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Published on: November 15, 2013
Minimal Unified Resolution to R_{K^{(*)}} and R(D^{(*)}) Anomalies with Lepton Mixing
Debajyoti Choudhury1, Anirban Kundu2, Rusa Mandal3
1Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India.
New physics models can explain discrepancies in B decays. A simple two-parameter effective theory successfully accounts for observed anomalies in neutral and charged current observables, predicting new signatures.
Area of Science:
- High Energy Physics
- Particle Physics
- Theoretical Physics
Background:
- Standard Model of Particle Physics has limitations.
- Observed discrepancies in B decays challenge current theories.
- Neutral-current observables R_K and R_{K*} show deviations.
- Charged-current observables R(D) and R(D*) also exhibit anomalies.
Purpose of the Study:
- To propose a simple and compelling new physics scenario.
- To explain the observed discrepancies in B decay observables.
- To identify a minimal theoretical framework for these anomalies.
Main Methods:
- Utilizing an effective field theory approach.
- Introducing a model with only two unknown parameters.
- Analyzing neutral-current and charged-current observables.
Main Results:
- A two-parameter effective theory successfully explains R_K, R_{K*}, R(D), and R(D*).
- The proposed scenario reconciles experimental data with theoretical expectations.
- The model provides a unified explanation for the observed anomalies.
Conclusions:
- A simple new physics scenario with two parameters can resolve B decay anomalies.
- This effective theory offers a compelling explanation for current experimental discrepancies.
- The model predicts observable signatures in future B decay experiments and high-energy collisions.
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