Bulletin of the American Physical Society
APS April Meeting 2021
Volume 66, Number 5
Saturday–Tuesday, April 17–20, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session Q02: Intersections of Nuclear and Particle PhysicsInvited Live Undergrad Friendly
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Sponsoring Units: DNP DPF Chair: Abha Rajan, Virginia |
Monday, April 19, 2021 10:45AM - 11:21AM Live |
Q02.00001: Particle physics with neutrons Invited Speaker: Nguyen Phan In the coming years, experiments using neutrons will continue to address important scientific questions in a wide range of fields. For particle physics and its ever growing interdependence with cosmology, elucidating how the observed matter/anti-matter asymmetry in the Universe came to be remains one of the most important goals. Two of the conditions necessary to explain this asymmetry involve violations of time-reversal symmetry and/or CP symmetry and baryon number. Efforts to study the former include measurements of the neutron electric dipole moment while the latter involve searches for the conversion of free neutrons into antineutrons and/or sterile neutrons. Furthermore, there exists many ongoing experiments using neutrons to conduct precision tests for new physics beyond the Standard Model. Examples of some of these are searches for new forces and extra dimensions and much improved measurements of the observables in free neutron beta-decay. Because the list of particle physics experiments using neutrons is rather extensive, in this talk I will review only some of current experimental efforts in this broad and burgeoning field. [Preview Abstract] |
Monday, April 19, 2021 11:21AM - 11:57AM Live |
Q02.00002: Neutrino-Nucleus Scattering in Neutrino Oscillation Experiments Invited Speaker: Shirley Li Accelerator-based neutrino experiments are taking the center stage of the neutrino oscillation program. These experiments use beam neutrinos with energies between 500 MeV and 5 GeV and detect them by their interactions with nuclei. Understanding neutrino-nucleus interaction cross sections and their uncertainties is crucial to the success of the neutrino oscillation program. In this talk, I will discuss how neutrino-nucleus cross sections impact the experimental measurements. I will review the current status of the cross section calculations and estimations of their uncertainties. I will also highlight both theoretical and experimental efforts to improve our understanding of this problem. [Preview Abstract] |
Monday, April 19, 2021 11:57AM - 12:33PM Live |
Q02.00003: Electron Ion Collider and its relation to HEP Invited Speaker: Rikutaro Yoshida The Electron-Ion-Collider (EIC) has been approved as a DOE project last year and is planned to be operational in the 2030s. It is, currently, the only new major accelerator and collider that any agency in the world is planning to build; and the first major facility of its kind in US since RHIC. It is a collider which is built primarily to answer Nuclear Physics questions. However, the EIC is a Deep Inelastic Scattering collider operating at high-energies that will probe the structure of the proton as well as QCD, and will operate concurrently with HL-LHC. High polarization planned for both the proton (and light hadron) beams as well as the electron beams will mean exploration of uncharted territory. There is already some theoretical interest from the HEP community. Is there a case for HEP experimentalists to get involved? [Preview Abstract] |
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