Infl10: Difference between revisions

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(Created page with "== General Info == * Devel for SPS * [July 19] * <sup>22</sup>Mg<sup> XXX+ </sup> * [http://www.phy.anl.gov/elog/INFL001_19O/144 Location in in-flight ELOG] * @ HOMEPLATE / FI...")
 
 
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* Devel for SPS
* Devel for SPS
* [July 19]
* [July 19]
* <sup>22</sup>Mg<sup> XXX+ </sup>
* <sup>22</sup>Mg<sup>12+ </sup>
* [http://www.phy.anl.gov/elog/INFL001_19O/144 Location in in-flight ELOG]
* [http://www.phy.anl.gov/elog/INFL001_19O/144 Location in in-flight ELOG]
* @ HOMEPLATE / FIRSTBASE
* @ HOMEPLATE & FIRSTBASE
 
''22Mg beam with an energy of about 51 MeV and deliver it to the Split-Pole Spectrograph beam line with a minimum intensity of 1×10<sup>3</sup> <sup>22</sup>Mg/s and purity of 20% or more.''


== Secondary Beam ==
== Secondary Beam ==
*'''<sup>22</sup>Mg<sup>XXX+</sup>'''
*'''<sup>22</sup>Mg<sup>12+</sup>'''
*Energy: XXX MeV/u
*Energy: ~54 MeV (from fusion evap of (<sup>3</sup>He,n)
*Requested rate and purity: Xx10<sup>X</sup> pps, >XX %
*Requested rate and purity: 1x10<sup>3</sup> pps, >10 %
*Achieved rate (pps/pnA):
*Achieved rate (pps/pnA):
**[July 19]
**[July 19]
Line 23: Line 25:


Target:  
Target:  
* <sup>3</sup>He Gas w/ 1.9 mg/cm<sup>2</sup> HAVAR windows (3.7 cm, 1400 mbarr, T=90K)  
* <sup>3</sup>He Gas w/ 1.9 mg/cm<sup>2</sup> HAVAR windows (3.7 cm, 1400 mbarr, T=290K)  
* 0.1 mg/cm<sup>2</sup> C reset foil


===========<sup>22</sup>Mg=================
===========<sup>22</sup>Mg<sup>12+</sup>=================


{| class="wikitable"
{| class="wikitable"
|-
|-
! Beam !! Label !! Energy [MeV]  !! Brho [Tm]  !! calc / TOF  !! Scale Factor !! DE-E (50 / 1000 um) !! DE-E (150 / 1000) || Target
! Beam !! Label !! Energy [MeV]  !! Brho [Tm]  !! calc / TOF  !! Scale Factor !! q-State Fraction !! DE-E (15 / 1000) || Target
|-
|-
| <sup>30</sup>Si<sup>14+</sup> || primary || 345 || XXX ||tof || ||71 / 273 MeV || 273 / 71 MeV || none
| <sup>20</sup>Ne<sup>XXX+</sup> || primary || 100 || XXX ||tof || || || || none
|-
|-
| <sup>30</sup>Si<sup>14+</sup> || degraded || 298 || XXX ||tof || || 79 / 222 MeV || 301.2 / ~0 MeV || D2 Gas
| <sup>20</sup>Ne<sup>10+</sup> || degraded || 73 (75.7) || 0.55048 || tof (calc) || || 44% || || 3He gas no cooling
|-
|-
| <sup>31</sup>Si<sup>14+</sup> || secondary || XXX || XXX ||calc || 1.6% || 81 / 219 MeV || 301.3 / ~0 MeV|| D2 Gas
| <sup>22</sup>Mg<sup>12+</sup> || secondary || 52 || 0.4060 ||calc || 0.7375 || 14.4 %|| || 3He gas no cooling
|-
| <sup>30</sup>Si<sup>13+</sup> || contam || XXX || XXX || calc || || 87 / 181 MeV || 267.7 / 0 MeV || D2 Gas
|-
|-
|}
|}


* Scale Factor:  
* Scale Factor:  
**[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'''
**[June 19] Assuming FusionEvap
 
**<sup>22</sup>Mg<sup>12+</sup> [53.6 MeV] from <sup>20</sup>Ne<sup>10+</sup> [75.7 MeV] '''scale factor = 0.4060/0.55048 = 0.7375'''
* 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...)

Latest revision as of 14:56, July 6, 2019

General Info

22Mg beam with an energy of about 51 MeV and deliver it to the Split-Pole Spectrograph beam line with a minimum intensity of 1×103 22Mg/s and purity of 20% or more.

Secondary Beam

  • 22Mg12+
  • Energy: ~54 MeV (from fusion evap of (3He,n)
  • Requested rate and purity: 1x103 pps, >10 %
  • Achieved rate (pps/pnA):
    • [July 19]
      • XXX
  • Purity:
    • [June 19]
      • XXX

Tuning Info

Primary Beam (energy) [max pnA]:

  • 20NeXXX+ [5 MeV/u, 100 MeV][10 pnA]

Target:

  • 3He Gas w/ 1.9 mg/cm2 HAVAR windows (3.7 cm, 1400 mbarr, T=290K)
  • 0.1 mg/cm2 C reset foil
=====22Mg12+===========
Beam Label Energy [MeV] Brho [Tm] calc / TOF Scale Factor q-State Fraction DE-E (15 / 1000) Target
20NeXXX+ primary 100 XXX tof none
20Ne10+ degraded 73 (75.7) 0.55048 tof (calc) 44% 3He gas no cooling
22Mg12+ secondary 52 0.4060 calc 0.7375 14.4 % 3He gas no cooling
  • Scale Factor:
    • [June 19] Assuming FusionEvap
    • 22Mg12+ [53.6 MeV] from 20Ne10+ [75.7 MeV] scale factor = 0.4060/0.55048 = 0.7375
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