Activity
From 03/30/2020 to 04/28/2020
04/27/2020
- 08:51 PM EXP1904: Reference reaction Analyzing #395: Beam energy
parameters used for the reconstruction:
ToF time constant: 68.475 ns
ToF distance: 12320 mm
thickness of th...- 07:56 PM EXP1904: Reference reaction Developing #437: Missing mass of 9Li from 3He registered in coincidence with 8He
For the analysis, the parameters from the issue 458 were used.
Identification
Realization of the identification...
- 04:39 PM EXP1904: Reference reaction Analyzing #458: Fixation of parameters related to experimental setup
The initial parameters:
number
parameter
value
unit
1
beam energy
beam...
04/22/2020
- 12:40 AM EXP1904: Reference reaction Analyzing #459 (Открыта): Beam of 10Be
Analysis related to diagnostics of the 10Be beam will be arranged as subtasks of this issue.
- 12:05 AM EXP1904: Reference reaction Analyzing #458 (Открыта): Fixation of parameters related to experimental setup
Provide essential parameters related to experimental setup basing on results obtained in task 397 (and its subtasks)....
04/21/2020
- 10:33 PM EXP1904: Reference reaction Analyzing #414: Offsets of the 3He telescope
Offset of the detectors system along X axis, mm
9Li g.s. position
1 Tel [MeV]
9Li g.s. posit...- 08:38 PM EXP1904: Reference reaction Developing #416: BeamDet thickness
Vary the BeamDet thickness within a reasonable range and report the effect on position of the peak corresponding to p...
- 07:53 PM EXP1904: Reference reaction Analyzing #400: Z-position of the side telescopes
thin telescopes Z position, mm
9Li g.s. position
1 Tel [MeV]
9Li g.s. position
2 Tel [Me...- 06:03 PM EXP1904: Reference reaction Analyzing #397: Variation of the parameters
Summed spectrum from all 4 telescopes for thin target
Green lines - coincidence with 9Li
The position of th...
04/07/2020
- 07:59 AM EXP2003: Express analysis Analyzing #452: Beam projection
Under the condition that at least one wire was fired in each MWPC plane, we observed time distribution for individual...
04/05/2020
- 12:33 AM EXP2003: Express analysis Analyzing #454: ID plot for F6 detector
To construct an identification plot from the F6 detector, a non-calibrated amplitude in ADC channels from only one PM...
04/04/2020
- 01:43 AM EXP2003: Express analysis Analyzing #452: Beam projection
Target plane
We worked with the 8He beam particles only (selected by ToF system). We assumed the numbering of MWPC...
- 12:02 AM EXP2003: Express analysis Analyzing #457: Attempt for relative calibration of side telescope
We checked if the double dE-E line on ID plot reported in task 453 was not caused by issues related to calibration. W...
04/02/2020
- 04:36 PM EXP2003: Express analysis Analyzing #453: ID plot for side telescope
The first layer of side telescope was calibrated using parameters provided in task 445. The second layer was not cali...
- 10:54 AM EXP2003: Express analysis Analyzing #455: Estimation of the beam integral
For the beam integral calculation following selections were used:
8He selection by dE-ToF
center of the targe...
03/31/2020
- 02:44 AM EXP2003: Express analysis Analyzing #457 (Открыта): Attempt for relative calibration of side telescope
Side silicon telescope intended for registration of 3He was not fully calibrated before the beginning of the beam ses...
- 02:40 AM EXP2003: Express analysis Analyzing #456 (Открыта): Neutron detector data
Provide current data from the neutron detector.
In separate comments
describe the calibration of the detecto...
- 02:35 AM EXP2003: Express analysis Analyzing #455 (Открыта): Estimation of the beam integral
Estimate the 8He beam integral for a particular beamtime period.
Try to estimate the 8He beam integral under a re...
- 02:30 AM EXP2003: Express analysis Analyzing #454 (Открыта): ID plot for F6 detector
Provide the time-amplitude identification plot for a detector at F6. A group Z=1 should be separated from group Z>1. ...
- 02:25 AM EXP2003: Express analysis Analyzing #453 (Открыта): ID plot for side telescope
Provide a standard identification dE-E plot for side telescope.
Estimate the number of registered
3He;
6Li...- 02:22 AM EXP2003: Express analysis Analyzing #452 (Открыта): Beam projection
Provide a beam projection in
MWPC1 plane
MWPC2 plane
target plane- 12:35 AM EXP_10He Developing #451 (Открыта): Testing simulation based on 7H experiment
Take a working macros for simulation for EXP1904. It may be found in
expertroot/macro/EXP1904_H7/sim
branch
...- 12:23 AM EXP_10He Analyzing #450 (Открыта): Data analysis
Parent task for everything related to analysis of experimental data.
- 12:22 AM EXP_10He Developing #449 (Открыта): Simulations
Parent task for everything related to simulations of this experiment.
- 10:31 AM EXP2003 Developing #445: Pre-beam calibrations - side telescope
First of all the second layer 1-mm SSD was calibrated with the http://er.jinr.ru/git/komyour/calibration_one_spectrum...
- 08:50 AM EXP2003 Developing #445 (Открыта): Pre-beam calibrations - side telescope
Provide a description of calibration measurement related to side telescope which was performed before the beginning o...
- 09:02 AM EXP2003 Documenting #447 (Открыта): Scan of the logbook
Provide running version of the logbook in pdf format in "Files" of this project.
Periodicity from 2 to 3 days may ...
- 08:58 AM EXP2003 Documenting #446 (Открыта): General documentation of the experiment
In this thread, general issues related to the experiment will be treated. Such as
geometry,
data,
calibrati...
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