Kaon LT Status Page

• Table of Kaon LT Physics Status

Item	Status	Comment
Q2=3.0 W=2.32 x=0.40 theta_Shms=15.18	Completed
Q2=3.0 W=2.32 x=0.40 theta_Shms=18.18	Completed
Q2=3.0 W=2.32 x=0.40 theta_Shms=21.18	Completed	Summary plot of all three settings
Q2=2.115 W=2.95 x=0.21 theta_Shms=7.74	To be done	High SHMS singles rates. Need to look at tracking efficiency for run that was taken
Q2=2.115 W=2.95 x=0.21 theta_Shms=10.74	Almost done	Al done, LH2 ( started Wed. 3:30am Run 4914 Need 25K); by 14:50 we got 80 % of the 25 K we were shooting for. We will try to take the rest before 7 am tomorrow.
Q2=2.115 W=2.95 x=0.21 theta_Shms=13.74	Finished 1st pass, Took LH2 (1C, 21K events) and Dummy (1hr)	Plos for all data Took about 13.5 hours to get 1C ( at 70uA and 50% eff would get 1.7C)T; 43 % of min goal

• Table of Kaon LT Commissioning Status.

Item	Status	Comment
Detector Checkout	Completed
HMS Trigger PID	Completed
SHMS Trigger PID	Completed
BPM calibration check	Not done	Need to have 7A harp operational, during Friday down will be looked at
Beam energy measurement	Not done
High and low current BCM calibration	Completed low current up to 57uA	Calibration plots
HMS/SHMS optics study	Completed
HMS/SHMS single arm elastic	Completed
HMS/SHMS coincidence ep elastic	Completed	25K events ( wanted 50K)
Golden HMS/SHMS sieve run	Completed	Used to check the stability of beam positions at different energies
Luminosity scan	Not done	Need fairly stable 65uA