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NPAC (Nuclear/Particle/Astro/Cosmo) Forums

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Organized by: Prof. Lu Lu


Events During the Week of April 23rd through April 30th, 2023

Monday, April 24th, 2023

No events scheduled

Tuesday, April 25th, 2023

No events scheduled

Wednesday, April 26th, 2023

No events scheduled

Thursday, April 27th, 2023

Landscape of CP Violation in Long-Baseline Neutrino Oscillation Experiments
Time: 2:30 pm - 3:30 pm
Place: CH4274 or
Speaker: Sanjib Kumar Agarwalla, Institute of Physics, Bhubaneswar/UW-Madison
Abstract: One of the fundamental properties of particles is their behavior under the CP (charge-parity) transformation and a violation of the CP symmetry may have an important connection to the observed baryon asymmetry in the Universe. In the lepton sector, the landmark discovery of non-zero 1-3 mixing angle by the Daya Bay experiment established the standard three-flavor oscillation picture of neutrinos and opened the door for a completely new and independent source of CP invariance violation in neutrino oscillation experiments. In the intensity frontier, the currently running and upcoming high-precision long-baseline neutrino oscillation experiments are the most promising avenues to observe a difference between neutrino and antineutrino transition probabilities - providing a smoking gun signature of leptonic CP violation. In this talk, after having an insightful discussion on the critical role of CP asymmetries in the appearance and disappearance channels, I will present in detail the capabilities of the next-generation long-baseline neutrino oscillation experiments DUNE and T2HK in isolation and combination to establish the leptonic CP violation at high confidence level. I will show how the possible complementarity among the on-axis DUNE and off-axis T2HK experiments can enhance the sensitivity towards leptonic CP violation by suppressing the parameter degeneracies.
Host: Francis Halzen
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Friday, April 28th, 2023

No events scheduled