CALCULATED SHAPES FOR NEUTRON BURSTS PRODUCED BY PHASED CHOPPER VELOCITY SELECTORS

Journal Article · Mon Aug 01 00:00:00 EDT 1960 · Nuclear Instr. & Methods

DOI:https://doi.org/10.1016/S0029-554X(60)80007-9· OSTI ID:4133351

Tolk, N H; Brugger, R M

The burst shapes and transmission probabilities for neutrons passing through a phased chopper neutron velocity selector of the type now being used at the Materials Testing Reactor were calculated using an IBM-650 computer. Choppers with three types of slits (straight, parabolic, and circular) are considered and burst shapes are presented that show the operating characteristics of such velocity selectors. A function that gives a good fit to many of the burst shapes is presented. The results verify that a circular slit chopper can be used in place of the more exact parabolic slit chopper with only minor distortions in the operating ranges of interest. (auth)

• Research Organization: Phillips Petroleum Co., Idaho Falls, Idaho
• Sponsoring Organization: USDOE
• NSA Number: NSA-15-001551
• OSTI ID: 4133351
• Journal Information: Nuclear Instr. & Methods, Journal Name: Nuclear Instr. & Methods Vol. Vol: 8
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

COMPUTERS
ENGINEERING AND EQUIPMENT
MATHEMATICS
MEASURED VALUES
NEUTRON BEAMS
NEUTRON CHOPPERS
NEUTRON SPECTROMETERS
NEUTRONS
PULSE ANALYZERS
PULSE GENERATORS
PULSES
VELOCITY