Theory
Programme Leader
Eric Laenen (until August), Robert Fleischer (since September)
Analysis highlights
- Boer, T. van Daal, P. Mulders, E. Petreska, direct flow from C-odd gluon correlations at small x
- Bertone, R. Gauld, J. Rojo, Neutrino telescopes as QCD microscopes
- Herzog: Geometric IR subtraction for final state radiation
- A.V. Manohar, W. Waalewijn, Electroweak logarithms in inclusive cross sections
- R.V. Harlander, J. Klappert, C. Pandini, A. Papaefstathiou, Exploiting the WH/ZH symmetry in the search for new physics
- Banelli, R. Fleischer, R. Jaarsma, G. Tetlalmatzi-Xolocotzi, Decoding (pseudo)-scalar operators in leptonic and semileptonic B decays
- Mulders, Emergent symmetries of the Standard Model
- de Vries, M. Postma, J. van de Vis and G. White, electroweak baryogenesis and the standard model effective field theory
Computer codes
- FORM 4.2 (J. Vermaseren, F. Herzog, T. Ueda, et al.)
- Herwig 7.1 (A. Papaefstathiou et al.)
- MadGraph5_aMC@NLO (M. Zaro et al.)
Interaction with experimental groups:
- Informal workshop series “Theory Meets Experiment” (R. Fleischer, O. Igonkina, M. Merk)
- Joint publication with ATLAS members: M. de Beurs, E. Laenen, M. Vreeswijk, E. Vryonidou, Effective operators in t-channel single top production and decay
Visitors:
Rohini Godbole (Bangalore), Chris Quigg (FNAL), Asmita Mukherjee (Mumbai), Carlos Salgado (Santiago de Compostela), et al.
(Co)-organisation of Workshops and Conferences:
- SCET 2018 and COST Workshop on pQCD (W. Waalewijn, E. Laenen, L. Vernazza)
- NNPDF Collaboration Meeting (J. Rojo)
- Tau 2018 (O. Igonkina (chair), R. Fleischer)
Awards
- Christine Mohrmann Stipendium: Melissa van Beekveld
- Jan Kluyver Prize: Jacopo Fumagalli
- Sander Bais Prize: Philine van Vliet
Physics Data Processing
Programme Leader
Jeff Templon
Main points: scientific
- First VIRGO analysis making significant use of Grid computing
- Collaboration with University of Amsterdam on GPU-based tracking algorithms
- Keynote Talk CHEP 2018: “HEP strategy for parallelism” (G. Raven)
Main points: technical
- Significant upgrade of institute computing cluster (“Stoomboot”), grid computing cluster and grid storage cluster
- Stoomboot and grid computing upgrades non-Intel
- First general-purpose GPU machines installed
- Successful prototype of POWER-based Data Transfer Node
- Participation in specification of next Dutch Supercomputer
- Key role in penetration tests of certain Dutch government organisations
Key positions in collaborations
- WLCG Overview Board: Jeff Templon
- Dutch National e-Infrastructure Executive Team: Jeff Templon and David Groep
Main paper in 2018
- 100G DTN, T. Suerink, https://fasterdata.es.net/science-dmz/DTN/100g-dtn/
Detector R&D
Programme Leader
Niels van Bakel
Main points: scientific
- CERN test beam with fast sensors on Timepix3
Main points: technical
- Development of a lab alignment system based on quadrant photon diodes (QPD).
- Collaboration with two Dutch photonics companies, Bright Photonics & Smart Photonics, to fabricate QPDs for the space-based GW interferometer LISA.
- Development of the QUAD detector: a gaseous pixel detector for the ILC time projection chamber
- New cleanroom for optical lab in Silicon alley
Awards
- NWO TTW Take-off feasibility study grant: Holographic emitter, M. Fransen
Main paper
- White Rabbit Absolute Calibration. ISPCS-2018, October 5 at CERN Geneva; P. Jansweijer, H. Peek, Best paper award at the ISPCS symposium 2018