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Recently, two dark matter direct detection experiments have announced the first indications of nuclear recoils from solar $^8$B neutrinos via coherent elastic neutrino-nucleus scattering (CE$\nu$NS) with xenon nuclei. These results…

High Energy Physics - Phenomenology · Physics 2025-05-12 Valentina De Romeri , Dimitrios K. Papoulias , Christoph A. Ternes

Precision measurements in allowed nuclear beta decays and neutron decay are reviewed and analyzed both within the Standard Model and looking for new physics. The analysis incorporates the most recent experimental and theoretical…

High Energy Physics - Phenomenology · Physics 2021-07-06 Adam Falkowski , Martín González-Alonso , Oscar Naviliat-Cuncic

In this paper we consider very weakly interacting and ultra light scalar and pseudoscalar dark matter candidates. We show that quantum gravity has important implications for such models and that the masses of the singlet scalar and…

High Energy Physics - Phenomenology · Physics 2020-08-17 Xavier Calmet , Folkert Kuipers

A search for heavy, narrow resonances decaying to a Higgs boson and a photon (H$\gamma$) has been performed in proton-proton collision data at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 fb$^{-1}$…

High Energy Physics - Experiment · Physics 2019-03-06 CMS Collaboration

The aim of this paper is to derive limits on various forms of ``new physics'' using atomic experimental data. Interactions with dark energy and dark matter fields can lead to space-time variations of fundamental constants, which can be…

High Energy Physics - Phenomenology · Physics 2024-09-24 V. A. Dzuba , V. V. Flambaum , A. J. Mansour

We study the processes $W_L W_L \to t \bar t$ and $W_L Z_L \to t\bar b (\bar t b)$ at future lepton colliders as probes of the couplings of the top quark to resonances at the TeV scale. We consider the cases in which the dominant low energy…

High Energy Physics - Phenomenology · Physics 2009-10-31 T. Han , Y. J. Kim , A. Likhoded , G. Valencia

This is the first paper of our systematic efforts on lepton number violating (LNV) hadronic decays in the effective field theory approach. These decays provide information complementary to popular nuclear neutrinoless double-$\beta$…

High Energy Physics - Phenomenology · Physics 2020-05-26 Yi Liao , Xiao-Dong Ma , Hao-Lin Wang

A search for low mass narrow vector resonances decaying into quark-antiquark pairs is presented. The analysis is based on data collected in 2017 with the CMS detector at the LHC in proton-proton collisions at a center-of-mass energy of 13…

High Energy Physics - Experiment · Physics 2020-01-15 CMS Collaboration

In the paper Int.J.Mod.Phys.E 23 (2014) 1450004, the potential of short-baseline experiments was proposed to measure the mass (and parameters of Lorentz-violating effects) of the muon neutrino, where a roughly estimated upper bound of 420…

High Energy Physics - Phenomenology · Physics 2024-05-03 A. M. Attia , I. G. Márián , B. Ujvári

We explore the capability of the Tevatron and LHC as well as other future hadron colliders to place limits on the possible existence of flavor-independent $q \bar q \gamma\gamma$ contact interactions which can lead to an excess of high…

High Energy Physics - Phenomenology · Physics 2007-05-23 Thomas G. Rizzo

Violations of Lorentz boost symmetry in the electron and photon sectors can be constrained by studying several different high-energy phenomenon. Although they may not lead to the strongest bounds numerically, measurements made in…

High Energy Physics - Phenomenology · Physics 2012-06-12 Brett Altschul

The LHC brings nuclear collisions to the TeV scale for the first time and the first data show the qualitative differences of this new regime. The corresponding phase-space available encompasses completely uncharted regions of QCD in which…

High Energy Physics - Phenomenology · Physics 2015-05-30 Carlos A. Salgado

Given the eventuality of neutrino and muon factories in the foreseeable future, all possible 2-to-2 processes involving two neutrinos, whether Dirac or Majorana ones, and two charged fermions are considered on the basis of the most general…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jean El Bachir Mendy , Jan Govaerts

We investigate the sensitivity of the FASER$\nu$ detector to new physics in the form of non-standard neutrino interactions. FASER$\nu$, which has recently been installed 480 m downstream of the ATLAS interaction point, will for the first…

High Energy Physics - Phenomenology · Physics 2021-11-03 Adam Falkowski , Martín González-Alonso , Joachim Kopp , Yotam Soreq , Zahra Tabrizi

We investigate the sensitivity of a future 10 TeV muon collider to dimension-6 operators in the Standard Model Effective Field Theory (SMEFT), focusing on Higgs and top quark production processes. The analysis includes two-fermion and…

High Energy Physics - Phenomenology · Physics 2026-04-13 Tisa Biswas , Anindya Datta , Barbara Mele

In view of the annnouncement that in 2012 the LHC will run at 8 TeV, we study the possibility of detecting signals of alternative mechanisms of ElectroWeak Symmetry Breaking, described phenomenologically by unitarized models, at energies…

High Energy Physics - Phenomenology · Physics 2015-06-04 Alessandro Ballestrero , Diogo Buarque Franzosi , Ezio Maina

Precision measurements in weak decays of heavy flavored hadrons can test in unique ways our understanding of the fundamental interactions and of the observed baryon asymmetry in the Universe. The high sensitivity of such decays to…

High Energy Physics - Experiment · Physics 2022-09-19 Angelo Di Canto , Stefan Meinel

The search for new interactions of neutrinos beyond those of the Standard Model may help to elucidate the mechanism responsible for neutrino masses. Here we combine existing accelerator neutrino data with restrictions coming from a recent…

High Energy Physics - Phenomenology · Physics 2011-05-13 F. J. Escrihuela , O. G. Miranda , M. Tórtola , J. W. F. Valle

A search is performed in proton-proton collisions at sqrt(s) = 8 TeV for exotic particles decaying via WZ to fully leptonic final states with electrons, muons, and neutrinos. The data set corresponds to an integrated luminosity of 19.5…

High Energy Physics - Experiment · Physics 2014-12-10 CMS Collaboration

Study of the hadronic matrix elements can provide not only tests of the QCD sector of the Standard Model (in comparing with existing experiments) but also reliable low-energy hadronic quantities applicable to a wide range of…

High Energy Physics - Lattice · Physics 2013-01-01 Huey-Wen Lin