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We discuss the off-shell renormalization properties of the abelian Higgs model in the unitary gauge. The model is not renormalizable according to the usual power counting rules. In this paper, however, we show that with a proper choice of…

High Energy Physics - Theory · Physics 2016-09-06 Hidenori Sonoda

We study the renormalization group of generic effective field theories that include gravity. We follow the on-shell amplitude approach, which provides a simple and efficient method to extract anomalous dimensions avoiding complications from…

High Energy Physics - Theory · Physics 2022-04-13 Pietro Baratella , Dominik Haslehner , Maximilian Ruhdorfer , Javi Serra , Andreas Weiler

The full off-shell one loop renormalization for all divergent amplitudes up to dimension 6 in the Abelian Higgs-Kibble model, supplemented with a maximally power counting violating higher-dimensional gauge-invariant derivative interaction…

High Energy Physics - Phenomenology · Physics 2019-09-11 Daniele Binosi , Andrea Quadri

We summarize results for local and global properties of the effective potential for the Higgs boson obtained from the functional renormalization group, which allows to describe the effective potential as a function of both scalar field…

High Energy Physics - Phenomenology · Physics 2018-02-07 Holger Gies , René Sondenheimer

A new way how to calculate the off-shell renormalization functions within the $R^2$-gravity has been proposed. The one-loop renormalization group equations in the approach suggested have been constructed. The behaviour of effective…

High Energy Physics - Theory · Physics 2009-10-30 M. Yu. Kalmykov , D. I. Kazakov

We consider the scalar sector of the effective non-linear electroweak Lagrangian with a light "Higgs" particle, up to four derivatives in the chiral expansion. The complete off-shell renormalization procedure is implemented, including one…

High Energy Physics - Phenomenology · Physics 2015-06-22 M. B. Gavela , K. Kanshin , P. A. N. Machado , S. Saa

We study the one-loop renormalization the standard model with anomalous Higgs couplings ($O(p^2)$) by using the background field method, and provide the whole divergence structure at one loop level. The one-loop divergence structure…

High Energy Physics - Phenomenology · Physics 2007-05-23 Qi-Shu Yan , Dong-Sheng Du

We present the Renormalization Group improvement of the Twin Higgs effective potential at cubic order in logarithmic accuracy. We first introduce a model-independent low-energy effective Lagrangian that captures both the…

High Energy Physics - Phenomenology · Physics 2016-11-22 Davide Greco , Kin Mimouni

Branchina et al and Consoli have recently shown that the one-loop effective potential (1LEP) of massless lambda-phi**4 theory can be renormalized in two distinct ways. One of these is the conventional renormalization of Coleman and…

High Energy Physics - Phenomenology · Physics 2009-10-22 R. Ibanez-Meier , P. M. Stevenson

Renormalization of two-loop divergent corrections to the vacuum expectation values (v_1, v_2) of the two Higgs doublets in the minimal supersymmetric standard model, and their ratio $\tan\beta=v_2/v_1$, is discussed for general R_{\xi}…

High Energy Physics - Phenomenology · Physics 2007-05-23 Youichi Yamada

The framework of the electroweak chiral Lagrangian with a light Higgs is extended by an additional scalar and then generalized to N scalars in the Higgs sector. Divergences from scalar fluctuations are renormalized up to one loop using the…

High Energy Physics - Phenomenology · Physics 2022-04-19 Andreas Lindner , Khoirul Faiq Muzakka

We consider renormalisable models extended in the scalar sector by a generic scalar field in addition to the standard model Higgs boson field, and work out the effective theory for the latter in the decoupling limit. We match the full…

High Energy Physics - Phenomenology · Physics 2015-10-28 Cheng-Wei Chiang , Ran Huo

The conventional interpretation of the one-loop effective potentials of the Higgs field in the Standard Model and the gravitino condensate in dynamically broken supergravity is that these theories are unstable at large field values. A…

High Energy Physics - Theory · Physics 2017-05-18 Carl M. Bender , Daniel W. Hook , Nick E. Mavromatos , Sarben Sarkar

Examining the Higgs sector at high energy scales through off-shell Higgs production can potentially shed light on the naturalness problem of the Higgs mass. We propose such a study at the LHC by utilizing a representative model with a new…

High Energy Physics - Phenomenology · Physics 2018-07-04 Dorival Goncalves , Tao Han , Satyanarayan Mukhopadhyay

We perform the complete one-loop renormalization of a general two-Higgs-doublet model. We present all the vertices for this model including the ones in the scalar sector and calculate all the counterterms of the theory.

High Energy Physics - Phenomenology · Physics 2009-10-30 R. Santos , A. Barroso

A one-loop effective potential of the Higgs field on the Schwarzschild background is derived in the framework of a toy model: a SO(N) scalar multiplet interacting with the gauge fields, the SO(N) gauge symmetry being broken by the Higgs…

General Relativity and Quantum Cosmology · Physics 2010-03-25 P. O. Kazinski

The structure of the Higgs sector in the minimal supersymmetric standard model is reviewed at the one-loop level. An on-shell renormalization scheme of the MSSM Higgs sector is presented in detail together with the complete list of formulae…

High Energy Physics - Phenomenology · Physics 2011-07-19 A. Dabelstein

The autonomous renormalization of the O(N)-symmetric scalar theory is based on an infinite re-scaling of constant fields, whereas finite-momentum modes remain finite. The natural framework for a detailed analysis of this method is a system…

High Energy Physics - Theory · Physics 2009-10-22 Uwe Ritschel

Renormalization of two-loop divergent corrections to the vacuum expectation values (v_1, v_2) of the two Higgs doublets in the minimal supersymmetric standard model, and their ratio tan beta=v_2/v_1, is discussed for general R_xi gauge…

High Energy Physics - Phenomenology · Physics 2009-11-07 Youichi Yamada

It is shown that the Sigma-Omega model which is widely used in the study of nuclear relativistic many-body problem can exactly be treated as an Abelian massive gauge field theory. The quantization of this theory can perfectly be performed…

Nuclear Theory · Physics 2009-11-10 Jun-Chen Su , Hai-Jhun Wanng
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