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*Achieved rate (pps/pnA): | *Achieved rate (pps/pnA): | ||
**( | ** [cross] (141 pps/pnA) [120 pnA <sup>30</sup>Si<sup>14+</sup>] | ||
** [target] (75 pps/pnA) [120 pnA <sup>30</sup>Si<sup>14+</sup>] | |||
*Purity: | *Purity: | ||
** | **4% best, 4% typical | ||
==Tuning Info== | ==Tuning Info== | ||
Latest revision as of 01:35, October 23, 2020
General Info
- 29Al(d,p)
- [July 19]
- 29Al13+
- Location in in-flight ELOG
- @ HOMEPLATE and SHORTSTOP
Secondary Beam(s)
- 29Al13+
- Energy: ~10 MeV/u
- Requested rate and purity:
- 1x104 pps, >10 %
- Achieved rate (pps/pnA):
- [cross] (141 pps/pnA) [120 pnA 30Si14+]
- [target] (75 pps/pnA) [120 pnA 30Si14+]
- Purity:
- 4% best, 4% typical
Tuning Info
Primary Beam (energy) [max pnA]
- 30Si7+,14+ [11.5 MeV/u, 345 MeV][120 pnA]
- Target: 4 mg/cm2 Be (29Al13+)
=========29Al===========
29Al - 4 mg/cm2 Be target
| Beam | Label | Energy [MeV] | Brho [Tm] | calc / TOF | Scale Factor | DE-E (50 / 1000 um) | q-Fraction | Target |
|---|---|---|---|---|---|---|---|---|
| 30Si7+,14+ | primary | 345 | XXX | calc | 71 / 273 MeV | none | ||
| 30Si14+ | degraded | 319.8 | 1.009 | tof | 76 / 244 MeV | 4 mg/cm2 Be | ||
| 29Al13+ | secondary | 307.4 | 1.04767 | calc | 3.8% | 66 / 241 MeV | 4 mg/cm2 Be | |
| 30Si13+ | contam | 297 | 1.04767 | calc | 80 / 217 MeV | 4 mg/cm2 Be |
- Scale Factor:
- [June 19] 29Al13+ [307.4 MeV] from 30Si14+ [319.8 MeV] scale factor = 1.04767/1.009 = 1.038
- Expected calculated rates for tuning (acceptable - ideal):
- At EXIT Detector: >250-1000 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...)