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AWAN Cloud Chamber
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(left) Alpha tracks from Uranitite (right) Alpha tracks from Americium-241
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Vacuum Test of AWAN

Tuesday 25 August 2020

AWAN Cloud Chamber, Track Counts, Acquisition ID: 20200619B

NOTE: This post is a regular update on "one-day-findings" based on the experiment objectives of AWAN_AmαS_At. More of such post will be updated until data acquisition is sufficient for statistical analysis.


PARAMETERS

ACQUISITION DATE: 2020 June 19
CHAMBER: AWAN
SOURCE: 29.6 kBq (purchased 2013 July) Americium-241 button in lead collimator
TARGET: Atmospheric nuclei @ 1 atm
CONDENSANT: 60 % 2-Propanol (Isopropanol) in 40 % water

CAMERA: Direct photography with NIKON D5000
FOCAL LENGTH: 60 mm
F/-NUMBER, ISO: 3.2, 4000
SHUTTER SPEED: 1/100 s (10 ms)


DATA ANALYSIS

Photographs taken: 173
α-tracks registered: 4688
electron tracks registered: 46
Forked tracks: 37 (0.79 %)
Photoelectron tracks: 38
Secondary electron tracks: 8
Cosmic ray tracks: 25


GALLERY OF NOTABLE TRACKS


ALPHA COLLISION TRACKS

20200619BDSC_0121

20200619BDSC_0142

20200619BDSC_0143

20200619BDSC_0191

20200619BDSC_0199


ELECTRON TRACKS

20200619BDSC_0163

20200619BDSC_0183

20200619BDSC_0189


COSMIC RAY TRACKS

20200619BDSC_0093

20200619BDSC_0151

20200619BDSC_0064

20200619BDSC_0089

20200619BDSC_0099

20200619BDSC_0126

20200619BDSC_0132


ALPHA DEFLECTION TRACK

20200619BDSC_0087


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