Stefan Leupold
Professor at Institutionen för fysik och astronomi; Kärnfysik
- Telephone:
- +46 18 471 34 41
- E-mail:
- stefan.leupold@physics.uu.se
- Visiting address:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postal address:
- Box 516
751 20 UPPSALA
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Short presentation
The research of my theory group is focused on the strong interaction, one of the four known fundamental forces. We contribute to high-precision standard-model calculations with the aim to search for differences between nature and our theoretical description of it. In addition, we want to gain a better quantitative understanding how quarks form composite objects, the hadrons.
For more details see also the presentation of my research group.
You can find me at Ångström office 12136.
Publications
Recent publications
- Goldberger-Treiman relation and Wu-type experiment in the decuplet sector (2024)
- Light quark mass dependence of nucleon electromagnetic form factors in dispersively modified chiral perturbation theory (2023)
- Sum rule for the partial decay rates of bottom hadrons based on the dynamical supersymmetry of the (s)over-bar quark and the ud diquark (2022)
- Estimates for rare three-body decays of the Omega baryon using chiral symmetry and the Delta I=1/2 rule (2022)
- Study of CP violation in hyperon decays at super-charm-tau factories with a polarized electron beam (2022)
All publications
Articles
- Goldberger-Treiman relation and Wu-type experiment in the decuplet sector (2024)
- Light quark mass dependence of nucleon electromagnetic form factors in dispersively modified chiral perturbation theory (2023)
- Sum rule for the partial decay rates of bottom hadrons based on the dynamical supersymmetry of the (s)over-bar quark and the ud diquark (2022)
- Estimates for rare three-body decays of the Omega baryon using chiral symmetry and the Delta I=1/2 rule (2022)
- Study of CP violation in hyperon decays at super-charm-tau factories with a polarized electron beam (2022)
- Electromagnetic transition form factors and Dalitz decays of hyperons (2021)
- The anomalous magnetic moment of the muon in the Standard Model (2020)
- Dynamics of critical fluctuations (2020)
- Radiative corrections for the decay Sigma(0) -> Lambda e(+)e(-) (2020)
- Electromagnetic form factors of the transition from the spin-3/2 Σ to the Λ hyperon (2020)
- Nucleon parton distributions from hadronic quantum fluctuations (2019)
- Low-energy axial-vector transitions from decuplet to octet baryons (2019)
- Constraining P and CP violation in the main decay of the neutral Sigma hyperon (2019)
- Polarization observables in e(+) e(-) annihilation to a baryon-antibaryon pair (2019)
- Chiral-partner D mesons in a heat bath within QCD sum rules (2018)
- Pion-Pole Contribution to Hadronic Light-By-Light Scattering in the Anomalous Magnetic Moment of the Muon (2018)
- Dispersion relation for hadronic light-by-light scattering (2018)
- The relativistic chiral Lagrangian for decuplet and octet baryons at next-to-leading order (2018)
- Radiative corrections to the η(') Dalitz decays (2018)
- The nucleon as a test case to calculate vector-isovector form factors at low energies (2018)
- Towards a dispersive determination of the pion transition form factor (2018)
- Measurement of the ω → π+π−π0 Dalitz plot distribution (2017)
- The electromagnetic Sigma-to-Lambda hyperon transition form factors at low energies (2017)
- Lifetime of the eta’ meson at low temperature (2016)
- Renormalisation of the low-energy constants of chiral perturbation theory from loops with dynamical vector mesons (2016)
- Two-hadron saturation for the pseudoscalar-vector-vector correlator and phenomenological applications (2015)
- Dispersive analysis of the pion transition form factor (2014)
- Photon-fusion reactions from the chiral Lagrangian with dynamical light vector mesons (2013)
- Off-equilibrium photon production during the chiral phase transition (2013)
- The impact of dissipation and noise on fluctuations in chiral fluid dynamics (2013)
- Dynamics of the low-lying pseudoscalar and vector mesons (2013)
- Reactions with pions and vector mesons in the sector of odd intrinsic parity (2013)
- Exclusive measurement of the eta -> pi(+) pi(-) gamma decay (2012)
- The WASA focussing light guide disc DIRC (2012)
- Four-quark condensates in open-charm chiral QCD sum rules (2012)
- The impact of chirally odd condensates on the rho meson (2012)
- Vector-meson dominance revisited (2012)
- Towards an effective field theory for vector mesons (2012)
- Nonequilibrium effects in dynamic symmetry breaking (2012)
- Equilibration and relaxation times at the chiral phase transition including reheating (2012)
- Electromagnetic transitions in an effective chiral Lagrangian with the eta ' and light vector mesons (2012)
- Radiative decays of vector and pseudoscalar nonets (2012)
- Electromagnetic transition form factors of mesons (2012)
- WHAT IS THE NATURE OF THE ABC EFFECT? (2011)
- SEARCH FOR EXOTIC EFFECTS IN eta MESON LEPTONIC DECAYS (2011)
- Measurement of the transition form factor of η meson with WASA-at-COSY (2011)
- Description of Fully Differential Drell-Yan Pair Production (2011)
- Design of a disc DIRC detector for the WASA experiment (2011)
- CHARGE SYMMETRY BREAKING IN dd -> (4)He pi(0) WITH WASA-at-COSY (2011)
- Chiral QCD sum rules for open-charm mesons (2011)
- STUDY OF THE eta -> gamma e(+)e(-) DECAY WITH THE WASA-at-COSY (2011)
- STUDIES OF MESON PRODUCTION AND DECAYS IN pd -> (3)He X WITH WASA-at-COSY (2011)
- LEADING MODES OF 3 pi(0) PRODUCTION IN PROTON-PROTON COLLISIONS AT INCIDENT PROTON MOMENTUM 3.35 GeV/c (2011)
- Measurement of the branching ratio of a rare decay η→π0γγ with WASA‐at‐COSY (2011)
- Nonequilibrium chiral fluid dynamics including dissipation and noise (2011)
- INVESTIGATION OF THE CHARGE SYMMETRY CONSERVING REACTION dd -> (3)He n pi(0) WITH WASA-at-COSY (2011)
- Meson Production and Decays with WASA at COSY (2011)
- Experimental study of ppη dynamics with WASA-at-COSY (2011)
- MEASUREMENT OF dd -> (3)He p pi(-) WITH WASA-at-COSY (2011)
- Study of charge symmetry breaking in dd collisions with WASA-at-COSY (2011)
- Search for the η → e+e−e+e− double Dalitz decay (2011)
- Hadrons in Medium (2010)
- Electromagnetic transition form factors of light vector mesons (2010)
Books
Conferences
- Interactions of light mesons with photons (2014)
- Low-lying pseudoscalar and vector mesons and their dynamics (2014)
- Reactions with pions and vector mesons in the sector of odd intrinsic parity (2014)
- Non-equilibrium photon production arising from the chiral mass shift (2013)
- Leading Modes of 3pi0 production in proton-proton collisions at incident proton momentum of 3.35 GeV/c (2011)
- Studies of meson production and decays in pd -> 3HeX with WASA-at-COSY (2011)
