Infl13

From ATLAS Accelerator In-Flight Beam Program
Revision as of 20:26, November 18, 2019 by Crhoffman (talk | contribs) (Created page with "== General Info == * <sup>44</sup>Ti * [November 19] * <sup>44</sup>Ti<sup>21+</sup> @ ~2-3 MeV/u * [http://www.phy.anl.gov/elog/INFL001_19O/144 Location in in-flight ELOG] *...")
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General Info

Secondary Beam(s)

  • 44Ti21+
  • Energy: ~2-3 MeV/u [88-105 MeV]
  • Requested rate and purity:
    • 1x103 pps, >10 %
  • Achieved rate (pps/pnA):
    • (1650-2000 pps/pnA) [150 pnA 15N6+]
  • Purity:
    • 50% best, 10-20% typical

Tuning Info

Primary Beam (energy) [max pnA]

  • 15N6+ [13.5 MeV/u, MeV][150 pnA]
  • Target: D2 Gas Cell cooled to 90K [1400 mb]
=========16m,gN===========

16m,gN - 37 mm D2 gas target

Beam Label Energy [MeV] Brho [Tm] calc / TOF Scale Factor DE-E (50 / 1000 um) q-Fraction Target
15N7+ primary 202.5 1.13738 calc 16/186 MeV none
15N7+ degraded 192.4 1.1086 calc 0.975 17/176 MeV 99% D gass
16N7+ secondary 190 1.1366 calc 2.5% 18/172 MeV 99% D gass
15N6+ contam 150 1.1366 calc 21/128 MeV 1% D gas
  • Scale Factor:
    • [Oct 19] 16N7+ [190 MeV] from 15N7+ [192.4 MeV] scale factor = 1.1366/1.1086 = 1.025
  • Expected calculated rates for tuning (acceptable - ideal):
    • At EXIT Detector: > pps/pnA (midplane slits set to ~+-4 mm, ~3% momentum acceptance).
    • At HELIOS Cross Detector: > pps/pnA (assumes ~25% transmission, maybe on the high side...)
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