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Related papers: Higgs mass and inflation

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We discuss the lower Higgs boson mass bounds which come from the absolute stability of the Standard Model (SM) vacuum and from the Higgs inflation, as well as the prediction of the Higgs boson mass coming from asymptotic safety of the SM.…

High Energy Physics - Phenomenology · Physics 2015-06-05 Fedor Bezrukov , Mikhail Yu. Kalmykov , Bernd A. Kniehl , Mikhail Shaposhnikov

The fit of precision electroweak data to the Minimal Standard Model currently gives an upper limit on the Higgs boson mass of 170 GeV at 95% confidence. Nevertheless, it is often said that the Higgs boson could be much heavier in more…

High Energy Physics - Phenomenology · Physics 2009-09-25 Michael E. Peskin , James D. Wells

After reviewing briefly the upper bounds on the mass of the lightest Higgs boson in the most general unconstrained minimal supersymmetric extension of the Standard Model, we discuss various arguments which reduce the parameter space of the…

High Energy Physics - Phenomenology · Physics 2016-11-03 P. H. Chankowski , Pokorski

We present three features which can be used to distinguish the R^2-inflation Higgs-inflation from with ongoing, upcoming and planned experiments, assuming no new physics (apart form sterile neutrinos) up to inflationary scale. (i) Slightly…

High Energy Physics - Phenomenology · Physics 2012-08-30 Fedor Bezrukov , Dmitry Gorbunov

We assume the vanishing of the quadratic divergences in the $SU(2)_L \otimes U(1)$ electroweak theory. Using $\,$ the $\,$ top $\,$ mass $\,$ value reported recently by the CDF Collaboration $m_t = 176 \pm 8 \pm 10 GeV$, we predict the mass…

High Energy Physics - Phenomenology · Physics 2015-06-25 G. López Castro , J. Pestieau

We have recently suggested [1,2] that Inflation could have started in a local minimum of the Higgs potential at field values of about $10^{15}-10^{17}$ GeV, which exists for a narrow band of values of the top quark and Higgs masses and thus…

High Energy Physics - Phenomenology · Physics 2015-06-04 Isabella Masina , Alessio Notari

The potential of a linear e+e- collider operated at a centre-of-mass energy of 350 GeV is studied for the measurement of the Higgs boson mass. An integrated luminosity of 500 fb-1 is assumed. For Higgs boson masses of 120, 150 and 180 GeV…

High Energy Physics - Experiment · Physics 2015-06-25 P. Garcia-Abia , W. Lohmann , A. Raspereza

We investigate an inflation model with the inflaton being identified with a Higgs boson responsible for the breaking of U(1)B-L symmetry. We show that supersymmetry must remain a good symmetry at scales one order of magnitude below the…

High Energy Physics - Phenomenology · Physics 2012-03-13 Kazunori Nakayama , Fuminobu Takahashi

The LEP Collaborations have reported a small excess of events in their combined Higgs boson analysis at center of mass energies up to about 208 GeV. In this communication, I present the result of a calculation of the probability…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jens Erler

We study the cosmological perturbations created during the New Higgs inflationary phase. In the New Higgs Inflation, the Higgs boson is kinetically coupled to the Einstein tensor and only three perturbative degrees of freedom, a scalar and…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Cristiano Germani , Alex Kehagias

In the unified subquark model of all fundamental particles and forces, the mass of the Higgs boson in the standard model of electroweak interactions ($m_H$) is predicted to be about $2\sqrt{6}m_W/3$ (where $m_W$ is the mass of the charged…

High Energy Physics - Phenomenology · Physics 2016-10-04 Hidezumi Terazawa , Masaki Yasue

We briefly summarize some searches for Higgs bosons with a mass of m_phi <= 110 GeV at LEP and the LHC. We discuss a possible signal in the diphoton decay mode at m_phi = 96 GeV as reported by CMS, together with a 2 sigma hint in the bb…

High Energy Physics - Phenomenology · Physics 2018-12-17 S. Heinemeyer , T. Stefaniak

We discuss the triviality and spontaneous symmetry breaking scenario where the Higgs boson without self-interaction coexists with spontaneous symmetry breaking. We argue that non perturbative lattice investigations support this scenario.…

High Energy Physics - Phenomenology · Physics 2011-11-10 Paolo Cea , Leonardo Cosmai

If the Higgs boson has a mass below 130 GeV, then the standard model vacuum is unstable; if it has a mass below 90 GeV (i.e. within reach of LEP within the next two years), then the instability will occur at a scale between 800 GeV and 10…

High Energy Physics - Phenomenology · Physics 2015-06-25 P. Q. Hung , Marc Sher

Higgs inflation is attractive because it identifies the inflaton with the electroweak Higgs boson. In this work, we construct a new class of supersymmetric Higgs inflationary models in the no-scale supergravity with an SU(5) GUT group.…

High Energy Physics - Phenomenology · Physics 2015-01-22 John Ellis , Hong-Jian He , Zhong-Zhi Xianyu

It has recently been suggested that the Standard Model Higgs boson could act as the inflaton while minimally coupled to gravity - given that the gravity sector is extended with an $\alpha R^2$ term and the underlying theory of gravity is of…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-03 Tommi Tenkanen

The CMS and ATLAS experiments at the LHC have announced the discovery of a Higgs boson with mass at approximately 125 $GeV/c^{2}$ in the search for the Standard Model Higgs boson via notably the $\gamma\gamma$ and $ZZ$ to four leptons final…

High Energy Physics - Phenomenology · Physics 2015-06-17 Fan Jia-Wei , Tao Jun-Quan , Shen Yu-Qiao , Chen Guo-Ming , Chen He-Sheng , S. Gascon-Shotkin , M. Lethuillier , L. Sgandurra , P. Soulet

An updated global analysis within the Standard Model (SM) of all relevant electroweak precision and Higgs boson search data is presented with special emphasis on the implications for the Higgs boson mass, M_H. Included are, in particular,…

High Energy Physics - Phenomenology · Physics 2015-03-13 Jens Erler

The data collected by the OPAL experiment at sqrts=183 GeV were used to search for Higgs bosons which are predicted by the Standard Model and various extensions, such as general models with two Higgs field doublets and the Minimal…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , G. Abbiendi et al

We demonstrate that a measurement of the Bjorken process $e^+e^-, \mu^+\mu^-\to ZH$ in the threshold region can yield a precise determination of the Higgs boson mass. With an integrated luminosity of $100 fb^{-1}$, it is possible to measure…

High Energy Physics - Phenomenology · Physics 2009-08-17 V. Barger , M. S. Berger , J. F. Gunion , T. Han
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