Difference between revisions of "Infl13"

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(Created page with "== General Info == * <sup>44</sup>Ti * [November 19] * <sup>44</sup>Ti<sup>21+</sup> @ ~2-3 MeV/u * [http://www.phy.anl.gov/elog/INFL001_19O/144 Location in in-flight ELOG] *...")
 
 
(5 intermediate revisions by the same user not shown)
Line 13: Line 13:
  
 
*Achieved rate (pps/pnA):
 
*Achieved rate (pps/pnA):
**(1650-2000 pps/pnA) [150 pnA <sup>15</sup>N<sup>6+</sup>]
 
  
 
*Purity:
 
*Purity:
**50% best, 10-20% typical
 
  
 
==Tuning Info==
 
==Tuning Info==
  
 
Primary Beam (energy) [max pnA]
 
Primary Beam (energy) [max pnA]
* <sup>15</sup>N<sup>6+</sup> [13.5 MeV/u,  MeV][150 pnA]
+
* <sup>42</sup>Ca<sup>6+</sup>
 +
*Target: <sup>3</sup>He<sub>2</sub> Gas Cell cooled to 90K [1400 mb]
  
*Target: D<sub>2</sub> Gas Cell cooled to 90K [1400 mb]
+
===============<sup>44</sup>Ti [6 or 7 MeV/u] =================
  
===============<sup>16m,g</sup>N=================
+
'''<sup>44</sup>Ti - 37 mm <sup>3</sup>He<sub>2</sub> gas target'''
 +
{| class="wikitable"
 +
|-
 +
! Beam !! Label !! Energy [MeV]  !! Brho [Tm]  !! calc / TOF  !! Scale Factor !! DE-E (15 / 1000 um) !! q-Fraction || Target
 +
|-
 +
| <sup>42</sup>Ca<sup>XX+</sup> || primary || 252  ||  || calc || ||  ||  || none
 +
|-
 +
| <sup>42</sup>Ca<sup>20+</sup> || degraded || 123 [121-125] || 0.51749 || calc ||  || 70/14 MeV || 0.1,1.5,9.2,26,35,21,6.0,0.8 || 3He gass
 +
|-
 +
| <sup>44</sup>Ti<sup>21+</sup> || secondary || 95 [88-103] || 0.44325 || calc || 0.86 ||  76/12 MeV || 0.0,0.3,2.4,12,27,33|| 3He gas
 +
|-
 +
|}
  
'''<sup>16m,g</sup>N - 37 mm D<sub>2</sub> gas target'''
+
'''<sup>44</sup>Ti - 37 mm <sup>3</sup>He<sub>2</sub> gas target'''
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
! Beam !! Label !! Energy [MeV]  !! Brho [Tm]  !! calc / TOF  !! Scale Factor !! DE-E (50 / 1000 um) !! q-Fraction || Target
+
! Beam !! Label !! Energy(after window) [MeV]  !! Brho [Tm]  !! calc / TOF  !! Scale Factor !! DE-E (15 / 1000 um) !! q-Fraction || Target
|-
 
| <sup>15</sup>N<sup>7+</sup> || primary || 202.5  || 1.13738 || calc || || 16/186 MeV ||  || none
 
 
|-
 
|-
| <sup>15</sup>N<sup>7+</sup> || degraded || 192.4 || 1.1086 || calc || 0.975 ||  17/176  MeV || 99% || D gass
+
| <sup>42</sup>Ca<sup>XX+</sup> || primary || 294(271.3) || 0.7688 (q=20+) || calc || ||  ||   || none
 
|-
 
|-
| <sup>16</sup>N<sup>7+</sup> || secondary || 190 || 1.1366 || calc || 2.5% || 18/172 MeV || 99%  || D gass
+
| <sup>42</sup>Ca<sup>20+</sup> || degraded || 178 || 0.62275 || calc || || 66/112 MeV || 1, 9, 28, 37 || 3He gas
 
|-
 
|-
| <sup>15</sup>N<sup>6+</sup> || contam || 150 || 1.1366 || calc || || 21/128 MeV || 1% || D gas
+
| <sup>44</sup>Ti<sup>21+</sup> || secondary || 140 [125-155] || 0.53823 || calc || 0.86 || 77/63 MeV || 0.2, 2.5, 12, 30 || 3He gas
 
|-
 
|-
 
|}
 
|}
  
 
* Scale Factor:  
 
* Scale Factor:  
**[Oct 19] <sup>16</sup>N<sup>7+</sup> [190 MeV] from <sup>15</sup>N<sup>7+</sup> [192.4 MeV] '''scale factor = 1.1366/1.1086 = 1.025'''
+
**[Nov 19] 0.86
 
 
* Expected calculated rates for tuning ('''acceptable - ideal'''):
 
**At EXIT Detector: '''> pps/pnA''' (midplane slits set to ~+-4 mm, ~3% momentum acceptance).
 
**At HELIOS Cross Detector: '''> pps/pnA''' (assumes ~25% transmission, maybe on the high side...)
 

Latest revision as of 03:14, December 2, 2020

General Info

Secondary Beam(s)

  • 44Ti21+
  • Energy: ~2-3 MeV/u [88-105 MeV]
  • Requested rate and purity:
    • 1x103 pps, >10 %
  • Achieved rate (pps/pnA):
  • Purity:

Tuning Info

Primary Beam (energy) [max pnA]

  • 42Ca6+
  • Target: 3He2 Gas Cell cooled to 90K [1400 mb]
=========44Ti [6 or 7 MeV/u] ===========

44Ti - 37 mm 3He2 gas target

Beam Label Energy [MeV] Brho [Tm] calc / TOF Scale Factor DE-E (15 / 1000 um) q-Fraction Target
42CaXX+ primary 252 calc none
42Ca20+ degraded 123 [121-125] 0.51749 calc 70/14 MeV 0.1,1.5,9.2,26,35,21,6.0,0.8 3He gass
44Ti21+ secondary 95 [88-103] 0.44325 calc 0.86 76/12 MeV 0.0,0.3,2.4,12,27,33 3He gas

44Ti - 37 mm 3He2 gas target

Beam Label Energy(after window) [MeV] Brho [Tm] calc / TOF Scale Factor DE-E (15 / 1000 um) q-Fraction Target
42CaXX+ primary 294(271.3) 0.7688 (q=20+) calc none
42Ca20+ degraded 178 0.62275 calc 66/112 MeV 1, 9, 28, 37 3He gas
44Ti21+ secondary 140 [125-155] 0.53823 calc 0.86 77/63 MeV 0.2, 2.5, 12, 30 3He gas
  • Scale Factor:
    • [Nov 19] 0.86