Bulletin of the American Physical Society
86th Annual Meeting of the APS Southeastern Section
Volume 64, Number 19
Thursday–Saturday, November 7–9, 2019; Wrightsville Beach, North Carolina
Session B01: BSM Particle Physics |
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Chair: Reyco Henning, University of North Carolina at Chapel Hill Room: Holiday Inn Resort Causeway/Masonboro |
Thursday, November 7, 2019 11:00AM - 11:30AM |
B01.00001: Searches for Neutrinoless Double-Beta Decay Invited Speaker: Thomas O'Donnell The first decade of the 21st century saw the culmination of several tenacious experiments which placed the phenomenon of neutrino flavor oscillation on a firm experimental footing and with it the existence of nonzero neutrino masses. The consequences of this discovery are still being explored, in particular the question of whether or not neutrinos are Majorana particles. The quest to observe neutrinoless double-beta (0νββ) decay has been at the forefront of experimental efforts to explore this question. This decay has a relatively robust experimental signature and its discovery would at once demonstrate lepton number violation and establish that neutrinos are Majorana fermions. In addition the observed decay rates would shed light on the absolute neutrino mass scale. In this talk, we will discuss the motivation for neutrinoless double beta-decay, and review ongoing experimental searches and the prospects for next- generation experimental efforts. [Preview Abstract] |
Thursday, November 7, 2019 11:30AM - 12:00PM |
B01.00002: COHERENT Elastic Neutrino Nucleus Scattering at the SNS: CEvNS and Beyond the Standard Model Physics Invited Speaker: Matthew P. Green Coherent Elastic Neutrino Nucleus Scattering (CEvNS) was predicted in 1974 as a consequence of the Weak Neutral Current. Despite being well-predicted by the Standard Model, the daunting technical requirements of low-energy nuclear recoil detection associated with the process resulted in over 40 years elapsing between prediction and observation. The COHERENT Collaboration performed the first successful detection of the CEvNS process, opening a new channel for investigation of beyond the standard model physics that would present as deviations from the standard-model-predicted cross sections or spectral shape. An overview of the COHERENT experiment's current status, future plans, and the potential avenues for beyond the standard model physics investigations will be discussed. [Preview Abstract] |
Thursday, November 7, 2019 12:00PM - 12:30PM |
B01.00003: The Muon g-2 Experiment and CPT/Lorentz-Violation Invited Speaker: Breese Quinn The Muon $g-2$ Experiment now running at Fermilab aims to resolve the current $3.7\sigma$ experiment-theory discrepancy in the anomalous magnetic moment of the muon, $a_\mu = (g-2)/2$. Among the possible sources of new physics that could account for a non-zero value for $a_\mu$ are CPT or Lorentz Invariance violations. Previous muon $g-2$ experiments have set the majority of the most stringent limits on Standard-Model Extension CPT and Lorentz violation in the muon sector. These limits are consistent with calculations of the level of Standard-Model Extension effects required to account for the current $a_\mu$ discrepancy. The status and prospects of the Fermilab Muon $g-2$ Experiment measurement of $a_\mu$ and searches for CPT/Lorentz violation will be presented. [Preview Abstract] |
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