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Related papers: Testing Extended Technicolor With $R_b$

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The phenomenological constraints on extra neutral gauge bosons at present and at future colliders are reviewed. Special attention is paid to the influence of radiative corrections, systematic errors, and kinematic cuts on the Z'…

High Energy Physics - Phenomenology · Physics 2009-10-08 A. Leike

We analyze the constraints on possible anomalous contributions to the $W^+W^-Z$ vertex coming from non-universal radiative corrections to the $Z \rightarrow b \bar{b}$ width. We parametrize these corrections in terms of $\epsilon_b$ and use…

High Energy Physics - Phenomenology · Physics 2009-10-28 O. J. P. Eboli , S. M. Lietti , M. C. Gonzalez-Garcia , S. F. Novaes

Semi-Empirical Tight Binding (TB) is known to be a scalable and accurate atomistic representation for electron transport for realistically extended nano-scaled semiconductor devices that might contain millions of atoms. In this paper an…

Materials Science · Physics 2015-06-18 Ganesh Hegde , Michael Povolotskyi , Tillmann Kubis , Timothy Boykin , Gerhard Klimeck

A brief summary is given of recent developments concerning a Lorentz-violating extension of the standard model and its implications for experiments testing Lorentz and CPT symmetry.

High Energy Physics - Phenomenology · Physics 2007-05-23 Alan Kostelecky

We use an effective operator framework to study the contributions to the Tevatron t tbar asymmetry from arbitrary vector bosons and scalars, and compare with their effect on the t tbar tail at LHC. Our study shows, for example, that models…

High Energy Physics - Phenomenology · Physics 2011-07-14 J. A. Aguilar-Saavedra , M. Perez-Victoria

The Tribomechadynamics Research Challenge (TRC) was a blind prediction of the vibration behavior of a thin plate clamped on two sides using bolted joints. The first bending mode's natural frequency and damping ratio were requested as…

Signal Processing · Electrical Eng. & Systems 2024-10-22 Arati Bhattu , Svenja Hermann , Nidhal Jamia , Florian Müller , Maren Scheel , Christoph Schwingshackl , H. Nevzat Özgüven , Malte Krack

We discuss a few situations related to non separable correlations in multiterminal hybrid structures. We show that the existence of such correlations can modify the strength of the gap of the superconductor. We discuss linear combinations…

Superconductivity · Physics 2007-05-23 R. Mélin

Enhancing the dimensionless figure of merit zT is central to developing better thermoelectric materials and advancing thermoelectric generation technology. However, the intrinsic interdependence between electrical conductivity, the Seebeck…

Materials Science · Physics 2024-12-20 D. Beretta

Some emerging difficulties in the theoretical description of exclusive semileptonic $\bar B$ decays are discussed in the context of the quark model. While there are no unambiguous problems at this time, I discuss physics beyond the valence…

High Energy Physics - Phenomenology · Physics 2009-10-28 Nathan Isgur

In models of dynamical electroweak symmetry breaking which sensitively involve the third generation, such as top quark condensation, the effects of the new dynamics can show up experimentally in Z->b\bar{b}. We compare the sensitivity of…

High Energy Physics - Phenomenology · Physics 2011-07-18 Christopher T. Hill , Xinmin Zhang

Many models beyond the Standard Electroweak Theory, top-down or bottom-up, contain extensions of the gauge symmetry group by extra U(1)' factors which can be understood or treated as subgroups of E(6). A brief overview of such models is…

High Energy Physics - Phenomenology · Physics 2011-08-04 Jens Erler , Paul Langacker , Shoaib Munir , Eduardo Rojas

The sensitivity of electron EDM experiments has been increasing at a rapid pace, and could yield indications of new physics in the coming decade. An intriguing possibility is that an EDM signal could be generated by new, electroweak-charged…

High Energy Physics - Phenomenology · Physics 2025-01-31 Samuel Homiller , Jackie Lodman , Aditya Parikh , Matthew Reece

Using an effective-theory approach, we analyze the impact of BR(Bs to mu+ mu-) in constraining new-physics models that predict modifications of the Z-boson couplings to down-type quarks. Under motivated assumptions about the flavor…

High Energy Physics - Phenomenology · Physics 2013-12-05 Diego Guadagnoli , Gino Isidori

The Escalator Boxcar Train (EBT) is a numerical method that is widely used in theoretical biology to investigate the dynamics of physiologically structured population models, i.e., models in which individuals differ by size or other…

Numerical Analysis · Mathematics 2012-10-05 Åke Brännström , Linus Carlsson , Daniel Simpson

The energy spectrum of the lepton(s) in e^+e^- --> tt-bar --> l^{+-} ...../l^+l^-..... at next linear colliders (NLC) is studied for arbitrary longitudinal beam polarizations as a possible test of new physics in top-quark couplings. The…

High Energy Physics - Phenomenology · Physics 2009-10-31 B. Grzadkowski , Z. Hioki

Strong interactions are addressed in connection to extracting |V_{cb}| and determining heavy quark parameters. A comprehensive approach allows a robust analysis not relying on a 1/m_c expansion; a percent defendable accuracy in |V_{cb}|…

High Energy Physics - Phenomenology · Physics 2010-11-23 Nikolai Uraltsev

Various BSM models predict large deviations of the top electroweak couplings. Many examples will be given emphasizing the need for precise and model independent measurements of these couplings. Here I address the question of compatibility…

High Energy Physics - Phenomenology · Physics 2014-03-13 Francois Richard

Anomalous couplings of the $Z$ boson to top quarks are only marginally constrained by direct searches and are still sensitive to new particle dynamics at the TeV scale. Employing an effective field theory approach we consider the…

High Energy Physics - Phenomenology · Physics 2015-03-03 Joachim Brod , Admir Greljo , Emmanuel Stamou , Patipan Uttayarat

This paper analyzes the effective capacity (EC) of delay constrained machine type communication (MTC) networks operating in the finite blocklength (FB) regime. First, we derive a closed-form mathematical approximation for the EC in Rayleigh…

Information Theory · Computer Science 2017-05-12 Mohammad Shehab , Endrit Dosti , Hirley Alves , Matti Latva-aho

We investigate the decays of the excited $(b\bar q)$ mesons as probes of the short-distance structure of the weak $\Delta B=1$ transitions. These states are unstable under the electromagnetic or strong interactions although their widths are…

High Energy Physics - Phenomenology · Physics 2016-04-13 Benjamín Grinstein , Jorge Martin Camalich