Multi-particle-state contributions to hadronic correlation functions using chiral perturbation theory

• Applicant: Professor Dr. Agostino Patella, since 8/2020
• Subject Area: Nuclear and Elementary Particle Physics, Quantum Mechanics, Relativity, Fields
• Term: from 2016 to 2023
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 313770616

• Final Report Year: 2023

No abstract available

Publications

• Nucleon-pion-state contribution in lattice calculations of the nucleon chargesgA,gTandgS. Physical Review D, 94(5).
  Bär, Oliver
  
• Chiral perturbation theory and nucleon–pion-state contaminations in lattice QCD. International Journal of Modern Physics A, 32(15), 1730011.
  Bär, Oliver
  
• Nucleon-pion-state contribution in lattice calculations of moments of parton distribution functions. Physical Review D, 95(3).
  Bär, Oliver
  
• Multi-hadron-state contamination in nucleon observables from chiral perturbation theory. EPJ Web of Conferences, 175, 01007.
  Bär, Oliver
  
• Three-particle Nππ state contribution to the nucleon two-point function in lattice QCD. Physical Review D, 97(9).
  Bär, Oliver
  
• Nucleon-pion-state contamination in the lattice determination of the axial form factors of the nucleon. Proceedings of The 36th Annual International Symposium on Lattice Field Theory — PoS(LATTICE2018), 061. Sissa Medialab.
  Bär, Oliver
  
• Nπ -state contamination in lattice calculations of the nucleon axial form factors. Physical Review D, 99(5).
  Bär, Oliver
  
• Nπ -state contamination in lattice calculations of the nucleon pseudoscalar form factor. Physical Review D, 100(5).
  Bär, Oliver
  
• Nπ-excited state contamination in nucleon 3-pt functions using ChPT. Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019), 078. Sissa Medialab.
  Bär, Oliver
  
• Nπ states and the projection method for the nucleon axial and pseudoscalar form factors. Physical Review D, 101(3).
  Bär, Oliver
  
• Nπ -state contamination in lattice calculations of the nucleon electromagnetic form factors. Physical Review D, 103(11).
  Bär, Oliver & Čolić, Haris
  
• Bπ-excited state contamination in B-meson observables. Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022), 402. Sissa Medialab.
  Bär, Oliver; Broll, Alexander & Sommer, Rainer
  
• Estimating excited states contamination of $B \to \pi$ Form Factors Using Heavy Meson Chiral Perturbation Theory. Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022), 406. Sissa Medialab.
  Broll, Alexander; Bar, Oliver & Sommer, Rainer
  
• Nucleon-pion-state contamination in lattice computations of the nucleon electromagnetic form factors. Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021), 455. Sissa Medialab.
  Bär, Oliver & Colic, Haris
  
• Bπ excited-state contamination in lattice calculations of B-meson correlation functions. The European Physical Journal C, 83(8).
  Bär, Oliver; Broll, Alexander & Sommer, Rainer