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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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77 papers · 2 filters
Grand Unification in Higher Dimensions
Lawrence J. Hall, Yasunori Nomura
We have recently proposed an alternative picture for the physics at the scale of gauge coupling unification, where the unified symmetry is realized in higher dimensions but is brok…
The Photon Spectrum in Upsilon Decays
Sean Fleming, Adam K Leibovich
We present a theoretical prediction for the photon spectrum in radiative Upsilon decay. Parts of the spectrum have already been understood, but an understanding of the endpoint reg…
SO(10) GUT Models and Their Present Success in Explaining Mass and Mixing Data
Carl H. Albright
Some features of SO(10) GUT models are reviewed, and a number of such models in the literature are compared. While some have been eliminated by recent neutrino data, others are pre…
Two-Loop Results for M_W in the Standard Model and the MSSM
Ayres Freitas, Sven Heinemeyer, Georg Weiglein
Recent higher-order results for the prediction of the W-boson mass, M_W, within the Standard Model are reviewed and an estimate of the remaining theoretical uncertainties of the el…
Exclusive Double-Charmonium Production from e^+ e^- Annihilation into Two Virtual Photons
Geoffrey T. Bodwin, Eric Braaten, Jungil Lee
We calculate the contributions from QED processes involving two virtual photons to the cross sections for e^+ e^- annihilation into two charmonium states with the same C-parity. Ge…
Estimate of B(K -> pi nu nubar) from Standard Model fits to lambda_t
S. H. Kettell, L. G. Landsberg, H. Nguyen
We estimate B(K -> pi nu nubar) in the context of the Standard Model by fitting for lambda_t = Vtd x V*ts of the `kaon unitarity triangle' relation. We fit data from epsilon_K, the…
Opaque Branes in Warped Backgrounds
Marcela Carena, Eduardo Ponton, Tim Tait +1
We examine localized kinetic terms for gauge fields which can propagate into compact, warped extra dimensions. We show that these terms can have a relevant impact on the values of…
Nonexotic Neutral Gauge Bosons
Thomas Appelquist, Bogdan A. Dobrescu, Adam R. Hopper
We study theoretical and experimental constraints on electroweak theories including a new color-singlet and electrically-neutral gauge boson. We first note that the electric charge…
Manifest CP Violation from Majorana Phases
Andre de Gouvea, Boris Kayser, Rabindra Mohapatra
We hunt for and discuss manifestly CP-violating effects which are mediated by Majorana phases. These phases are present if the Standard Model neutrinos are Majorana particles. We a…
Implications of a Massless Neutralino for Neutrino Physics
I. Gogoladze, J. Lykken, C. Macesanu +1
We consider the phenomenological implications of a soft SUSY breaking term BN at the TeV scale (here B is the U(1)_Y gaugino and N is the right-handed neutrino field). In models wi…
The Resummed Photon Spectrum in Radiative Upsilon Decays
Sean Fleming, Adam K. Leibovich
We present a theoretical prediction for the photon spectrum in radiative Upsilon decay including the effects of resumming the endpoint region, E_γ-> M_Υ/2. Our approach is based on…
Complete two-loop effective potential approximation to the lightest Higgs scalar boson mass in supersymmetry
Stephen P. Martin
I present a method for accurately calculating the pole mass of the lightest Higgs scalar boson in supersymmetric extensions of the Standard Model, using a mass-independent renormal…
Decay of High-Energy Astrophysical Neutrinos
John F. Beacom, Nicole F. Bell, Dan Hooper +2
Existing limits on the non-radiative decay of one neutrino to another plus a massless particle (e.g., a singlet Majoron) are very weak. The best limits on the lifetime to mass rati…
Exclusive Double-Charmonium Production from e^+ e^- Annihilation into a Virtual Photon
Eric Braaten, Jungil Lee
We calculate the exclusive cross sections for e^+ e^- annihilation into two charmonium states through a virtual photon. Purely electromagnetic contributions are surprisingly large,…
A model of CPT violation for neutrinos
G. Barenboim, J. Lykken
Any local relativistic quantum field theory of Dirac-Weyl fermions conserves CPT. Here we examine whether a simple nonlocal field theory can violate CPT. We construct a new relativ…
The Collider Phenomenology of Technihadrons in the Technicolor Straw Man Model
Kenneth Lane, Stephen Mrenna
We discuss the phenomenology of the lightest SU(3)_C singlet and non-singlet technihadrons in the Straw Man Model of low-scale technicolor (TCSM). The technihadrons are assumed to…
Neutrino Factories: Physics Potential
S. Geer
The physics potential of low-performance and high-performance neutrino factories is briefly reviewed..
Unification of Higgs and Gauge Fields in Five Dimensions
Gustavo Burdman, Yasunori Nomura
We construct realistic theories in which the Higgs fields arise from extra dimensional components of higher dimensional gauge fields. In particular, we present a minimal 5D SU(3)_C…
Super-conservative interpretation of muon g-2 results applied to supersymmetry
Stephen P. Martin, James D. Wells
The recent developments in theory and experiment related to the anomalous magnetic moment of the muon are applied to supersymmetry. We follow a very cautious course, demanding that…
Long Baseline Neutrino Experiments and the LOW solution -- What is Left to Do and How Well Can It Be Done
Gabriela Barenboim, Andre de Gouvea
The neutrino community is convinced that if the LMA solution is indeed correct, the prospects for next-generation, long-baseline neutrino experiments are very exciting. In this wor…
Resummed Effective Lagrangian for Higgs-Mediated FCNC Interactions in the CP-Violating MSSM
Athanasios Dedes, Apostolos Pilaftsis
We derive the general resummed effective Lagrangian for Higgs-mediated flavour-changing neutral-current (FCNC) interactions in the Minimal Supersymmetric Standard Model (MSSM), wit…
Color-flow decomposition of QCD amplitudes
F. Maltoni, K. Paul, T. Stelzer +1
We introduce a new color decomposition for multi-parton amplitudes in QCD, free of fundamental-representation matrices and structure constants. This decomposition has a physical in…
Elastic Scattering and Direct Detection of Kaluza-Klein Dark Matter
Geraldine Servant, Tim M. P. Tait
Recently a new dark matter candidate has been proposed as a consequence of universal compact extra dimensions. It was found that to account for cosmological observations, the masse…
Lifting a Realistic SO(10) Grand Unified Model to Five Dimensions
Carl H. Albright, S. M. Barr
It has been shown recently that the problem of rapid proton decay induced by dimension five operators arising from the exchange of colored Higgsinos can be simply avoided in grand…