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CERN Document Server 2,035 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.55 секунд. 
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Hidden sector searches with fixed-target experiments / Jerhot, Jan
Despite its immense predictive power, there are inconsistencies in the Standard Model of particle physics, the most prominent of which are the neutrino masses [...]
CERN-THESIS-2023-421 - 239.

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Search for Hidden Sector particles at NA62 / Lanfranchi, Gaia (Frascati) /NA62
Fixed target experiments are a particularly useful tool in the search of very weakly coupled particles in the MeV-GeV range that could explain the baryon asymmetry of the Universe, the nature of the Dark Matter and the origin of the neutrino masses and oscillations. The NA62 experiment at the CERN SPS is currently taking data to measure the rare decay $K^{+}\rightarrow\pi^{+} v \bar v$. [...]
SISSA, 2018 - 8 p. - Published in : PoS EPS-HEP2017 (2017) 301 Fulltext: PDF; External link: PoS server
In : 2017 European Physical Society Conference on High Energy Physics, Venice, Italy, 05 - 12 Jul 2017, pp.301
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Search for invisible dark photon at NA62 / Spadaro, T (Frascati) /NA62 Collaboration
Very weakly coupled new-physics particles in the MeV-GeV range appear as mediators in various “portals” to a hidden sector. Their interaction with Standard Model particles is feeble and these states are usually long-lived, so that the experimental search fully profits of a high-intensity setup, such as that of fixed-target experiments. [...]
2020 - 6 p. - Published in : J. Phys.: Conf. Ser. 1526 (2020) 012030 Fulltext: PDF;
In : International Conference on Kaon Physics 2019, Perugia, Italy, 10 - 13 Sep 2019, pp.012030
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Dark Sectors at fixed targets: The example of NA62 / Döbrich, Babette (CERN) /NA62 Collaboration
If new physics manifests itself in the existence of very weakly coupled particles of MeV-GeV mass-scale, fixed-target experiments can be an excellent instrument to discover it. In these proceedings, we review especially the sensitivity of the NA62 experiment to this physics scenario..
arXiv:1807.10170.- 2018 - 16 p. - Published in : Frascati Phys. Ser.: 66 (2018) , pp. 312-327 Fulltext: 1727680_312-327 - PDF; 1807.10170 - PDF;
In : 17th Vulcano Workshop : Frontier Objects in Astrophysics and Particle Physics, Vulcano Island, Sicily, Italy, 22 - 28 May 2018, pp.312-327
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Search for exotics at NA62 / Pepe, Monica (INFN, Perugia) /NA62 Collaboration
Fixed target experiments are a particularly useful tool in the search of very weakly coupled particles in the MeV-GeV range, which are of interest as potential dark matter mediators. Owing to the high beam energy and a hermetic detector coverage, NA62 also has the opportunity to directly search for a variety of long-lived beyond the Standard Model particles, such as axion-like particles and dark photons. [...]
2019 - 5 p. - Published in : J. Phys.: Conf. Ser. 1137 (2019) 012036 Fulltext: PDF;
In : XIII INTERNATIONAL CONFERENCE ON BEAUTY, CHARM AND HYPERON HADRONS, Peniche, Portugal, 17 - 23 Jun 2018, pp.012036
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Search for Exotic Decays with NA62 / Jerhot, Jan (Charles U.) /Na62
Fixed-target experiments present a complementary tool for studies of the beyond Standard Model physics in either direct searches for weakly coupled states in $\mathcal{O}(10^{7})$ − $\mathcal{O}(10^{9}) eV/ c^{2}$ mass scale or indirect searches for deviations in known processes induced by physics of much higher energy scales. The NA62 experiment dedicated to study of ultra-rare kaon decays is competitive on both these fronts thanks to its immense sensitivity and possibility of data-taking inbeam-dump mode,in which statistics of $\mathcal{O}(10^{16})\mathrm{POT}$ has been collected and another $\mathcal{O}(10^{18})\mathrm{POT}$ will follow in 2021-2023 run. [...]
SISSA, 2019 - 4 p. - Published in : PoS LeptonPhoton2019 (2019) 149 published fulltext: PDF;
In : XXIX International Symposium on Lepton Photon Interactions at High Energies, Toronto, Canada, 5 - 10 Aug 2019, pp.149
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New results for searches of exotic decays with NA62 in beam-dump mode / Jerhot, Jan (Louvain U., CP3) /NA62 Collaboration
We report on the search for visible decays of exotic mediators from data taken in "beam-dump" mode with the NA62 experiment. The NA62 experiment can be run as a "beam-dump experiment" by removing the kaon production target and dumping the proton beam in closed collimators. [...]
2023 - 12 p. - Published in : PoS: FPCP2023 (2023) , pp. 073
Fulltext: PDF;
In : 21st Conference on Flavor Physics and CP Violation (FPCP 2023), Villeurbanne, France, 29 May - 2 Jun 2023, pp.073
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Dark matter searches at future $e^+ e^-$ linear colliders / Kalinowski, Jan Henryk (Warsaw U. ; CERN) ; Kotlarski, Wojciech (NCBJ, Warsaw) ; Zarnecki, Aleksander Filip (Warsaw U.)
The future linear 𝑒+𝑒− colliders offer a number of unique opportunities for searches for dark matter and dark sector particles. The collider program itself will offer important capabilities on three frontiers: (i) the precision frontier with measurements at the Higgs factory, (ii) the energy frontier with direct investigations of the scalar sector, and (iii) the intensity frontier with fixed-target and beam-dump measurements. [...]
2022 - 8 p. - Published in : PoS DISCRETE2020-2021 (2022) 013 Fulltext: PDF;
In : 7th Symposium on Prospects in the Physics of Discrete Symmetries (DISCRETE 2020-2021), Bergen, Norway, 29 Nov - 3 Dec 2021, pp.013
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Searches for exotic particles at NA62 / Moulson, Matthew (Frascati) /NA62 Collaboration
Fixed target experiments are a useful tool in the search for very weakly coupled particles in the MeV–GeV range, which are of interest, e.g. as potential dark-matter mediators. [...]
SISSA, 2019 - 5 p. - Published in : PoS ICHEP2018 (2019) 629 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.629
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Light in the beam dump - ALP production from decay photons in proton beam-dumps / Döbrich, Babette (CERN) ; Jaeckel, Joerg (Heidelberg U.) ; Spadaro, Tommaso (Frascati)
The exploration of long-lived particles in the MeV-GeV region is a formidable task but it may provide us a unique access to dark sectors. Fixed-target facilities with sufficiently energetic and intense proton beams are an ideal tool for this challenge. [...]
arXiv:1904.02091.- 2019-05-31 - 24 p. - Published in : JHEP 1905 (2019) 213 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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