Research Notes and Documents
5/24/18 -- Completed Wiki page and uploaded some files, Reading Ion Bombardment of Solids
5/25/18 -- Reading Ion Bombardment of Solids, completed sections 2.2-2.3
5/30/18 -- Reading Ion Bombardment of Solids, completed sections 2.4-2.6.2
6/1/18 -- Discussed ionization cross-sections, uploaded derivation of QE formula
6/7/18 -- Read articles on ionization cross sections and RGA, installed Ubuntu (finally!)
6/11/18 -- Uploaded analyzed RGA spectrum (After 2 days)
6/14/18 -- Uploaded Ionization Cross Sections
6/18/18 -- Updated Ionization Cross Sections to include section on ionization rates
6/22/18 -- Updated Ionization Cross Sections to include tables of calculated values for the ionization rates from normalized partial pressures
6/25/18 -- Uploaded Ion Production Rate vs Beam Energy
6/27/18 -- Uploaded Voltage vs. Distance Graphs
7/9/18 -- Uploaded List of References
7/13/18 -- Analyzed charge lifetime data taken at CEBAF
7/23/18 -- Learned GPT & C++, Calculating ion production rates, Solving problems
8/6/18 -- Still waiting on PC with GPT, continuing work in last log entry
8/8/18 -- Still waiting on PC with GPT, continuing work in last log entry
8/15/18 -- Finally have PC with GPT, continuing work in last log entry
8/22/18 -- Finally have PC with GPT, continuing work in last log entry
8/27/18 -- Uploaded log-log plot of IPR vs beam energy, continuing to read Alex Chao's Fast Ion Instability
9/6/18 -- Creating GPT simulation, writing up procedure/preliminary calculations for BPM measurement, using SCAM to introduce clearing gaps
9/14/18 -- Creating GPT simulation, writing up procedure/preliminary calculations for BPM measurement
10/1/18 -- Uploaded Magnetic Mirror derivation and BPM measurements/analysis. Creating GPT simulation of ion trap, optimizing anode and mag. solenoid.
10/9/18 -- Created series of GPT simulations of ion traps, measured beam pipe diameter, derived net force on ion
10/17/18 -- Continuing GPT simulations of ion traps...to no avail. Sooooooo….BPM measurements?
11/1/18 -- Beam measurements next week: Analyzing ionization emission (light) spectra, using a BPM to analyze ion frequencies (modulation), creating/playing with the "ghost" beam, etc.
11/11/18 -- Completed initial ghost beam testing. Will continue analysis this week using spectrometer to measure light due to ionization and a BPM to measure characteristic ion oscillation frequencies (modulations) within the electron beam.
12/4/18 -- Analyzing Ghost Beam Studies data, able to create electron/proton trap in GPT
1/9/19 -- Creating rigorous ionization theory of the ghost beam
1/18/19 -- Created documentation on how to use the JLab Farm, preliminary ideas for measuring ghost light between the anode and magnetizing solenoid for when the T-Gun is installed
2/18/19 -- Working on Oral Qualifier Paper/Presentation (on 2/27), narrowing in on thesis project, working on ionization simulation using GPT/IBSimu with Cristian and Ricardo
2/26/19 -- Oral Qualifier Presentation tomorrow, paper uploaded. Will work on Bas' ionization routine to simulate ion production for a real beam at GTS (not just a cylindrical beam).
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