1. APEX RUN-14 APEX Schedule April 1, 2014 8:00am Store Elens commissioning Gu, Fischer, Luo, Simon 10:00am 4:30pm2:00pm AC dipole setup Bai Momentum Aperture measurement Luo Injection 8:00pm Injection DA measurement with 2.5GeV working point Montague 10:00pm Back2Physics Coupling matrix measurement Tepikian Injection 5:30pm ATS preparation GRD, Simon, Bai, Al Store Injection 12:00pm Injection DX Aperture Scan Luo, Tepikian, Al, Bai 11:00pm

2. APEX RUN-14 APEX Overview DA with 2.5GeV working point Injection, Montag No data due to main power supply QLI Elens commissioning Gu, Fischer, White Luo, etc Confirmed e beam alignment with Au beam Off-momentum aperture scan Luo, GRD, Liu etc First Telescope Optics Squeeze for RHIC(TOR) test GRD, Luo, White, Shen, Bai Achieved 0.6m beta* at both IPs in Blue with good lifetime and small global beta-beat Beam was re-bucketed and non-cooled DX aperture scan Luo, Marusic, Bai, Tepikian, White First Telescope Optics Squeeze for RHIC(TOR) test GRD, Luo, White, Shen, Bai Achieved 0.5m beta* with good lifetime after chromaticity corrections Back to Physics collision right after midnight IP transfer map: Tepikian V ac dipole setup: Bai

3. APEX RUN-14 Elens: Gu, Fischer, White, Luo, etc Measured Orbit and Tune Shift

4. APEX RUN-14 Elens: Gu, Fischer, White, Luo, etc Summary

5. APEX RUN-14 Momentum Aperture Measurement Al, cait, chuyu, grd, Mei, Michiko, Yun

6. APEX RUN-14 First Telescope Optics Squeeze for RHIC test GRD, Marusic, Shen, White, Luo, Tepikian, Bai IP6: Beta*x,y=0.57m,0.57m IP8: Beta*x,y=0.62m,0.61m IP6: Beta*x,y=0.55m,0.43m IP8: Beta*x,y=0.54m,0.53m Au14-ats::beta60 Au14-ats::beta50 DX aperture Scan at Injection

7. APEX RUN-14 First Telescope Optics Squeeze for RHIC test GRD, Marusic, Shen, White, Luo, Tepikian, Bai Au14-ats::beta60

8. APEX RUN-14 First Telescope Optics Squeeze for RHIC test GRD, Marusic, Shen, White, Luo, Tepikian, Bai

9. APEX RUN-14 First Telescope Optics Squeeze for RHIC test GRD, Marusic, Shen, White, Luo, Tepikian, Bai Poor data quality due to lower bunch intensity Au14-ats::beta50

10. APEX RUN-14 DX Aperture Scan Marusic, Luo, Tepikian, Bai Summary & Plan 1. Full sets of data taken at injection Measurement done at injection after a dipole QLI 2. Detailed data analysis is under way likely beam began to loss at 1.6mrad ( half of maximum ) 3. May repeat this experiment once → one confirmation at injection → one confirmation at store