New exp template: Difference between revisions

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== Title ==
== General Info ==
* Title
* Exp to HELIOS
* [http://www.phy.anl.gov/elog/INFL001_19O/0 Location in in-flight ELOG]
* [June 19]
* <sup>31</sup>Si
* [http://www.phy.anl.gov/elog/INFL001_19O/144 Location in in-flight ELOG]
* @ SHORTSTOP


== PI (group) ==
== Secondary Beam ==
*
*'''<sup>31</sup>Si<sup>14+</sup>'''
*Energy: ~10.6 MeV/u
*Requested rate and purity: 5x10<sup>4</sup> pps, >10 %
*Achieved rate (pps/pnA):
**[June 19] Target (5m pps/pnA) [20 pnA <sup>30</sup>Si<sup>14+</sup>]
**[June 19] Cross (13k pps / pnA)
**[June 19] Exit (>25k pps / pnA)
*Purity:
**[June 19] 50% best (.001% - 50% range)


== Run Dates ==
==Tuning Info==
*
 
Primary Beam (energy) [max pnA]
* <sup>30</sup>Si<sup>14+</sup> [11.5 MeV/u, 345 MeV][~20 pnA]
* Will have 7+ from the source and 14+ after stripping to remove 40Ar contamination at original 9+ charge state
 
*Target: D2 Gas w/ 1.9 mg/cm<sup>2</sup> HAVAR windows (3.7 cm, 1400 mbarr, T=90K) [<sup>31</sup>Si<sup>14+</sup>]
 
===========<sup>31</sup>Si=================
 
'''<sup>31</sup>Si - D<sub>2</sub> gas target'''
{| class="wikitable"
|-
! Beam !! Label !! Energy [MeV]  !! Brho [Tm]  !! calc / TOF  !! Scale Factor !! DE-E (50 / 1000 um) !! DE-E (150 / 1000) || Target
|-
| <sup>30</sup>Si<sup>14+</sup> || primary || 345 || XXX ||tof || ||71 / 273 MeV || 273 / 71 MeV || none
|-
| <sup>30</sup>Si<sup>14+</sup> || degraded || 298 || XXX ||tof || || 79 / 222 MeV || 301.2 / ~0 MeV || D2 Gas
|-
| <sup>31</sup>Si<sup>14+</sup> || secondary || XXX || XXX ||calc || 1.6% || 81 / 219 MeV || 301.3 / ~0 MeV|| D2 Gas
|-
| <sup>30</sup>Si<sup>13+</sup> || contam || XXX || XXX || calc || || 87 / 181 MeV || 267.7 / 0 MeV || D2 Gas
|-
|}


== Secondary Beam  ==
*'''<sup>A</sup>Z<sup>q+</sup>'''
*Energy: XXX MeV, XXX Tm
*Requested rate: Xx10<sup>X</sup> pps
*Achieved rate (pps/pnA):
**[Date 19] (XXX pps/pnA) [XXX pnA <sup>XX</sup>XX<sup>XX</sup>]
*Purity:
**[Date 19] XXX% best
* Scale Factor:  
* Scale Factor:  
**[Date 19] <sup>A</sup>Z<sup>q+</sup>-><sup>A</sup>Z<sup>q+</sup> scale factor = XXX/XXX = XXX
**[June 19] <sup>31</sup>Si<sup>14+</sup> [301.3 MeV] from <sup>31</sup>Si<sup>14+</sup> [301.2 MeV] '''scale factor = 0.9944/0.9791 = 1.0156'''
 
== Primary Beam (energy) [max pnA] + Target (thickness) ==
* [Date 19] <sup>A</sup>Z<sup>q+</sup> (XXX MeV from TOF)[~1 pnA] + D2 Gas w/ 1.9 mg/cm<sup>2</sup> HAVAR windows (3.7 cm, 1400 mbarr, T=290K)


== Degraded Beam (energy) + Target ==
* Expected calculated rates for tuning ('''acceptable - ideal'''):
* [Date 19] <sup>A</sup>Z<sup>q+</sup> [XXX MeV from TOF] + D2 Gas w/ 1.9 mg/cm<sup>2</sup> HAVAR windows (3.7 cm, 1400 mbarr, T=290K)
**At EXIT Detector: '''>5000-10000 pps/pnA''' (midplane slits set to ~+-4 mm, ~3% momentum acceptance).
**At HELIOS Cross Detector: '''>1000-2000 pps/pnA''' (assumes ~20% transmission, maybe on the high side...)

Latest revision as of 18:43, June 28, 2019

General Info

Secondary Beam

  • 31Si14+
  • Energy: ~10.6 MeV/u
  • Requested rate and purity: 5x104 pps, >10 %
  • Achieved rate (pps/pnA):
    • [June 19] Target (5m pps/pnA) [20 pnA 30Si14+]
    • [June 19] Cross (13k pps / pnA)
    • [June 19] Exit (>25k pps / pnA)
  • Purity:
    • [June 19] 50% best (.001% - 50% range)

Tuning Info

Primary Beam (energy) [max pnA]

  • 30Si14+ [11.5 MeV/u, 345 MeV][~20 pnA]
  • Will have 7+ from the source and 14+ after stripping to remove 40Ar contamination at original 9+ charge state
  • Target: D2 Gas w/ 1.9 mg/cm2 HAVAR windows (3.7 cm, 1400 mbarr, T=90K) [31Si14+]
=====31Si===========

31Si - D2 gas target

Beam Label Energy [MeV] Brho [Tm] calc / TOF Scale Factor DE-E (50 / 1000 um) DE-E (150 / 1000) Target
30Si14+ primary 345 XXX tof 71 / 273 MeV 273 / 71 MeV none
30Si14+ degraded 298 XXX tof 79 / 222 MeV 301.2 / ~0 MeV D2 Gas
31Si14+ secondary XXX XXX calc 1.6% 81 / 219 MeV 301.3 / ~0 MeV D2 Gas
30Si13+ contam XXX XXX calc 87 / 181 MeV 267.7 / 0 MeV D2 Gas
  • Scale Factor:
    • [June 19] 31Si14+ [301.3 MeV] from 31Si14+ [301.2 MeV] scale factor = 0.9944/0.9791 = 1.0156
  • Expected calculated rates for tuning (acceptable - ideal):
    • At EXIT Detector: >5000-10000 pps/pnA (midplane slits set to ~+-4 mm, ~3% momentum acceptance).
    • At HELIOS Cross Detector: >1000-2000 pps/pnA (assumes ~20% transmission, maybe on the high side...)
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