10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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4 papers · 2 filters
The width of the -resonance at two loop order in baryon chiral perturbation theory
Jambul Gegelia, Ulf-G. Meißner, Dmitrij Siemens +1
We calculate the width of the delta resonance at leading two-loop order in baryon chiral perturbation theory. This gives a correlation between the leading pion-nucleon-delta and pi…
The width of the Roper resonance in baryon chiral perturbation theory
Jambul Gegelia, Ulf-G. Meißner, De-Liang Yao
We calculate the width of the Roper resonance at next-to-leading order in a systematic expansion of baryon chiral perturbation theory with pions, nucleons, and the delta and Roper…
Pion-nucleon scattering in covariant baryon chiral perturbation theory with explicit Delta resonances
De-Liang Yao, D. Siemens, V. Bernard +5
We present the results of a third order calculation of the pion-nucleon scattering amplitude in a chiral effective field theory with pions, nucleons and delta resonances as explici…
Size of Shell Universe in Light of Fermi GBM Transient Associated with GW150914
Merab Gogberashvili, Alexander Sakharov, Edward Sarkisyan-Grinbaum
The possible gamma ray burst occurred in location and temporal consistence with gravitational wave event GW150914, as reported by Fermi Gamma-ray Burst Monitor (GBM), offers a new…