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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:20210328T010000
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DTSTART;TZID=Europe/Berlin:20210412T160000
DTEND;TZID=Europe/Berlin:20210412T170000
DTSTAMP:20260416T090103
CREATED:20210411T161731Z
LAST-MODIFIED:20210411T161731Z
UID:3394-1618243200-1618246800@ecap.nat.fau.de
SUMMARY:ECAP mini-series Exploring Gravity: Ira Thorpe
DESCRIPTION:LISA – Bringing the Gravitational Wave Revolution to Space\nGravitational Wave (GW) observatories are humanity’s newest tool for studying the universe. After decades of development efforts\, terrestrial interferometers such as LIGO and Virgo are now routinely detecting ripples in the fabric of spacetime caused by distant astrophysical cataclysms such as the collision of black holes. Early results from these instruments have already provided answers to long-standing questions in astrophysics and\, more importantly\, introduced new questions of their own. However\, even as instruments on the Earth continue to improve\, there will be vast portions of the GW spectrum that will not be accessible due to their limited size and noise in the terrestrial environment. Space-based interferometers a million times larger than their terrestrial cousins will probe the milliHertz GW spectrum\, home to a rich variety of astrophysical signals. \nIn this talk\, I will provide an overview of the Laser Interferometer Space Antenna (LISA)\, an international collaboration to develop the first space-based GW interferometer. I will describe the science applications\, the mission concept\, and key technologies behind what will be the largest scientific instrument ever constructed. I will also highlight the contributions of LISA Pathfinder\, a European-led technology demonstration mission that validated several critical aspects of the LISA concept.
URL:https://ecap.nat.fau.de/index.php/event/ecap-mini-series-exploring-gravity-ira-thorpe/
LOCATION:Zoom
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20210415T160000
DTEND;TZID=Europe/Berlin:20210415T170000
DTSTAMP:20260416T090103
CREATED:20210411T161812Z
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UID:3397-1618502400-1618506000@ecap.nat.fau.de
SUMMARY:ECAP mini-series Exploring Gravity: Frank Eisenhauer
DESCRIPTION:Infrared Interferometry of the Galactic Center Black Hole\nThe Galactic Center harbors the nearest massive black hole. With a distance of only 8 kpc\, it is the closest laboratory to study the astrophysical processes at work in these extreme objects\, and to probe Einstein’s general theory of relativity in the regime of strong gravity. Our presentation gives an overview of the GRAVITY infrared interferometry observations leading to the detection of the gravitational redshift and the Schwarzschild precession in the orbit of a star orbiting the black hole in a 16 yr orbit\, and the observations of orbital motion of hot gas close to the innermost stable orbit. We further present the perspective for future measurements of the spin and quadrupole of the black hole by combining infrared interferometry and spectroscopy form extremely large telescopes\, which will then also test the cosmic censorship and no hair theorem of black holes.
URL:https://ecap.nat.fau.de/index.php/event/ecap-mini-series-exploring-gravity-frank-eisenhauer/
LOCATION:Zoom
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20210422T130000
DTEND;TZID=Europe/Berlin:20210422T140000
DTSTAMP:20260416T090103
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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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20210429T130000
DTEND;TZID=Europe/Berlin:20210429T140000
DTSTAMP:20260416T090103
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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