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A new method providing general consistency constraints for Beyond-the-Standard-Model (BSM) theories, using measurements at particle colliders, is presented. The method, `Constraints On New Theories Using Rivet', Contur, exploits the fact…

High Energy Physics - Phenomenology · Physics 2018-05-24 Jonathan M. Butterworth , David Grellscheid , Michael Krämer , Björn Sarrazin , David Yallup

We give a brief overview of beyond the Standard Model (BSM) theories with an extended scalar sector and their phenomenological status in the light of recent experimental results. We discuss the relevant theoretical and experimental…

High Energy Physics - Phenomenology · Physics 2018-05-01 Agnieszka Ilnicka , Tania Robens , Tim Stefaniak

The solution to fine tuning is one of the principal motivations for Beyond the Standard Model (BSM) Studies. However constraints on new physics indicate that many of these BSM models are also fine tuned (although to a much lesser extent).…

High Energy Physics - Phenomenology · Physics 2008-11-26 Peter Athron , D. J. Miller

The large and growing library of measurements from the Large Hadron Collider has significant power to constrain extensions of the Standard Model. We consider such constraints on a well-motivated model involving a gauged and…

High Energy Physics - Phenomenology · Physics 2020-01-09 S. Amrith , J. M. Butterworth , F. F. Deppisch , W. Liu , A. Varma , D. Yallup

Measurements at particle collider experiments, even if primarily aimed at understanding Standard Model processes, can have a high degree of model independence, and implicitly contain information about potential contributions from physics…

High Energy Physics - Phenomenology · Physics 2021-08-20 A. Buckley , J. M. Butterworth , L. Corpe , M. Habedank , D. Huang , D. Yallup , M. Altakach , G. Bassman , I. Lagwankar , J. Rocamonde , H. Saunders , B. Waugh , G. Zilgalvis

This article attempts to summarize the effort by the particle physics community in addressing the tedious work of determining the parameter spaces of beyond-the-standard-model (BSM) scenarios, allowed by data. These spaces, typically…

High Energy Physics - Phenomenology · Physics 2025-01-30 Rajneil Baruah , Subhadeep Mondal , Sunando Kumar Patra , Satyajit Roy

Spectroscopy of muonic atoms is, to date, the most accurate technique to extract parameters of the nuclear charge density. The same reasons for their heightened sensitivity to nuclear parameters, a large overlap of the muonic wavefunction…

Atomic Physics · Physics 2025-12-19 K. A. Beyer , N. S. Oreshkina

We present a method for the inclusion of finite width effects in the simulation of Beyond Standard Model (BSM) physics. In order to test the validity of the method we compare our results with matrix elements for a range of production and…

High Energy Physics - Phenomenology · Physics 2008-05-21 M. A. Gigg , P. Richardson

There can arise ubiquitous ultra-light scalar fields in the Universe, such as the pseudo-Goldstone bosons from the spontaneous breaking of an approximate symmetry, which can make a partial contribution to the dark matter and affect the…

High Energy Physics - Phenomenology · Physics 2015-06-18 Kenji Kadota , Yi Mao , Kiyomoto Ichiki , Joseph Silk

We construct the New Minimal Standard Model that incorporates the new discoveries of physics beyond the Minimal Standard Model (MSM): Dark Energy, non-baryonic Dark Matter, neutrino masses, as well as baryon asymmetry and cosmic inflation,…

High Energy Physics - Phenomenology · Physics 2009-09-29 Hooman Davoudiasl , Ryuichiro Kitano , Tianjun Li , Hitoshi Murayama

With the advent of a new generation of neutrino experiments which leverage high-intensity neutrino beams for precision measurements, it is timely to explore physics topics beyond the standard neutrino-related physics. Given that the realm…

The measurements of the statistical properties of the Cosmic Microwave Background (CMB) fluctuations enable us to probe the physics of the very early Universe especially at the epoch of inflation. A particular interest lays on the detection…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-07 S. Pires , S. Plaszczynski , A. Lavabre

To explaine the matter-antimatter asymmetry, a supersymmetric extention of the standard model is proposed where baryon and lepton numbers are local gauged(BLMSSM), and exotic superfields are introduced when gauge group is enlarged to…

High Energy Physics - Phenomenology · Physics 2017-08-23 Hui Li , Jian-Bin Chen , Li-Li Xing

The modern Standard cosmological model of inflationary Unvierse and baryosynthesis deeply involves particle theory beyond the Standard model (BSM). Inevitably, models of BSM physics lead to cosmological scenarios beyond the Standard…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-11 Maxim Yu. Khlopov

Benchmarks for beyond the Standard Model (BSM) searches are mostly constructed around particular features of interest related to the experiment under consideration without giving due address to the results from other experiments. In this…

High Energy Physics - Phenomenology · Physics 2024-12-04 S. AbdusSalam , S. S. Barzani , M. Mohammadidoust , S. A. Ojaghi , L. Velasco-Sevilla

Neutrino oscillations are a phenomenon that has been observed for over two decades and leads to the conclusion that neutrinos have mass. The Standard Model predicts massless neutrinos, and so neutrinos require physics beyond the Standard…

High Energy Physics - Phenomenology · Physics 2025-10-10 Kevin J. Kelly

Unparticle contributions to the recently measured decay mode $B_s\to\mu^+\mu^-$ are analyzed. We consider only the scalar unparticles because vector unparticles are expected to provide negligible contributions. Assuming that the relevant…

High Energy Physics - Phenomenology · Physics 2013-12-16 Jong-Phil Lee

Recently, a conceptually new physics beyond the Standard Model (SM), unparticle, has been proposed, where a hidden conformal sector is coupled to the SM sector through higher dimensional operators. In this setup, we investigate unparticle…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tatsuru Kikuchi , Nobuchika Okada , Michihisa Takeuchi

The Conformal Standard Model (CSM) is a minimal extension of the Standard Model of Particle Physics based on the assumed absence of large intermediate scales between the TeV scale and the Planck scale, which incorporates only right-chiral…

High Energy Physics - Phenomenology · Physics 2018-03-07 Adrian Lewandowski , Krzysztof A. Meissner , Hermann Nicolai

We report on recent results obtained by the Belle II experiment related to searches for beyond-the-standard-model physics. The $B$ meson decay data sample used corresponds to an integrated luminosity of $L = 189$ fb$^{-1}$. In recent years,…

High Energy Physics - Experiment · Physics 2023-08-15 Roberta Volpe , Belle II Collaboration
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