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3-flavor quark matter (strange quark matter; SQM) can be stable or metastable for a wide range of strong interaction parameters. If so, SQM can play an important role in cosmology, neutron stars, cosmic ray physics, and relativistic…

Astrophysics · Physics 2014-10-13 Jes Madsen

I present a review of using rare B decays to search for physics beyond the Standard Model. B decays that proceed either through annihilation or loop topologies at leading order in the Standard Model provide unique probes in the search for…

High Energy Physics - Experiment · Physics 2007-05-23 Owen Long

This is a brief pedagogic introduction to searches for new physics with top quarks. It covers indirect searches for heavy new particles based on standard model effective theory and direct searches for new signatures of a light hidden…

High Energy Physics - Phenomenology · Physics 2019-12-05 Susanne Westhoff

We discuss the potential of $\tau$-charm and B factories for the search of new physics through the study of rare $\tau$ decays. We consider decays that involve the violation of lepton flavour conservation. Such decays bear a close…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Alemany , J. J. Gomez-Cadenas , M. C. Gonzalez-Garcia , J. W. F. Valle

This Resource Letter provides a guide to literature on the Standard Model of elementary particles and possible extensions. In the successful theory of quarks and leptons and their interactions, important questions remain, such as the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jonathan L. Rosner

In these four lectures I review the theory and phenomenology of weak decays of quarks, and their r\^ole in the determination of the parameters of the Standard Model of particle physics, in testing subtle features of the theory and in…

High Energy Physics - Phenomenology · Physics 2009-09-25 C. T. Sachrajda

Nuclear double-beta decays are a unique probe to search for new physics beyond the Standard Model. Still-unknown particles, non-standard interactions, or the violation of fundamental symmetries would affect the decay kinematic, creating…

High Energy Physics - Experiment · Physics 2024-04-25 E. Bossio , M. Agostini

Precision studies of flavour-changing processes involving quarks and leptons provide a number of ways to improve knowledge of the Standard Model and search for physics beyond it. There are excellent short- and mid-term prospects for…

High Energy Physics - Experiment · Physics 2025-05-07 The ATLAS Collaboration , Belle II Collaboration , CMS Collaboration , LHCb Collaboration

We review here the physics of purely leptonic decays of pi-, K-, D+, Ds+, and B- pseudoscalar mesons. The measured decay rates are related to the product of the relevant weak interaction based CKM matrix element of the constituent quarks…

High Energy Physics - Experiment · Physics 2008-06-07 Jonathan L. Rosner , Sheldon Stone

In the Standard Model (SM), the rare transitions where a bottom quark decays into a strange quark and a pair of light leptons exhibit a potential sensitivity to physics beyond the SM. In addition, the SM embeds Lepton Flavour Universality…

High Energy Physics - Phenomenology · Physics 2018-02-14 Bernat Capdevila , Andreas Crivellin , Sébastien Descotes-Genon , Joaquim Matias , Javier Virto

Rare $K \to \pi \nu \bar \nu$ decays, being dominated by short distance contributions within the Standard Model (SM), open a window for New Physics (NP) searches at low energies. The $ K \to \pi \nu \bar\nu $ branching ratios are expected…

High Energy Physics - Phenomenology · Physics 2022-10-19 S. Fajfer , N. Košnik , L. Vale Silva

Decays of the kind $B^0_{s,d}\to\ell^+\ell^-$ belong to the most favourable processes for probing the flavour structure of the Standard Model, with outstanding sensitivity to new (pseudo)-scalar contributions. While the branching ratio of…

High Energy Physics - Phenomenology · Physics 2018-05-16 Robert Fleischer

Precision measures of electroweak and flavour observables, at both low and high energies, are highly complementary to direct searches for New Physics at high-energy colliders. Despite the discovery of the Higgs boson at the Large Hadron…

High Energy Physics - Phenomenology · Physics 2022-03-01 Jonathan Kriewald

Quark and lepton flavor physics presents us with a basic question: Can we understand the pattern of masses and mixings of the known quarks and leptons, and how do present and proposed measurements help to advance that goal? Topics discussed…

High Energy Physics - Phenomenology · Physics 2013-10-02 Jonathan L. Rosner

Rare decays of heavy-flavoured particles provide an ideal laboratory to look for deviations from the Standard Model, and explore energy regimes beyond the LHC reach. Decays proceeding via electroweak penguin diagrams are excellent probes to…

High Energy Physics - Experiment · Physics 2017-05-09 Simone Bifani

Kaon physics provides a unique opportunity to identify new flavour and CP violating interactions beyond the Standard Model (SM). In the SM, implied by the hierarchical structure of the CKM matrix and the GIM mechanism, flavour changing…

High Energy Physics - Phenomenology · Physics 2013-05-27 Monika Blanke

One of the fundamental predictions of the Standard Model is Lepton Flavour Universality. Any deviation from this prediction would indicate the existence of physics beyond the Standard Model. Recent LHCb measurements present a pattern of…

High Energy Physics - Phenomenology · Physics 2018-08-21 Yoav Afik , Jonathan Cohen , Eitan Gozani , Enrique Kajomovitz , Yoram Rozen

For well over half a century, precision studies of neutron and nuclear $\beta$ decays have been at the forefront of searches for exotic electroweak physics. Recent advances in nuclear ab initio theory and the widespread use of effective…

Nuclear Theory · Physics 2025-01-28 Leendert Hayen

Thanks to the large cross-section for the production of strange and charm mesons at the Large Hadron Collider, LHCb has recently performed several new explorations of rare transitions that are highly suppressed or forbidden by the Standard…

High Energy Physics - Experiment · Physics 2024-04-01 Paras Naik

The status of tests of the standard electroweak model and of searches for new physics in allowed nuclear $\beta$ decay and neutron decay is reviewed including both theoretical and experimental developments. The sensitivity and…

High Energy Physics - Phenomenology · Physics 2018-12-05 Martin Gonzalez-Alonso , Oscar Naviliat-Cuncic , Nathal Severijns