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ID |
Date |
Author |
Subject |
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5
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Tue Oct 13 21:04:49 2015 |
Claudia Lederer | Photos of Test Setup 5-10 October 2015 |
some photos in high resolution of the test setup 5-10 October 2015 |
| Attachment 1: DSC00042.JPG
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| Attachment 2: DSC00048.JPG
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| Attachment 3: DSC00056.JPG
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| Attachment 4: DSC00065.JPG
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47
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Thu Aug 10 09:55:50 2023 |
CLW | Photos of Chamber, Al26 Run Aug23 |
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| Attachment 1: 20230809_120302.jpg
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| Attachment 2: 20230809_120309.jpg
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| Attachment 3: 20230809_153802.jpg
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| Attachment 4: 20230809_153809.jpg
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| Attachment 5: 20230809_153821.jpg
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| Attachment 6: Beamline_Chamber_Spacing.JPG
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| Attachment 7: Assembled_Setup_Back.JPG
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| Attachment 8: Assembled_Setup_Back_Zoom.JPG
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| Attachment 9: Final_Assembly_Front.JPG
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| Attachment 10: Mounting_Bolts.JPG
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| Attachment 11: Mounting_Clamps.JPG
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| Attachment 12: EAR2_Pillars_Mount_Side.JPG
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| Attachment 13: EAR2_Pillars_Mount_Front.JPG
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48
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Thu Aug 10 10:04:13 2023 |
CLW | Photos inside chamber Al26 run Aug2023 |
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| Attachment 1: 20230809_174847.jpg
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| Attachment 2: 20230809_174905.jpg
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| Attachment 3: 20230809_174943.jpg
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| Attachment 4: Empty_Frame_Inside_Front.JPG
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| Attachment 5: Empty_Frame_Inside_Sideview.JPG
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| Attachment 6: Empty_Frame_Inside_Back.JPG
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| Attachment 7: Assembly_Interior_Back.JPG
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| Attachment 8: Assembly_Interior_Front.JPG
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52
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Thu Aug 10 16:11:57 2023 |
TD, NS, AR | Noise |
Observe c. 2mV p to p noise with DSO ( Z_in = 50 Ohm ) c. 60us period with HF structure. DSO connected to junction box via 34-way IDC - 16x Lemo-00 adaptor.
Origin of noise upstream of 4x34-way to 8x16-way Junction Box. Not microphonics from Edwards RV5 Rotary Pump.
No change observed with simple ground connections between NIM bin/+/-15V PSU/Junction Box and MSL type W1 preamplifier units/vacuum chamber/support assembly.
Estimate of electronic noise
Pulser BNC PB-5
Amplitude 0.5V
Attenuation x1
Decay time 1ms
Frequency 50Hz
Preamplifier RAL108
Output impedance 100 Ohm
Sensitivity 20mV/MeV ( into high Z load ), 6.7mV/MeV ( into 50 Ohm load )
Amplifier EG&G Ortec 571
Input terminated by 50 Ohm
Gain x1 (internal) x 1.0 (fine gain) x 50 (coarse gain ) = 50
Shaping time 0.5us
MCA Amptek 8000D
Input FSR 10V
12 bit ADC
Nominal gain = 6.7mV/MeV x 50 = 335mV/MeV
12 bit ADC input FSR = 10V / 0.335V/MeV = 29.85MeV FSR or 7.3keV/channel
dE p+n junction strip # 4 ( of 0-15 )
pulser peak centroid = 799.8 ch
pulser peak width = 7.8 ch FWHM = 57 keV FWHM
E p+n junction strip # 4 ( of 0-15 )
pulser peak centroid = 864.8ch
pulser peak width = 3.5 ch FWHM = 26 keV FWHM
E n+n Ohmic strip # 4 ( of 0-15 )
pulser peak centroid = 913.0 ch
pulser peak width = 5.3 ch FWHM = 39 keV FWHM
Noise estimates are probably accurate to c. 10% level. |
| Attachment 1: 20230810_162959.JPG
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| Attachment 2: IMG_2906.jpeg
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| Attachment 3: 20230810_164219.JPG
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56
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Fri Aug 11 10:02:08 2023 |
TD, NS, AR | Noise |
Check RAL108 +/-15V PSU
Measured output voltages +15.21V -15.18V - OK
Observe output voltages with DSO ( ch #1 AC/1M +15V, ch #2 AC/1M -15V ) - see attachments 1 & 2
What we should observe is c. 1mV rms ( white ) noise but we clearly observe similar noise transients ( c. 60us period with HF structure ) to those observed at RAL108
outputs. The RAL108 preamplifier units do have RC filters on the +/-15V - typically c. 100 Ohm and 4.7uF. Some additional, inline filtering with a lower rolloff
frequency may be required.
>
> Observe c. 2mV p to p noise with DSO ( Z_in = 50 Ohm ) c. 60us period with HF structure. DSO connected to junction box via 34-way IDC - 16x Lemo-00 adaptor.
>
> Origin of noise upstream of 4x34-way to 8x16-way Junction Box. Not microphonics from Edwards RV5 Rotary Pump.
> No change observed with simple ground connections between NIM bin/+/-15V PSU/Junction Box and MSL type W1 preamplifier units/vacuum chamber/support assembly.
>
>
> Estimate of electronic noise
>
> Pulser BNC PB-5
>
> Amplitude 0.5V
> Attenuation x1
> Decay time 1ms
> Frequency 50Hz
>
> Preamplifier RAL108
> Output impedance 100 Ohm
> Sensitivity 20mV/MeV ( into high Z load ), 6.7mV/MeV ( into 50 Ohm load )
>
> Amplifier EG&G Ortec 571
> Input terminated by 50 Ohm
> Gain x1 (internal) x 1.0 (fine gain) x 50 (coarse gain ) = 50
> Shaping time 0.5us
>
> MCA Amptek 8000D
> Input FSR 10V
> 12 bit ADC
>
>
> Nominal gain = 6.7mV/MeV x 50 = 335mV/MeV
>
> 12 bit ADC input FSR = 10V / 0.335V/MeV = 29.85MeV FSR or 7.3keV/channel
>
>
> dE p+n junction strip # 4 ( of 0-15 )
>
> pulser peak centroid = 799.8 ch
> pulser peak width = 7.8 ch FWHM = 57 keV FWHM
>
>
> E p+n junction strip # 4 ( of 0-15 )
>
> pulser peak centroid = 864.8ch
> pulser peak width = 3.5 ch FWHM = 26 keV FWHM
>
>
> E n+n Ohmic strip # 4 ( of 0-15 )
>
> pulser peak centroid = 913.0 ch
> pulser peak width = 5.3 ch FWHM = 39 keV FWHM
>
>
> Noise estimates are probably accurate to c. 10% level. |
| Attachment 1: 20230811_104233.jpg
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| Attachment 2: 20230811_104253.jpg
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79
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Sat Sep 14 09:30:40 2024 |
TD | Neutron beam profile |
Neutron beam profile - film exposure overnight 12/13.9.24 |
| Attachment 1: 20240914_101751.jpg
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64
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Tue Aug 15 11:41:27 2023 |
TD, NS | Monday 14 August - vacuum chamber pressure |
08.35 Vacuum chamber pressure OK - see attachment 1 |
| Attachment 1: 20230814_083514.jpg
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72
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Thu Dec 7 09:48:23 2023 |
Emmanuel | MWDdetector and User Input |
MWDdetector and UserInput |
| Attachment 1: UserInput_Silicons.h
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DETECTOR SPECIFIC PARAMETERS (Lines may be commented with '#' sign!)
===================================================================================================================================================================================================================================
DETECTOR DETECTOR DETECTOR STEP TIMING MIXED EXPAND SMOOTHING TIME G-FLASH G-FLASH G-FLASH G-FLASH BASELINE BASELINE AMPLITUDE AMPLITUDE AREA/AMP. AREA/AMP. SIGNAL WIDTH SIGNAL WIDTH NUMBER OF PULSE SHAPE
NAME NUMBER CLASS SIZE FILTER POLARITY PULSES FILTER LIMIT OPTION THRESHOLD MIN_WIDTH WINDOW OPTION FILTER OPTION THRESHOLD LOW THR. HIGH THR. LOW THR. HIGH THR. PULSE SHAPES ADDRESS
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
PKUP 0 PSA 350/6 0 0 3 100 100000 0 100. 1. 0 -1 300 0 100 0.0 2000 1 4000 0
#################################
# MWD PARAMETERS V6.2 #
# Date: 10-Aug-2023 #
#################################
#################################
# Threshold Polarity PoleZeroCorr DeconWindow AvergWin MAWindows gain/offset Gamma_Threshold Amp_Threshold fixed Dead time(ns) time_diff_baselne tailtime time_const
EDET 1 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 2 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 3 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 4 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 5 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 6 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 7 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 8 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 9 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 10 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 11 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 12 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 13 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 14 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 15 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 16 MWD 1600 -1 5E5 150 40 1 60 16.0/0.0 100 6500 550 1500 2 20
EDET 17 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 18 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 19 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 20 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 21 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 22 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 23 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 24 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 25 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 26 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 27 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 28 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 29 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 30 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 31 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
EDET 32 MWD 800 1 5E5 150 40 1 60 16.0/0.0 100 6800 550 1500 2 20
DEED 1 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 2 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 3 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 4 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 5 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 6 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 7 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 8 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 9 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 10 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 11 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 12 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 13 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 14 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 15 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
DEED 16 MWD 30 -1 5E5 150 40 1 51 1.0/0.0 100 200 550 1500 2 20
|
| Attachment 2: MWDdetector.cc
|
/*
* $Id$
*
* Author: Sarah-Jane Lonsdale
* Date: 02-Dec-2015
* Version: 5.1 (8-Aug-2017)
* Update: Claudia Lederer-Woods
* Date: 31-May-2018
* Version: 6.0 (31-May-2018)
* Update: Nikolay Sosnin
* Date: 24-Nov-2022
* Version: 6.1 (24-Nov-2022)
*/
#include <math.h>
#include <string.h>
#include <iostream>
#include <iomanip>
#include <cmath>
#include <fstream>
#include <sstream>
#include <algorithm>
#include <vector>
#include <TFile.h>
#include <TH1F.h>
#include <TString.h>
using namespace std;
#include "MWDdetector.h"
void FormatHist(TH1D* h, TString name, TString title, TString xtitle, TString ytitle, int color, int width, int marker_color, int marker_style);
bool MWDDetector::parseConfigLine(char* line, const char* settings_file)
{
cout << "Config: " << line << endl;
if (!Detector::parseConfigLine(line)) return false;
// threshold
char* pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: Invalid Threshold" << endl;
return false;
}
threshold = atof(pch);
// polarity
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: Invalid negative polarity" << endl;
return false;
}
polarity = atoi(pch);
if (polarity>=0)
polarity = 1;
else
polarity = -1;
// pole zero correction
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: Invalid pole zero correction" << endl;
return false;
}
pz = atof(pch);
// deconvolution window
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: Invalid deconvolution window" << endl;
return false;
}
m = atoi(pch);
// average window
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: Invalid average window" << endl;
return false;
}
l = atoi(pch);
// presample
pch = strtok(NULL," "); //NS: 27.07.2023
if (!pch) {
cerr << "UserInput: Invalid presample" << endl;
return false;
}
presample = atoi(pch);
//averaging windows 2
pch = strtok(NULL," "); //NS: 27.07.2023
if (!pch) {
cerr << "UserInput: Invalid presample" << endl;
return false;
}
window = atoi(pch);
// presample/averaging window 2
/*if (!parse2real(&presample, &window)) {
cerr << "UserInput: Invalid averager 1/2" << endl;
return false;
}*/
// gain/offset
if (!parse2real(&gain, &offset)) {
cerr << "UserInput: Invalid gain/offset" << endl;
return false;
}
// gamma flash search start
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: Invalid gamma_threshold" << endl;
return false;
}
g_threshold = atoi(pch);
// minimum amp_threshold
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: Invalid amp_threshold" << endl;
return false;
}
amp_threshold = atoi(pch);
// gamma flash primary (additional) offset
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: Invalid fixed Dead time(ns)" << endl;
return false;
}
gamma_time_primary = atoi(pch);//SL 08/07/17
// time different for baseline determination
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: time_diff_baselne" << endl;
return false;
}
time_diff_baseline = atoi(pch);//SL 08/07/17
// time after g flash which has undershoot
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: tailtime" << endl;
return false;
}
tailtime = atoi(pch);//SL 08/07/17
// Time constant
pch = strtok(NULL," ");
if (!pch) {
cerr << "UserInput: time_const" << endl;
return false;
}
time_const = atoi(pch); // 28/08/23
return true;
} // parseConfigLine
int MWDDetector::analysis(
ntof::lib::ReaderStructEVEH& eveh, // EVEH event information
ntof::lib::ReaderStructMODH& modh, // MODH header information
ntof::lib::ReaderStructACQC& acqc, // ACQC pulse record
PulseVector* pulsevec, // vector of pulses
int movie_number,
bool html) // I: movie number
{
Detector::analysis(eveh, modh, acqc, pulsevec, movie_number, html);
double rate = modh.getSampleRate();
int NofPeaks = 0;
TString name = modh.getDetectorType();
//double g_threshold = 2000; //move to .h file //CHANGED
double tdiffsig = gamma_time_primary;
double tdiffbase = time_diff_baseline; // consider moving to h file
int aver = presample; //
//double tailtime = 100000; // time up to which there is an undershoot after gflash
double* x = new double[length_of_movie];
double* xsmooth = new double[length_of_movie]; //13.3.18
double* xsmooth_ma = new double[length_of_movie]; //NS 22.05.2023
double* y = new double[length_of_movie];
double* z = new double[length_of_movie];
double* zdiff = new double[length_of_movie]; //13.3.18
double* mwd_m = new double[length_of_movie];
double* ma_l = new double[length_of_movie]; // moving average array
double* mwd_deriv = new double[length_of_movie]; // mwd derivative
double timeScale = 1000.0 / rate; // in ns/Sample
for(int i = 0; i < length_of_movie; i++){
x[i] = polarity * (acqc[i] * gain + offset);
y[i] = z[i] = zdiff[i] = xsmooth[i] = 0.0; //13.3.18
}
//CHANGED
int startofevent = aver / 2;
//Averaging preamplifier output
for(int i = startofevent; i < length_of_movie; i++){
xsmooth[i] = 0.;
for(int j = -1 * (aver - 1) / 2; j <= (aver - 1) / 2; j++){
xsmooth[i] += x[i + j];
}
xsmooth[i] /= aver;
}
//Extra moving average test
//const double window = 39.;
int startofevent2 = window / 2; //NS 22.05.2023
for(int i = startofevent2; i < length_of_movie; i++){
xsmooth_ma[i] = 0.;
for(int j = -1 * (window - 1) / 2; j <= (window - 1) / 2; j++){
xsmooth_ma[i] += xsmooth[i + j];
}
xsmooth_ma[i] /= window;
}
// Locating maximum and minimum of derivative
if(verbose){cout << "Begin amplitude extraction." << endl;}
// Parameters for semi-gauss discriminator
//const double time_const = 0; // SL 12/08/16 Emmanuel
const double pole_zero = 5.e5;
double a0, a1, b1;
b1 = exp(-1. / int(time_const));
a0 = (1. + b1) / 2.0;
a1 = -1. * (1. + b1) / 2.0;
// Single pole high pass with pz correction
for(int i = 1; i < length_of_movie; i++){
//y[i] = b1 * y[i - 1] + a0 * xsmooth[i] + a1 * xsmooth[i - 1] + xsmooth[i - 1] / pole_zero;
y[i] = b1 * y[i - 1] + a0 * xsmooth_ma[i] + a1 * xsmooth_ma[i - 1] + xsmooth_ma[i - 1] / pz;
}
// Single pole low pass filter
for(int i = 1; i < length_of_movie; i++){
z[i] = b1 * z[i - 1] + a0 * y[i];
}
// devirative of filters
for(int i = 1; i < length_of_movie; i++){
zdiff[i] = -1. * z[i - 1] + z[i];
}
//bool beamType = false;
//if(eveh.getBeamType() != 1){beamType = true;}
double twait = 16000.; // introduce different time window for baseline depending on ded or par CLW 31/05/18
/*if(eveh.getBeamType() == 2){twait = 13000.;} // dedicated
if(eveh.getBeamType() == 3){twait = 19000.;} // parasitic
else{twait = 16000.;}*/
////////////////////////////////////////
// MWD and filtering //
////////////////////////////////////////
// moving window deconvolution
for(int i = startofevent + m; i < length_of_movie; i++){ // SL 10/08/16 // 13/03/18 MWD on smoothed
//double d_m = xsmooth[i] - xsmooth[i - m];
double d_m = xsmooth_ma[i] - xsmooth_ma[i - m];
double ma_m = 0.;
for(int j = (i - m); j < (i - 1); j++) {
//ma_m += xsmooth[j];
ma_m += xsmooth_ma[j];
}
mwd_m[i] = d_m + ma_m / pz;
}
// moving average
//for(int i = l + m + gamma_flash; i < length_of_movie; i++){ // SL 10/08/16
for(int i = l + m; i < length_of_movie; i++){ // NS 31.07.2023
ma_l[i] = 0.;
... 285 more lines ...
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74
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Tue Apr 16 12:24:01 2024 |
Emmanuel | MWD amplitude (dE and E) |
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| Attachment 1: 26Al_PDF.pdf
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43
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Thu Jul 27 11:53:52 2023 |
TD | MSL type W1 detector data for 26Al(n,X) experiment EAR2, n_TOF |
MSL type W1(SS)-20
3186-9 20um Depletion voltage 3V Operating voltage 6V
3585-12 20um Depletion voltage 2V Operating voltage 4V
MSL type W1(DS)-150
3458-1 157um Depletion voltage 22V Operating voltage 52V
3458-4 144um Depletion voltage 18V Operating voltage 48V |
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12
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Thu Jul 28 16:00:43 2016 |
Sarah | List of to-dos |
Process alpha data
- Compare pulser width and alpha width to calibration spectra (shaping amp with 1us and gain 50x)
- Does photodiode data process OK or is it a problem with the oscillations?
Process LiF data
- Any pile up issues? Problems with gamma flash?
Online monitoring:
- Check leakage every few days, check lab temp.
- Check alpha peaks of 26Al contaminants - Gd, B.
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93
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Wed Jul 16 13:56:00 2025 |
CLW | Links to photos and proton counting excel sheet |
Photos setup
Excel Sheet |
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70
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Thu Sep 28 15:32:16 2023 |
Emmanuel | LiF sample in |
We switched from 10B target (number 1) to LiF target (number 3). We planned to take this measurement for one day. |
| Attachment 1: 20230928_154334.jpg
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| Attachment 2: 20230928_155923.jpg
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| Attachment 3: 20230926_115053.jpg
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| Attachment 4: 20230928_155747.jpg
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55
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Fri Aug 11 09:17:28 2023 |
Annie | Li target scans |
Processed scans of both sides of the Li target showing the beam spot, and an image showing what it looks like to the eye. |
| Attachment 1: 7Li_foil_side1_post_processed.pdf
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| Attachment 2: 7Li_foil_side2_post_processed.pdf
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| Attachment 3: IMG_2914.JPG
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17
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Tue Aug 2 08:14:26 2016 |
Sarah | Leakage currents spreadsheet (26/07- 01/08) |
Steady for dE, E. Possibly rising on PHDI- monitor closely. |
| Attachment 1: Leakage_currents.xlsx
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24
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Tue Aug 23 15:34:38 2016 |
Claudia | Leakage currents 23.08.16 |
E = 0.03uA
dE = 0.04uA
PHDI = 0.09uA
- Monitor PHDI - increasing slowly... |
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23
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Wed Aug 17 15:10:05 2016 |
Sarah | Leakage currents 12.08.16 |
E = 0.03uA
dE = 0.04uA
PHDI = 0.06uA
- Monitor PHDI - increasing slowly... |
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22
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Thu Aug 11 08:19:37 2016 |
Sarah | Leakage currents 10.8.16 |
At lunchtime (12.45)
E = 0.03 uA
dE = 0.04 uA
PHDI = 0.06 uA |
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27
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Fri Sep 9 10:01:18 2016 |
Sarah | Leakage currents 09.09.16 |
EFED 0.04uA
DEED 0.05uA
PHDI 0.13uA |
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21
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Tue Aug 9 15:57:52 2016 |
Sarah | Leakage currents 09.08.16 |
Morning - 9am
E= 0.03uA
dE= 0.04uA
PHDI= 0.06uA
Afternoon - 4.30pm
E=0.03uA
dE= 0.03uA
PHDI=0.05uA
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