypoff = +0.00
; spectrometers would like to see this positions (from optics studies)
; we treat SOS and HMS the same, however, we may change this if necessary
; gspec_xoff = +0.18
gspec_xoff = +0.00
gspec_xpoff = +0.00
gspec_yoff = +0.00
gspec_ypoff = +0.00
; Pedestals for BPM ADCs: from cosmic run #10933, 10/3/96, book XI-137
gbpm_xp_ped = 431.9,331.0,0. ; these pedestals have to be determined
gbpm_xm_ped = 514.7,350.6,0. ; from runs with no beam in the cavities,
gbpm_yp_ped = 406.9,358.8,0. ; e.g. cosmic runs.
gbpm_ym_ped = 499.7,292.7,0. ;
; positions of BPMs relative to target (from Paul's note)
gbpm_zpos = 345.5,166.3,0. ; cm
; Fast Raster calibration constants
; =================================
; Various fast raster quantities: gUse* are flags
gusefr = 1 ; if 1 correct for FRY in reconstruction
guse_frdefault = 1 ; if 1 do no phase correction (default)
; gfr_cal_mom = 3.245 ; = beam momnetum during calibration run
; gfrx_adcpercm = 11328. ; = FR channels per cm deflection on target
; gfry_adcpercm = 10708. ; from run 9981, August 25, 1996, book X-22
gfr_cal_mom = 2.038 ; = beam momnetum during calibration run
gfrx_adcpercm = 4364.7 ; = FR channels per cm deflection on target
gfry_adcpercm = 5471.9 ; from harp scan (H00A), June 19, 2004
;if 0 apply phase correction
gfrx_dphase = 0.0 ; phase shift (never measured for x so far)
gFrx_synccut = 0. ; should be zero if applied on centered distr.
gfrx_adcmax = 1000 ; ADC amplitude in channels.
gfrx_maxsize = 0.1 ; fast raster amplitude in centimeter.
gfry_dphase = 5.8 ; phase shift
gFry_synccut = 0. ; should be zero if applied on centered distr.
gfry_adcmax = 1000 ; ADC amplitude in channels.
gfry_maxsize = 0.1 ; fast raster amplitude in centimeter.
; The latest FR phase analysis from spring '96 showed, that there is no
; measurable phase shift. During early running (E91-13, E89-12) the FRY-phase
; was determined to be 5.8 degree.
; positions of FR magnets relative to target
gfrx_dist = 2111 ; cm
gfry_dist = 2071 ; cm