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The standard model of elementary interactions has long qualified as a theory of matter, in which the postulated conservation laws (one baryonic and three leptonic) acquire theoretical meaning. However, recent observations of lepton number…

High Energy Physics - Phenomenology · Physics 2021-03-05 Francesco Vissani

We review and extend existing frameworks on modeling to develop a new framework that describes model-based reasoning in upper-division physics labs. Constructing and using models are core scientific practices that have gained significant…

Physics Education · Physics 2015-10-28 Benjamin M. Zwickl , Dehui Hu , Noah Finkelstein , H. J. Lewandowski

After reviewing charge conjugation and the CPT theorem, we define Majorana fermions and clarify the relationship of Majorana, Weyl, and Dirac fields. Appearance of Majorana fermions in various scenarios of physics beyond the Standard Model…

High Energy Physics - Phenomenology · Physics 2024-05-31 Ken-ichi Hikasa

Nonzero neutrino masses are the first definitive need to extend the standard model. After reviewing the basic framework, I describe the status of some of the major issues, including tests of the basic framework of neutrino masses and…

High Energy Physics - Phenomenology · Physics 2009-11-10 Paul Langacker

After a decade and a half of research motivated by the accelerating universe, theory and experiment have a reached a certain level of maturity. The development of theoretical models beyond \Lambda, or smooth dark energy, often called…

Cosmology and Nongalactic Astrophysics · Physics 2015-02-25 Austin Joyce , Bhuvnesh Jain , Justin Khoury , Mark Trodden

The contribution contains the preface to the Proceedings to the 16th Workshop What Comes Beyond the Standard Models, Bled, July 14 - 21, 2013, published in Bled workshops in physics, Vol.14, No. 2, DMFA-Zalo\v{z}nistvo, Ljubljana, Dec.…

High Energy Physics - Phenomenology · Physics 2014-03-19 N. S. Mankoč Borštnik , H. F. B. Nielsen , M. Y. Khlopov , D. Lukman

Within the framework of the Standard Model, the scale of electroweak symmetry breaking is unstable to radiative corrections. We discuss two broad classes of models of new physics (one with a strongly interacting and the other with a…

High Energy Physics - Phenomenology · Physics 2009-09-25 Xerxes Tata

An overview of experimental results on searches for new phenomena at HERA is presented. The complementarity with searches performed at other experiments is discussed and the prospects for a discovery, using the full HERA data to be…

High Energy Physics - Experiment · Physics 2017-08-23 E. Perez

I review the observational status of neutrino physics, including the present hints for neutrino mass and the ways to reconcile the solar and atmospheric neutrino data with the existence of a hot dark matter component, and the possible hints…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jose W. F. Valle

The Standard Model of Particle Physics has been verified to unprecedented precision in the last few decades. However there are still phenomena in nature which cannot be explained, and as such new theories will be required. Since terrestrial…

High Energy Physics - Phenomenology · Physics 2008-12-25 Chris Bird

While the Standard Model of particle physics is a very successful theory and has been tested to hold with great precision in numerous experiments, it still leaves a number of open questions. Among those are the matter-antimatter asymmetry…

High Energy Physics - Experiment · Physics 2019-08-13 Ruth Pöttgen

A personal view of current prospectives in particle physics is presented, inspired by the contributions to this meeting. Particular emphasis is laid in precision tests of the Standard Model and the search for the Higgs boson, on probes of…

High Energy Physics - Phenomenology · Physics 2007-05-23 John Ellis

The Standard Model of Particle Physics has proven to be tremendously successful as the fundamental theory that describes the elementary particles that compose our Universe, as well as the interactions among them. Despite the countless…

High Energy Physics - Phenomenology · Physics 2024-09-09 Manuel González-López

We discuss the motivation and the phenomenology of models with either flat or warped extra dimensions. We describe the typical mass spectrum and discovery signatures of such models at the LHC. We also review several proposed methods for…

High Energy Physics - Phenomenology · Physics 2010-01-28 Kyoungchul Kong , Konstantin Matchev , Geraldine Servant

We describe the present status of the Unitarity Triangle and we give an outlook for its future determinations. We discuss new sets of fundamental flavour parameters and comment briefly on new physics beyond the Standard Model.

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrzej J. Buras

The contribution contains the preface to the Proceedings to the 18th Workshop "What Comes Beyond the Standard Models", Bled, July 11 - 19, 2015, published in Bled workshops in physics, Vol.16, No. 2, DMFA-Zaloznistvo, Ljubljana, Dec. 2015,…

High Energy Physics - Phenomenology · Physics 2016-11-30 N. S. Mankoc Borstnik , H. F. B. Nielsen , M. Y. Khlopov , D. Lukman

The aim of "A glance beyond the quantum model" [arXiv:0907.0372] to modernize the Correspondence Principle is compromised by an assumption that a classical model must start with the idea of particles, whereas in empirical terms particles…

Quantum Physics · Physics 2010-02-01 Peter Morgan

Particle physics has evolved a coherent model that characterizes forces and particles at the most elementary level. This Standard Model, built from many theoretical and experimental studies, is in excellent accord with almost all current…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mary K. Gaillard , Paul D. Grannis , Frank J. Sciulli

There are many theories that have resided these last fifty years within the hazy mist we have been calling the Standard Model (SM) of elementary particles. An attempt is made here to construct a coherent description of the SM today, because…

History and Philosophy of Physics · Physics 2019-11-25 James D. Wells

The present observational status of neutrino physics is sketched, with emphasis on the hints that follow from solar and atmospheric neutrino observations, as well as dark matter. I also briefly review the ways to account for the observed…

High Energy Physics - Phenomenology · Physics 2009-09-17 J. W. F. Valle