نتایج جستجو برای: doublet mechanics

تعداد نتایج: 146985  

2003
John F. Gunion Howard E. Haber

A CP-even neutral Higgs boson with standard-model-like couplings may be the lightest scalar of a twoHiggs-doublet model. We study the decoupling limit of the most general CP-conserving two-Higgs-doublet model, where the mass of the lightest Higgs scalar is significantly smaller than the masses of the other Higgs bosons of the model. In this case, the properties of the lightest Higgs boson are n...

1997
E. Keith

If the recently discovered anomalous events at HERA are due to a scalar leptoquark, then it is very likely to have weak isospin I = 1/2. In that case, present precision measurements of the oblique radiative parameters S and T provide strong constraints on the mass of the other component of this doublet. If the standard model is extended to include such a doublet, a slightly better fit may in fa...

رابعی, اردشیر, رضایی, سودابه,

 The phase space which is related to the motion of massive particle on 1+3- De sitter space is a 3-dimensional complex sphere. Our main aim in this study is discribing this movement in the frame quantum mechanics. Transfering from classical mechanic to quantum mechanics is possible by means of coherent states. Thus, after determination of this state, we quantize some of the classical observables.

Journal: :Nuclear Physics B 2022

We construct a composite two-Higgs-doublet model (2HDM) within the context of dilaton effective field theory. This EFT describes particle spectrum observed in lattice simulations near-conformal $SU(3)$ gauge A second Higgs doublet is naturally accommodated EFT, used previously to one-Higgs-doublet model. explore interplay phenomenological and requirements, supplemented by information from numer...

A Dourandish, E Naderi, M Seifnaraghi,

Background: The emerging world of work requires the acquisition of a set of non-technical competencies with technical competencies in a career for sustainable employment. This paper aims at designing and validating a model for integrating the ethical components with technical competencies in curriculum based on competency in industrial mechanics’ branch. Method: The research approach is based ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1960
W Gordy H Shields

Earlier studies1' 2 of electron spin resonance of free radicals produced by ionizing irradiations in proteins revealed two characteristic patterns which occur for many different kinds of proteins at room temperatures, usually separately but sometimes in combination. One of these patterns is a doublet like that observed for irradiated acetylglycine, glycylglycine, and certain other peptides.1' 3...

Journal: :Journal of colloid and interface science 2004
Ganesan Narsimhan

The proposed model views drop coalescence in a turbulent flow field as a two-step process consisting of formation of a doublet due to drop collisions followed by coalescence of the individual droplets in a doublet due to the drainage of the intervening film of continuous phase under the action of colloidal (van der Waals and electrostatic) and random turbulent forces. The turbulent flow field w...

Journal: :Angewandte Chemie 2004
Lyudmila V Slipchenko Tamara E Munsch Paul G Wenthold Anna I Krylov

electrons, that is, an “open-shell doublet.” Although low-spin, open-shell states occur in molecules containing transition metals, the ground states of organic molecules are rarely of this type. Organic biradicals can have open-shell singlet ground states, depending on the orbital structure, but DMX is the first example of an organic triradical with an open-shell doublet ground state. Qualitati...

2017
Mark S. Walker William Wong Arliene Ravelo Paul J. E. Miller Lee S. Schwartzberg

BACKGROUND Treatment options for advanced nonsquamous non-small cell lung cancer (NSCLC) in the first line include platinum-based doublet therapy with or without bevacizumab. This study examined efficacy outcomes and patient reported outcomes (PROs) in a community oncology patient sample. METHODS Advanced nonsquamous NSCLC patients from 34 U.S. community oncology practices treated in first li...

Journal: :Annals of oncology : official journal of the European Society for Medical Oncology 2016
D Raggi R Miceli G Sonpavde P Giannatempo L Mariani M D Galsky J Bellmunt A Necchi

BACKGROUND The efficacy and safety of a combination of chemotherapeutic agent compared with single-agent chemotherapy in the second-line setting of advanced urothelial carcinoma (UC) are unclear. We aimed to study the survival impact of single-agent compared with doublet chemotherapy as second-line chemotherapy of advanced UC. PATIENTS AND METHODS Literature was searched for studies including...

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