The primary project goal is to provide 4 pass acceleration of 1 mA beam to 150 MeV, then decelerate in 4 passes and dump. The energies are defined as follows: ...
CBETA Supporting Documents and Presentations CBETA Publications and tech notes can be found elsewhere at the links below * Publicatons: https://www.classe.cor...
The buncher tunes like anything else, and its easiest to do it in Cav Loop if necessary, you can maximize field in Kly Loop. * Go to LLRF A boards and select...
* Locate the password for the erpxbpm### root account. If you don't know it, ask Kirsten, John Dobbins, Scott, or Adam. * ssh root@erpxbpm001; type yes if it a...
Main.JamesCrittenden 08 Jan 2020 I) Measure the crosstalk from magnet A and find the compensating magnet B A) Observe a BPM immediately upstream of magnet A ...
* Go to MLC electronics rack (near RF desk in L0E) * Power cycle TDK power supply for 2k heater (wait with the power off for some time before turning back on) ...
Main.JamesCrittenden 18 Jan 2020 Tuning at the beginning of the shift Open the strip tool files /home/erpopr/mlc/striptool_files/MLC_piezo_cntrl_vltg.stp and /h...
Main.AdamBartnik 07 Mar 2018 Startup Procedures 1. Begin Elog entry 1. Run "Start Timers" script. If filament is off, select Warmup On on Klystron Ready Ch...
Main.JamesCrittenden 14 Jan 2020 Example: restart IS2SCR01: Log in to either erp34 or erp36 as epicsioc. cd l0e/cam ./restartIS2SCR01 Then hit ctrl a d
Main.JamesCrittenden 19 Jan 2020 If the ICM buncher IOT has not been turned on, the buncher will not go to 35 kV and cav_loop. Go to EDM page RF Operations/Bunche...
Set ICM SLAC power supply to 0 kV, wait 20 minutes while it ramps down, then turn SCR off. Break interlocks Remove ropes / signs a) L0/L0E entrance ...
Main.JamesCrittenden 14 Jan 2020 1) Run the Access Area script on the main EDM screen. 2) Make the access. 3) Return all keys. 4) Turn on the gun. 5) Turn on the ...
Main.JamesCrittenden 11 Jan 2020 Go to rack L0E.R803 in SSA area. Take picture of status of amplifiers on south face of rack. Cycle power on power strip accessib...
Proposed Element Naming Convention for CBETA All element names will use 8 characters All characters will be upper case. Format: *TSSCCCNN*_signal_name where: T =...
CBETA Beam Commissioning Plan Overview * CBETA Commissioning Planning * Shift schedule (short term and big picture goals) Link to GoogleDoc * COMMISSI...
At the beginning of each shift, please start an elog on the webpage: https://www.classe.cornell.edu/elog/ERL L0/ Example ELOG Template CHECKLIST FOR OPERATIONS O...
Setting up a splitter (which I just tried to do, so my memory is fresh) goes like this: 1 Somehow manage to get the beam to the screen at the end. 1 ...
CBETA Pre Beam System Tests Pre Beam Commissioning Status Bunch Pattern Generator Beam Position Monitors Bunch Arrival Monitors Corrector FFA Power Supplies ...
CBETA System Tests Splitter Power Supply and Magnetic Field Checks * Responsible personnel: xxxxx * Date: February xx, 2019 Description of test Confirm t...
CBETA Splitters Splitter line magnet polarity convention For bipolar dipole magnets: * Horizontal: Positive current = beam to the outside of the ring * Ver...
CBETA Commissioning Planning The commissioning schedule has a portion for scientific plans and a portion for staffing. It can be found at https://docs.google.com/...
CBETA Equipment Protection System *Responsible personnel: Nalanjan Banerjee, Adam Bartnik, John Dobbins, Karl Smolenski, Rob Michnoff, and others*Date: February x...
CBETA FFAG Magnets and Girders Halbach Magnet Measurement and Tuning * Summary results of production run (Stephen Brooks): CBETA note 035 * Magnet measurem...
CBETA System Tests FFA Corrector Power Supplies and Magnetic Field Checks * Responsible personnel: xxxx * Date: February xx, 2019 Description of test Con...
CBETA Equipment Protection System Beam Mode 1 Gun Only *Responsible personnel: *Date: February xx, 2019 Beam Mode 1 Description This beam mode is for testing...
* Responsible personnel: Adam * Date: February xx, 2019 Description of test Check that each magnet responds and has the desired polarity. Test Procedure ...
* Responsible personnel: Adam * Date: February xx, 2019 Description of test Turn on EPICS IOC and get data from screen. Calibrate mm/pixel for each screen. ...
CBETA System Tests Bunch Arrival Monitors *Responsible personnel: Rob Michnoff, John Dobbins*Date: February xx, 2019 Description of test Confirm that all EPICS...
CBETA System Tests Bunch Pattern Generator *Responsible personnel: Rob Michnoff, John Dobbins*Date: February xx, 2019 Description of test Confirm that all EPIC...
CBETA System Tests BPMS *Responsible personnel: Rob Michnoff, Rob Hulsart*Date: February xx, 2019 Description of test Confirm that all EPICS IOC names communic...
CBETA Accelerator Physics How to Get Latest Lattice Three types of tables for the 1 pass and 4 pass ERLs have been provided by Scott Berg here: https://app.box...
* Vaclav Kostroun, Bruce Dunam, A Hard X ray to Gamma Ray Source using an ERL with Compton Backscattering (2014) * Carl Franck, Anticipated Performance of a CB...