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Filtering by: Subject Nuclear weapons -- Testing -- Detection Remove constraint Subject: Nuclear weapons -- Testing -- Detection

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A Compact Radioxenon Detection System Using CZT, an Array of SiPMs, and a Plastic Scintillator

Creator:

Czyz, Steven A.

Abstract:

Several radioxenon isotopes (¹³¹ᵐXe, ¹³³Xe, ¹³³ᵐXe, ¹³⁵Xe) are characteristic byproducts of nuclear explosions, and due to their chemically nonreactive nature can easily escape from tests occurring underground and enter the atmosphere. It has been shown that by utilizing beta-gamma coincidence techniques, the Comprehensive Nuclear Test Ban Treaty Organization (CTBTO) can...

Resource Type:

Masters Thesis
A Two-element CZT-based Radioxenon Detection System for Nuclear Weapon Test Monitoring

Creator:

Ranjbar, Lily

Abstract:

Detection of xenon radioisotopes (radioxenons) has proven to be an important method for detecting nuclear explosions and is particularly well suited for detecting undeclared underground testing. The radioxenon isotopes ¹³¹mXe (t₁/₂ = 11.934 d), ¹³³mXe (t₁/₂ = 2.19 d), ¹³³Xe (t₁/₂ = 5.243 d) and ¹³⁵Xe (t₁/₂ = 9.14 h)...

Resource Type:

Dissertation
Real-time radioxenon measurement using a Compton-suppressed well-type phoswich detector for nuclear explosion monitoring

Creator:

Alemayehu, Bemnet

Abstract:

Radioxenon detection is a technique used to monitor nuclear explosion and verify the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Because of an ultra-low concentration of radioxenon at radioxenon monitoring stations, radioxenon detection systems must have high sensitivity. This sensitivity is measured in terms of detector's minimum detectable concentration (MDC). It is required...

Resource Type:

Dissertation
An investigation of the light capture properties of the XEPHWICH, a phoswich radiation detection system

Creator:

Jones, Sean E.

Abstract:

The XEPHWICH system is a phoswich type (multiple scintillator) radiation detector designed to detect several radioxenon isotopes with the goal of identifying covert nuclear explosions. The XEPHWICH system is designed with the sole purpose of replacing the Automated Radio-xenon Sampler/Analyzer (ARSA) in the United Nation's (UN) Comprehensive Test Ban Treaty's...

Resource Type:

Masters Thesis

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Academic Affiliation

Nuclear Engineering and Radiation Health Physics2
Nuclear Science and Engineering2

Advisor

Farsoni, Abi T.3
Hamby, David1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2009 to 2017

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Committee Member

Hamby, David2
Liu, Huaping2
Abi, Farsoni1
Anna, Harding1
Hamby, David M.1
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Creator

Alemayehu, Bemnet1
Czyz, Steven A.1
Jones, Sean E.1
Ranjbar, Lily1

Date

Date range begin – Date range end

Current results range from 2008 to 2016

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Decade

2010-20193
2000-20091

Degree Field

Radiation Health Physics3
Nuclear Engineering1

Degree Level

Doctoral2
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)2
Master of Science (M.S.)2

Language

English [eng]4

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation2
Masters Thesis2

Rights Statement

In Copyright4

Subject

Nuclear weapons -- Testing -- Detection[remove]4
Xenon -- Isotopes2
Cadmium telluride1
Nuclear counters1
Scintillation counters1
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