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Seminar

ECAP Seminar

Upcoming seminars:

April 25, 13:00-14:00

Dark matter searches with gamma rays

The Fermi Large Area Telescope has during its almost 10 years of mission time revolutionized our understanding of the gamma-ray sky. It enabled, e.g., the discovery of the Fermi bubbles, a surprisingly large number of gamma-ray emitting millisecond pulsars, dark gas in the Milky Way disk, and it performed some of the most sensitive searches for dark matter annihilation signals. An excess of GeV photons from the Galactic bulge and center has been found, which caused a lot of excitement since it is compatible with a self-annihilation signal from WIMP dark matter. Circumstantial evidence points now however in another direction, namely that the excess is caused by the combined emission of thousands of unresolved millisecond pulsars in the Galactic bulge. Furthermore, additional gamma-ray emission from star formation, from the activity of the central supermassive black hole, and gamma-ray emission associated with the Fermi bubbles can potentially play an important role for the bulge emission. I will present the current state of the discussion, results from the new analysis code SkyFACT that support the millisecond pulsar interpretation of the Fermi GeV excess, and plans for the future to further disentangle the various contributions to the gamma-ray emission from the Galactic bulge and center. A better understanding of this emission will shed further light on the history of the inner Galaxy and potentially the nature of dark matter.

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May 2, 13:00-14:00

News from the ECAP laboratory

Kay Graf and Stefan Funk will report on the status of the ECAP laboratory building.

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May 16, 13:00-14:00

Simulations of Core-Collapse Supernovae

[ abstract not available yet! ]

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Timetable Summer Term 2018

Date Time Speaker Institute Topic
Apr 25 13:00 Christoph Weniger GRAPPA, Amsterdam Dark matter searches with gamma rays
May 2 13:00 Kay Graf & Stefan Funk ECAP News from the ECAP laboratory
May 16 13:00 Thomas Janka MPIA Garching Simulations of Core-Collapse Supernovae
May 23 13:00 Henning Gast RWTH Aachen Latest results from the AMS experiment on the International Space Station
May 30 13:00 Oliver Hupe PTB Braunschweig Dosimetry
Jun 6 13:00 Michael Schulreich TU Berlin Reconstructing the origin of the Local Bubble and Loop I via radioisotopic signatures on Earth
Jun 13 13:00 Francisco Prada Instituto de Astrofisica de Andalucia, Spain Dark Energy Survey
Jun 20 13:00 Frank Haberl MPE Garching Magellanic Clouds
Jul 11 13:00 Andrea Santangelo IAA Tübingen

Timetable Winter Term 2017/18

Date Time Speaker Institute Topic
Oct 18 13:00 Anatoli Fedynitch DESY, Zeuthen State-of-the-art atmospheric lepton flux Tools
Nov 22 13:00 Stefan Jordan ZAH Heidelberg The Gaia Mission – Overview, First Results, and future prospects
Nov 29 13:00 Chris Belczynski Copernicus Center Warsaw The Astrophysics of BH-BH/NS-NS Mergers with LIGO/Virgo
Dec 13 13:00 Jochen Greiner MPE Garching The gravitational wave detection of a binary neutron star merger: expectations, surprises, and prospects
Dec 20 13:00 Marek Kowalski Humboldt-University Berlin A new era in multi-messenger astronomy
Jan 24 13:00 Arne Rau MPE Garching Overview of Athena and the Wide Field Imager
Jan 31 13:00 Christian Motch Observatoire Astronomique Strasbourg SVOM – Space-based multiband astronomical Variable Objects Monitor
Feb 1 15:00 Thorsten Lisker ZAH Heidelberg Survival in galaxy clusters: from ultra-diffuse to ultra-compact objects

Timetable Summer Term 2017

Date Time Speaker Institute Topic
April 26 13:00 Abigail Stevens University of Amsterdam Comparing origins of low-frequency quasi-periodic oscillations with spectral timing
May 10 13:00 Stefan Geißelsöder ECAP Pattern recognition and deep learning
May 17 13:00 Kathrin Valerius Karlsruhe Institute of Technology Status and prospects of direct neutrino mass searches: News from KATRIN and outlook on future projects
May 23 11:00 Jakob van Santen DESY, Zeuthen What’s new in IceCube?
May 24 13:00 Andrii Neronov EPFL, Lausanne Galactic and extragalactic contributions to the astrophysical neutrino flux
May 31 13:00 Francesco Longo Trieste, INFN GRB observations at High and Very High Energy
June 7 13:00 Philipp Mertsch RWTH Aachen Cosmic ray anisotropies: unravelling sources and transport
June 14 13:00 Alexander Fieguth Universität Münster XENON1T & the challenge of direct dark matter detection
June 21 13:00 Harm Schoorlemmer MPI-K Heidelberg Observing the TeV gamma-ray sky with the High-Altitude Water Cherenkov Observatory
June 28 13:00 Livia Ludhova Forschungszentrum Jülich JUNO: the first multi-kton liquid scintillator based neutrino detector
July 6 10:00 Francois Brun Université de Bordeaux / CNRS The H.E.S.S. Galactic Plane Survey
July 12 13:00 Laura Spitler MPIfR Bonn Fast radio bursts
July 19 12:00 ECAP Sommerfest
July 26 13:00 Stefan Funk / Uli Katz ECAP Status report on CTA / KM3NeT

Timetable Winter Term 2016/17

Date Time Speaker Institute Topic
Oct. 26 13:00 Julian Rautenberg Universität Wuppertal Radio detection of cosmic-ray air showers
Nov. 23 13:00 Timo Karg DESY, Zeuthen IceCube: future vision and R&D
Nov. 30 13:00 Axel Schwoie AIP Potsdam The Polars (still crazy after all those years)
Dec. 07 13:00 Daniel Kümpel RWTH Aachen Hunting for ultra-high energy photons
Dec. 14 13:00 Stefan Klepser DESY, Zeuthen The Population of Galactic TeV Plerions and a Major Electronics Upgrade for H.E.S.S.
Dec. 21 13:00 Walter Assmann TU München The sound of protons – ionoacoustic range monitoring in proton therapy
Jan. 11 13:00 Michael Wurm JGU Mainz Ten years of Borexino: from solar to sterile neutrinos
Jan. 25 13:00 Christoph Pfrommer Heidelberg Institute for Theoretical Studies Cosmic ray feedback in galaxies and AGN
Feb. 01 13:00 Thomas Reiprich Argelander Institut Bonn Galaxy Clusters