Difference between revisions of "Infl5"

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*Requested rate: 5x10<sup>5</sup> pps [1x10<sup>5</sup> pps available]
 
*Requested rate: 5x10<sup>5</sup> pps [1x10<sup>5</sup> pps available]
 
*Achieved rate (pps/pnA):
 
*Achieved rate (pps/pnA):
**[Oct. 18] (~3000-5000 pps/pnA) [0.098 pnA <sup>29</sup>Si<sup>8+</sup>]
+
**[Oct. 18] ~3000-5000 pps/pnA [0.098 pnA <sup>29</sup>Si<sup>8+</sup>]
**[Feb. 19]
+
**[Feb. 19] ~2500 pps/pnA on target [40 pnA <sup>29</sup>Si<sup>8+</sup>]
 
*Purity:
 
*Purity:
 
**[Oct. 18] ~6% best
 
**[Oct. 18] ~6% best
 +
**[Feb. 19] ~60% average
 
* Scale Factor:  
 
* Scale Factor:  
**[Oct. 18] <sup>29</sup>Si<sup>14+</sup>-><sup>30</sup>P<sup>15+</sup> scale factor = 0.82849/0.87790 = 0.9437 ['''0.94''' found to be optimal]
+
**[Oct. 18, Feb 19] <sup>29</sup>Si<sup>14+</sup>-><sup>30</sup>P<sup>15+</sup> scale factor = 0.82849/0.87790 = 0.9437 ['''0.94''' found to be optim
  
 
== Primary Beam (energy) [max pnA] + Target (thickness) ==
 
== Primary Beam (energy) [max pnA] + Target (thickness) ==

Latest revision as of 21:39, April 24, 2019

Title

PI (group)

  • S. Pain (ORNL)

Run Dates

  • October 2018
  • Feb/March 2019

Secondary Beam

  • 30P15+
  • Energy: ~247.5 MeV, 0.82849 Tm [Oct. 18]
  • Requested rate: 5x105 pps [1x105 pps available]
  • Achieved rate (pps/pnA):
    • [Oct. 18] ~3000-5000 pps/pnA [0.098 pnA 29Si8+]
    • [Feb. 19] ~2500 pps/pnA on target [40 pnA 29Si8+]
  • Purity:
    • [Oct. 18] ~6% best
    • [Feb. 19] ~60% average
  • Scale Factor:
    • [Oct. 18, Feb 19] 29Si14+->30P15+ scale factor = 0.82849/0.87790 = 0.9437 [0.94 found to be optim

Primary Beam (energy) [max pnA] + Target (thickness)

  • [Oct. 18] 29Si8+ (280 MeV from TOF)[~1 pnA] + D2 Gas w/ 1.9 mg/cm2 HAVAR windows (3.7 cm, 1400 mbarr, T=290K)
  • [Feb/Mar. 19] 29Si7+ (280 MeV from TOF)[XXX pnA] + D2 Gas w/ 1.9 mg/cm2 HAVAR windows (3.7 cm, 1400 mbarr, T~100K)

Degraded Beam (energy) + Target

  • [Oct. 18] 29Si14+ [250.4(2) MeV from TOF] + D2 Gas w/ 1.9 mg/cm2 HAVAR windows (3.7 cm, 1400 mbarr, T=290K)
  • [Feb/Mar. 19] 29Si14+ [226,245 MeV from TOF] + D2 Gas w/ 1.9 mg/cm2 HAVAR windows (3.7 cm, 1400 mbarr, T~100,200K)