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Related papers: Constraining New Physics from D0-anti-D0 mixing

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The B-meson system offers interesting probes for the search of physics beyond the Standard Model. After addressing possible signals of new-physics contributions to the B -> phi K and B -> pi K decay amplitudes, we focus on the data for…

High Energy Physics - Phenomenology · Physics 2011-03-23 Robert Fleischer

The local measurement of $H_0$ is in tension with the prediction of $\Lambda$CDM model based on the Planck data. This tension may imply that dark energy is strengthened in the late-time Universe. We employ the latest cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2016-10-25 Dong-Mei Xia , Sai Wang

Searches for New Physics focus either on the direct production of new particles at colliders or at deviations from known observables at low energies. In order to discover New Physics in precision measurements, both experimental and…

High Energy Physics - Phenomenology · Physics 2020-07-28 Wolfgang Gregor Hollik , Matthias Linster , Mustafa Tabet

The discovery of New Physics, using weak decays of mesons is difficult due to intractable strong interaction effects needed to describe it. We show how the multitude of "related observables" obtained from B\to K^* \ell^+\ell^-, can provide…

High Energy Physics - Phenomenology · Physics 2012-02-24 Diganta Das , Rahul Sinha

The successful operation of the {\em Large Hadron Collider} (LHC) during the past two years allowed to explore particle interaction in a new energy regime. Measurements of important Standard Model processes like the production of high-\pt\…

High Energy Physics - Experiment · Physics 2012-07-02 Karl Jakobs

We revisit the constraints on semileptonic operators derived from the mono-$\tau$ high-$p_T$ events in $pp$ collisions at LHC. Like in previous studies, we obtain limits on the New Physics couplings from the CMS data much stronger than from…

High Energy Physics - Phenomenology · Physics 2022-07-06 Florentin Jaffredo

In these Lectures I review possible constraints on particle physics models, obtained by means of combining the results of collider measurements with astrophysical data. I emphasize the theoretical-model dependence of these results. I…

High Energy Physics - Phenomenology · Physics 2017-08-23 Nikolaos E. Mavromatos

I report on investigations of physics beyond the Standard Model using experiments designed to investigate $b$ quark and $c$ quark interactions. Generalized searches involving loop diagrams using heavy meson mixing and CP violation…

High Energy Physics - Phenomenology · Physics 2013-07-02 Sheldon Stone

Recent measurements in the charm sector are reviewed, concentrating on results which are sensitive to New Physics effects. The scope of the presentation includes D0-D0bar mixing searches, a CPT / Lorentz invariance study, and a range of…

High Energy Physics - Experiment · Physics 2008-11-26 B. D. Yabsley

Hadron collisions at the LHC offer a unique opportunity to study strong interactions. The exciting data collected by the four RHIC experiments suggest that in heavy-ion collisions at sqrt(s_NN) = 200 GeV, an equilibrated, strongly-coupled…

Nuclear Experiment · Physics 2007-05-23 Christof Roland

After reviewing the present experimental constraints on the unitarity triangle, I discuss the various ways in which new physics can manifest itself in measurements of the parameters of the unitarity triangle. Apart from one exception, which…

High Energy Physics - Phenomenology · Physics 2009-10-30 David London

Recent measurements of $R_{D^*}$ have reduced tension with the Standard Model prediction. Taking all the present data into account, we obtain the values of the Wilson coefficients of each new physics four-fermion operator of a given Lorentz…

High Energy Physics - Phenomenology · Physics 2018-10-01 Ashutosh Kumar Alok , Dinesh Kumar , Jacky Kumar , Suman Kumbhakar , S Uma Sankar

The recent observational evidence for the current cosmic acceleration have stimulated renewed interest in alternative cosmologies, such as scenarios with interaction in the dark sector (dark matter and dark energy). In general, such models…

Cosmology and Nongalactic Astrophysics · Physics 2009-10-22 R. S. Goncalves , J. S. Alcaniz , A. Dev , D. Jain

Saturation physics is expected to be relevant at sufficiently small parton momentum fractions $x$ in high-energy proton- (or deuteron-)ion collisions at RHIC and the LHC. Accordingly, these collisions provide the best available testing…

High Energy Physics - Phenomenology · Physics 2015-11-03 David Zaslavsky

New physics at high energy scale often contributes to K-\bar K and D-\bar D mixings in an approximately SU(2)_L invariant way. In such a case, the combination of measurements in these two systems is particularly powerful. The resulting…

High Energy Physics - Phenomenology · Physics 2009-06-30 Kfir Blum , Yuval Grossman , Yosef Nir , Gilad Perez

High-energy diboson processes at the LHC are potentially powerful indirect probes of heavy new physics, whose effects can be encapsulated in higher-dimensional operators or in modified Standard Model couplings. An obstruction however comes…

High Energy Physics - Phenomenology · Physics 2020-07-21 Giuliano Panico , Francesco Riva , Andrea Wulzer

We show that heavy ion collisions at the LHC provide a promising environment to search for new long lived particles in well-motivated New Physics scenarios. One advantage lies in the possibility to operate the main detectors with looser…

High Energy Physics - Phenomenology · Physics 2020-02-25 Marco Drewes , Andrea Giammanco , Jan Hajer , Michele Lucente , Olivier Mattelaer

The Large Hadron Collider can do precision physics at a level that is competitive with electroweak precision constraints when probing physics beyond the Standard Model. We present a simple yet general parameterization of the effect of an…

High Energy Physics - Phenomenology · Physics 2013-11-27 J. de Blas , M. Chala , Jose Santiago

Despite a wealth of experimental data for high p_T processes in heavy-ion collisions, discriminating between different models of hard parton-medium interactions has been difficult. One important reason is that the pQCD parton spectrum at…

High Energy Physics - Phenomenology · Physics 2015-03-19 Thorsten Renk