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747 research outcomes, page 5 of 75
  • publication . Preprint . Article . Other literature type . 2017
    Open Access English
    Authors:
    Brivio, I.; Gavela, M.B.; Merlo, L.; Mimasu, K.; No, J.M.; del Rey, R.; Sanz, V.;
    Project: EC | ELUSIVES (674896), NSF | Programs on Critical Prob... (1066293), EC | InvisiblesPlus (690575), EC | INVISIBLES (289442), EC | DARKHORIZONS (648680), RCUK | Theoretical Particle Phys... (ST/L000504/1), EC | EWBGANDLHC (625809)

    We study the leading effective interactions between the Standard Model fields and a generic singlet CP-odd (pseudo)Goldstone boson. Two possible frameworks for electroweak symmetry breaking are considered: linear and non-linear. For the latter case, the basis of leading...

  • publication . Article . Other literature type . 2016
    Open Access English
    Authors:
    Capdevila, Bernat; Descotes-Genon, Sébastien; Matias, Joaquim; Virto, Javier;
    Publisher: Springer/SISSA
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575), EC | RBI-T-WINNING (692194)

    The B → K ∗ μμ decay exhibits deviations with respect to Standard Model expectations and the measurement of the ratio R K hints at a violation of lepton-flavour universality in B → K ℓℓ transitions. Both effects can be understood in model-independent fits as a short-dis...

  • publication . Article . Preprint . 2020
    Open Access English
    Authors:
    I. Esteban; J. Lopez-Pavon; I. Martinez-Soler; J. Salvado;
    Publisher: SpringerOpen
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    The ANITA experiment has recently observed two anomalous events emerging from well below the horizon. Even though they are consistent with tau cascades, a high energy Standard Model or Beyond the Standard Model explanation is challenging and in tension with other experi...

  • publication . Article . Preprint . 2019
    Open Access English
    Authors:
    Auriol, Adrien; Davidson, Sacha; Raffelt, Georg;
    Publisher: HAL CCSD
    Project: EC | ELUSIVES (674896)

    An absorption dip in the spectrum of the cosmic microwave background observed by the EDGES experiment suggests an unexplained reduction of the hydrogen spin temperature at cosmic redshift z ~ 17. The mass of dark-matter axions could correspond to the hyperfine splitting...

  • publication . Preprint . 2019
    Open Access English
    Authors:
    Petcov, S. T.;
    Project: EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    Comment: 21 pages, LATEX, 7 figures, 1 table

  • publication . Article . Preprint . Other literature type . 2018
    Open Access
    Authors:
    Caron, S.; Casas, J. A.; Quilis, J.; Ruiz de Austri, R.;
    Publisher: Springer Science and Business Media LLC
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    Dark matter (DM) interacting with the SM fields via a $Z'-$boson ('$Z'$-portal') remains one of the most attractive WIMP scenarios, both from the theoretical and the phenomenological points of view. In order to avoid the strong constraints from direct detection and dile...

  • publication . Article . Preprint . 2017
    Open Access
    Authors:
    Bhattacharya, Atri; Esmaili, Arman; Sergio, Palomares-Ruiz; Sarcevic, Ina;
    Publisher: IOP Publishing
    Project: NSF | Programs on Critical Prob... (1066293), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    After the first four years of data taking, the IceCube neutrino telescope has observed 54 high-energy starting events (HESE) with deposited energies between 20 TeV and 2 PeV. The background from atmospheric muons and neutrinos is expected to be of about 20 events, all b...

  • publication . Article . Preprint . Other literature type . 2019
    Open Access English
    Authors:
    Choi, Soo-Min; Lee, Hyun Min; Mambrini, Yann; Pierre, Mathias;
    Publisher: SpringerOpen
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We consider a novel scenario for Vector Strongly Interacting Massive Particle (VSIMP) dark matter with local $SU(2)_X\times U(1)_{Z'}$ symmetry in the dark sector. Similarly to the Standard Model, after the dark symmetry is broken spontaneously by the VEVs of dark Higgs...

  • publication . Preprint . Other literature type . Article . 2017
    Open Access English
    Authors:
    Abbiendi, G.; Calame, C. M. Carloni; Marconi, U.; Matteuzzi, C.; Montagna, G.; Nicrosini, O.; Passera, M.; Piccinini, F.; Tenchini, R.; Trentadue, L.; ...
    Project: EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    Comment: 8 pages, 4 figures

  • publication . Preprint . 2020
    Open Access English
    Authors:
    Aprile, E.; Aalbers, J.; Agostini, F.; Alfonsi, M.; Althueser, L.; Amaro, F.D.; Antochi, V.C.; Angelino, E.; Angevaare, J.R.; Arneodo, F.; ...
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We report results from searches for new physics with low-energy electronic recoil data recorded with the XENON1T detector, with an exposure of 0.65 t-y and an unprecedentedly low background rate of $76 \pm 2_{stat}$ events/(t y keV) between 1-30 keV. An excess over know...

747 research outcomes, page 5 of 75
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