Infl5

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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)