Infl12: Difference between revisions

From ATLAS Accelerator In-Flight Beam Program
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! Beam !! Label !! Energy [MeV]  !! Brho [Tm]  !! calc / TOF  !! Scale Factor !! DE-E (50 / 1000 um) !! q-Fraction || Target
! Beam !! Label !! Energy [MeV]  !! Brho [Tm]  !! calc / TOF  !! Scale Factor !! DE-E (50 / 1000 um) !! q-Fraction || Target
|-
|-
| <sup>15</sup>N<sup>7+</sup> || primary || 202.5  || XXX || calc || || XXX/XXX MeV ||  || none
| <sup>15</sup>N<sup>7+</sup> || primary || 202.5  || 1.13738 || calc || || 16/186 MeV ||  || none
|-
|-
| <sup>15</sup>N<sup>7+</sup> || degraded || XXX || XXX || calc ||  ||  76 / 244 MeV || 99% || D gass
| <sup>15</sup>N<sup>7+</sup> || degraded || 192.4 || 1.1086 || calc ||  0.975 ||  17/176  MeV || 99% || D gass
|-
|-
| <sup>16</sup>N<sup>7+</sup> || secondary || 190 || 1.1366 || calc || % ||  18/172 MeV || 99%  || D gass
| <sup>16</sup>N<sup>7+</sup> || secondary || 190 || 1.1366 || calc || 2.5% ||  18/172 MeV || 99%  || D gass
|-
|-
| <sup>15</sup>N<sup>6+</sup> || contam || XXX || XXX || calc || % ||   MeV || 1% || D gas
| <sup>15</sup>N<sup>6+</sup> || contam || 150 || 1.1366 || calc || || 21/128 MeV || 1% || D gas
|-
|-
|}
|}


* Scale Factor:  
* Scale Factor:  
**[June 19] <sup>29</sup>Al<sup>13+</sup> [307.4 MeV] from <sup>30</sup>Si<sup>14+</sup> [319.8 MeV] '''scale factor = 1.04767/1.009 = 1.038'''
**[Oct 19] <sup>16</sup>N<sup>7+</sup> [190 MeV] from <sup>15</sup>N<sup>7+</sup> [192.4 MeV] '''scale factor = 1.1366/1.1086 = 1.025'''


* Expected calculated rates for tuning ('''acceptable - ideal'''):
* Expected calculated rates for tuning ('''acceptable - ideal'''):
**At EXIT Detector: '''>250-1000 pps/pnA''' (midplane slits set to ~+-4 mm, ~3% momentum acceptance).
**At EXIT Detector: '''> pps/pnA''' (midplane slits set to ~+-4 mm, ~3% momentum acceptance).
**At HELIOS Cross Detector: '''>70-250 pps/pnA''' (assumes ~25% transmission, maybe on the high side...)
**At HELIOS Cross Detector: '''> pps/pnA''' (assumes ~25% transmission, maybe on the high side...)

Revision as of 20:27, October 15, 2019

General Info

Secondary Beam(s)

  • 16m,gN7+
  • Energy: ~12 MeV/u
  • Requested rate and purity:
    • 2x105 pps, >50 %
  • Achieved rate (pps/pnA):
    • (XXX pps/pnA) [XXX pnA XXXXXX]
  • Purity:
    • XXX% best, XXX% typical

Tuning Info

Primary Beam (energy) [max pnA]

  • 15N?? [13.5 MeV/u, MeV][200 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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