Kaon LT Status Page

Kaon LT Physics Status at Ebeam = 8.2/6.2 GeV

Ebeam	Item	Current	Status	Comment
6.2 GeV	Q2=3.0 W=2.32 x=0.40 theta_Shms=13.28 low epsilon (Center)	70 uA	Completed	110% of Klambda total stat goal (Λ = 1703), 109% of charge total stat goal (Q=1649mC) Summary plots
6.2 GeV	Q2=3.0 W=2.32 x=0.40 theta_Shms=13.28 low epsilon (Center)	40 uA	Completed	Dummy run (Al)
6.2 GeV	Q2=3.0 W=2.32 x=0.40 theta_Shms=16.28 low epsilon (Left)	70 uA	Completed	95% of Klambda total stat goal (Λ = 1478), 102% of charge total stat goal (Q=1545mC) Summary plots
6.2 GeV	Q2=3.0 W=2.32 x=0.40 theta_Shms=16.28 low epsilon (Left)	40 uA	Completed	Dummy run (Al)
6.2 GeV	Q2=3.0 W=2.32 x=0.40	TOTAL		102% of Klambda total stat goal (Λtot = 3181/3100), 106% of charge total stat goal (Qtot=3194/3024mC)
6.2 GeV	Q2=2.115 W=2.95 x=0.21 theta_Shms=8.48 low epsilon (Left)	70 uA	Completed	62% of Klambda total stat goal (Λ = 723), 86% of charge total stat goal (Q=3251.3mC) Summary plots
6.2 GeV	Q2=2.115 W=2.95 x=0.21 theta_Shms=8.48 low epsilon (Left)	40 uA	Completed	Dummy run (Al)
6.2 GeV	Q2=2.115 W=2.95 x=0.21 theta_Shms=6.20 low epsilon (Center)	55 uA (40uA actual)	Completed	33% of Klambda total stat goal (Λ = 579), 95% of charge total stat goal (Q=3955mC) Summary plots
6.2 GeV	Q2=2.115 W=2.95 x=0.21 theta_Shms=6.20 low epsilon (Center)	40 uA	Completed	Dummy run (Al)
6.2 GeV	Q2=2.115 W=2.95 x=0.21	TOTAL		45% of Klambda total stat goal (Λtot = 1302/2915), 90.8% of charge total stat goal (Qtot=7206.7/7938mC)
8.2 GeV	Q2=4.4 W=2.74 x=0.40 theta_Shms=10.00 low epsilon (Center)	70 uA	Completed	101% of Klambda total stat goal (Λ = 2517), 88% of charge total stat goal (Q=3611mC)
8.2 GeV	Q2=4.4 W=2.74 x=0.40 theta_Shms=10.00 low epsilon (Center)	40 uA	Completed	Dummy run (Al)
8.2 GeV	Q2=4.4 W=2.74 x=0.40 theta_Shms=13.00 low epsilon (Left)	70 uA	On going	% of Klambda total stat goal (Λ = ), % of charge total stat goal (Q=)
8.2 GeV	Q2=4.4 W=2.74 x=0.40 theta_Shms=13.00 low epsilon (Left)	40 uA	Completed	Dummy run (Al)
8.2 GeV	Q2=4.4 W=2.74 x=0.40	TOTAL		% of Klambda total stat goal (Λtot = ),  % of charge total stat goal (Qtot=)
8.2 GeV	Q2=3.0 W=3.14 x=0.25 theta_Shms=6.89 low epsilon (Center)	70 uA		% of Klambda total stat goal (Λ = ), % of charge total stat goal (Q=)
8.2 GeV	Q2=3.0 W=3.14 x=0.25 theta_Shms=6.89 low epsilon (Center)	40 uA		Dummy run (Al)
8.2 GeV	Q2=3.0 W=3.14 x=0.25 theta_Shms=9.89 low epsilon (Left)	70 uA		% of Klambda total stat goal (Λ = ), % of charge total stat goal (Q=)
8.2 GeV	Q2=3.0 W=3.14 x=0.25 theta_Shms=9.89 low epsilon (Left)	40 uA		Dummy run (Al)
8.2 GeV	Q2=3.0 W=3.14 x=0.25	TOTAL		% of Klambda total stat goal (Λtot = ),  % of charge total stat goal (Qtot=)
8.2 GeV	Q2=5.5 W=3.02 x=0.40 theta_Shms=8.48 low epsilon (Left)	70 uA		% of Klambda total stat goal (Λ = ), % of charge total stat goal (Q=)
8.2 GeV	Q2=5.5 W=3.02 x=0.40 theta_Shms=8.48 low epsilon (Left)	40 uA		Dummy run (Al)
8.2 GeV	Q2=5.5 W=3.02 x=0.40 theta_Shms=5.90 low epsilon (Center)	70 uA		% of Klambda total stat goal (Λ = ), % of charge total stat goal (Q=)
8.2 GeV	Q2=5.5 W=3.02 x=0.40 theta_Shms=5.90 low epsilon (Center)	40 uA		Dummy run (Al)
8.2 GeV	Q2=5.5 W=3.02 x=0.40	TOTAL		% of Klambda total stat goal (Λtot = ),  % of charge total stat goal (Qtot=)

Kaon LT Commissioning Status at 8.2/6.2 GeV

Ebeam	Item	Status	Comment
8.2 GeV	Harp scan	Completed	Log Entry
6.2 GeV	Harp scan	Completed	Log Entry
8.2 GeV	Beam steering and arc measurement	Completed	Log Entry
6.2 GeV	Beam steering and arc measurement	Completed	Log Entry #1 Log Entry #2
8.2 GeV	Golden HMS/SHMS sieve run	Completed	Run 7947
6.2 GeV	Golden HMS/SHMS sieve run	Completed	Run 7840
8.2 GeV	Luminosity Scans	Completed	7948-7961
6.2 GeV	Luminosity Scans	Completed	7841-7847 & 7862-7865
8.2 GeV	HMS/SHMS single arm elastic	Completed	7962-7972
6.2 GeV	HMS/SHMS single arm elastic	Completed	7848-7861
8.2 GeV	HMS/SHMS coincidence ep elastic	Completed	7974-7977
6.2 GeV	HMS/SHMS coincidence ep elastic	Completed	7866 - 7868

Kaon LT Physics Status at Ebeam = 3.8/4.9 GeV

Ebeam	Item	Current	Status	Comment
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	12 uA	Completed	3.1% of Klambda total stat goal (Λ = 252), 2.2% of charge total stat goal (Q=159mC) Kaon Yield 1.82/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	16 uA	Completed	10.4% of Klambda total stat goal (Λ = 854), 8% of charge total stat goal (Q=576mC) Kaon Yield 1.76/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	18 uA	Completed	11.8% of Klambda total stat goal (Λ = 968), 10% of charge total stat goal (Q=720mC) Kaon Yield 1.61/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	20 uA	Completed	5.7% of Klambda total stat goal (Λ = 471), 5.2% of charge total stat goal (Q=375mC) Kaon Yield 1.55/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	24 uA	Completed	11.6% of Klambda total stat goal (Λ = 951), 11.4% of charge total stat goal (Q=823mC) Kaon Yield 1.49/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	32 uA	Completed	12.9% of Klambda total stat goal (Λ = 1062), 14.9% of charge total stat goal (Q=1072) Kaon Yield 1.37/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	35 uA	Completed	3.7% of Klambda total stat goal (Λ = 301), 4.6% of charge total stat goal (Q=328); Al done Kaon Yield 1.29/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	TOTAL	Completed	59% of Klambda total stat goal (Λtot = 4859/8215), 56% of charge total stat goal (Qtot=4054mC/7188mC) [1]
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=9.79	24 uA	Completed	29.6% of Klambda total stat goal (Λ = 2430), 28.9% of charge total stat goal (Q=2077mC) Kaon Yield 1.40/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=9.79	35 uA	Completed	10% of Klambda total stat goal (Λ = 804), 9.6% of charge total stat goal (Q=691mC) Kaon Yield 1.46/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=9.79	40 uA	Completed	27.2% of Klambda total stat goal (Λ = 22235), 29.5% of charge total stat goal (Q=2118mC) Kaon Yield 1.35/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=9.79	50 uA	Completed	34.8% of Klambda total stat goal (Λ = 2862), 37.5% of charge total stat goal (Q=2695mC) Kaon Yield 1.30/mC
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=9.79	TOTAL	Completed	101.4% of Klambda total stat goal (Λtot = 8331/8215), 105.5% of charge total stat goal (Qtot=7581.6mC/7188mC) [2]
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 2	16 uA	Completed	24% of Klambda total stat goal (Λ = 1972), 21.6% of charge total stat goal (Q=1552mC)
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 2	24 uA	Completed	32% of Klambda total stat goal (Λ = 2631), 31% of charge total stat goal (Q=2235mC)
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 2	32 uA	Completed	32% of Klambda total stat goal (Λ = 2622), 36% of charge total stat goal (Q=2580mC)
3.8 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.79 PART 1	TOTAL	Completed	112.9% of Klambda total stat goal (Λtot = 9273/8215), 110.6% of charge total stat goal (Qtot=7950.7mC/7188mC)
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=8.86	13 uA	Completed	37.3% of Klambda total stat goal (Λ = 8504), 24.2% of charge total stat goal (Q=764mC) [ https://logbooks.jlab.org/entry/3639586 Kaon Yield 12.43/mC]
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=8.86	17 uA	Completed	36.6% of Klambda total stat goal (Λ = 8351), 26% of charge total stat goal (Q=824mC) Kaon Yield 11.56/mC
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=8.86	21 uA	Completed	62.9% of Klambda total stat goal (Λ = 14346), 50.4% of charge total stat goal (Q=1593mC) Kaon Yield 11.39/mC
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=8.86	40 uA	Completed	Al done (Q goal for each angle = 218 mC)
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=8.86	TOTAL	Completed	Λtot stat goals: (Reduced=31201/22800=136.8%, PAC=31201/65900=47.3%); Qtot stat goals: (Reduced=3181mC/1175mC=271%, PAC=3181mC/3162mC=101%)
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=11.86	20 uA	Completed	24.4% of Klambda total stat goal (Λ = 5123), 15.3% of charge total stat goal (Q=482mC) Kaon Yield 11.89/mC
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=11.86	25 uA	Completed	30.6% of Klambda total stat goal (Λ = 6434), 20.6% of charge total stat goal (Q=650mC) Kaon Yield 11.33/mC
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=11.86	30 uA	Completed	55.8% of Klambda total stat goal (Λ = 11725), 44.4% of charge total stat goal (Q=1404mC) Kaon Yield 10.94/mC
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=11.86	40 uA	Completed	Al done (Q goal for each angle = 218 mC)
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=11.86	TOTAL	Completed	Λtot stat goals: (Reduced=23282/21000=110.9%, PAC=23282/68250=34.1%); Qtot stat goals: (Reduced=2537mC/976mC=260%, PAC=2537mC/3162mC=80.2%)
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.00	11uA	Completed	22.4% of Klambda total stat goal (Λ = 4682), 18.9% of charge total stat goal (Q=597mC) Kaon Yield 10.56 /mC
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.00	16uA	Completed	71% of Klambda total stat goal (Λ = 14840), 70.5% of charge total stat goal (Q=2230mC) Kaon Yield 8.60 /mC
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.00	40 uA	Completed	Al done (Q goal for each angle = 218 mC)
4.9 GeV	Q2=0.5 W=2.40 x=0.09 theta_Shms=6.00	TOTAL	Completed	Λtot stat goals: (Reduced=19522/20900=93.4%, PAC=19522/60800=32.1%); Qtot stat goals: (Reduced=2827mC/1190mC=70.5%, PAC=2827mC/3162mC=18.9%)

Kaon LT Commissioning Status at 3.8/4.9 GeV

Ebeam	Item	Status	Comment
3.8 GeV	Beam steering and arc measurement	Completed
4.9 GeV	Beam steering and arc measurement	Not done
3.8 GeV	HMS/SHMS single arm elastic	Completed
4.9 GeV	HMS/SHMS single arm elastic	Completed
3.8 GeV	HMS/SHMS coincidence ep elastic	Completed
4.9 GeV	HMS/SHMS coincidence ep elastic	Completed
3.8 GeV	Golden HMS/SHMS sieve run	Completed
4.9 GeV	Golden HMS/SHMS sieve run	Completed
3.8 GeV	Carbon inelastic run	Completed	Run 6619
4.9 GeV	Carbon inelastic run	Completed	Run 6868

Kaon LT Physics Status at Ebeam = 10.6 GeV

Item	Status	Comment
Q2=3.0 W=2.32 x=0.40 theta_Shms=15.18	Completed	65% of stat goal on LH2; Al done Summary plot of all three settings, updated Oct 6 Issues with plots*
Q2=3.0 W=2.32 x=0.40 theta_Shms=18.18	Completed	150% of stat goal on LH2; Al done Summary plot of all three settings, updated Oct 6 Issues with plots*
Q2=3.0 W=2.32 x=0.40 theta_Shms=21.18	Completed	95% of stat goal on LH2; Al done Summary plot of all three settings, updated Oct 6 Issues with plots*
Q2=2.115 W=2.95 x=0.21 theta_Shms=7.74	Completed	41 % of stat goal on LH2; Al done [3]Summary plot of all three settings
Q2=2.115 W=2.95 x=0.21 theta_Shms=10.74	Completed	43 % of stat goal on LH2; Al done [4]Summary plot of all three settings
Q2=2.115 W=2.95 x=0.21 theta_Shms=13.74	Completed	42 % of stat goal on LH2; Al done [5] Summary plot of all three settings
Q2=4.4 W=2.74 x=0.4 theta_Shms=9.81	Completed	66% of stat goal on LH2; Al done Summary plot of SHMS Right
Q2=4.4 W=2.74 x=0.4 theta_Shms=12.81	Completed	63% of the stat goal on LH2; Al done Summary plot of SHMS Center and Left
Q2=4.4 W=2.74 x=0.4 theta_Shms=15.81	Completed	69 % of stat goal on LH2; Al done Summary plot of SHMS Center and Left
Q2=3. W=3.14 x=0.25 theta_Shms=6.65	Completed	64.77% of stat goal on LH2, Al done Summary plot of SHMS Right
Q2=3. W=3.14 x=0.25 theta_Shms=9.42	Completed	61% of stat goal on LH2, Al done Summary plot of SHMS Center
Q2=3. W=3.14 x=0.25 theta_Shms=12.42	Completed	64% of stat goal on LH2, Al done Summary plot of SHMS Left
Q2=5.5 W=3.02 x=0.4 theta_Shms=6.65	Completed	60.09% of stat goal on LH2, Al done Summary plot of SHMS Right
Q2=5.5 W=3.02 x=0.4 theta_Shms=9.56	Completed	61.5% of stat goal on LH2, Al done Summary plot of SHMS Center
Q2=5.5 W=3.02 x=0.4 theta_Shms=12.56	Completed	60.7% of stat goal on LH2, Al done Summary plot of SHMS Left

Kaon LT Commissioning Status at 10.6 GeV

Item	Status	Comment
Detector Checkout	Completed
HMS Trigger PID	Completed
SHMS Trigger PID	Completed
BPM calibration check	Not done
Beam energy measurement	Completed [6]
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	Completed