paul emma injector/bc1 commissioning [email protected] april 20, 2006 1 injector/bc1...

Paul EmmaPaul Emma

Injector/BC1 CommissioningInjector/BC1 Commissioning [email protected]@SLAC.Stanford.edu

April 20, 2006April 20, 20061

Injector/BC1 CommissioningInjector/BC1 Commissioning(Dec. 1, ’06 through Aug. 1, ‘07)(Dec. 1, ’06 through Aug. 1, ‘07)

P. EmmaP. Emma LCLSLCLS FAC Meeting FAC Meeting

Accelerator Systems BreakoutAccelerator Systems Breakout April 20, 2006April 20, 2006

LCLSLCLS

Paul EmmaPaul Emma


April 20, 2006April 20, 20062

LCLSLCLS Accelerator Schematic and Time Frames Accelerator Schematic and Time Frames

SLAC linac tunnelSLAC linac tunnel research yardresearch yard

Linac-0Linac-0L L =6 m=6 m

Linac-1Linac-1L L 9 m9 m

rf rf 25°25°

Linac-2Linac-2L L 330 m330 mrf rf 41°41°

Linac-3Linac-3L L 550 m550 mrf rf 0° 0°

BC1BC1L L 6 m6 m

RR5656 39 mm39 mm

BC2BC2L L 22 m22 m

RR5656 25 mm25 mm DL2 DL2 L L =275 m=275 mRR56 56 0 0

DL1DL1L L 12 m12 mRR56 56 0 0

undulatorundulatorL L =130 m=130 m

6 MeV6 MeVz z 0.83 mm 0.83 mm 0.05 %0.05 %

135 MeV135 MeVz z 0.83 mm 0.83 mm 0.10 %0.10 %

250 MeV250 MeVz z 0.19 mm 0.19 mm 1.6 %1.6 %

4.30 GeV4.30 GeVz z 0.022 mm 0.022 mm 0.71 %0.71 %

13.6 GeV13.6 GeVz z 0.022 mm 0.022 mm 0.01 %0.01 %

Linac-Linac-XXL L =0.6 m=0.6 mrfrf= =

21-1b,c,d

...existinglinac

L0-a,b

rfrfgungun

21-3b24-6dX

25-1a30-8c

Commission in Jan. 2007Commission in Jan. 2007 Commission in Jan. 2008Commission in Jan. 2008

Paul EmmaPaul Emma


April 20, 2006April 20, 20063

Machine Commissioning PlansMachine Commissioning PlansSchedule developed in MS-ProjectSchedule developed in MS-ProjectOne file/manager per systemOne file/manager per systemLink to milestones and events in Master fileLink to milestones and events in Master file

Injector-BC1Injector-BC1

Dec.Dec.‘‘0606

BC2BC2

Dec.Dec.‘‘0707

Dec.Dec.‘‘0505

Sep.Sep.‘‘0707

Aug.Aug.‘‘0606

installinstall installinstall

Mar.Mar.‘‘0808

LTU-und.LTU-und.

Paul EmmaPaul Emma


April 20, 2006April 20, 20064

Paul EmmaPaul Emma


April 20, 2006April 20, 20065

Injector Through BC1 CommissioningInjector Through BC1 Commissioning

xx,,yy

and sliceand slice

EE

EERF RF

deflectordeflector

no laser-heaterno laser-heater

Paul EmmaPaul Emma


April 20, 2006April 20, 20066

Injector Through BC1 Commissioning (2)Injector Through BC1 Commissioning (2)

xx,,yy

EE

EEslice slice yy

stopperstopper

relative relative bunch length bunch length

monitorsmonitors

X-band X-band RFRF

BC1BC1

Paul EmmaPaul Emma


April 20, 2006April 20, 20067

Many Measurement Simulations DoneMany Measurement Simulations Done

Linac-1 RF phase scanLinac-1 RF phase scan(X-band off, BC1 bends at 295 MeV)(X-band off, BC1 bends at 295 MeV)

set phase to set phase to 2525˚̊0.50.5˚̊

20-20-m res. BC1 BPMm res. BC1 BPM

L1 RF phaseL1 RF phase

Linac-1Linac-1newnew

rfrfgungun

21-1b21-1b21-1d21-1d XX

= meas. sim.= calc.= y distribution= actual

DL1 slice-emit on WS02DL1 slice-emit on WS02

Slice Emittance MeasurementSlice Emittance MeasurementL1-Linac RF PhasingL1-Linac RF Phasing

Paul EmmaPaul Emma


April 20, 2006April 20, 20068

Also available:Also available:P. Emma,P. Emma,P. Krejcik,P. Krejcik,C. Limborg,C. Limborg,J. Schmerge,J. Schmerge,et al.et al.

LCLSLCLS Drive-LaserDrive-Laser Commissioning Commissioning8-Hour Cycle (5 days/week, 8-Hour Cycle (5 days/week, 8/1/06 to 12/1/068/1/06 to 12/1/06, 16 total weeks), 16 total weeks)

DAY SHIFT DAY SHIFT (8:00-16:00)(8:00-16:00)W. White, J. Castro,W. White, J. Castro,

D. Dowell, S. Gilevich,D. Dowell, S. Gilevich,H. Loos, S. Peng (as needed)H. Loos, S. Peng (as needed)

DAY SHIFT DAY SHIFT (8:00-16:00)(8:00-16:00)W. White, J. Castro,W. White, J. Castro,

D. Dowell, S. Gilevich,D. Dowell, S. Gilevich,H. Loos, S. Peng (as needed)H. Loos, S. Peng (as needed)

SWING SHIFT SWING SHIFT (16:00-24:00)(16:00-24:00)(none)(none)

SWING SHIFT SWING SHIFT (16:00-24:00)(16:00-24:00)(none)(none)

OWL SHIFT OWL SHIFT (0:00-8:00)(0:00-8:00)(none)(none)

OWL SHIFT OWL SHIFT (0:00-8:00)(0:00-8:00)(none)(none)

(see W. White)(see W. White)

Paul EmmaPaul Emma


April 20, 2006April 20, 20069

DAY SHIFT DAY SHIFT (8:00-16:00)(8:00-16:00)1 lead physicist, 1 physicist,1 lead physicist, 1 physicist,

1 controls eng., 1 sys. engineer,1 controls eng., 1 sys. engineer,1 LCLS operator, 1 laser operator1 LCLS operator, 1 laser operator

DAY SHIFT DAY SHIFT (8:00-16:00)(8:00-16:00)1 lead physicist, 1 physicist,1 lead physicist, 1 physicist,

1 controls eng., 1 sys. engineer,1 controls eng., 1 sys. engineer,1 LCLS operator, 1 laser operator1 LCLS operator, 1 laser operator

LCLSLCLS Injector/BC1 Commissioning Injector/BC1 Commissioning24-Hour Cycle (7 days/week, 24-Hour Cycle (7 days/week, 12/1/06 to 8/1/0712/1/06 to 8/1/07, 32 total weeks), 32 total weeks)

SWING SHIFT SWING SHIFT (16:00-24:00)(16:00-24:00)1 lead physicist, 1 physicist,1 lead physicist, 1 physicist,

1 LCLS operator, 1 laser operator1 LCLS operator, 1 laser operator

SWING SHIFT SWING SHIFT (16:00-24:00)(16:00-24:00)1 lead physicist, 1 physicist,1 lead physicist, 1 physicist,

1 LCLS operator, 1 laser operator1 LCLS operator, 1 laser operator

OWL SHIFT OWL SHIFT (0:00-8:00)(0:00-8:00)1 LCLS operator, 1 operator,1 LCLS operator, 1 operator,

1 laser operator1 laser operator

OWL SHIFT OWL SHIFT (0:00-8:00)(0:00-8:00)1 LCLS operator, 1 operator,1 LCLS operator, 1 operator,

1 laser operator1 laser operator

Paul EmmaPaul Emma


April 20, 2006April 20, 200610

Shift LeadersShift Leaders (initially) (initially)(1 per D/S shift)(1 per D/S shift)

1.1. Dave DowellDave Dowell2.2. Paul EmmaPaul Emma3.3. Patrick KrejcikPatrick Krejcik4.4. Cecile LimborgCecile Limborg5.5. Bill WhiteBill White

OperationsOperations(1 per DAY & SWING (1 per DAY & SWING shift and 2 per OWL)shift and 2 per OWL)

Personnel Available for Personnel Available for LCLSLCLS Injector/BC1 Commissioning Injector/BC1 Commissioning

LCLS PhysicistsLCLS Physicists(1 per D/S shift)(1 per D/S shift)

1.1. Sasha GilevichSasha Gilevich2.2. Henrik LoosHenrik Loos3.3. Heinz-Dieter NuhnHeinz-Dieter Nuhn4.4. John SchmergeJohn Schmerge5.5. Dave SchultzDave Schultz6.6. Jim WelchJim Welch7.7. Juhao WuJuhao Wu

Controls eng.Controls eng.(1 per DAY shift)(1 per DAY shift)

1.1. Stephanie AllisonStephanie Allison2.2. Mike ZelazneyMike Zelazney3.3. Debbie RogindDebbie Rogind4.4. Diane FairleyDiane Fairley5.5. Stephen NoremStephen Norem6.6. Arturo Arturo AlarconAlarcon7.7. Doug MurrayDoug Murray8.8. Sergei ChevtsovSergei Chevtsov9.9. Karen KotturiKaren Kotturi10.10. Kristi LuchiniKristi Luchini11.11. Sheng PengSheng Peng12.12. Stephen SchuhStephen Schuh13.13. Till StraumannTill Straumann

Sys. EngineersSys. Engineers(1 per DAY shift)(1 per DAY shift)

1.1. Eric BongEric Bong2.2. Carl RagoCarl Rago3.3. Leif ErikssonLeif Eriksson4.4. Richard F. BoyceRichard F. Boyce5.5. Jose ChanJose Chan6.6. Tim MontagneTim Montagne7.7. Paul BellomoPaul Bellomo8.8. Antonio de LiraAntonio de Lira9.9. Dave MacNairDave MacNair

Accelerator, ILC, SSRLAccelerator, ILC, SSRL1.1. Franz-Josef DeckerFranz-Josef Decker2.2. Jim TurnerJim Turner3.3. Rick IversonRick Iverson4.4. Doug McCormickDoug McCormick5.5. Joe FrischJoe Frisch6.6. Marc RossMarc Ross7.7. Jeff CorbettJeff Corbett8.8. James SafranekJames Safranek

Laser OperatorsLaser Operators

Visitors ?Visitors ?

Paul EmmaPaul Emma


April 20, 2006April 20, 200611

Man-Power Requirements (12/1/06 – 8/1/07)Man-Power Requirements (12/1/06 – 8/1/07)32 weeks total (12/1/06 to 8/1/07, minus 2 weeks)32 weeks total (12/1/06 to 8/1/07, minus 2 weeks)80% coverage (downtime)80% coverage (downtime)14 14 lead-physicistlead-physicist shifts/week shifts/week14 14 physicistphysicist shifts/week shifts/week7 7 controls eng.controls eng. shifts/week shifts/week7 7 sys. engineersys. engineer shifts/week shifts/week21 21 laser operatorlaser operator shifts/week shifts/week(28 (28 operatoroperator shifts/week) shifts/week)

Average of Average of 2.82.8 shifts/week for each shifts/week for each lead physicistlead physicistAverage of Average of 2.02.0 shifts/week for each shifts/week for each physicistphysicistAverage of Average of 0.50.5 shifts/week for each shifts/week for each controls eng.controls eng.Average of Average of 0.80.8 shifts/week for each shifts/week for each sys. engineersys. engineerAverage of 4-Average of 4-55 shifts/week for each shifts/week for each laser operatorlaser operator

(32 weeks)(32 weeks)(2(214 + 214 + 27 + 21)7 + 21)(80%) (80%) 1600 man-shifts = 1600 man-shifts =12900 man-hours 12900 man-hours 6.5 man-years (+ 2.9 from op’s)6.5 man-years (+ 2.9 from op’s)

Paul EmmaPaul Emma


April 20, 2006April 20, 200612

LCLSLCLS Commissioning Parameters Commissioning Parameters

ParameterParameter ValueValue CommentsComments

RF rateRF rate 30 Hz30 Hz 30 Hz in linac (possible short-term 120 Hz linac rate 30 Hz in linac (possible short-term 120 Hz linac rate in L0-BC1 for feedback tests, etc) - 120 Hz in gun for in L0-BC1 for feedback tests, etc) - 120 Hz in gun for short time to verify full rateshort time to verify full rate

Beam rateBeam rate ≤≤30 Hz30 Hz 30 Hz e- beam as baseline – possible 120-Hz tests in 30 Hz e- beam as baseline – possible 120-Hz tests in L0-BC1 for short term verification of feedback, etcL0-BC1 for short term verification of feedback, etc

Drive-laser rateDrive-laser rate 120 Hz120 Hz 120-Hz all the times – pulse-picker provides 120-Hz all the times – pulse-picker provides ee rate rate as required aboveas required above

Bunch chargeBunch charge 200-500 pC200-500 pC 200-500 pC, depending on QE and diagnostics - 200-500 pC, depending on QE and diagnostics - short spans at 10 pC – later in ’07 we explore 1-nCshort spans at 10 pC – later in ’07 we explore 1-nC

Drive-laser pulse lengthDrive-laser pulse length 10 ps fwhm10 ps fwhm 10 ps fwhm startup with possibility of 6-ps at 0.2 nC 10 ps fwhm startup with possibility of 6-ps at 0.2 nC later – early laser tests may provide path to more later – early laser tests may provide path to more convenient pulse-length changesconvenient pulse-length changes

Gun gradientGun gradient 120 MV/m120 MV/m 120 MV/m, although 110 MV/m is adequate in ‘07120 MV/m, although 110 MV/m is adequate in ‘07

Paul EmmaPaul Emma


April 20, 2006April 20, 200613

IssuesIssues

Controls will be mixed (SLC & epics) and Controls will be mixed (SLC & epics) and capabilities may be limited initiallycapabilities may be limited initially

Most High-Level Applications (emittance, Most High-Level Applications (emittance, bunch length, feedback) must done through bunch length, feedback) must done through MATLAB as a temporary solutionMATLAB as a temporary solution

Most Most LCLSLCLS physicists not yet experienced in physicists not yet experienced in SLAC control room with SLC controlsSLAC control room with SLC controls

Help from operations group will be neededHelp from operations group will be needed

paul emma injector/bc1 commissioning [email protected] april 20, 2006 1 injector/bc1...

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