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Now showing items 1-20 of 942

125 GeV Higgs Boson and the Type-II Seesaw Model

Okada, Nobuchika (Published for SISSA by Springer., 2013-03)

We study the vacuum stability and unitarity conditions for a 125 GeV Standard Model (SM)-like Higgs boson mass in the type-II seesaw model. We find that, as long as the seesaw scale is introduced below the SM vacuum ...
125 GeV Higgs Boson Mass and Muon g−2 in 5D MSSM

Okada, Nobuchika (2016-10-26)

In the minimal supersymmetric standard model (MSSM), the tension between the observed Higgs boson mass and the experimental result of the muon g − 2 measurement requires a large mass splitting between stops and ...
125 gev higgs boson mass from 5d gauge-higgs unification

Carson, Jason Carl (University of Alabama Libraries, 2015)

In the context of a simple gauge-Higgs unification (GHU) scenario based on the gauge group SU(3)×U(1)′ in a 5-dimensional flat space-time, we investigate a possibility to reproduce the observed Higgs boson mass of around ...
125 GeV Higgs, Type III Seesaw and Gauge–Higgs Unification

Okada, Nobuchika (2012-09-17)

Recently, both the ATLAS and CMS experiments have observed an excess of events that could be the first evidence for a 125 GeV Higgs boson. This is a few GeV below the (absolute) vacuum stability bound on the Higgs mass in ...
A 2 Hour Quasi Period in an Ultraluminous X-Ray Source in NGC 628

Liu, Ji-Feng; Bregman, Joel N.; Lloyd-Davies, Ed; Irwin, Jimmy; Espaillat, Catherine; Seitzer, Patrick (2005-03-01)
The 2005 November Outburst in OJ 287 and the Binary Black Hole Model

Valtonen, M. J.; Nilsson, K.; Sillanpää, A.; Takalo, L. O.; Lehto, H. J.; Keel, William C.; Haque, S.; Cornwall, D.; Mattingly, A. (2006-05-20)
A 3 × 2 Texture for Neutrino Oscillations and Leptogenesis

Okada, Nobuchika (Elsevier, 2008-03-06)

In an economical system with only two heavy right-handed neutrinos, we postulate a new texture for 3 x 2 Dirac mass matrix m_D. This model implies one massless light neutrino and thus displays only two patterns of mass ...
A ~3.8 hr Periodicity From an Ultrasoft Active Galactic Nucleus Candidate

Lin, Dacheng; Irwin, Jimmy A.; Godet, Olivier; Webb, Natalie A.; Barret, Didier (2013-10-10)
3rd Karl Schwarzschild Meeting – Gravity and the Gauge/Gravity Correspondence, 24-28 July 2017, Frankfurt am Main, Germany

Nicolini, Piero; Kaminski, Matthias; Mureika, Jonas; Bleicher, Marcus (2017)
4D Edge Currents from 5D Chem-Simons Theory

Gupta, K. S.; Stern, Allen (Elsevier, 1995-05-22)

A class of two dimensional conformal field theories is known to correspond to three dimensional Chem-Simons theory. Here we claim that there is an analogous class of four dimensional field theories corresponding to five ...
A Monte Carlo approach to 7Be solar neutrino analysis with KamLAND

Grant, Christopher (University of Alabama Libraries, 2012)

Terrestrial measurements of neutrinos produced by the Sun have been of great interest for over half a century because of their ability to test the accuracy of solar models. The first solar neutrinos detected with KamLAND ...
A photometric study of pure disk galaxies

Brockett, Timmy (University of Alabama Libraries, 2014)

Pure disk galaxies are galaxies that form and evolve without a central bulge region. This morphology of galaxy is relatively unexplained and has yet to be successfully simulated using Lambda-Cold Dark Matter (ΛCDM) ...
A study of white dwarfs: cataclysmic variables and double-detonation supernovae

Caldwell, Spencer (University of Alabama Libraries, 2019)

Novae, be it classical, dwarf, or supernovae, are some of the most powerful and luminous events observed in the Universe. Although they share the same root, they are produced by different physical processes. We research ...
A tale of two standard model extensions

Villalba, Desmond (University of Alabama Libraries, 2019)

The Standard Model (SM) has provided physicists with a nearly complete effective description of the fundamental building blocks for the Universe. While several questions regarding the makeup of our Universe have been ...
A wire source deployment system for calibration of the double chooz near detector

Fernandes, Shak (University of Alabama Libraries, 2016)

The reactor neutrino experiment, Double Chooz (DC), observes the electron antineutrino flux from two nuclear reactors located in Chooz, France. Its primary purpose is to measure the neutrino oscillation parameter sin2 2θ13 ...
About AGN Ionization Echoes, Thermal, Echoes, and Ionization Deficits in Low-Redshift Lyα Blobs

Schirmer, Mischa; Malhotra, Sangeeta; Levenson, Nancy A.; Fu, Hai; Davies, Rebecca L.; Keel, William C.; Torrey, Paul; Bennert, Vardha N.; Pancoast, Ann; Turner, James E. H. (2016-07-28)
Absence of the Holographic Principle in Noncommutative Chern-Simons Theory

Pinzul, A.; Stern, Allen (2001-12-03)

We examine noncommutative Chern-Simons theory on a bounded spatial domain. We argue that upon `turning on' the noncommutativity, the edge observables, which characterized the commutative theory, move into the bulk. We show ...
Abstract: E5.00005 : Spin and Orbital Magnetic Moments of Fe and Co in Co/Fe and Fe/Co Multilayers on Si from L2,3 Edge X-ray Magnetic Circular Dichroism Spectroscopy*

Mankey, Gary (2016)

Nanostructured FeCo thin films are interesting for magnetic recording applications due to their high saturation magnetization, high Curie temperature and low magnetocrystalline anisotropy. It is desirable to know how the ...
Abstract: H29.00006 : The Quality Enhancement Plan Matrix (12 Years and Still Tweaking the Process!)

Mankey, Gary (2009)

As an alumni of the 1997 New Faculty Workshop, I've had plenty of opportunities to experiment with the teaching methods introduced there. Most recently, faculty at UA have been asked to develop a Learner-Centered approach ...
Accelerated Design of Novel Heusler Compounds for Spintronics Applications

KC, Shambhu (University of Alabama Libraries, 2021)

Material discovery could be defined as the identification of a previously unexplored phases/composition which may exhibit properties that are unique or similar to that of previously explored composition. Historically, this ...

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Browsing Department of Physics & Astronomy by Title

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