Neutrino neutral-current elastic scattering on {sup 12}C
- Institute for Nuclear Research, Russian Academy of Sciences, 60th October Anniversary Prosp. 7A, Moscow 117312 (Russian Federation)
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
The neutral-current elastic scattering of neutrinos on carbon and CH{sub 2} targets is computed using the relativistic distorted-wave impulse approximation with a relativistic optical potential. Results for exclusive and inclusive neutrino reactions on a {sup 12}C target are presented. We show that the nuclear effects on the shape of the four-momentum transferred squared distribution d{sigma}/dQ{sub QE}{sup 2} in neutrino neutral-current and charged-current quasielastic scattering are similar. We also calculate the flux-averaged neutral-current elastic differential cross section d{sigma}/dQ{sub QE}{sup 2} for neutrino scattering from CH{sub 2}, as well as the neutral-current to charged-current cross section ratio as functions of Q{sub QE}{sup 2}. The axial mass M{sub A} is extracted from a fit of the d{sigma}/dQ{sub QE}{sup 2} cross section measured in the MiniBooNE experiment. The extracted value of M{sub A}=1.28{+-}0.05 GeV is consistent within errors with the MiniBooNE result. Additionally, for proton kinetic energies above the Cherenkov threshold, the strange-quark contribution to the neutral-current axial vector form factor at Q{sub QE}{sup 2}=0, {Delta}s, was extracted from a fit to MiniBooNE data for the {nu}p{yields}{nu}p to {nu}N{yields}{nu}N cross section ratio. This value is found to be {Delta}s=-0.11{+-}0.36
- OSTI ID:
- 21596618
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 84, Issue 1; Other Information: DOI: 10.1103/PhysRevC.84.015501; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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CARBON 12
CHARGED CURRENTS
DIFFERENTIAL CROSS SECTIONS
DISTORTED WAVE THEORY
DISTRIBUTION
ELASTIC SCATTERING
FORM FACTORS
FOUR MOMENTUM TRANSFER
GEV RANGE 01-10
IMPULSE APPROXIMATION
KINETIC ENERGY
MASS
NEUTRAL CURRENTS
NEUTRINO REACTIONS
NEUTRINOS
QUASI-ELASTIC SCATTERING
RELATIVISTIC RANGE
S QUARKS
ALGEBRAIC CURRENTS
APPROXIMATIONS
CALCULATION METHODS
CARBON ISOTOPES
CROSS SECTIONS
CURRENTS
DIMENSIONLESS NUMBERS
DIRECT REACTIONS
ELEMENTARY PARTICLES
ENERGY
ENERGY RANGE
EVEN-EVEN NUCLEI
FERMIONS
GEV RANGE
ISOTOPES
LEPTON REACTIONS
LEPTONS
LIGHT NUCLEI
MASSLESS PARTICLES
MOMENTUM TRANSFER
NUCLEAR REACTIONS
NUCLEI
PARTICLE PROPERTIES
QUARKS
QUASI-FREE REACTIONS
SCATTERING
STABLE ISOTOPES
STRANGE PARTICLES