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X-WR-CALNAME:Erlangen Centre for Astroparticle Physics
X-ORIGINAL-URL:https://ecap.nat.fau.de
X-WR-CALDESC:Events for Erlangen Centre for Astroparticle Physics
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DTSTART;TZID=Europe/Berlin:20210422T130000
DTEND;TZID=Europe/Berlin:20210422T140000
DTSTAMP:20260424T093310
CREATED:20210409T113534Z
LAST-MODIFIED:20210409T113534Z
UID:3362-1619096400-1619100000@ecap.nat.fau.de
SUMMARY:ECAP Seminar: Ruben Lopez Coto
DESCRIPTION:TeV Halos and their connection to the local Leptonic Cosmic Ray flux\nThe origin and propagation of cosmic rays (CRs) is one of the most important questions in astroparticle physics nowadays. CRs generated by known sources also serve as background to those putatively generated by more exotic phenomena. Apart from the known electrons of primary origin and positrons of secondary one\, pulsars and sources powered by them are one of the main candidates to contribute to the total amount of CR electrons and positrons. TeV halos are sources powered by a central pulsar whose electrons and positrons have escaped from the shock region dominated by the pulsar wind and are freely propagating into the interstellar medium. They have been postulated only a couple of years ago and up to date there are only two confirmed sources. In this talk\, I will give a review of the current understanding of TeV halos\, the observational status and their contribution to the CR sea in the Galaxy. \n 
URL:https://ecap.nat.fau.de/index.php/event/ecap-seminar-ruben-2021-04-22-lopez-coto/
LOCATION:Zoom
CATEGORIES:Seminar
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DTSTART;TZID=Europe/Berlin:20210429T130000
DTEND;TZID=Europe/Berlin:20210429T140000
DTSTAMP:20260424T093310
CREATED:20210409T114201Z
LAST-MODIFIED:20210409T114201Z
UID:3366-1619701200-1619704800@ecap.nat.fau.de
SUMMARY:ECAP Seminar: Raimund Strauss
DESCRIPTION:Coherent neutrino scattering: from experimental challenges to new frontiers in neutrino physics\nThe detection of coherent-neutrino nucleus scattering (CEvNS) opens a new window to study the fundamental properties of neutrinos and to probe physics beyond the Standard Model of Particle Physics. Given the very low recoil energies (eV – keV) predicted for this weak neutral-current process\, it has only recently been observed experimentally. Favorably\, due to the coherency of the interaction\, the cross-section of CEvNS is typically 2 – 4 orders of magnitude larger than classical neutrino interactions\, which leads to a dramatic miniaturization of neutrino detectors: instead of using multi-ton detector apparatuses\, neutrino detection with compact devices of kg or even g in total mass is in reach. We have established a new experimental approach for a first measurement of CEvNS at a nuclear reactor – the NUCLEUS experiment. With dedicated cryogenic detectors\, for which we have demonstrated world-record energy thresholds of ~20 eV\, we will probe neutrino properties and scenarios for new physics at unprecedentedly low energies. In this seminar\, I will give an overview of this young and growing research field\, and present the status and physics potential of NUCLEUS.
URL:https://ecap.nat.fau.de/index.php/event/ecap-seminar-2021-04-29-raimund-strauss/
LOCATION:Zoom
CATEGORIES:Seminar
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