EXPERIMENTAL TEST OF THE CONSERVATION OF NUCLEONS

Journal Article · Fri Jun 15 00:00:00 EDT 1962 · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D

DOI:https://doi.org/10.1103/PhysRev.126.2178· OSTI ID:4824001

Giamati, C C; Reines, F

The lower limit was measured for the lifetime of nucleons against spontaneous decay by processes which do not conserve the number of nucleons. The decay modes release charged particles with energies generally above 100 Mev. Possible decay events were sought using a 200liter liquid scintillation detector. Backgrounds were due entirely to cosmic rays reduced by going 585 m underground and surrounding the scintillation detector by a water Cherenkov anticoincidence counter of over-all dimensions 2.4 m in diameter and 2.0 m high. The sclntillation detector was set do detect pulses as low in energy as 8 Mev and hence was sensitive to a wider variety of decay events than previous experiments. Lifetime limits obtained range from 10/sup 26/ to 7 x 10/sup 27/ years depending on the decay mode assumed. (auth)

• Research Organization: Case Inst. of Tech., Cleveland
• NSA Number: NSA-16-026328
• OSTI ID: 4824001
• Journal Information: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 126; ISSN PHRVA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

BACKGROUND
CHARGED PARTICLES
CHERENKOV COUNTERS
COINCIDENCE METHODS
COSMIC RADIATION
DECAY
EMISSION
LIFETIME
MEASURED VALUES
NUCLEONS
PHYSICS
RADIATION DETECTORS
SCINTILLATIONS