2010.02.22 - Tune Scan Analysis

Note the large scales on these plots. These scales are much larger than those from the previous update.

Tune scan of cta_2085mev_20090516_2fam.lat from 1/2- to 2/3-integer resonances: 2fam_inputs.py

Same lattice, but turning off all RF's and putting a zero-length RF element at L0: 2fam_L0RF_inputs.py

In both scenarios above, turning off sextupoles yields an unstable lattice at all tunes.

Introduce Vertical Emittance

Now introduce 25pm vertical emittance through coupling. Turn on skew quads using ~shanksj/CesrTA/lat/sq_25pm.bmad and re-run standard (non-2fam) 20090516: 25pm_inputs.py

Now re-run standard 2fam lattice with 25pm vert. emittance: 2fam_25pm_inputs.py

Vary Turns Tracking

Now take the 'standard' (non-2fam, normal RF, etc) 20090516 lattice, and vary the number of turns tracked. Try 1k, 2k, 5k, 10k, 20k turns (in that order). turns_inputs.py



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