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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 7 July 2020

AWAN Cloud Chamber, Alpha-Air Collision Tracks, ID: 20200618A

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 18
CHAMBER: AWAN
SOURCE: 29.6 kBq (purchased 2013 July) Americium-241 button in lead collimator
TARGET: Atmospheric nuclei @ 1 atm
CONDENSANT: 99 % 2-Propanol (Isopropanol)

CAMERA: Direct photography with NIKON D5000
FOCAL LENGTH: 60 mm
F/-NUMBER, ISO: 3.5, 4000
SHUTTER SPEED: 1/100 s (10 ms)


DATA ANALYSIS

Photographs taken: 42
α-tracks registered: 1569
Average α-tracks per photo: 39.2 %
Forked tracks: 2 (0.13 %)

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