Do hep neutrinos affect the solar neutrino energy spectrum?

Abstract

If the low energy cross section for 3He + p goes to 4He + e + nu_e, the `hep' reaction, is > 20 times larger than the best (but uncertain) theoretical estimates, then this reaction could significantly influence the electron energy spectrum produced by solar neutrino interactions and measured in the SuperKamiokande, SNO, and ICARUS experiments. We compare predicted energy spectra for different assumed hep fluxes and different neutrino oscillation scenarios with the observed SuperKamiokande spectrum. The spectra with enhanced hep contributions provide better fits to the SuperKamiokande data.

Accepted Phyics Letters B. Related information at http://www.sns.ias.edu/~jnb . LaTeX file. 12 pages including 2 figures. Typo in Table 2 corrected

References in corpus (1)

• How Uncertain Are Solar Neutrino Predictions?

Cited by in corpus (49)

• Solar Models: current epoch and time dependences, neutrinos, and helioseismological properties
• The Solar Neutrino Puzzle: An Oscillation Solution with Maximal Neutrino Mixing
• Parameter-free effective field theory calculation for the solar proton-fusion and hep processes
• Recent Progress in Neutrino Factory and Muon Collider Research within the Muon Collaboration
• Status of the MSW Solutions to the Solar Neutrino Problem
• Zee Mass Matrix and Bi-Maximal Neutrino Mixing
• Shape of the 8B Alpha and Neutrino Spectra
• Is Large Mixing Angle MSW the Solution of the Solar Neutrino Problems?
• Three-flavor MSW solutions of the solar neutrino problem
• Weak proton capture on 3He
• A Search for Neutrinos from the Solar hep Reaction and the Diffuse Supernova Neutrino Background with the Sudbury Neutrino Observatory
• Matter Effects on Neutrino Oscillations in Long Baseline Experiments
• Realistic Calculation of the hep Astrophysical Factor
• Solar neutrino measurements using the full data period of Super-Kamiokande-IV
• What will the first year of SNO show?
• SNO: Predictions for Ten Measurable Quantities
• Resonance spin flavour precession and solar neutrinos
• Global Three-Neutrino Vacuum Oscillation fits to the Solar and Atmospheric Anomalies
• Neutrino suppression and extra dimensions: a minimal model
• The Solar $Hep$ Process
• Day - Night Effect Predictions for the SNO Detector
• Seasonal and Energy Dependence of Solar Neutrino Vacuum Oscillations
• Correlations of Solar Neutrino Observables for SNO
• Effective field theory approach for the M1 properties of A=2 and 3 nuclei
• Solar Neutrinos and the Violation of Equivalence Principle
• Super-Kamiokande hep neutrino best fit: a possible signal of nonmaxwellian solar plasma
• Model Independent Information On Solar Neutrino Oscillations
• The Potential for Neutrino Physics at Muon Colliders and Dedicated High Current Muon Storage Rings
• Seasonal Dependence in the Solar Neutrino Flux
• Vacuum oscillations and excess of high energy solar neutrino events observed in Superkamiokande
• Sterile Neutrinos in E_6 and a Natural Understanding of Vacuum Oscillation Solution to the Solar Neutrino Puzzle
• Implications of Solar and Atmospheric Neutrinos
• Three Generation Long-wavelength Vacuum Oscillation Solution to the Solar Neutrino Problem
• Another Look at Just-So Solar Neutrino Oscillations
• A closer look at the $pp$-chain reaction in the Sun: Constraining the coupling of light mediators to protons
• Renormalization-Group Effects in the SO(3) Gauge Model With Nearly Degenerate Neutrino Masses and Bi-maximal Mixing
• CP Violation for Leptons at Higher Energy Scales
• Two/Three-Flavor Oscillation and MSW/Vacuum Oscillation Solution of Neutrinos in the SO(3) Gauge Model
• Oscillation Solutions to Solar Neutrino Problem
• High energy solar neutrinos and p-wave contributions to ^3He(p,\nue^+)^4He
• Is it possible to determine the S-factor of the hep process from a laboratory experiment?
• SO(3) Gauge model for neutrino masses and oscillations
• New Developments in Calorimetric Particle Detection
• Neutrino Physics at the Turn of the Millenium
• Electron capture on ^{8}B nuclei and Superkamiokande results
• Effective Field Theories, Landau-Migdal Fermi-Liquid Theory and Effective Chiral Lagrangians for Nuclear Matter
• Neutrino Physics: Theory and Phenomenology
• The "Folk Theorem" on Effective Field Theory: How Does It Fare in Nuclear Physics?
• On a possibility to determine the S-factor of the hep process in experiments with thermal (cold) neutrons