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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

Friday 11 September 2020

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

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: 122
α-tracks registered: 3609
electron tracks registered: 45
Forked tracks: 28 (0.78 %)
Photoelectron tracks: 38
Secondary electron tracks: 7
Cosmic ray tracks: 15


GALLERY OF NOTABLE TRACKS


ALPHA COLLISION TRACKS

20200619CDSC_0278

20200619CDSC_0291

20200619CDSC_0293

20200619CDSC_0303

20200619CDSC_0316

20200619CDSC_0317

20200619CDSC_0320

20200619CDSC_0330

20200619CDSC_0338


ELECTRON TRACKS

20200619CDSC_0228

20200619CDSC_0280

20200619CDSC_0284

20200619CDSC_0291

20200619CDSC_0296

20200619CDSC_0302


COSMIC RAY TRACKS

20200619CDSC_0241

20200619CDSC_0294

20200619CDSC_0328


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