Kaon LT Status Page

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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 DONE 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 DONE 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 109% of Klambda total stat goal (Λ = 2728), 88% of charge total stat goal (Q=3611mC) Summary plots
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 Completed 180% of Klambda total stat goal (Λ = 4046), 163% of charge total stat goal (Q=6711mC) Summary plots
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 DONE 143% of Klambda total stat goal (Λtot = 6774/4750), 126% of charge total stat goal (Qtot=10321/8215mC)
8.2 GeV Q2=3.0 W=3.14 x=0.25 theta_Shms=6.89 low epsilon (Center) 70 uA Completed 142% of Klambda total stat goal (Λ = 11626/8200), 101% of charge total stat goal (Q= 10229/10130) Summary plots
8.2 GeV Q2=3.0 W=3.14 x=0.25 theta_Shms=6.89 low epsilon (Center) 40 uA Completed 96% of Klambda total stat goal (Λ = 958/1000)
8.2 GeV Q2=3.0 W=3.14 x=0.25 theta_Shms=6.89 low epsilon (Center) 40 uA Completed Dummy run (Al)
8.2 GeV Q2=3.0 W=3.14 x=0.25 theta_Shms=9.89 low epsilon (Left) 70 uA Completed 138% of Klambda total stat goal (Λ = 8405/6100), 123% of charge total stat goal (Q= 12440/10130) Summary plots
8.2 GeV Q2=3.0 W=3.14 x=0.25 theta_Shms=9.89 low epsilon (Left) 40 uA Completed Dummy run (Al)
8.2 GeV Q2=3.0 W=3.14 x=0.25 TOTAL DONE 140% of Klambda total stat goal (Λtot = 20031/14300), 119% of charge total stat goal (Qtot= 22669/20260mC)
8.2 GeV Q2=5.5 W=3.02 x=0.40 theta_Shms=8.48 low epsilon (Left) 70 uA Completed 134% of Klambda total stat goal (Λ = 835/525), 119% of charge total stat goal (Q=12009/10105) Summary plots
8.2 GeV Q2=5.5 W=3.02 x=0.40 theta_Shms=8.48 low epsilon (Left) 40 uA Completed Dummy run (Al)
8.2 GeV Q2=5.5 W=3.02 x=0.40 theta_Shms=5.90 low epsilon (Center) 70 uA Completed 222% of Klambda total stat goal (Λ = 1164/525), 123% of charge total stat goal (Q=12440/10105) Summary plots
8.2 GeV Q2=5.5 W=3.02 x=0.40 theta_Shms=5.90 low epsilon (Center) 40 uA Completed Dummy run (Al)
8.2 GeV Q2=5.5 W=3.02 x=0.40 TOTAL DONE 191% of Klambda total stat goal (Λtot = 2000), 121% of charge total stat goal (Qtot=24449mC)

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 Log Entry
4.9 GeV Beam steering and arc measurement Completed Log Entry
3.8 GeV HMS/SHMS single arm elastic Completed Runs 6595 - 6633
4.9 GeV HMS/SHMS single arm elastic Completed Runs 6869 - 6880
3.8 GeV HMS/SHMS coincidence ep elastic Completed Runs 6634 - 6637
4.9 GeV HMS/SHMS coincidence ep elastic Completed Runs 6881 - 6883
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 Log Entry #1 Log Entry #2
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 Runs 4784 - 4826
HMS/SHMS coincidence ep elastic Completed 25K events ( wanted 50K) Runs 4826 - 4828 and 4855 - 4864
Golden HMS/SHMS sieve run Completed Used to check the stability of beam positions at different energies
Luminosity scan Completed Runs 5149 - 5181

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