Log book of catania test beam

Data Files

Data File names
1. From run_101009_1.txt to run_101009_10.txt
2. From run_111009_1.txt to run_111009_10.txt
Configuration files (cabling)
1. conf_101009.txt the human readable version is in cabling_101009.txt
2. conf_111009.txt the human readable version is in cabling_111009.txt

Beam conditions

All runs but the last one

Beam dump rate: from 300 Hz to 1 kHz

Only the last run (run_111009_10.txt)

Rate from 2 kHz to 7 kHz

The beam was bunched at nearly 20 ns, with spill lenght nearly 1 ns.

Acquisition conditions

Acquisition rate: from 180 to 300 Hz.
Amplifier gain: 10

Runs details

65cc min Ar 16cc min CO2 corresponding to 80/20 admixture

Run	Mixture (cc/min)	Comments	HV	LV	N evts
1	65/30	scint: 3/4 not connected	2.0 kV	1 V	147 k
2	-	all scint connected	-	-	805 k
3	-	all scint connected	2.2 kV	-	600 k
4	-	all scint connected	2.1 kV	-	975 k
5	-	No scint	1.9 kV	-	1.055 M
6	-	all scint conn	1.8 kV	-	905 k
7	65/16	all scint conn	1.8 kV	-	870 k
8	-	all scint conn	1.9 kV	-	550 k
9	-	all scint conn	2.0 kV	-	1 M
10	-	all scint conn	2.1 kV	-	840 k

From 101009_* to 111009_* change of cabling/connections. ADC moved from 1st start counter to DUMP and recabled the chamber. 1 chamber channel resurrected….

Run	Mixture (cc/min)	Comments	HV	LV	N evts
1	65/40	All conn	2.1 kV	1.11 V	660 k
2	-	-	2.2 kV	-	695 k
3	-	2mm of Al 1.15mm from ST1	-	-	3.16 M
4	-	All conn (no Al)	2.3 kV	-	705 k
5	-	-	2.4 kV	-	570 k
6	65/50	-	2.4 kV	-	350 k
7	-	-	2.5 kV	-	275 k
8	-	-	2.3 kV	-	240 k
9	-	-	2.2 kV	-	210 k
10	-	High rate	2.3 kV	-	145 k

Change of LV from 1 V to 1.11 V changes gain from 2*10^6 to 5*10^6 [adb]

INFN wiki

Table of Contents

Log book of catania test beam

Data Files

Beam conditions

Acquisition conditions

Runs details