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62 research outcomes, page 1 of 7
  • 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 . Other literature type . Article . Preprint . 2016
    How to save the WIMP: global analysis of a dark matter model with two s-channel mediators
    Open Access English
    Authors:
    Thomas Schwetz; Kai Schmidt-Hoberg; Stefan Vogl; Felix Kahlhoefer; Michael Duerr;
    doi: 10.3204/pubdb-2016-04677 , 10.1007/jhep09(2016)042 , 10.3204/pubdb-2016-02552
    Publisher: Deutsches Elektronen-Synchrotron, DESY, Hamburg
    Project: EC | NewAve (638528), EC | ELUSIVES (674896)

    Comment: 30 pages, 9 figures + appendices

  • 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 . 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...

  • publication . Article . Other literature type . Preprint . 2018
    Gravitino decay in high scale supersymmetry with R-parity violation
    Open Access English
    Authors:
    Emilian Dudas; Tony Gherghetta; Keith A. Olive; Yann Mambrini; Kunio Kaneta;
    doi: 10.1103/physrevd.98.015030
    Publisher: HAL CCSD
    Project: EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    Comment: 27 pages, 4 figures

62 research outcomes, page 1 of 7