H
Heinrich Leutwyler
Researcher at University of Bern
Publications - 178
Citations - 22727
Heinrich Leutwyler is an academic researcher from University of Bern. The author has contributed to research in topics: Quark & Quantum chromodynamics. The author has an hindex of 59, co-authored 175 publications receiving 21567 citations. Previous affiliations of Heinrich Leutwyler include University of California, Santa Barbara & Swiss National Science Foundation.
Papers
More filters
Journal ArticleDOI
Chiral perturbation theory to one loop
J. Gasser,Heinrich Leutwyler +1 more
TL;DR: In this article, the low energy representation of several Green's functions and form factors and of the na scattering amplitude are calculated in terms of a few constants, which may be identified with the coupling constants of a unique effective low energy Lagrangian.
Journal ArticleDOI
Chiral Perturbation Theory: Expansions in the Mass of the Strange Quark
Jürg Gasser,Heinrich Leutwyler +1 more
TL;DR: In this paper, the authors construct the generating functional of U(3)×U(3), which allows them to calculate the Green functions up to and including terms of order p4 (at fixed radio m quark p 2 ) in terms of a few coupling constants which chiral symmetry leaves undetermined.
Journal ArticleDOI
Advantages of the color octet gluon picture
TL;DR: In this article, it is pointed out that there are several advantages in abstracting properties of hadrons and their currents from a Yang-Mills gauge model based on colored quarks and color octet gluons.
Journal ArticleDOI
Review of lattice results concerning low-energy particle physics
Sinya Aoki,Yasumichi Aoki,Yasumichi Aoki,Yasumichi Aoki,Damir Becirevic,Claude Bernard,Tom Blum,Tom Blum,Gilberto Colangelo,M. Della Morte,M. Della Morte,Petros Dimopoulos,Stephan Dürr,Stephan Dürr,Hidenori Fukaya,Maarten Golterman,Steven Gottlieb,Shoji Hashimoto,Shoji Hashimoto,Urs M. Heller,Roger Horsley,Andreas Jüttner,T. Kaneko,T. Kaneko,Laurent Lellouch,Heinrich Leutwyler,C.-J. D. Lin,C.-J. D. Lin,Vittorio Lubicz,E. Lunghi,Robert D. Mawhinney,Tetsuya Onogi,Carlos Pena,Christopher T. Sachrajda,Stephen R. Sharpe,Silvano Simula,Rainer Sommer,Anastassios Vladikas,Urs Wenger,Hartmut Wittig +39 more
TL;DR: The determination of the light-quark masses, the form factor, and the decay-constant ratio arising in semileptonic $$K \rightarrow \pi $$K→π transition at zero momentum transfer are reported on.
Journal ArticleDOI
Chiral lagrangians for massive spin-1 fields
TL;DR: In this paper, the structure of the effective couplings induced by vector and axial-vector exchange is model independent, provided consistency with QCD asymptotic behaviour is incorporated.