E-163 Schedule Guess

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25 Νοε 2013 (πριν από 3 χρόνια και 6 μήνες)

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E
-
163 Schedule Guess






E. Colby

Gun critical path






updated
5/16
/05

Expt. Critical path


May

Gun girder


Component bakeout done ~5/23


Girder buildup


Laser Safety System

design done; parts ordered
; reviewed 5/13




Safety approvals to operate photo

gun sought

BAS mods needed

Gun cable plant upgrades complete
d

2/3 specified, 1/3 as yet undefined

Fit
-
out laser transport line

Optics in
-
hand;
some

vac line parts on order

Laser t
ransport to gun co
mmissioned

using class
-
1 alignment laser for now

Thermionic

gun removed

June

Gun

4 cathodes mach’d
; final

processing & install; retune gun to 113F


Laser+transport testing

Install gun girder


Install gun optical table

Finish transport optics

Specify vacuum controls for E
-
163 hall

Controls programming

(mods for dbg
en, primarily)

Systems checkout







230 C Bake in
situ testing

July



Laser Safety System Operational


Safety Review of LSS

Commission gun

Request controls hdwr
(3 crates)

Racks to mezzanine; start electrical installation

August


Gun

+ NLCTA beam

studie
s


Build up beamline in E
-
163 hall


Complete laser transport line into E
-
163 hall


Controls programming for E
-
163 beamline


Experiment cable plant


Building 225 cable plant


Seek BAS for beam to E
-
163 hall


Install PPS system for E
-
163 hall

September


Gun

+ NLCTA beam
studies


Install dogleg dipole in NLCTA enclosure

October


Finish installation of E
-
163 line; phase
-
I experiment


Systems checkout

November



Commission E
-
163 beamline

Dec
ember


Commission E
-
163 beamline; attempt phase I



Commissioning

Plan








5/16/05



Gun
-
Only Studies Starting mid
-
July

-

Gate valve to x
-
band injector sections CLOSED/no x
-
band needed

-

Beam dumped at spectrometer dump or D/S Faraday cup/profile screen

-

Diagnostics are 2 PROF, 1 FARC, 1 SPECT

Week 1


RF process gun;


RF & da
rk current diagnosti
cs; phototube? Acoustic sensors

(
230C
)
?

Week 2


First
photocurrent






In parallel:


QE scan cathode (FC and toroid)




RF stabilization study


Beam
-
based alignment of laser, gun, and solenoid


RF feedback loop

>>decision point: QE ac
ceptable?

Try another bake? Try 10
-
3

mbar H
2

plasma cleaning? Try another cathode?

Week 3


Attempt both 50 pC narrow dp/p and 1 nC beam production


Set up match condition to x
-
band linac


Injector Studies Starting in August

-

Gate vale to x
-
band linac OPEN
, Sta 0 ON

-

Beam dumped primarily at NLCTA
mid
-
chicane

Week 4


Accelerate beam

to 60 MeV


First quad scans; complete BBA of solenoid and laser


Optimize match to injector linac


Beam bunching studies using BLM

Week 5


Match to chicane


Spectrometry and col
limation studies mid
-
chicane

Week 6


Finish chicane transport


Seek R
56
=0
and min(

x
) solutions


Study E
-
163 launch
-
point phase space

Week 7


Break
-
in to NLCTA beamline and install BNDS1140




Installation in E
-
163 hall



Novem
ber


Readiness review
; pre
-
s
tartup item resolution

Week
s 2
-
4


Commission extraction line, experiment final focus

Dec
ember


Attempt IFEL/ITR experiment to commission

E
-
163