Neutron β Decay: Status and Future of the Asymmetry Measurement

Technical Report · Wed Apr 04 04:00:00 EDT 2007

DOI:https://doi.org/10.2172/1304687· OSTI ID:1304687

Ito, Takeyasu M. ^[1]

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1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

With more intense sources of cold and ultracold neutrons becoming available and with improved experimental techniques being developed, determination of ΙV_ud l from neutron β decay with a similar precision to that from from superallowed β decays is within reach. Determination of IV_ud l from neutron β decay, free from nuclear corrections, holds the most promise for a further improvement of the determination of IV_ud l· The current and future neutron β decay correlation experiments including the UCNA experiment at Los Alamos National Laboratory are reviewed.

• Research Organization: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC52-06NA25396
• OSTI ID: 1304687
• Report Number(s): LA-UR--07-2229
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCURACY
ASYMMETRY
BETA DECAY
CORRELATIONS
EXPERIMENT DESIGN
LANL
MATRIX ELEMENTS
ULTRACOLD NEUTRONS