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57 research outcomes, page 1 of 6
  • publication . Article . Other literature type . Preprint . 2018
    Spin-2 Portal Dark Matter
    Open Access English
    Authors:
    Nicolás Bernal; Maíra Dutra; Mathias Pierre; Yann Mambrini; Marco Peloso; Keith A. Olive;
    doi: 10.1103/physrevd.97.115020
    Publisher: HAL CCSD
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We generalize models invoking a spin-2 particle as a mediator between the dark sector and the Standard Model. We show that a massive spin-2 messenger can efficiently play the role of a portal between the two sectors. The dark matter is then produced via a freeze-in mech...

  • publication . Article . Preprint . 2017
    Can interacting dark energy solve the $H_0$ tension?
    Open Access English
    Authors:
    Di Valentino, Eleonora; Melchiorri, Alessandro; Mena, Olga;
    doi: 10.1103/physrevd.96.043503
    Publisher: HAL CCSD
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    Comment: 10 pages, 6 figures

  • publication . Preprint . Article . Other literature type . 2017
    Disentangling weak and strong interactions in B→K∗(→Kπ)π Dalitz-plot analyses
    Open Access English
    Authors:
    Jérôme Charles; Sébastien Descotes-Genon; José Ocariz; Alejandro Pérez Pérez; For the CKMfitter Group;
    doi: 10.1140/epjc/s10052-017-5133-x
    Project: EC | RBI-T-WINNING (692194), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    Comment: 25 pages, 15 figures. Accepted for publication in EPJC

  • publication . Article . Preprint . 2018
    Flavor effects in leptogenesis
    Open Access English
    Authors:
    J. Peter Millington; P. S. Bhupal Dev; Björn Garbrecht; Stéphane Lavignac; Pasquale Di Bari; Daniele Teresi;
    doi: 10.1142/s0217751x18420010
    Publisher: World Scientific Publishing
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    Comment: 69 pages, 8 figures. Chapter 1 of the review volume "Leptogenesis: Current Challenges for Model Building, Phenomenology and Non-Equilibrium Field Theory". Matches published version

  • publication . Other literature type . Article . Preprint . 2017
    Vector SIMP dark matter
    Open Access
    Authors:
    Mathias Pierre; Soo-Min Choi; Eric Kuflik; Eric Kuflik; Hyun Min Lee; Yonit Hochberg; Yonit Hochberg; Yann Mambrini; Hitoshi Murayama;
    doi: 10.1007/jhep10(2017)162
    Publisher: Springer Science and Business Media LLC
    Project: NSF | LHC Theory Initiative (1419008), NSF | Particle Physics in an Er... (1316783), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575), NSF | Elementary Particle Theor... (1316222)

    Comment: 27 pages, 5 figures, Published version

  • publication . Article . Other literature type . Preprint . 2017
    Present status and future tests of the higgsino-singlino sector in the NMSSM
    Open Access English
    Authors:
    Ulrich Ellwanger; Ulrich Ellwanger;
    doi: 10.1007/jhep02(2017)051
    Publisher: HAL CCSD
    Project: EC | NonMinimalHiggs (645722), EC | InvisiblesPlus (690575), EC | HIGGSTOOLS (316704), EC | ELUSIVES (674896)

    Comment: 16 pages, 2 figures, added discussion on the remaining fine-tuning

  • publication . Article . Preprint . 2017
    Modeling theoretical uncertainties in phenomenological analyses for particle physics
    Open Access English
    Authors:
    Valentin Niess; Sébastien Descotes-Genon; Jérôme Charles; Luiz Vale Silva;
    doi: 10.1140/epjc/s10052-017-4767-z
    Publisher: HAL CCSD
    Project: EC | RBI-T-WINNING (692194), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    International audience; The determination of the fundamental parameters of the Standard Model (and its extensions) is often limited by the presence of statistical and theoretical uncertainties. We present several models for the latter uncertainties (random, nuisance, ex...

  • publication . Article . Preprint . 2018
    Seeking leptoquarks in IceCube
    Open Access English
    Authors:
    Olcyr Sumensari; Renata Zukanovich Funchal; Boris Panes; Damir Becirevic;
    doi: 10.1007/jhep06(2018)032
    Publisher: HAL CCSD
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We investigate the sensitivity of IceCube(-Gen2) to a scalar leptoquark scenario with couplings only to heavy quark flavors which may be connected to solving discrepancies in $B$-meson semileptonic decays. We take into account, for the first time, the non-negligible neu...

  • publication . Article . Preprint . Other literature type . 2017
    A leptoquark model to accommodate R K exp K SM and {R}_{K^{\ast}}^{\exp }<{R}_{K^{\ast}}^{SM}
    Open Access English
    Authors:
    Damir Becirevic; Olcyr Sumensari;
    doi: 10.1007/jhep08(2017)104
    Publisher: HAL CCSD
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We show that a modification of the model with a low energy scalar leptoquark state carrying hypercharge $Y=7/6$ allows to accommodate both $R_K<1$ and $R_{K^\ast}<1$, through loop effects, consistent with recent observations made at LHCb. We describe details of the mode...

  • publication . Article . Preprint . 2017
    Novel Cosmic-Ray Electron and Positron Constraints on MeV Dark Matter Particles.
    Open Access English
    Authors:
    Julien Lavalle; Pierre Salati; Mathieu Boudaud;
    doi: 10.1103/physrevlett.119.021103
    Publisher: HAL CCSD
    Project: EC | NEWDARK (278234), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    MeV dark matter (DM) particles annihilating or decaying to electron-positron pairs cannot, in principle, be observed via local cosmic-ray (CR) measurements because of the shielding solar magnetic field. In this letter, we take advantage of spacecraft Voyager 1's capacit...

57 research outcomes, page 1 of 6