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Step 1 Analysis: The Story So Far

Step 1 Analysis: The Story So Far. V. Blackmore. Summary. Previously: Oddities in the x-distribution at TOF0 (lumps and bumps)  Problem fixed. Was also something odd happening w.r.t. dispersion in the horizontal and vertical planes  Problem persists (?)

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Step 1 Analysis: The Story So Far

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  1. Step 1 Analysis:The Story So Far V. Blackmore

  2. Summary • Previously: • Oddities in the x-distribution at TOF0 (lumps and bumps)  Problem fixed. • Was also something odd happening w.r.t. dispersion in the horizontal and vertical planes  Problem persists (?) • What do we mean by ‘dispersion’?  Also looked at the relationship between x at TOF0 and x at TOF1. Again, ‘the plot thickens.’ • Very little interference in these plots from reconstruction technique. Just the positions as measured by the TOFs!

  3. (6, 200) m- Simulation Reconstructed Simulation Data

  4. (6, 200) m+ Simulation Reconstructed Simulation Data

  5. (6, 200) m+ (6, 200) m- Simulation Reconstructed Simulation Data Slopes: + and - data - simulation + simulation

  6. The Bigger Picture • Links in table go to pdf’s with much more detail (NB: same legend applies to all of these pdf’s). • Contents: • Page 1: Trace space plots in the horizontal (top row) and vertical (bottom row) plane at TOF0. • Page 2: Trace space plots in the horizontal and vertical plane at at TOF1. • Page 3: (x, y) plots at TOF0 (top row) and TOF1 (bottom row) • Page 4: Normalised x and y distributions at TOF0 (top) and TOF1 (bottom). • Page 5: Normalised x’ and y’ distributions at TOF0 (top) and TOF1 (bottom). • Page 6: Normalised Pz distribution at TOF1. • Page 7: Dispersion in the horizontal and vertical plane at TOF0 (top) and TOF1 (bottom) • Page 8: Mean horizontal (vertical) position at TOF1, with respect to horizontal (vertical) position at TOF0. • Page 9: Mean positions and angles w.r.t. x at TOF0 and TOF1 (top), and w.r.t. y at TOF0 and TOF1 (bottom) • Page 10: (r, Pf) at TOF1 (top) and mean Pf w.r.t. r at TOF1 (bottom).

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