Tag Archives: x-ray

X-Ray Flare Detected!

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X-Ray Flare from Sun

Starting at 4:53 AM ETD on 6/20 my x-ray detector started logging x-ray counts above background. The greatest single bin peak was σ5.5893771396, which is a valid detection by nearly anyone’s standards.

Event Start End Duration Max Sigma
Peak 1 4:53am 5:07:20AM 14:20 8.2CPS 5.5893771396 Max at 5:04:50 am
Peak 2 5:16am 5:18:10AM 2:10 7.3CPS 4.4363646686 Unknown
range 1 5:22am 5:50:10AM 28:10 7.7CPS 4.9488146557 Unknown

And then I lost power!!! Yes, my house lost power for a brief moment. The UCS30 and my entire gamma spectrum were shut off. My laptop continued recording the x-ray and Geiger counter readings, luckily. I may have had a nice gamma detection, but I will never know.

Correlating the x-rays with the Geiger counter, I found this:

Date/time Count (x-x̄)/σ
6/20/2015 12:53:39 AM 25 -0.1202088536
6/20/2015 12:54:39 AM 23 -0.5115865163
6/20/2015 12:55:39 AM 29 0.6625464719
6/20/2015 12:56:39 AM 32 1.2496129661 peak 1
6/20/2015 12:57:39 AM 27 0.2711688092
6/20/2015 12:58:39 AM 28 0.4668576406
6/20/2015 12:59:39 AM 38 2.4237459543
6/20/2015 1:00:39 AM 22 -0.7072753477
6/20/2015 1:01:39 AM 22 -0.7072753477
6/20/2015 1:02:39 AM 31 1.0539241347
6/20/2015 1:03:39 AM 33 1.4453017974
6/20/2015 1:04:39 AM 24 -0.3158976849
6/20/2015 1:05:39 AM 39 2.6194347857 Max reading from x-rays was1:04:50 am EDT
6/20/2015 1:06:39 AM 25 -0.1202088536
6/20/2015 1:07:39 AM 22 -0.7072753477
6/20/2015 1:08:39 AM 24 -0.3158976849
6/20/2015 1:09:39 AM 20 -1.0986530104

Date/time Count (x-x̄)/σ
6/20/2015 1:23:40 AM 27 0.2711688092
6/20/2015 1:24:40 AM 24 -0.3158976849
6/20/2015 1:25:40 AM 29 0.6625464719
6/20/2015 1:26:40 AM 17 -1.6857195046
6/20/2015 1:27:40 AM 31 1.0539241347
6/20/2015 1:28:40 AM 38 2.4237459543
6/20/2015 1:29:40 AM 34 1.6409906288 These occur during Range 1
6/20/2015 1:30:40 AM 31 1.0539241347
6/20/2015 1:31:40 AM 33 1.4453017974
6/20/2015 1:32:40 AM 32 1.2496129661
6/20/2015 1:33:40 AM 27 0.2711688092
6/20/2015 1:34:40 AM 31 1.0539241347
6/20/2015 1:35:40 AM 26 0.0754799778
6/20/2015 1:36:40 AM 26 0.0754799778
6/20/2015 1:37:40 AM 17 -1.6857195046
6/20/2015 1:38:40 AM 21 -0.9029641791

xray-flare

xray-flare

Links:

My Data http://anti-proton.com/Test_T10.txt

Equipment Used (In case you wanted to know)

Detectors:

Gamma Rays: Sodium Iodide Thallium Doped Probe
NaI(Tl) 38.1mm x 38.1mm Cuylindrical (Radiation Sensors SDA38, 10 stage PMT)
Spectrum Techniques UCS30 1024 Channel MCA
Configuration:
Multi Channel Scaling mode.
60s Dwell Time, Fine Gain 1, Coarse Gain 1, 650v+
124 keV – 5.5 MeV
Batch Spectrum mode.
300s Run Time, 1 Sec Delay, Fine Gain 1, Coarse Gain 1, 650v+
124 keV – 5.5 MeV

X-Rays: Cesium Iodide Thallium Doped Probe
CsI(Tl) SE International RAP47 X-Ray Probe (25.4mm x 25.4mm)
Gamma Spectacular GS1100A Voltage Driver
PRA 8.0 Software MCA
Configuation:
Multi Channel Scaling mode.
10s Dwell Time, Volume 100, Boost 20dB, 800v+
8 keV – 140 keV

Catch All Geiger Counter:
SE International Inspector USB
LND7317 “Pancake” Geiger Muller probe
5 keV – greater than 5 MeV

☢ Radioactive Tritium Gun Sight – Tested! ☢

Filed under Radiation, Science
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☢☢☢ Read Details ☢☢☢
A Glock radioactive gun sight is tested to determine how radioactive it might be!

X-Ray Spectrum of Tritium: http://anti-proton.com/tritium2.png
X-Ray Spectrum of Gun Sight: http://anti-proton.com/tritium_gunsight.png

(Radiation and Geiger Counters) How to Separate Alpha, Beta, Gamma

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Background 38 CPM
Total 19,262 CPM *
Beta+Gamma 14,116 CPM *
Gamma 1,392 cpm *

* values shown minus background (e.g. 19300 CPM total becomes 19,262 CPM after 38 CPM removed)

This is how we figure it out:

Alpha = Total – Beta+Gamma
Beta = Beta+Gamma – Gamma
Gamma = Gamma

We can replace the words for real values from above:
Alpha = (19262 CPM) – (14116 CPM) = 5146 CPM
Beta = (14116 CPM) – (1392 CPM) = 12724 CPM
Gamma = (1392 CPM) = 1392 CPM

The results sum back to the total, which helps us check our work:
Alpha + Beta + Gamma = 5146 CPM + 12724 CPM + 1392 CPM = 19262 CPM
——————————————————————————————

Here’s that bit about the copper lol I added it for fun, but it is correct.
Sheilding HVL of Copper: 10.2 mm
Thickness of Sample: ~4mm
Most Common Energy of Gamma: 214Bi 609.31 keV at 44.8%
e^-log(2)4mm/10.2mm = 0.76199, where d/dx e^-((ln(2)/10.2mm)*x) = (4^((-2+x)/x) log(2))/x^2

☢ Radioactive Tc99m ☢

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Technetium 99m has a half life of 6.01 hours and transitions to normal Technetium 99 via the release of surplus energy in the form of a gamma photon at 140.21 keV

Statistically Valid Detections

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The basic idea comes from z-score * sqrt(2*background)