English
Related papers

Related papers: Prospects for SME Tests with Experiments at SYRTE …

200 papers

We explore the potential of reactor antineutrino-induced Coherent Elastic Neutrino-Nucleus Scattering (CE$\nu$NS) data from the CONUS+ experiment to investigate both the Standard Model (SM) and Beyond Standard Model (BSM) scenarios.…

High Energy Physics - Phenomenology · Physics 2025-04-09 Ayan Chattaraj , Anirban Majumdar , Rahul Srivastava

This proceeding describes the experimental results presented at the TOP2014 conference on searches for physics beyond the standard model in final states containing top quarks by the ATLAS and CMS experiments at the LHC. The searches…

High Energy Physics - Experiment · Physics 2015-01-12 ATLAS , CMS collaborations , Florencia Canelli

Recent measurements dedicated to improving the understanding of modelling top quark pair (${\text{t}\overline{\text{t}}}$) production at the LHC are summarised. These measurements, performed with proton-proton collision data collected by…

High Energy Physics - Experiment · Physics 2019-01-17 Emyr Clement

Flavour physics represents a unique test bench for the Standard Model (SM). New analyses performed at the LHC experiments are now providing unprecedented insights into CKM metrology and new evidences for rare decays. The CKM picture can…

The goal of the LHCb experiment is the indirect search for New Physics through precision measurements of B-decays. A short description of the detector and its performance after the first data taking in 2009 and 2010 will be presented. In…

High Energy Physics - Experiment · Physics 2010-11-12 Christian Linn

The Atomic Clocks Ensemble in Space (ACES/PHARAO mission), which will be installed on board the International Space Station (ISS), uses a dedicated two-way Micro-Wave Link (MWL) in order to compare the timescale generated on board with…

Space Physics · Physics 2012-06-28 P. Delva , F. Meynadier , P. Wolf , C. Le Poncin-Lafitte , P. Laurent

A search for new physics is performed using events with isolated same-sign leptons and at least two bottom-quark jets in the final state. Results are based on a sample of proton-proton collisions collected at a center-of-mass energy of 8…

High Energy Physics - Experiment · Physics 2013-07-25 CMS Collaboration

The Weak Equivalence Principle (WEP) and the local Lorentz invariance (LLI) are two major assumptions of General Relativity (GR). The MICROSCOPE mission, currently operating, will perform a test of the WEP with a precision of $10^{-15}$.…

General Relativity and Quantum Cosmology · Physics 2017-06-01 H. Pihan-Le Bars , C. Guerlin , P. Wolf

A measurement of the underlying activity in scattering processes with a hard scale in the several GeV region is performed in proton-proton collisions at sqrt(s) = 0.9 and 7 TeV, using data collected by the CMS experiment at the LHC. The…

High Energy Physics - Experiment · Physics 2012-08-27 CMS Collaboration

The mixing of neutral mesons is sensitive to some of the highest scales probed in laboratory experiments. In light of the planned LHCb Upgrade II, a possible upgrade of Belle II, and the broad interest in flavor physics in the tera-$Z$…

High Energy Physics - Phenomenology · Physics 2020-10-07 J. Charles , S. Descotes-Genon , Z. Ligeti , S. Monteil , M. Papucci , K. Trabelsi , L. Vale Silva

The proposed electron-proton collider experiments LHeC and FCC-eh at CERN are the highest resolution microscopes that can be realised in the present century and they would represent a really unique research facility. We exploit simulated…

High Energy Physics - Phenomenology · Physics 2022-03-15 Daniel Britzger , Max Klein , Hubert Spiesberger

A search is presented for physics beyond the standard model in final states with two opposite-sign same-flavor leptons, jets, and missing transverse momentum. The data sample corresponds to an integrated luminosity of 19.4 inverse…

High Energy Physics - Experiment · Physics 2015-05-18 CMS Collaboration

During the year 2000, LEP has been operated at centre-of-mass energies up to sqrt(s) = 209 GeV. New particle searches have been performed using these data samples. Model independent limits on the production cross-sections and mass limits in…

High Energy Physics - Experiment · Physics 2007-05-23 Sylvie Braibant-Giacomelli

The basic facts of charge symmetry breaking (CSB) phenomena are reviewed. The relevance of CSB to parity-violating electron-proton scattering experiments that seek to extract strange elastic form factors is discussed. Experimentalists have…

Nuclear Theory · Physics 2014-11-03 Gerald A. Miller

The recent measurement of $R_K$ at LHCb continues to support the hint of violation of lepton flavor universality. We perform a global fit for new physics in semileptonic $b\to s$ transitions using all the relevant data with a Bayesian…

High Energy Physics - Phenomenology · Physics 2019-06-21 Dinesh Kumar , Kamila Kowalska , Enrico Maria Sessolo

After the LHC Run 1, the standard model (SM) of particle physics has been completed. Yet, despite its successes, the SM has shortcomings vis-\`{a}-vis cosmological and other observations. At the same time, while the LHC restarts for Run 2…

High Energy Physics - Phenomenology · Physics 2017-03-09 André David , Giampiero Passarino

We propose an extension of the existing experimental strategy for measuring branching fractions of top quark decays, targeting specifically $t\to j_q W$, where $j_q$ is a light quark jet. The improved strategy uses orthogonal $b$- and…

High Energy Physics - Phenomenology · Physics 2024-05-29 Darius A. Faroughy , Jernej F. Kamenik , Manuel Szewc , Jure Zupan

Results are presented of searches and measurements in the top quark sector by the ATLAS and CMS experiments. These analyses use data from proton-proton collisions at a centre-of-mass energy of 13 TeV, recorded during Run 2 at the Large…

High Energy Physics - Experiment · Physics 2026-02-04 Miriam Watson

A search for new physics is performed using isolated same-sign dileptons with at least two b-quark jets in the final state. Results are based on a 4.98 inverse femtobarn sample of proton-proton collisions at a centre-of-mass energy of 7 TeV…

High Energy Physics - Experiment · Physics 2012-09-06 CMS Collaboration

The LHCb experiment has the unique possibility, among the LHC experiments, to be operated in fixed target mode, using its internal gas target SMOG. The energy scale achievable at the LHC and the excellent detector capabilities for…

High Energy Physics - Experiment · Physics 2017-08-18 Emilie Maurice