# Difference between revisions of "Infl16"

Jump to navigation
Jump to search

###### =========

(Created page with "== General Info == * <sup>16m,g</sup>N(d,<sup>3</sup>He) * [October 20] * <sup>16m,g</sup>N<sup>7+</sup> @ ~12 MeV/u * [http://www.phy.anl.gov/elog/INFL001_19O/144 Location in...") |
|||

Line 23: | Line 23: | ||

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>15</sup>N<sup>6+</sup> [13.5 MeV/u, MeV][150 pnA] | ||

+ | |||

+ | *Target: D<sub>2</sub> Gas Cell cooled to 90K [1400 mb] | ||

+ | |||

+ | ===============<sup>16m,g</sup>N================= | ||

+ | |||

+ | '''<sup>16m,g</sup>N - 37 mm D<sub>2</sub> gas target''' | ||

+ | {| class="wikitable" | ||

+ | |- | ||

+ | ! Beam !! Label !! Energy [MeV] !! Brho [Tm] !! calc / TOF !! Scale Factor !! DE-E (50 / 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>16</sup>N<sup>7+</sup> || secondary || 190 || 1.1366 || calc || 2.5% || 18/172 MeV || 99% || D gass | ||

+ | |- | ||

+ | | <sup>15</sup>N<sup>6+</sup> || contam || 150 || 1.1366 || calc || || 21/128 MeV || 1% || D gas | ||

+ | |- | ||

+ | |} | ||

+ | |||

+ | * 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''' | ||

+ | |||

+ | * 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 18:35, September 2, 2020

## General Info

^{16m,g}N(d,^{3}He)- [October 20]
^{16m,g}N^{7+}@ ~12 MeV/u- Location in in-flight ELOG
- @ HOMEPLATE and SHORTSTOP

## Secondary Beam(s)

^{16m,g}N^{7+}- Energy: ~12 MeV/u
- Requested rate and purity:
- 2x10
^{5}pps, >50 % - Isomer rate >5x10
^{4}pps

- 2x10

- Achieved rate (pps/pnA):
- (1650-2000 pps/pnA) [150 pnA
^{15}N^{6+}]

- (1650-2000 pps/pnA) [150 pnA

- Purity:
- 50% best, 10-20% typical

## Tuning Info

Primary Beam (energy) [max pnA]

^{15}N^{6+}[13.5 MeV/u, MeV][150 pnA]

- Target: D
_{2}Gas Cell cooled to 90K [1400 mb]

###### =========^{16m,g}N===========

^{16m,g}N - 37 mm D_{2} gas target

Beam | Label | Energy [MeV] | Brho [Tm] | calc / TOF | Scale Factor | DE-E (50 / 1000 um) | q-Fraction | Target |
---|---|---|---|---|---|---|---|---|

^{15}N^{7+} |
primary | 202.5 | 1.13738 | calc | 16/186 MeV | none | ||

^{15}N^{7+} |
degraded | 192.4 | 1.1086 | calc | 0.975 | 17/176 MeV | 99% | D gass |

^{16}N^{7+} |
secondary | 190 | 1.1366 | calc | 2.5% | 18/172 MeV | 99% | D gass |

^{15}N^{6+} |
contam | 150 | 1.1366 | calc | 21/128 MeV | 1% | D gas |

- Scale Factor:
- [Oct 19]
^{16}N^{7+}[190 MeV] from^{15}N^{7+}[192.4 MeV]**scale factor = 1.1366/1.1086 = 1.025**

- [Oct 19]

- 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...)

- At EXIT Detector: