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All Experimenters Meeting PIP Report. Fernanda G. Garcia on behalf of PIP team 07/01/2013. RFQ Injector Line ( RIL). RIL Highlights – Thin corrector . Thin corrector. Large exit angle

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all experimenters meeting pip report

All Experimenters MeetingPIP Report

Fernanda G. Garcia

on behalf of PIP team

07/01/2013

ril highlights thin corrector
RILHighlights – Thin corrector

Thin corrector

  • Large exit angle
    • Correctors are running with high current, predominant vertically, at the downstream end of RFQ in order to maximize beam transmission
        • Thanks to BNL for the design and FNAL/TD for building the correctors
        • Corrector installed early June
          • Modest gain in beam current
          • Increased extractor voltage by 1.5kV
      • Yielded 11% more beam at entrance of Linac

Contribution: C.Y. Tan

F.G. Garcia AEM - PIP Report 07/01/2013

ril highlights source swap
RILHighlights – Source Swap
  • FNAL/RIL design posses two sources located side-by-side on a slide platform to allow for easy and quick swap
    • First swap: June 17
      • Duration: ~ 7 hrs
    • Second swap: June 26
      • Duration: ~1hr

Contribution: D. Bollinger

F.G. Garcia AEM - PIP Report 07/01/2013

linac 200 mhz rf power system
Linac200 MHz RF Power System
  • Modulator Upgrade
    • 35kV, Marx-topology modulator to

drive triode (or MBK)

        • SLAC – Two cell test stand
          • Simulate the ripple due for 2 cells both in

phase (11%) and out of phase (0.9%)

        • Compare 2 cell out-of-phase simulated to

measured ripple (1.1%)

        • Determine via simulation the ripple for

5 vernier cells (0.23%)

F.G. Garcia AEM - PIP Report 07/01/2013

linac 200 mhz rf power system1
Linac200 MHz RF Power System
  • Modulator Upgrade (cont.)
    • 35kV, Marx-topology modulator to drive triode (or MBK)
        • AD/EE – Working on building 9 cell Marx Modulator
          • Able to create any arbitrary wave shape, from trapezoid to square
          • In the future: determine rising and falling edge ripple
        • Built prototype discrete control system
        • Testing second prototype Marx cell
          • under normal load conditions (350 Amps)
          • under short circuit (2000 Amps)
        • Continue fabrication of

9 cell Marx Modulator

F.G. Garcia AEM - PIP Report 07/01/2013

linac 200 mhz rf power system2
Linac200 MHz RF Power System
  • MBK201FERMI
    • 7MW pulsed klystron to operate at 200 MHz for use as a power source for the DTL Linac
      • Procurement
        • Received approval from directorate to proceed with the MBK201 prototype
        • New cost/schedule was developed between Fermi and seller
        • Current awaiting PO to be accepted
          • Estimate to be complete this week
      • Activities
        • Initiate gallery floor plan layout in collaboration with

AD/MSD Drafter Dept.

Courtesy: D. Hurd

F.G. Garcia AEM - PIP Report 07/01/2013

linac utilities
LinacUtilities
  • Power Distribution
    • L1 transformer
      • Continue with prep work for the installation of L1 transformer.
        • Electrical conduit relocation complete
        • Lead abatement & relocation steel beam complete

Hatch location

Tentative delivery date: Week July 15th.

F.G. Garcia AEM - PIP Report 07/01/2013

linac laser notcher
LinacLaser Notcher
  • Reduce losses in Booster generated by the creation of the notch
    • 3D printer model of the vacuum

interface and the optical cavity

    • Good progress with beam shaping optics

Design beam size 1 mm x 6 mm

Horizontal

Beam size as shown ~ ¾ mm x 5 mm

Vertical

F.G. Garcia AEM - PIP Report 07/01/2013

booster utilities
BoosterUtilities

Old Y-BE2

40+years old – beyond expected lifetime

Oil-cooled transformer

Questionable operation conditions for quite a while

May/2012 investigation revealed noisy current output, over temperature operation conditions…

Replaced with “old spare” ~ 1 year ago

New Y-BE2

Installed May 17-18, 2013

Air-cooled transformer

Remotely monitor & control

Breakers are modular (smaller spare inventory)

Improved monitoring (access to currents, voltages, harmonics )

F.G. Garcia AEM - PIP Report 07/01/2013

booster
Booster
  • Booster shielding assessment
    • Studies concerning beam loss profile and radiation measurement through penetrations were done
    • Discussions and data analysis underway
  • Booster Notcher
    • Progress with time in and commissioning

6

4.5

3

1.5

0

6

4.5

3

1.5

0

12T - $17

12T - $17

E12

E12

F.G. Garcia AEM - PIP Report 07/01/2013

booster rf system
BoosterRF system
  • Cavities Refurbishment
    • 7of 19 cavities have been refurbished BRF 1,3,5,6,7,8,15
        • BRF11 has issues with heating on the tuners
        • Need to be re-addressed for 15 Hz operations

Booster Cavity Work

Refurbished (15Hz)

SS Prototype

SS Upgraded

Cavity Removed

Stats:

Last refurbishment :9.4 weeks

<refurb.>last 3 cav. : 10.5 weeks

Courtesy: K. Gollwitzer

F.G. Garcia AEM - PIP Report 07/01/2013

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