Kinematics

BigBite Commissioning H(e,e'p)

Kin	Ein [MeV]	HRS(L) Electrons		HRS(R) (not in use)		BigBite (-68 Deg BR)*		Neutron Arm (not in use, at 50 deg)		Target	Plots	MCEEP
#		P(e')	Theta (e')	P	Theta	P(p)	Theta (p)	P	Theta
1	1162	1099.0	17.5		-12.5	349.5	71.0		-50	4cm LH2	Kin Map
2	1162	1077.5	20.5		-12.5	407.1	68.0		-50	4 cm LH2	Kin Map
3	1162	1057.9	23		-12.5	454.2	65.5		-50	4 cm LH2	Kin Map
4	2262	2139.7	12.5		-12.5	494.4	69.5		-50	4 cm LH2	Kin Map
5	2262	2090.3	15		-12.5	593.0	65.8		-50	4 cm LH2	Kin Map		-

• We do not know how to get within the constrains protons of more than 600 MeV/c to BB for Calibration.
• 1st pass is not sure due to Qweak

Neutron Array commissioning

Kin	Ein [MeV]	HRS(L) Electrons		HRS(R) (not in use)		BigBite (Not in use)		Neutron Arm 50 Deg 15m from target		Target	Plots	MCEEP
#		P(e')	Theta (e')	P	Theta	P(p)	Theta (p)	P	Theta
1	2262	1777.75	27.5		-12.5		68	1069.2	-50	4 cm LH2	Kin Map