Robert Szafron

Brookhaven National Laboratory

Physics Department
Bldg. 510A, Room 2-20
P.O. Box 5000
Upton, NY 11973-5000

(631) 344-3738
rszafron@bnl.gov

Expertise | Appointments | Publications

Expertise

• Collider physics
• Precision computations
• Effective field theories
• Bound state physics
• QCD and QED corrections
• Power corrections 

Professional Appointments

• 2023 - present; Associate Scientist, Brookhaven National Laboratory, US
• 2021 - 2022; Assistant Scientist, Brookhaven National Laboratory, US
• 2019-2020; Senior Research Fellow, CERN, Switzerland 
• 2016-2019; Postdoctoral Fellow, TU Munich, Germany
• 2012-2016; Postdoctoral Fellow, University of Alberta, Canada

Selected Publications

• Beneke M, Bobeth C, Szafron R (2019) Power-enhanced leading-logarithmic QED corrections to Bq→ μ+μ−. Journal of High Energy Physics 2019:. https://doi.org/10.1007/jhep10(2019)232
• Beneke M, Broggio A, Garny M, et al (2019) Leading-logarithmic threshold resummation of the Drell-Yan process at next-to-leading power. Journal of High Energy Physics 2019:. https://doi.org/10.1007/jhep03(2019)043
• Beneke M, Bobeth C, Szafron R (2018) Enhanced Electromagnetic Corrections to the Rare Decay Bs,d→μ+μ−. Physical Review Letters 120:. https://doi.org/10.1103/physrevlett.120.011801
• Czarnecki A, Dowling M, Piclum J, Szafron R (2018) Two-Loop Binding Corrections to the Electron Gyromagnetic Factor. Physical Review Letters 120:. https://doi.org/10.1103/physrevlett.120.043203
• Beneke M, Garny M, Szafron R, Wang J (2018) Anomalous dimension of subleading-power N-jet operators. Journal of High Energy Physics 2018:. https://doi.org/10.1007/jhep03(2018)001
• Beneke M, Hager P, Szafron R (2022) Gravitational soft theorem from emergent soft gauge symmetries. Journal of High Energy Physics 2022:. https://doi.org/10.1007/jhep03(2022)199
• Gluza J, Jelinski T, Szafron R (2016) Lepton number violation and 'Diracness' of massive neutrinos composed of Majorana states. Physical Review D 93:. https://doi.org/10.1103/physrevd.93.113017
• Beneke M, Szafron R, Urban K (2020) Wino potential and Sommerfeld effect at NLO. Physics Letters B 800:135112. https://doi.org/10.1016/j.physletb.2019.135112
• Abreu S, Gaunt JR, Monni PF, Szafron R (2022) The analytic two-loop soft function for leading-jet pT. Journal of High Energy Physics 2022:. https://doi.org/10.1007/jhep08(2022)268
• Czarnecki A, Szafron R (2016) Light-by-light scattering in the Lamb shift and the bound electron g factor. Physical Review A 94:. https://doi.org/10.1103/physreva.94.060501
• Davoudiasl H, Gehrlein J, Szafron R (2022) Is the θ¯ Parameter of QCD Constant? Physical Review Letters 129:. https://doi.org/10.1103/physrevlett.129.161802
• Jegerlehner F, Szafron R (2011) ρ 0–γ mixing in the neutral channel pion form factor $F^{(e)}_{\pi}(s)$ and its role in comparing e + e − with τ spectral functions. The European Physical Journal C 71:. https://doi.org/10.1140/epjc/s10052-011-1632-3