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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


All experimenters meeting pip report

RFQ Injector Line (RIL)


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


All experimenters meeting pip report

PIP – Linac Activities


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


All experimenters meeting pip report

PIP – Booster Activities


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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