Record of Parity Settings

• Prior to July 10, solenoid angle was incorrect by 3 degrees https://logbooks.jlab.org/entry/3702542
• July 10 evening - after Run 3143 - solenoid angle fixed by injector group (was 89deg, put at 91.2deg)
• July 11 morning- after Run 3175- Table changed to also have solenoid =91.2 (for VWein 88deg) in addition to having solenoid =86deg (for VWein -89deg)
• changed the AposU and AposV voltages july18th,attached picture is a history of what we had until this day in Figure 5

Figure 5 - Parity Controls window old.

• July24 start of swing: Spin dance performed and HWien angle setting changed from -15.5deg to -13deg.
• July 31 documenting the settings before attempted 10nm move : up through at least Run3745

Table 1 - List of the correct settings for Insertable Half Wave Plate (IHWP) IN and OUT / Wien Flip RIGHT and LEFT.

Variable	IHWPout	IHWPout	IHWPin	IHWPin
Flip State	FLIP-RIGHT	FLIP-LEFT	FLIP-RIGHT	FLIP-LEFT
RHWP	1	1	1	1
VWien Angle	+88°	-89.9°	+88°	-89.9°
Solenoid Angle	91.19°	86.901°	91.19°	86.901°
HWien Angle	-13°	-13°	-13°	-13°
PC ON/OFF	ON	ON	ON	ON
V PITA	303 ± 1000 counts	303 ± 1000 counts	-970 ± 1000 counts	-970 ± 1000 counts
V L/4	12670	12670	12670	12670
V aposU	1447	1447	768	768
V aposV	163	163	-385	-385
V dposV	0	0	0	0
V dposU	0	0	0	0
HallA IA	42570	42570	26046	26046
HallB IA	37286	37286	29353	29353
HallC IA	23000 ± 2000 counts	23000 ± 2000 counts	38000 ± 2000 counts	38000 ± 2000 counts