Search for light-to-heavy quark flavor changing neutral currents in $ν _μN$ and $\barν_μN$ scattering at the Tevatron

Details Search for light-to-heavy quark flavor changing neutral currents in $ν _μN$ and $\barν_μN$ scattering at the Tevatron Search for light-to-heavy quark flavor changing neutral currents in $ν _μN$ and $\barν_μN$ scattering at the Tevatron

2000-07-31

arxiv.org/abs/hep-ex/0007059v1

Phys.Rev.D63:012001,2001

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1103/PhysRevD.63.012001

We report on a search for flavor-changing neutral-currents (FCNC) in the production of heavy quarks in deep inelastic $\nu_{\mu}N$ and $\bar{\nu}% _{\mu}N$ scattering by the NuTeV experiment at the Fermilab Tevatron. This measurement, made possible by the high-purity NuTeV sign-selected beams, probes for FCNC in heavy flavors at the quark level and is uniquely sensitive to neutrino couplings of potential FCNC mediators. All searches are consistent with zero, and limits on the effective mixing strengths $% | V_{uc}| ^{2}$, $| V_{db}| ^{2}$, and $| V_{sb}| ^{2}$ are obtained.

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