GRAPPA Colloquia are usually held on second and fourth Mondays of each month, but occasionally some talks do not follow this rule.
- Time: 11:00−12:00 (unless otherwise noted)
- Venue: C4.174 (unless otherwise noted)
See the calendar for all GRAPPA-related events.
See also the schedules for the Nikhef Theory Seminars, Nikhef Colloquia, and API Colloquia.
Summer/Fall term 2019
| DATE |
SPEAKER |
TITLE |
NOTE |
| 9 Jul |
Antonella Garzilli (Niels Borh Institute) |
Constraining the nature of dark matter with the Lyman-alpha forest |
C4.174 |
| 19 Jul |
Bernardita Ried (Universidad de Chile) |
Introduction to the Zig-Zag Process |
D1.113 |
| 13 Sep |
Doug Finkbeiner (Harvard University) |
Towards more robust and explainable neural nets: Beyond the black box |
C4.174 |
| 16 Sep |
Luca Visinelli (GRAPPA/UvA) |
Probing the Early Universe with Axion Physics |
C4.174 |
| 23 Sep |
Manuela Vecchi (KVI-University of Groningen) |
Spectral features in galactic cosmic rays |
C4.174 |
| 25 Sep |
Katy Clough (Oxford) |
Searching for light particles in strong gravity environments |
C4.174 (15:30-16.30) |
| 30 Sep |
Christopher Tully (Princeton) |
How to be a lensmaker for the PTOLEMY cosmic neutrino telescope? |
C4.174 |
| 14 Oct |
Kenny Ng (GRAPPA) |
High-energy Gamma Rays and Neutrinos from the Sun |
C4.174 |
| 25 Oct |
Doug Lin (UCSC) |
Stellar rejuvenation and gravitational waves in AGN disks: Analog of planetary systems around massive black holes |
C4.174 |
| 28 Oct |
Gordon Baym (Illinois) |
Neutron stars and the properties of matter under extreme conditions |
C4.174 |
| 5 Nov |
Adam Pound (U. of Southampton) |
Accurately modelling extreme-mass-ratio inspirals: beyond the geodesic approximation |
C4.278 (14:00-15:00) |
| 11 Nov |
Subodh Patil (NBI) |
Primordial black holes, inflation, and scale invariance |
C4.174 |
| 19 Nov |
Gilles Louppe (University of Liege) |
Neural likelihood-free inference |
C1.112 (10:00-11:00) |
| 25 Nov |
Dan Scolnic (Duke) |
New Excitement In Measurements of Dark Energy and The Hubble Constant |
C4.174 |
| 9 Dec |
Enrico Morgante (DESY) |
Relaxion fragmentation |
C4.174 |
| 13 Dec |
Shri Kulkarni (Caltech) |
The Galactic Cosmic Ray Ionization |
C4.174 (15h-16h) |
| 13 Jan |
Henk Hoekstra (Leiden University) |
Weak lensing by large-scale structure as an accurate probe of cosmology and much more |
C4.174 |
| 27 Jan |
Julia Even (University of Groningen) |
The production of star dust in the laboratory |
C4.174 |
Winter/spring term 2019
| DATE |
SPEAKER |
TITLE |
NOTE |
| 9 Jan |
Karelle Siellez (UCSC) |
Gravitational waves, kilonovae & nearby low-luminous short gamma-ray bursts |
C1.174 |
| 14 Jan |
Katharine Kelley (ICRAR) |
Axion Dark Matter: Opportunities and Challenges with the SKA |
D1.112 |
| 21 Jan |
Simona Vegetti (MPA Garching) |
Strong gravitational lensing as a clean observational probe of dark matter |
C1.112 |
| 28 Jan |
Alex Geringer-Sameth (Imperial College London) |
Astrophysical vs. dark matter interpretations of gamma-ray observations in dwarf galaxies |
C4.174 |
| 31 Jan |
Patricia Schmidt (Birmingham University) |
GWTC-1: Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs |
C4.174 |
| 13th Feb |
Brad Cenko (NASA Goddard) |
Recent Observational Puzzles from Tidal Disruption Flares: Towards Viable Probes in the LSST Era |
C4.174 |
| 25 Feb |
Tetyana Galatyuk (TU Darmstadt) |
Exploring baryon rich QCD matter with HADES |
C4.174 |
| 11 Mar |
Francois Foucart (University of New Hampshire) |
Modeling Neutron Star Mergers: A numerical perspective |
C4.174 |
| 14 Mar |
Martin Hewitson (Max-Planck-Institut Hannover) |
LISA: Space-based Gravitational Wave Astronomy |
C4.174 |
| 25 Mar |
Anastasia Fialkov (Sussex University) |
Evaluating Cosmic Dawn |
G3.02 |
| 1 Apr |
Elisabeth Krause (University of Arizona) |
Cosmology with the Dark Energy Survey, and Beyond |
C4.174 |
| 8 Apr |
Mairi Sakellariadou (King’s College, UK) |
Stochastic gravitational waves background and its anisotropies |
C4.124 |
| 2nd May |
Valarie Domcke (DESY, Hamburg) |
Particle production in the early Universe |
C4.174 (10:30 – 11:30) |
| 14 May |
Eugene Lim (King’s College, UK) |
What I talk about when I talk about Inflation |
C4.124 |
| 21 May |
Thomas Helfer (King’s College, UK) |
Gravitational waves from exotic compact objects |
C4.124 |
| 27 May |
Matthew Baring (Rice University) |
Magnetars as Neutron Star Speelplaatsen for Exotic Physics |
C4.174 |
| 29 May |
Michael Coughlin (Caltech) |
Before and after merger: Multi-messenger searches for compact binaries |
C4.124 |
| 4 Jun |
Sarah Gossan (Caltech) |
Wave heating from proto-neutron star convection and the core-collapse supernova explosion mechanism |
C0.110 |
| 24 Jun |
Mark Vogelsberger (MIT) |
Simulating Galaxy Formation: Illustris, IllustrisTNG and beyond |
C4.174 |
Summer/Fall term 2018
| DATE |
SPEAKER |
TITLE |
NOTE |
| 21 Jun |
Barbara Patricelli (SNS Pisa) |
Searching for Gamma-Ray counterparts to Gravitational Waves from merging binary neutron stars with the Cherenkov Telescope Array |
C4.174 |
| 27 Jun |
Jennifer Barnes (Columbia University) |
Nuclear Physics with Multi-Messenger Astronomy |
C4.174 |
| 30 July |
Fiona Panther (Australian National University) |
Antimatter in the Milky Way: a theoretical perspective |
C4.174 |
| 10 Sept |
Felicia Krauss (Grappa/API) |
TXS 0506+056, IC 170922A, and multimessenger observations of blazers |
C4.174 |
| 12 Sep |
Gregg Hallinan (Caltech) |
Imaging All the Sky All the Time in Search of Radio Exoplanets |
C4.174 |
| 17 Sept |
Kenta Hotokezaka (Princeton) |
GW170817: Kilonova and r-process origin |
C4.174 |
| 18 Sept |
JJ Eldridge (University of Aukland) |
Discussion on Gender diversity in Science and the inclusion of LGBTIQ students |
C4.176 |
| 18 Sept |
JJ Eldridge (University of Aukland) |
New BPASS results on Gravitational Wave events, X-ray binaries and Supernovae |
C4.176 |
| 8 Oct |
Daniel Mortlock (Imperial College) |
Unbiased estimation of the Hubble constant from binary neutron star mergers |
C4.174 |
| 22 Oct |
Sebastian Baum (Stockholm University) |
Paleo Detectors |
C4.174 |
| 6 Nov |
Andrea Bertoldi (IOA) |
MIGA and Atom Interferometry for low frequency Gravitational Wave detection |
GRAPPA/Nikhef special seminar 14:00-15:00 C4.174 |
| 12 Nov |
Jane Dai (Niels Bohr Institute, Copenhagen) |
Lessons on Super-Eddington Accretion Learnt from Tidal Disruption Events |
12:00-13:00 C4.174 |
| 26 Nov |
David Kaplan (University of Wisconsin) |
|
C4.174 |
| 6 Dec |
Claire Guepin (IAP) |
|
GRAPPA special seminar 10:30-11:30 C4.174 |
| 10 Dec |
Ernazar Abdikamalov (Nazarbayev University) |
Core-Collapse Supernovae and Gravitational Waves |
C4.174 |
| 13 Dec |
Sarah Gossan (Caltech) |
Core-collapse supernova physics in the multi-messenger era |
C4.174 |
Summer term 2018
| DATE |
SPEAKER |
TITLE |
NOTE |
| 14 May |
Mauricio Bustamante (Niels Bohr Institute, University of Copenhagen) |
Distilling fundamental high-energy neutrino physics from the sky |
C4.174 |
| 28 May |
Dima Maliyshev (Friedrich-Alexander-Universität Erlangen-Nürnberg) |
|
C4.174 |
| 11 June |
Dario Grasso (Pisa INFN and Pisa University) |
Cosmic rays shining in the Galactic center |
C4.174 |
| 26 June |
Igor Irastorza (University of Saragoza) |
Search for axions with the International Axion Observatory |
C4.174 |
Winter/spring term 2017
| DATE |
SPEAKER |
TITLE |
NOTE |
| 23rd Jan |
Manuel Meyer (Oskar Klein Centre) |
Astrophysical searches for axions and axionlike particles at gamma-ray energies |
C4.278 |
| 13 Feb |
Noam Libeskind (AIP Postdam) |
Satellite Galaxies, Local Groups and the Cosmic Web |
|
| 27 Feb |
Aart Heijboer (Nikhef) |
KM3NeT: The next generation neutrino telescope |
|
| 13 Mar |
Jesus Zavala (Reykjavik University) |
Towards an Effective THeory Of Structure formation (ETHOS) |
|
| 27 Mar |
Mauro Valli (SISSA) |
Hints for New Physics from b to s transitions |
|
| 10th April |
Stephen West (Royal Holloway University of London) |
Nuclear Dark Matter |
|
| 19th April |
Alexander Tchekhovskoy (UC Berkeley) |
Simulations of Black Holes the Astrophysical Laboratories |
API/GRAPPA – 11:00am |
| 24th April |
Felix Kahlhoefer (DESY) |
Phenomenology of self-interacting WIMPs |
|
| 8 May |
Andrew Pontzen (UCL) |
Towards robust predictions of dark matter distributions around galaxies |
|
| 22nd May |
Tanguy Pierog (Karlsruhe Institute for Technology) |
LHC and Cosmic Rays: The chicken or the egg? |
|
| 29th May |
Jonathan Cornell (McGill University) |
|
|
| 7th July |
Tracy Slayter (MIT) |
When Do Dark Bound States Matter? |
Special Seminar: C4.278 (11:00) |
Summer/fall term 2016
| DATE |
SPEAKER |
TITLE |
NOTE |
| 5 Sept |
Ranjan Laha (Kavli/SLAC/Stanford) |
Two new avenues in dark matter indirect detection |
11.00-12.00
|
| 9 Sept |
Wei Xue (MIT) |
Explore QCD splitting function with CMS open data |
Special Seminar A1.10 |
| 26 Sept |
Alfredo Urbano (CERN) |
The last gasp of dark matter effective field theory |
C4.278 |
| 10 Oct |
Bradley Kavanagh (Paris VI) |
Dark Matter Particle Astronomy |
C4.278 |
| 24 Oct |
Matthew Malek (University of Sheffield) |
Are Neutrinos Responsible for our Matter-Dominated Universe? |
C4.278 |
| 14 Nov |
Matteo Biagetti (UvA) |
The peaks approach to halo clustering: theory and applications |
C4.278 |
| 28 Nov |
Valerie Domcke (APC, Paris Diderot) |
|
C4.278 |
| 12 Dec |
Paul McMillan (Lund University) |
Mass modelling the Milky Way with the parallaxes of 10^2 or 10^9 objects |
C4.278 |
Winter/spring term 2016
| DATE |
SPEAKER |
TITLE |
NOTE |
| 11 Jan |
Yudai Suwa (MPA/Kyoto) |
Neutrino acceleration: analogy with Fermi acceleration and Comptonization |
|
| 25 Jan |
Alistar Currie (Imperial London) |
Updated results from the 2013 LUX dataset |
|
| 8 Feb |
Valentina Vacca (Cagliari Observatory) |
Revealing the gamma-ray sky with the D3PO algorithm |
|
| 22 Feb |
Fiorenza Donato (Turin University) |
Dark matter in the cosmic radiation: weak signals, great opportunities |
|
| 14 Mar |
Franco Vazza (Hamburg Observatory) |
Constraining non-thermal energy in galaxy clusters |
|
| 25 Apr |
Joerg Jaeckel (Heidelberg University) |
WISPy Dark Matter |
|
| 2 May |
Elena Pian (Scuola Normale Superiore di Pisa) |
Relativistic jets: an overview of recent progress |
Special time: 15:00-16:00 |
| 9 May |
Brian Reville (Queen’s University Belfast) |
Shocks, particle acceleration and magnetic fields |
|
| 23 May |
Alessandra Silvestri (Leiden) |
Unveiling dark energy from the large scale structure: challenges and progress |
|
| 13 Jun |
Alberto Dominguez (Madrid) |
All the Light There Ever Was |
|
| 27 Jun |
Jacobo Lopez Pavo |
Cosmological constraints on the seesaw scale |
|
Summer/fall term 2015
| DATE |
SPEAKER |
TITLE |
NOTE |
| 14 Sep |
Chanda Prescod-Weinstein (MIT) |
Bose-Einstein Condensates in Space! |
|
| 28 Sep |
Massimo Viola (Leiden) |
The Kilo Degree Survey: early lensing results |
|
| 12 Oct |
Emma Storm (GRAPPA) |
Predictions for Dark Matter in Galaxy Clusters from Future Radio Surveys |
|
| 26 Oct |
Daisuke Kawata (UCL) |
Spiral Arm Paradigm in Disk Galaxies |
Special time: 11:00-12:00 |
| 9 Nov |
Erik Verlinde (ITFA) |
Emergent Gravity and the Dark Universe |
Special time: 13:30-14:30 |
| 23 Nov |
Sergio Palomares Ruiz (Valencia) |
On the flavor composition of the IceCube neutrinos |
|
| 14 Dec |
Stephan Zimmer (OKC) |
Observations of nearby Galaxy Clusters with the Fermi Large Area Telescope – Towards the first Gamma Rays from Galaxy Clusters |
|
Winter/spring term 2015
| DATE |
SPEAKER |
TITLE |
NOTE |
| 12 Jan |
Alvise Raccanelli (JHU) |
Testing cosmological models with future galaxy surveys |
|
| 26 Jan |
Francesca Vidotto (Nijmegen) |
Planck Stars |
|
| 9 Feb |
Andrew Taylor-Castillo (DIAS) |
Cosmic Rays, Galactic Outflow, and Non-Thermal Emission |
|
| 23 Feb |
Christopher McCabe (GRAPPA) |
Are WIMPs in trouble? |
|
| 9 Mar |
Daniele Gaggero (SISSA) |
Connections between cosmic-ray physics, gamma-ray data analysis and Dark Matter detection |
|
| 23 Mar |
Alexander Westphal (DESY) |
Large-field inflation – strings & pheno |
|
| 13 Apr |
Kaustuv Basu (AIfA) |
A new look on diffuse radio emissions in galaxy clusters |
|
| 11 May |
Torsten Bringmann (Oslo) |
Dark Matter with Long-Range Interactions: From cosmological opportunities to model-building considerations |
|
Summer/fall term 2014
| DATE |
SPEAKER |
TITLE |
NOTE |
| 22 Sep |
Mustafa Amin (Cambridge) |
After Inflation |
|
| 13 Oct |
Thomas Schwetz (Stockholm) |
On the neutrino mass spectrum |
|
| 27 Oct |
Enrico Pajer (Utrecht) |
The Effective Field Theory of Large Scale Structures |
|
| 10 Nov |
Alessandro Mirizzi (DESY) |
What Next on Axion-like Particles: Current Bounds and Discovery Opportunities |
|
| 24 Nov |
Nassim Bozorgnia (GRAPPA) |
Probability that Dark Matter have been observed in direct detection experiments |
|
| 8 Dec |
Nicolao Fornengo (Turin) |
Particle dark matter searches in the anisotropic sky |
|
Winter/spring term 2014
| Date |
Speaker |
Title |
Note |
| 13 Jan |
Roberto Franceschini (Maryland) |
Post-LHC R-Parity Violating Supersymmetry |
|
| 27 Jan |
Alexandre Marcowith (LUPM) |
Young supernova remnants as galactic PeVatrons:prospect for the Cerenkov Telescope Array |
|
| 10 Feb |
Emilio Bellini (Heidelberg) |
Non-linearities in cosmology: the Dark Matter bispectrum |
|
| 24 Feb |
Anders Pinzke (Stockholm) |
Cosmic rays in galaxy clusters and their non-thermal emission |
|
| 10 Mar |
Irene Tamborra (GRAPPA) |
Neutrinos and supernova hydrodynamics |
|
| 24 Mar |
Basudeb Dasgupta (ICTP) |
Neutrinos, Dark Matter, and New Interactions |
|
| 14 Apr |
David Marsh (Oxford) |
On the cosmology of string theory axions, and their observational signatures |
|
| 28 Apr |
Fabian Schmidt (MPA) |
Probing the Primordial Universe with Galaxy Clustering and Shapes |
|
| 12 May |
Aaron Vincent (Valencia) |
Dark matter in the Sun: beyond standard models |
|
Summer/fall term 2013
| Date |
Speaker |
Title |
Note |
| 26 Jun |
Germani Nardini |
MSSM, Strong Phase Transition and Baryogenesis versus LHC Constraints |
D1.112 |
| 8 Jul |
Toshifumi Futamase (Tohoku U) |
Subaru weak-lensing survey of dark matter subhalos in Coma cluster |
D1.112 |
| 12 Aug |
Takeshi Kobayashi (CITA) |
Large Tensor-to-Scalar Ratio in Small-Field Inflation |
|
| 23 Sep |
Christoph Pfrommer (HITS) |
The Physics and Cosmology of TeV Blazars |
C4.278 |
| 30 Sep |
Justin Read (Surrey U) |
The Local Dark Matter Density |
|
| 7 Oct |
Kohta Murase (IAS, Princeton) |
Unveiling the Origin of High-Energy Neutrinos Observed by IceCube |
C4.278 |
| 21 Oct |
Miguel Pato (Munich) |
The way forward in dark matter searches |
C4.278 |
| 25 Oct |
Surjeet Rajendran (Stanford) |
CASPEr: the Cosmic Axion Spin Precession Experiment |
Friday 10:00–11:00, C4.278 |
| 28 Oct |
Enrico Borrielo (DESY) |
Probing Lorentz Invariance Violation with high-energy astrophysical neutrinos |
|
| 11 Nov |
Till Eifert (SLAC) |
Searches for the supersymmetric partner of the top quark with the ATLAS Detector |
|
| 18 Nov |
Ted Jacobson (Maryland) |
Spacetime approach to force-free magnetospheres |
C4.278 |
| 25 Nov |
Wessel Valkenburg (Leiden) |
A Cosmic Skeleton from Fluid Dynamics |
|
| 9 Dec |
Mark E. Dieckmann (Linkoeping University) |
Electrostatic shocks in the laboratory, in particle-in-cell simulations and in astrophysics |
C4.278 |
| 13 Dec |
Jacques Delabrouille (APC) |
CMB observations from space: Planck and beyond |
Friday 15:00–16:00 |
Winter/spring term 2013
| Date |
Speaker |
Title |
Note |
| 14 Jan |
Gary Shiu (UW, Madison) |
Primordial Fluctuations as a Probe of Fundamental Physics |
Special venue: A1.10 |
| 28 Jan |
Kumiko Kotera (IAP, Paris) |
Ultrahigh energy cosmic rays, pulsars, and supernovae |
Special venue: B0.207 |
| 4 Feb |
Toyokazu Sekiguchi (Nagoya U) |
Non-Gaussianity in isocurvature perturbations |
Special venue: A1.14 |
| 11 Feb |
Enzo Branchini (Rome) |
Galaxy Redshift Surveys: How Distortions Can Yield a Sharper View of the Universe |
Special venue: A1.14 |
| 18 Feb |
Raphael Bousso (LBL) |
The Cosmological Constant Problem and the Multiverse: Implications for Dark Energy and Dark Matter |
Special time & venue: 15:30-16:30 in A1.04 |
| 25 Feb |
Matthew Kleban (NYU) |
Testing the Multiverse with Observational Cosmology |
Special venue: A1.14 |
| 4 Mar |
Mark Lovell (Durham) |
A study of warm dark matter |
|
| 11 Mar |
Matia Fornasa (Nottingham) |
What can we learn from gamma-ray anisotropies? |
Special venue: A1.14 |
| 13 Mar |
Javier Redondo (MPP, Munich) |
Axion (and WISPy) cold dark matter |
|
| 8 Apr |
Daisuke Nagai (Yale U) |
Cosmology with CMB vs. Galaxy Clusters in the Planck Era |
Special venue: A1.06 |
| 12 Apr |
David G. Cerdeño (Madrid) |
Target complementarity for direct dark matter detection |
Special venue: A1.04 |
| 15 Apr |
Douglas Spolyar (IAP) |
Super cool Inflation-TeV scales |
Special venue: A1.14 |
| 22 Apr |
Michel Tytgat (Université Libre de Bruxelles) |
On Dark Matter creation through a Portal |
Special venue: A1.06 |
| 8 May |
Nana Cabo Bizet |
Heterotic mini-landscape in blow-up |
Special venue: D1.110 |
| 21 May |
Daan Meerburg (Princeton) |
In search of hints of resonance in the CMB power spectrum |
Special venue: D1.112 |
Summer/fall term 2012
| Date |
Speaker |
Title |
| 10 Sep |
Donghui Jeong (Johns Hopkins) |
Probing initial conditions with the large scale structure of the Universe |
| 24 Sep |
Aaron Manalaysay (Zurich) |
Beyond the WIMP: the first direct detection limits on sub-GeV dark matter |
| 8 Oct |
I-Sheng Yang (UvA) |
Stochastic Gravitational Wave Background and Binary Motion |
| 22 Oct |
Donnino Anderhalden (Zurich) |
Can CDM survive without WDM? |
| 29 Oct |
Sofia Sivertsson (KTH) |
WIMP diffusion in the Solar System and the neutrino signal from the Sun and the Earth |
| 5 Nov |
Sara Rydbeck (DESY) |
Long-lived higgsinos as probes of gravitino dark matter at the LHC |
| 12 Nov |
Cristiano Galbiati (Princeton) |
A Walk on the Dark Side |
| 26 Nov |
Alejandro Ibarra (TUM, Munich) |
Higher order effects in dark matter annihilations |
| 10 Dec |
Carsten Rott (Ohio State) |
Low-energy neutrinos as a novel signal for Dark Matter captured in the Sun |