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6 research outcomes, page 1 of 1
  • publication . Preprint . Article . 2020
    Open Access English
    Authors:
    Escudero Abenza, Miguel; López-Pavón, Jacobo; Rius, Nuria; Sandner, Stefan;
    Persistent Identifiers
    Project: EC | InvisiblesPlus (690575), EC | DARKHORIZONS (648680), EC | ELUSIVES (674896)

    At present, cosmological observations set the most stringent bound on the neutrino mass scale. Within the standard cosmological model ($\Lambda$CDM), the Planck collaboration reports $\sum m_\nu < 0.12\,\text{eV}$ at 95% CL. This bound, taken at face value, excludes man...

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  • publication . Preprint . Other literature type . Article . 2019
    Open Access English
    Authors:
    Ann E. Nelson; Gilly Elor; Miguel Escudero;
    Persistent Identifiers
    Project: EC | InvisiblesPlus (690575), EC | DARKHORIZONS (648680), EC | ELUSIVES (674896)

    Comment: 17 pages, 6 figures. v2: references added, corrected the antinucleon abundance calculation (sec III.C.iii), and included comments on the viability of a measurement of the decay of $b$-flavored baryons into mesons and missing energy at hadron colliders (sec IV.A...

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  • publication . Article . Other literature type . Preprint . 2019
    Open Access English
    Authors:
    Miguel Escudero; Dan Hooper; Gordan Krnjaic; Mathias Pierre;
    Publisher: HAL CCSD
    Project: EC | DARKHORIZONS (648680), EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    In this paper, we explore in detail the cosmological implications of an abelian L − L gauge extension of the Standard Model featuring a light and weakly coupled Z′. Such a scenario is motivated by the longstanding ∼ 4σ discrepancy between the measured and predicted valu...

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  • publication . Article . Preprint . 2020
    Open Access English
    Authors:
    Samuel J. Witte; Miguel Escudero;
    Persistent Identifiers
    Publisher: Springer
    Project: EC | DARKHORIZONS (648680), EC | InvisiblesPlus (690575), EC | ELUSIVES (674896)

    Comment: 5 pages, 2 figures + Supplementary Material. Comments are welcome! v2: Minor clarifications added. References added. Expanded Table 1 and moved it to the main text. Results and conclusions remain unchanged. Matches Letter published in EPJC. Ancillary file conta...

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  • publication . Article . Other literature type . Preprint . 2017
    Open Access English
    Authors:
    M.B. Gavela; Jose Miguel No; Jose Miguel No; Veronica Sanz; Ilaria Brivio; Ilaria Brivio; Ken Mimasu; Ken Mimasu; Luca Merlo; R. del Rey;
    Publisher: Springer Berlin Heidelberg
    Project: NSF | Programs on Critical Prob... (1066293), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575), EC | DARKHORIZONS (648680), RCUK | Theoretical Particle Phys... (ST/L000504/1), EC | INVISIBLES (289442), 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...

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  • publication . Article . Preprint . Other literature type . 2019
    Open Access English
    Authors:
    Miguel Escudero; Carlos Blanco; Samuel J. Witte; Dan Hooper;
    Persistent Identifiers
    Publisher: IOP Publishing
    Project: EC | DARKHORIZONS (648680), EC | ELUSIVES (674896), NSF | Graduate Research Fellows... (1144082), NSF | Graduate Research Fellows... (1746045), EC | InvisiblesPlus (690575)

    Although weakly interacting massive particles (WIMPs) have long been among the most studied and theoretically attractive classes of candidates for the dark matter of our universe, the lack of their detection in direct detection and collider experiments has begun to damp...

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6 research outcomes, page 1 of 1