Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session 2WBA: Precision Muon and Pion Physics to Test the Standard Model IInvited Workshop
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Chair: Tsutomu Mibe Room: Hilton Waikoloa Village Kona 1 |
Sunday, November 26, 2023 2:00PM - 2:30PM |
2WBA.00001: Flavor Beyond the Standard Model Invited Speaker: Motoi ENDO Precision physics plays a unique role in the quest for physics beyond the Standard Model. Its effects are probed as experimental results that conflict with the Standard Model predictions, so-called anomalies. In particular, the long-standing anomalies of the muon g-2 as well as the observations of violations of the lepton flavor universality and CKM unitarity have provided persistent hints to reveal physics beyond the Standard Model. In this talk, we will overview theoretical prospects for physics beyond the Standard Model in light of future precise measurements of muon and pions. |
Sunday, November 26, 2023 2:30PM - 3:00PM |
2WBA.00002: New results from the Fermilab Muon g-2 experiment Invited Speaker: Renee H Fatemi Precision measurements of the static properties of leptons and baryons are increasingly important in an era where signatures of Beyond the Standard Model physics remain conspicuously absent from experiments operating at the energy frontier. The anomalous magnetic moment of the muon aμ = (g-2)/2 can be theoretically calculated and measured to extraordinary precision, permitting a unique sensitivity to contributions from new particles and forces. In 2021 the muon g-2 experiment at Fermilab published a new measurement of aμ, confirming with similar precision (0.46 ppm), the previous measurement made two decades earlier at Brookhaven National Lab. This talk will present an updated value of aμ, with a factor of 2 increase in precision, based on data taken at Fermilab in 2019 and 2020. Leading systematic effects and comparisons to the Run 1 result will be discussed. |
Sunday, November 26, 2023 3:00PM - 3:30PM |
2WBA.00003: Muon g-2 Theory: current status and future prospects Invited Speaker: Aida X El-Khadra The anomalous magnetic moment of the muon is being measured to unprecedented precision by the Frermilab g-2 experiment, while the J-PARC experiment plans to obtain an independent measurement using a complementary method. This presents a unique opportunity search for new physics at the precision frontier, provided that the Standard Model prediction can be obtained with commensurate precision. Recent developments have created several puzzles in the evaluation of the hadronic vacuum polarization contribution, which is the dominant source of theory uncertainty. I will review the current status of Standard Model theory for quantity and map out the future prospects. |
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