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g-2 within a model for R(s)

Grant number: 22/01502-9
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2022
Effective date (End): December 31, 2022
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal Investigator:Diogo Rodrigues Boito
Grantee:Lucas Morethes Mansur
Host Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated research grant:21/06756-6 - Testing the standard model: precision QCD and muon g-2, AP.JP2


With the recent experimental measurement of g - 2of the muon at Fermilab, this observable shows now a tension at level of 4.2 standard deviations with respect to the standard model predictions. In the present research project, we will build a realistic model for the cross-section for e+e- to hadrons, from which the hadronic vacuum polarization contribution to the muon g -2 can be extracted using a dispersion relation. The student will be introduced to particle physics, quantum field theory, and to the methods employed in the state-of-the-art evaluation of g - 2 within the Standard Model.(AU)

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