Vector-meson dominance calculations for the anti $nu$ bar anomaly and dimuon production
Journal Article
·
· Phys. Rev., D, v. 12, no. 9, pp. 2628-2631
OSTI ID:4070563
We test quantitatively the hypothesis that the Fermilab anomaly in inclusive anti $nu$N $Yields$ $mu$$sup +$X distributions comes from charm production via intermediate vector (V) and axial-vector (A) charmed mesons. Theoretical predictions from this mechanism are integrated over the experimental $nu$ and anti $nu$ spectra, including a scaling background calculated from the parton model. This mechanism can approximately account for the high-y anti $nu$N data with an effective charm production threshold W/sub th/ = 4 GeV and F*N total cross sections of order 10 mb. Better agreement is secured with a higher threshold W/sub th/ = 6 GeV and higher charmed meson--nucleon cross sections. Unsuppressed weak current couplings to charmed D* mesons could enhance the vector- meson-dominance effect. The v and p distributions of the fast $mu$$sup -$ in the dimuon events are consistent with this F* vector dominance contribution. (AIP)
- Research Organization:
- Department of Physics, University of Wisconsin, Madison, Wisconsin 53706
- NSA Number:
- NSA-33-021406
- OSTI ID:
- 4070563
- Journal Information:
- Phys. Rev., D, v. 12, no. 9, pp. 2628-2631, Journal Name: Phys. Rev., D, v. 12, no. 9, pp. 2628-2631; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
*ANTINEUTRINO-NUCLEON INTERACTIONS-- DEEP INELASTIC SCATTERING
*CHARM PARTICLES-- PARTICLE PRODUCTION
*MUONS PLUS-- PARTICLE PRODUCTION
*VECTOR DOMINANCE MODEL-- ANTINEUTRINO-NUCLEON INTERACTIONS
641103*
ENERGY SPECTRA
INCLUSIVE INTERACTIONS
MUONS MINUS
N64230* --Physics (High Energy)--Particle Interactions & Properties (Theoretical)--Weak
PARTON MODEL
REACTION KINETICS
TOTAL CROSS SECTIONS
VECTOR MESONS
*CHARM PARTICLES-- PARTICLE PRODUCTION
*MUONS PLUS-- PARTICLE PRODUCTION
*VECTOR DOMINANCE MODEL-- ANTINEUTRINO-NUCLEON INTERACTIONS
641103*
ENERGY SPECTRA
INCLUSIVE INTERACTIONS
MUONS MINUS
N64230* --Physics (High Energy)--Particle Interactions & Properties (Theoretical)--Weak
PARTON MODEL
REACTION KINETICS
TOTAL CROSS SECTIONS
VECTOR MESONS