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28 research outcomes, page 1 of 3
  • publication . Preprint . 2020
    Open Access English
    Authors:
    Rogers, L.; Jones, B. J. P.; Laing, A.; Pingulkar, S.; Woodruff, K.; Adams, C.; Álvarez, V.; Arazi, L.; Arnquist, I. J.; Azevedo, C. D. R; ...
    Project: FCT | SFRH/BPD/76842/2011 (SFRH/BPD/76842/2011), EC | MELODIC (740055), EC | NEXT (339787), FCT | UID/FIS/04559/2013 (147413), EC | ELUSIVES (674896), FCT | PD/BD/105921/2014 (PD/BD/105921/2014), EC | InvisiblesPlus (690575)

    \Xe{136} is used as the target medium for many experiments searching for \bbnonu. Despite underground operation, cosmic muons that reach the laboratory can produce spallation neutrons causing activation of detector materials. A potential background that is difficult to ...

  • publication . Article . Preprint . 2016
    Open Access English
    Authors:
    Stephen F King; Miguel Crispim Romão;
    Project: EC | ELUSIVES (674896), RCUK | Exploring the limits of t... (ST/L000296/1), EC | InvisiblesPlus (690575), FCT | SFRH/BD/84234/2012 (SFRH/BD/84234/2012)

    Comment: 40 pages, 13 figures, minor corrections

  • publication . Article . Preprint . Other literature type . 2018
    Open Access English
    Authors:
    Duarte Fontes; Jorge C. Romao; Joao Silva;
    Publisher: HAL CCSD
    Project: EC | ELUSIVES (674896), FCT | UID/FIS/00777/2013 (147214), EC | InvisiblesPlus (690575)

    We study the CP violating ZZZ vertex in the two-Higgs doublet model, which is a probe of a Jarlskog-type invariant in the extended Higgs sector. The form factor $f_4^Z$ is evaluated at one loop in a general $R_\xi$ gauge and its magnitude is estimated in the realistic p...

  • publication . Other literature type . Article . Preprint . 2018
    Open Access
    Authors:
    Biswajit Karmakar; Ivo de Medeiros Varzielas;
    Publisher: Springer Science and Business Media LLC
    Project: FCT | UID/FIS/00777/2013 (147214), RCUK | Exploring the limits of t... (ST/L000296/1), EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    In an attempt to unfold (if any) a possible connection between two apparently uncorrelated sectors, namely neutrino and dark matter, we consider the type-I seesaw and a fermion singlet dark matter to start with. Our construction suggests that there exists a scalar field...

  • publication . Preprint . Article . 2016
    Open Access English
    Authors:
    Chakrit Pongkitivanichkul; Stephen F King; Miguel Crispim Romão;
    Project: RCUK | Exploring the limits of t... (ST/L000296/1), EC | ELUSIVES (674896), FCT | SFRH/BD/84234/2012 (SFRH/BD/84234/2012), RCUK | Symmetry, supersymmetry, ... (ST/J002798/1), EC | InvisiblesPlus (690575)

    Comment: 32 pages, 12 figures

  • publication . Article . Other literature type . Preprint . 2019
    Open Access
    Authors:
    Francesc Monrabal; J. Díaz; João Veloso; Susana Cebrian; L.M.P. Fernandes; C.D.R. Azevedo; Cristina Maria Bernardes Monteiro; Lior Arazi; Justo Martín-Albo; José Francisco Toledo Alarcón; ...
    Publisher: eScholarship, University of California
    Project: EC | MELODIC (740055), EC | NEXT (339787), EC | ELUSIVES (674896), FCT | SFRH/BPD/76842/2011 (SFRH/BPD/76842/2011), FCT | PD/BD/105921/2014 (PD/BD/105921/2014), EC | InvisiblesPlus (690575), FCT | UID/FIS/04559/2013 (147413)

    The NEXT experiment aims at searching for the hypothetical neutrinoless double-beta decay from the Xe isotope using a high-purity xenon TPC. Efficient discrimination of the events through pattern recognition of the topology of primary ionisation tracks is a major requir...

  • publication . Preprint . Article . Other literature type . 2016
    Open Access English
    Authors:
    Bari, Pasquale Di; Ludl, Patrick Otto; Palomares-Ruiz, Sergio;
    Project: FCT | PEst-OE/FIS/UI0777/2013 (132985), EC | ELUSIVES (674896), RCUK | Exploring the limits of t... (ST/L000296/1), EC | InvisiblesPlus (690575)

    We revisit a model in which neutrino masses and mixing are described by a two right-handed (RH) neutrino seesaw scenario, implying a strictly hierarchical light neutrino spectrum. A third decoupled RH neutrino, $N_{\rm DM}$ with mass $M_{\rm DM}$, plays the role of cold...

  • publication . Article . Preprint . 2017
    Open Access English
    Authors:
    Duarte Fontes; Jorge C. Romao; Joao Silva;
    Publisher: Springer Nature
    Project: EC | ELUSIVES (674896), FCT | UID/FIS/00777/2013 (147214), EC | InvisiblesPlus (690575)

    Comment: 24 pages

  • publication . Preprint . 2020
    Open Access English
    Authors:
    Adams, C.; Alvarez, V.; Arazi, L.; Arnquist, I. J.; Azevedo, C. D. R; Bailey, K.; Ballester, F.; Benlloch-Rodriguez, J. M.; Borges, F. I. G. M.; Byrnes, N.; ...
    Project: EC | MELODIC (740055), EC | InvisiblesPlus (690575), FCT | SFRH/BPD/76842/2011 (SFRH/BPD/76842/2011), EC | ELUSIVES (674896), EC | NEXT (339787), FCT | UID/FIS/04559/2013 (147413), FCT | PD/BD/105921/2014 (PD/BD/105921/2014)

    The Neutrino Experiment with a Xenon TPC (NEXT) searches for the neutrinoless double beta ($0\nu\beta\beta$) of $^{136}$Xe using high-pressure xenon gas TPCs with electroluminescent amplification. A scaled-up version of this technology with $\sim1$tonne of enriched xeno...

  • publication . Article . Preprint . Other literature type . 2018
    Open Access
    Authors:
    Donini, Andrea; Palomares-Ruiz, Sergio; Salvado, Jordi;
    Publisher: Springer Science and Business Media LLC
    Project: EC | InvisiblesPlus (690575), FCT | PEst-OE/FIS/UI0777/2013 (132985), EC | ELUSIVES (674896)

    Comment: 16 pages, 10 figures and 1 table

28 research outcomes, page 1 of 3
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