Scholarly Articles, Institute for Particle, Nuclear and Astronomical Sciences (IPNAS)
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- Constraints on New Physics from Long Baseline Neutrino Oscillation ExperimentsHonda, M.; Kao, Y.; Okamura, Naotoshi; Pronin, A.; Takeuchi, Tatsu (2007)
- Single-Coupling Bounds on R-parity violating Supersymmetry, an updateKao, Y.; Takeuchi, Tatsu (2009)
- Constraints on R-parity violation from recent Belle/Babar dataKao, Y.; Takeuchi, Tatsu (2009)
- Ratchet Model of BaryogenesisTakeuchi, Tatsu; Minamizaki, A.; Sugamoto, A. (World Scientific, 2011-01-01)
- Position and momentum uncertainties of a particle in a V-shaped potential under the minimal length uncertainty relationLewis, Zachary; Roman, Ahmed; Takeuchi, Tatsu (World Scientific, 2015-12-20)
- Running of oscillation parameters in matter with flavor-diagonal non-standard interactions of the neutrinoAgarwalla, S. K.; Kao, Y.; Saha, D.; Takeuchi, Tatsu (Springer, 2015-11-05)
- Lifetimes of the Heavy Neutral Leptons in the Okamura ModelPronin, A.; Takeuchi, Tatsu (2006)
- A Simple parameterization of matter effects on neutrino oscillationsHonda, M.; Kao, Y.; Okamura, Naotoshi; Takeuchi, Tatsu (2006)
- Matter Effect on Neutrino Oscillations from the violation of Universality in Neutrino Neutral Current InteractionsHonda, M.; Okamura, Naotoshi; Takeuchi, Tatsu (2006)
- The NuTev anomaly, neutrino mixing, and a heavy HiggsTakeuchi, Tatsu (2002)
- The W mass and the U parameterTakeuchi, Tatsu; Loinaz, William; Okamura, Naotoshi; Wijewardhana, L. C. R. (2003)
- Constraining new physics with vertex correctionsTakeuchi, Tatsu; Lebedev, O.; Loinaz, William (1999)
- Indirect probes of new physicsHewett, J. L.; Takeuchi, Tatsu; Thomas, S. D. (World Scientific, 1996)We summarize the indirect effects of new physics in a variety of processes. We consider precision electroweak measurements, the g−2 of the muon, rare decays, meson mixing, CP violation, lepton number violating interactions, double beta decay, and the electric dipole moments of atoms, molecules, and the neutron. We include discussions of both model independent and dependent analyses where applicable.
- The Status of the electroweak sector of the standard modelTakeuchi, Tatsu (1995)
- An analysis of nonoblique corrections to the Zb¯b vertexTakeuchi, Tatsu; Grant, Aaron K.; Rosner, Jonathan L. (1994)We present a model–independent analysis of the Zb¯b vertex, with the aim of constraining contributions of new physics to the left- and right–handed couplings of the b. We find that the left–handed coupling of the b is quite narrowly constrained by present data, but that the right–handed coupling is still largely unconstrained.
- The difficulties involved in calculating $δρ$Takeuchi, Tatsu; Grant, Aaron K.; Worah, Mihir P. (1995-04)We discuss the difficulties that arise when one tries to calculate $\delta\rho$ using dispersion relations.
- Transient pulses from exploding primordial black holes as a signature of an extra dimensionKavic, Michael; Simonetti, John H.; Cutchin, Sean E.; Ellingson, Steven W.; Patterson, Cameron D. (IOP, 2008-11-01)An evaporating black hole in the presence of an extra spatial dimension would undergo an explosive phase of evaporation. We show that such an event, involving a primordial black hole, can produce a detectable, distinguishable electromagnetic pulse, signaling the existence of an extra dimension of size L ∼ 10−18 − 10−20 m. We derive a generic relationship between the Lorentz factor of a pulse-producing “fireball” and the TeV energy scale. For an ordinary toroidally compactified extra dimension, transient radio-pulse searches probe the electroweak energy scale (∼0.1 TeV), enabling comparison with the Large Hadron Collider.
- Quantum Gravity, Dynamical Energy-Momentum Space and Vacuum EnergyChang, Lay Nam; Minic, Djordje; Takeuchi, Tatsu (World Scientific, 2010-11-01)
- Hydrogen-atom spectrum under a minimal-length hypothesisBenczik, S. Z.; Chang, Lay Nam; Minic, Djordje; Takeuchi, Tatsu (American Physical Society, 2005-07-01)
- An evaluation of the analytic continuation by duality techniqueTakeuchi, Tatsu; Goonetileke, L. C.; Ignjatovic, S. R.; Wijewardhana, L. C. R. (1997)In Nucl. Phys. B391 (1993) 127, the value of the oblique correction parameter S for walking technicolor theories was estimated using a technique called Analytic Continuation by Duality (ACD). We apply the ACD technique to the perturbative vacuum polarization function and find that it fails to reproduce the well known result S=1/6\pi. This brings into question the reliability of the ACD technique and the ACD estimate of S.
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