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164 research outcomes, page 1 of 17
  • publication . Article . Preprint . Other literature type . 2017
    arXiv : A White Paper on keV Sterile Neutrino Dark Matter
    Open Access English
    Authors:
    Paul Langacker; Tesla E. Jeltema; Emmanouil Papastergis; Z. Xing; Alexey Boyarsky; Guido Drexlin; Stephen J. Parke; Achim Fleischmann; Dean J. Robinson; Richard Jacobsson; ...
    doi: 10.1088/1475-7516/2017/01/025 , 10.7892/boris.95470
    handle: 11370/743858d3-699a-4584-b049-c7451a0cc378
    Project: EC | nuDirections (637506), EC | COSMOIGM (257670), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We present a comprehensive review of keV-scale sterile neutrino Dark Matter, collecting views and insights from all disciplines involved - cosmology, astrophysics, nuclear, and particle physics - in each case viewed from both theoretical and experimental/observational p...

  • publication . Article . Preprint . 2016
    Electron electric dipole moment in Inverse Seesaw models
    Open Access English
    Authors:
    Takashi Toma; Asmaa Abada;
    doi: 10.1007/jhep08(2016)079
    Publisher: HAL CCSD
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    Comment: 19 pages, 4 figures, minor changes, one appendix added, version accepted in JHEP

  • publication . Article . Preprint . 2019
    What R K and Q 5 can tell us about New Physics in b→sℓℓ transitions?
    Open Access English
    Authors:
    Algueró, Marcel; Capdevila, Bernat; Descotes-Genon, Sébastien; Masjuan, Pere; Matias, Joaquim;
    doi: 10.1007/jhep07(2019)096
    Publisher: SpringerOpen
    Project: EC | RBI-T-WINNING (692194), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    The deviations with respect to the Standard Model that are currently observed in $b \to s \ell\ell$ transitions, or $B$ anomalies, can be interpreted in terms of different New Physics (NP) scenarios within a model-independent effective approach. We identify a set of int...

  • publication . Article . Preprint . 2017
    Dynamical clockwork axions
    Open Access English
    Authors:
    Rupert Coy; Masahiro Ibe; Michele Frigerio;
    doi: 10.1007/jhep10(2017)002
    Publisher: HAL CCSD
    Project: EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    The clockwork mechanism is a novel method for generating a large separation between the dynamical scale and interaction scale of a theory. We demonstrate how the mechanism can arise from a sequence of strongly-coupled sectors. This framework avoids elementary scalar fie...

  • publication . Article . Preprint . 2019
    Polarisation of high energy gamma-rays after scattering
    Open Access English
    Authors:
    Andres Olivares-Del Campo Olivares-Del Campo; Yeling Zhou; Maura Ramirez-Quezada; Celine Boehm; Celine Boehm; Celine Boehm;
    doi: 10.1088/1475-7516/2019/12/041
    Publisher: HAL CCSD
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | NUMASS (617143), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    Comment: 34 pages, 8 figures, 6 appendices, typos corrected, explanations and references added, matches JCAP published version

  • publication . Article . Preprint . 2018
    Seeking a CP -odd Higgs boson via $h\rightarrow \eta_{c,b}\ell^+\ell^-$
    Open Access English
    Authors:
    Bečirević, Damir; Melić, Blaženka; Patra, Monalisa; Sumensari, Olcyr;
    doi: 10.1103/physrevd.97.015008
    Publisher: HAL CCSD
    Project: EC | RBI-T-WINNING (692194), HRZZ | Physics of the Standard M... (IP-2013-11-5169), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We show that the decay rates of the Higgs boson to a pseudoscalar quarkonium and a pair of leptons, $h\to P\ell^+\ell^-$ ($P\in\{\eta_c,\eta_b\}$), can be substantially enhanced in a scenario with two Higgs doublets with a softly broken $\mathbb{Z}_2$ symmetry (2HDM) wh...

  • publication . Other literature type . Article . Preprint . 2020
    On the new LHCb angular analysis of $B \to K^* \mu^+ \mu^-$: Hadronic effects or New Physics?
    Open Access English
    Authors:
    Hurth, T.; Mahmoudi, F.; Neshatpour, S.;
    doi: 10.1103/physrevd.102.055001
    Project: EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    The new angular analysis of the decay $B \to K^* \ell^+ \ell^-$ recently presented by the LHCb Collaboration still indicates some tensions with the Standard Model predictions. There are several ongoing analyses to solve the problem of separating hadronic and New Physics...

  • publication . Article . Preprint . 2020
    Flavor Techniques for LFV Processes: Higgs Decays in a General Seesaw Model
    Open Access English
    Authors:
    Xabier Marcano; Roberto A. Morales;
    doi: 10.3389/fphy.2019.00228 , 10.3389/fphy.2019.00228/full
    handle: 10486/691316
    Publisher: HAL CCSD
    Project: EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    Lepton flavor violating processes are optimal observables to test new physics, since they are forbidden in the Standard Model while they may be generated in new theories. The usual approach to these processes is to perform the computations in the physical basis; neverth...

  • publication . Article . Preprint . 2020
    New physics in $b\to s\ell\ell$ transitions at one loop
    Open Access English
    Authors:
    Federico Mescia; Michele Frigerio; Rupert Coy; Olcyr Sumensari;
    doi: 10.1140/epjc/s10052-019-7581-y
    Publisher: Springer
    Project: ANR | OCEVU (11-LABX-0060), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    Comment: v2: 15 pages, 6 figures; Section III.2 extended, Table II and Fig. 6 correspondingly updated, references added

  • publication . Preprint . Article . 2018
    PSI/UZH Workshop: Impact of $B\to\mu^+\mu^-$ on New Physics Searches
    Open Access English
    Authors:
    Crivellin, Andreas; Ghezzi, M.; Müller, D.; Signer, A.; Ulrich, Y.; Bernlochner, F.; Ivo de Medeiros Varzielas; Descotes-Genon, S.; Fael, M.; Ghosh, D.; ...
    Publisher: HAL CCSD
    Project: SNSF | Impact of B->mumu on New ... (IZSEZ0_177983), SNSF | Muon Decays (200021_163466), EC | RBI-T-WINNING (692194), SNSF | Lepton flavour violation ... (200021_160156), SNSF | Flavour Physics beyond th... (PZ00P2_154834), EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    In these mini-proceedings we review the results of the workshop `Impact of $B\to\mu^+\mu^-$ on New Physics Searches' that took place at the Paul Scherrer Institute (PSI) on the 18th-19th December 2017.

164 research outcomes, page 1 of 17