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Costas Andreopoulos

Welcome to my home page!

I am a Chair of Experimental Particle Physics at the Department of Physics of the University of Liverpool, and a Scientist at the Particle Physics Department of the Rutherford Appleton Laboratory operated by the Science & Technology Facilities Council (STFC), part of UK Research and Innovation (UKRI).

I study one of the most extraordinary, weird, mysterious characters in our universe: the Neutrino! I perform precision measurements of neutrino interactions and neutrino oscillations to uncover new physics and investigate the origin of matter-antimatter asymmetry in the universe.

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Further particulars on my research can be found here. I am mainly active on the following projects:

I am centrally involved in preparations for the physics exploitation of the Fermilab Short-Baseline Neutrino (SBN) Programme, in particular in the SBN Near Detector (SBND). I serve as a member of the SBND Executive Committee (2020-present), SBND Physics co-Coordinator (2017-present), and as Systematics & Oscillation Sensitivity WG co-Coordinator (2018-2022) for the overall SBN programme. I lead the development of a simultaneous sterile neutrino oscillation and systematics constraint fit for SBN, as well as preparations for SBND neutrino cross-section measurements of unprecedented precision.

I am a member of the T2K experiment in Japan where, over the past decade, I performed flagship oscillation measurements. I am founder and coordinator of the VALOR fitting group which, from 2010 to present, has produced over 20 reviewed oscillation physics analyses and it has contributed to 12 published T2K papers, an effort culminating in the 2020 Nature paper on T2K neutrino CP violation constraints. Details on the prolific T2K output of the VALOR group can be found in here.

I am co-spokesperson of the international GENIE collaboration, and one of the main authors of the well-known GENIE neutrino event generator, as well as of the corresponding global analysis of neutrino scattering data informing GENIE tunes. GENIE performs influential phemomenology research in the boundary between nuclear and particle physics, provides a bridge between theory and measurement, and it is a key ingredient in the exploitation effort of many experiments.

I am one of the founders, main authors and coordinator of the VALOR fitting group. The group plays a central role both in the physics exploitation and design optimisation several experiments, both by maintaining and developing the VALOR Software Development Kit (SDK), and by implementing and performing numerous data analyses and sensitivity studies on top of that SDK.