Week 0: PPS Certification and Processing. Mon Feb 11 Tue Feb 12 Wed Feb 13 Thu Feb 14 Fri Feb 15 Sat Feb 16 Sun Feb 17

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Blanche Penelope Watson
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1 Week 0: PPS Certification and Processing Mon Feb 11 Tue Feb 12 Wed Feb 13 Thu Feb 14 Fri Feb 15 Sat Feb 16 Sun Feb 17 Work in tunnel Work in tunnel PPS Certification PPS Certification PPS Certification RF Processing RF Processing Ops/Controls Ops/Controls Ops/Controls AMRF/Ops AMRF/Ops Work in tunnel Sector Search PPS Certification PPS Certification PPS Certification RF Processing RF Processing Ops Ops/Controls Ops/Controls Ops/Controls AMRF/Ops AMRF/Ops Work in tunnel Sector Search PPS Certification PPS Certification PPS Certification RF Processing RF Processing Ops Ops/Controls Ops/Controls Ops/Controls AMRF/Ops AMRF/Ops BAS Issued VV1A, VV1B, VV2 processing complete

2 Week 1: Injector & NDR setup Mon Feb 18 Tue Feb 19 Wed Feb 20 Thu Feb 21 Fri Feb 22 Sat Feb 23 Sun Feb 24 Beam off cathode, bunching Sector 0-1 tuneup LCLS Sector 0-1 tuneup NLTR quad 1494 fix Beam to NRTL Steer NRTL (compressor off) 2e10, 10 Hz 1.5e10, 10 Hz 1.5e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz Stopper 500 NLTR stopper NLTR stopper NRTL stopper NRTL stopper Beam to NLTR Sector 0-1 tuneup Sector 0-1 tuneup Store beam in NDR NDR throughput NRTL compressor on 1.5e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz NLTR stopper NRTL stopper NRTL stopper NRTL stopper NRTL stopper NRTL stopper Sector 0-1 tuneup Sector 0-1 tuneup Phase klystrons Sector 0-1 tuneup NDR tuneup NDR throughput Recommission feedbacks 1.5e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz NLTR stopper NRTL stopper NRTL stopper NRTL stopper NRTL stopper NRTL stopper NRTL stopper Full check-out of Kraken Motors. Full check-out of cameras. Beam stored in NDR NDR Throughput > 80% 12 GeV Sector 10

3 Week 2: Linac setup Mon Feb 25 Tue Feb 26 Wed Feb 27 Thu Feb 28 Fri Mar 1 Sat Mar 2 Sun Mar 3 NRTL tuning Eta match, NRTL into linac Sector 2 steering/emit tuning Establish energy in linac, 21 GeV Beam to FACET dump / initial checkout Emittance tuning 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz NRTL stopper NRTL stopper 2-9 Dump e+ target FACET dump e+ target Beam to 2-9 Sec 10 on, beam down linac, rad survey Establish chirp, compressed beam Recommission linac feedbacks Ops Linac steering Emittance tuning 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 2-9 Dump e+ target e+ target e+ target e+ target e+ target Beta match, NRTL into Linac Phase klystrons, Sectors 2-10 Linac steering Phase klystrons, Sectors Linac BBA, Sec 2-10 Linac BBA, Sec e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 2-9 Dump e+ target 2-9 dump e+ target e+ target e+ target e+ target LCLS-ii radiation survey complete Camera DAQ fully working Cameras removed. Laser bend box and drift assembly. 30 x 3 mm-mrad in LI02, no tails 21 GeV Sector x 5 mm-mrad in GeV

4 Week 3: Pencil beam setup, Sector 20 checkout Mon Mar 4 Tue Mar 5 Wed Mar 6 Thu Mar 7 Fri Mar 8 Sat Mar 9 Sun Mar 10 Chirp off, establish pencil beam LCLS Linac recovery Beam to FACET dump Recommission OTRs Commission new wire scanners 5e9, 10 Hz 1e10, 30 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz e+ target e+ target FACET dump FACET dump FACET dump Optimize linac emittance Linac recovery/tuning Linac realignment checkout Linac steering algorithm devel FACET Exp. Diagnostic checkout (6hrs) 1e10, 10 Hz 5e9, 10 Hz 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz FACET dump e+ target e+ target e+ target e+ target Optimize linac emittance Phase klystrons Sectors 2-10 Phase klystrons Sectors BBA realigned quads Linac ballistic data realigned quads 5e9, 10 Hz 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz e+ target e+ target e+ target e+ target e+ target e+ target Missed goal: Laser mirror assembly. All screens, cameras and spoilers installed. E-202 samples installed. Missed goal: Alignment of laser transport done. Missed target: OTRs/ Missed target: wires work Missed goal: Movers + SQ commissioned Missed goal: OTRs working Missed goal: Wire scanners working

5 Week 4: Pencil beam, new optics checkout Mon Mar 11 Tue Mar 12 Wed Mar 13 Thu Mar 14 Fri Mar 15 Sat Mar 16 Sun Mar 17 POMM/DOE Visit Linac tuning VVS fault Cooling tower fault E211 CERN BBA FACET Exp. Diagnostic checkout (6 hr) 1e10, 10 Hz 1e10, 10 Hz 5e9, 10 Hz FACET dump FACET dump FACET dump VVS fault Cooling tower fault E211 CERN BBA (12 hr) (9 hr - until 3am) 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10,30 Hz 5e9, 10 Hz FACET dump FACET dump FACET dump e+ target e+ target VVS fault Cooling tower fault E211 CERN BBA E211 CERN BBA Linac tuning (8 hr) (8 hr) 1e10, 30 Hz 5e9, 10 Hz 5e9, 10 Hz e+ target Wires work (Missed goal? No signal seen) Swap polarity Q New optics beam to FACET dump. Tuning procedure validated. E211: Test scripts. Response of beam to correctors mapped. Improve orbit control. BetaRad response measured, light seen on all OTRs, E200 DAQ scripts checked-out, energy scale E201 sample holder, established on Cherenkov Missed goal: pop-ins and spectrometer. Missed goal: diagnostics installed. Notch and Jaw Collimators moving. E-211 Dispersion measurement and DFS tested. Missed : TCAV fully operational. E-211 Full demonstration of CERN BBA. Missed goal: E211: Missed goal: E211: Demonstration of reduced Demonstration of reduced emittance in second half of emittance in second half of linac linac

6 v9 Week 5: Pencil beam new optics tuning, user time Mon Mar 18 Tue Mar 19 Wed Mar 20 Thu Mar 21 Fri Mar 22 Sat Mar 23 Sun Mar 24, LION cal Characterization TCAV Studies (provided vacuum good) Ballistic contingency S20 1e10, 10 Hz 1e10, 10 hz 1e10, 10 Hz User pencil beam [1/2] 1e10, 10 Hz 1e10, 30 Hz FACET dump FACET dump FACET dump FACET dump FACET dump User pencil beam[1] 1e10, 10 Hz User pencil beam [1/2] contingency Restore Chirp 1e10, 10 Hz 1e10, 10 hz User pencil beam[2] 1e10, 10 Hz 1e10, 10 Hz 1e10, 30 Hz FACET dump FACET dump FACET dump FACET dump FACET dump e+ target Linac tuning Linac tuning Linac tuning Linac tuning Linac tuning Linac tuning Linac tuning 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz 1e10, 30 Hz e+ target e+ target e+ target e+ target e+ target e+ target e+ target Pencil beam < 30x30 with new optics Establish beam vector for E- 201 IP. Find beam on E-202 BLIS, pyro and KOTR wires. Expose E-202 camera aligned. samples if conditions are good. Confirm beam vector for Kraken OTR reproduced. E- E-201 CCR complete. TCAV 201 CTR measurement studies complete. Notch complete. YAG studies and Jaw positions complete. Emittance established. Cherenkov measured. Zero-energy resolution measured. spread spots measured on OTRs.

7 v9 Week 6: Compressed beam new optics tuning, 1e10 Mon Mar 25 Tue Mar 26 Wed Mar 27 Thu Mar 28 Fri Mar 29 Sat Mar 30 Sun Mar 31 Linac tuning Low beta optics LCLS Low beta optics Low beta optics Low beta optics Low beta optics 1e10, 30 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz e+ target FACET dump FACET dump FACET dump FACET dump FACET dump Linac tuning Low beta optics Linac tuning Low beta optics Linac tuning Low beta optics 1e10, 30 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz e+ target FACET dump FACET dump FACET dump FACET dump FACET dump Linac tuning IP/Linac tuning IP/Linac tuning IP/Linac tuning IP/Linac tuning IP/Linac tuning 1e10, 30 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz e+ target FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump E-206 THz instruments recommissioned. Transport across copper wire tested. New E-202 samples (set 2) installed. New E-201 samples installed. E-206 THz set-up optimized. E- 203 hardware fully checked out. 50 x 5 mm-mrad in GeV

8 v9 Week 7: User compressed beam, 1e10 Mon Apr 1 Tue Apr 2 Wed Apr 3 Thu Apr 4 Fri Apr 5 Sat Apr 6 Sun Apr 7 IP spot size tuning IP spot size tuning IP spot size tuning IP spot size tuning IP spot size tuning IP spot size tuning 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump User low charge compressed beam User low charge compressed beam User low charge compressed beam User low charge compressed beam User low charge compressed beam User low charge compressed beam 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump IP/Linac tuning IP/Linac tuning IP/Linac tuning IP/Linac tuning IP/Linac tuning IP/Linac tuning 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump < 30x30x30 um in Sector 20 E-203 check-out with beam. E-203 demonstration of successful measurement. E-202 exposed samples (set 2). E-201 CCR with tubes. New E-202 samples (set 3) installed. E-203 studies (alt. program E-201) E-202 exposed samples (set 3). E-201 complete E-201 complete CCR slabs. CCR tubes. (alt. program E- (alt. program E-206 THz) 201 slabs complete) E-206 THz measurement

9 Week 8: Low charge users, Linac High-charge, IP Beta-squeeze Mon Apr 8 Tue Apr 9 Wed Apr 10 Thu Apr 11 Fri Apr 12 Sat Apr 13 Sun Apr 14 IP spot size tuning IP spot size tuning Linac Tuning Linac Emittance Tuning Linac Emitance Tuning DOE tour 12-2 Linac High-Charge Tuning 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 2e10, 10 Hz FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump User low charge compressed beam User low charge compressed beam Linac Emittance Tuning IP Beta Squeeze IP Beta Squeeze Linac High-Charge Tuning 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 2e10, 10 Hz FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump IP/Linac tuning IP/Linac tuning Klystron Phasing Klystron Phasing Klystron Phasing SOP/Tuning 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 1e10, 10 Hz 2e10, 10 Hz FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump FACET dump E-206 complete. (Alt. program, MD) E-203 complete. E-202 sample change. Install E-204 metallic structure.

10 Week 9: Linac High-Charge & E200 CTM Studies Mon Apr 15 Tue Apr 16 Wed Apr 17 Thu Apr 18 Fri Apr 19 Sat Apr 20 Sun Apr 21 Linac High-Charge Tuning Linac High-Charge Tuning Linac High-Charge Tuning Linac High-Charge Tuning 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz FACET dump FACET dump FACET dump FACET dump IP Beta Squeeze IP Beta Squeeze S20 Lattice S20 Lattice 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz E202 Sample Exposure FACET dump FACET dump FACET dump FACET dump E200: CTM E200: CTM SOP/Tuning SOP/Tuning Klystron Phasing Klystron Phasing 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz FACET dump FACET dump FACET dump FACET dump FACET dump Full check-out of E-200 Rb oven 30x30x30 Etax=Etay<0.5mm, Etax'=Etay'<30mrad Set-up and characterize Sig_y vs TCAV IPOTR with no delta<y> 30x30x30 Etax=Etay<0.5mm, Etax'=Etay'<30mrad CTM vs offset,2 np Also check etax sextupole knobs and tolerances for x/y asymetry at IP Details in Request

11 Week 10: E200 CTM and Mixed Buffer Gas Experiment Mon Apr 22 Tue Apr 23 Wed Apr 24 Thu Apr 25 Fri Apr 26 Sat Apr 27 Sun Apr 28 E200: CTM E200: CTM E200: Mixed Gas E200: Mixed Gas E200: Mixed Gas E200: Mixed Gas 30x30x40 Etax=Etay<0.5mm, Etax'=Etay'<30mrad CTM vs offset, 2 np 30x30x60 Etax=Etay<0.5mm, Etax'=Etay'<30mrad CTM vs offset, 2np Install Li oven, changeout E202 samples 30x30x30 Etax'=Etay'<1mrad Betax/y=10x100cm max beam density. Scan Eloss/Egain vs xwaist +/-0.5m. IP TWISS with multi-screen. Max L, np(sigz) but ~2E17e- /cc. All for varied QS E setp. 30x30x30 Etax'=Etay'<1mrad Betax/y=10x100cm Egain/Eloss and add small % Ar to He buffer gas gas, equilibrate oven. Find x- waist where Ar dark current shuts off. All for varied QS E setp. 30x30x30 Etax'=Etay'<1mrad Betax/y=10x100cm Mixed higher np. All for varied QS E setp. 30x30x30 Etax'=Etay'<1mrad Betax/y=10x100cm Mixed gas at lower np. All for varied QS E setp.

12 Week 11: E200 Mixed Buffer Gas and Tunnel Laser Setup Mon Apr 29 Tue Apr 30 Wed May 1 Thu May 2 Fri May 3 Sat May 4 Sun May 5 Laser Work Laser Work Finishes Laser Contingency/y Laser Contingency/y E200: Mixed Gas E200: Mixed Gas 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz 2e10, 10 Hz FACET dump FACET dump FACET dump FACET dump 30x30x40 Etax'=Etay'<1mrad Betax/y=10x100cm Pure He buffer gas, Egain/Eloss nominal np, scan x-waist. All for varied QS E setp. 30x30x40 Etax'=Etay'<1mrad Betax/y=10x100cm Mixed gas, Egain/Eloss vs Ar % near optimum waist location for trapping, scan x-waist. All for varied QS E setp. Laser Work in Tunnel Laser Work in Tunnel Laser Work in Tunnel Laser Work in Tunnel Laser Work in Tunnel

13 Week 12: E200 Beam/Laser Overlap & Pre/Beam Ionized Plasma Mon May 6 Tue May 7 Wed May 8 Thu May 9 Fri May 10 Sat May 11 Sun May 12 E200: Laser Alignment E200: Laser Alignment E202 sample exposure E200: Pre/beam ionized E200: Pre/beam ionized E200: Pre/beam ionized 30x30x30 E200 Gold orbit, Etax=Etay<1mm, Etax'=Etay'<1mrad, enx/eny<60x10µm, E200 gold orbit Max Lp, np optimized for sigz, align beam & laser to overlap on IPOTRA & B. Egain/Eloss for pre and beam ionized plasma. All for varied QS E setp. E200 unless noted otherwise 30x30x30 E200 Gold orbit, Etax=Etay<1mm, Etax'=Etay'<1mrad, enx/eny<60x10µm, E200 gold orbit Egain/Eloss vs plasma column translation to measure effective width of ionized channel. Decrease laser energy if time allows. 30x30x30 E200 Gold orbit, Etax=Etay<1mm, Etax'=Etay'<1mrad, enx/eny<60x10µm, E200 gold orbit Egain/Eloss vs waist location (laser ON, laser OFF, oven OUT). All for varied QS E setp. 30x30x30 E200 Gold orbit, Etax=Etay<1mm, Etax'=Etay'<1mrad, enx/eny<60x10µm, E200 gold orbit Vary np, Egain/Eloss vs plasma column translation to measure effective width of ionized channel. Decrease laser energy if time allows. All for varied QS E setp. 30x30x50 E200 Gold orbit, Etax=Etay<1mm, Etax'=Etay'<1mrad, enx/eny<60x10µm, E200 gold orbit Lower np, Egain/Eloss vs plasma column translation to measure effective width of ionized channel. Decrease laser energy if time allows. All for varied QS E setp.

14 Week 13: E201 & E200 Single Bunch Cleanup Mon May 13 Tue May 14 Wed May 15 Thu May 16 Fri May 17 Sat May 18 Sun May 19 E200 float or E201 E201 E200 2nd Pass at Week 12 E200 2nd Pass at Week 12 E200 2nd Pass at Week 12 E200 2nd Pass at Week 12

15 Week 14: 10mm R56 Config Development Mon May 20 Tue May 21 Wed May 22 Thu May 23 Fri May 24 Sat May 25 Sun May 26

16 Week 15: E200 Two Bunch Development Mon May 27 Tue May 28 Wed May 29 Thu May 30 Fri May 31 Sat Jun 1 Sun Jun 2 E200 E200 E200 E200 E200 E200 Will create and characterize two bunches with Notch Collimator and TCAV, maintaining beam quality at IP, then send into plasma. Will iterate, with slow variations in plasma density

17 Week 16: E200 With Two Bunches and Pre-ionized Plasma Mon Jun 3 Tue Jun 4 Wed Jun 5 Thu Jun 6 Fri Jun 7 Sat Jun 8 Sun Jun 9 Will create and characterize two bunches with Notch Collimator and TCAV, maintaining beam quality at IP, then send into plasma. Will iterate, with slow variations in plasma density, beam waist

18 Week 17: Mon Jun 10 Tue Jun 11 Wed Jun 12 Thu Jun 13 Fri Jun 14 Sat Jun 15 Sun Jun 16

P. Emma, et al. LCLS Operations Lectures

P. Emma, et al. LCLS Operations Lectures LCLS 1 LCLS Accelerator Schematic 6 MeV 135 MeV 250 MeV σ z 0.83 mm σ z 0.83 mm σ z 0.19 mm σ δ 0.05 % σ δ 0.10 % σ δ 1.6 % Linac-0 L =6 m rf gun L0-a,b Linac-1