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nuclear two-photon decay, Page 12 of 12
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ID
Date
Author
Category
Subject
Text
12
Thu May 6 16:45:42 2021
Ragan, Rui-Jiu
DAQ
Data taking with NTCAP
NTCAP is on and data taking has started.
On time: 16:39
11
Thu May 6 14:30:23 2021
W. Korten
General
Target thickness
Thickness of the Carbon target in the TE line
has been measured by centering the primary
78Kr beam in the ESR:
10
Thu May 6 14:28:32 2021
Helmut Weick
Calibration
Be target thickness calibration -> 1839 mg/cm^2
Injection was optimized before with Cu-40
mg/cm^2 stripper.
This reduces energy of 78Kr from 370 MeV/u
9
Thu May 6 13:26:56 2021
Helmut Weick
Detectors
TE5 profile grids do not work
There are several issues.
1. The stepper motor drive does not react
8
Thu May 6 00:32:57 2021
Helmut Weick
Simulations
GICOSY file for TE beamline and ESR
This file has several options:
start in SIS, at TE3UF target or inside ESR,
choose with GOTO LABEL (G L)after start system
6
Tue May 4 21:49:04 2021
Helmut Weick
Simulations
cut Brho by scrapers
The dispersion from the production target
into the ESR is not matched.
This is not good for momentum acceptance,
5
Tue May 4 18:25:31 2021
Helmut Weick
Simulations
cutting of primary beam
The slits at TE4 and TE5 can be used to cut
away the unwanted 78Kr beam (see pictures).
We do not want activation of the beamline.
4
Tue May 4 17:54:08 2021
Helmut Weick
Simulations
updated LISE file
This file really has the optics like used
in the last ESR experiments.
Now the transmission is also a little bit
3
Tue May 4 13:26:40 2021
Yuri
Simulations
Expected spectrum 72Ge
A Z M/q Int difference
in kHz@245MHz
68 30 2.263614752 35 -933.1
2
Wed Apr 28 09:36:39 2021
Helmut Weick
Simulations
LISE file for fragments from TE3UF into ESR
Uncooled beam on target at TE3UF with dispersion
and slit in TE beamlne and realistic injection
into ESR.
1
Fri Apr 23 13:47:55 2021
Jan Glorius
Collaboration
experiment proposal
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