modulated bba

4
Modulated BBA …the second 10 minutes… Jen Niedziela and Todd Satogata APEX Report

Upload: jacob-byers

Post on 30-Dec-2015

21 views

Category:

Documents


0 download

DESCRIPTION

Modulated BBA. …the second 10 minutes… Jen Niedziela and Todd Satogata APEX Report. May 2, 2007. Set up to modulate IR Q1’s, Q3’s 1/40 Hz modulation on quad 1/10 Hz modulation on bump Down sampled BPMs to get 40 seconds of TBT data Script for data-taking now functional - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: Modulated BBA

Modulated BBA

…the second 10 minutes…

Jen Niedziela and Todd SatogataAPEX Report

Page 2: Modulated BBA

May 2, 2007• Set up to modulate IR Q1’s, Q3’s

– 1/40 Hz modulation on quad – 1/10 Hz modulation on bump– Down sampled BPMs to get 40 seconds of TBT

data

• Script for data-taking now functional• Interrupted by QLI in blue

– Truncated time to ~20 minutes• Three data sets for bo6-qd1• Two data sets for bo6-qd3

• Analysis in progress• Request one more hour

Page 3: Modulated BBA

Sample Data – bo6-bh12

Quad Modulation frequency visible in BPM spectrum

~160 turns between nodes, point of minimal response visible

Page 4: Modulated BBA

BBQ response

bo6-qd3bo6-qd1(misfire)