Results 41 to 50 of about 9,683 (184)

Pion-Nucleon Scattering and Pion-Pion Interaction [PDF]

Progress of Theoretical Physics, 1962
Applying Cini-Fubini approximation to the Mandelstam representation for pion-nucleon scattering amplitude, we treat explicitly the effect of pion-pion interaction to be added to the dispersion relation given by Chew, Goldberger, Low and Nambu. On account of scanty information on the contribution to tl:e dispersion .integral from high-mass states, we ...
openaire   +1 more source

Isospin breaking in the pion-nucleon coupling constant and the nucleon-nucleon scattering length

Ядерна фізика та енергетика, 2016
Charge independence breaking (CIB) in the pion-nucleon coupling constant and the nucleon-nucleon scattering length is considered on the basis of the Yukawa meson theory.
V. A. Babenko, N. M. Petrov
doaj  

How to Match Cognitive Model Predictions With EEG Data

Topics in Cognitive Science, EarlyView.
Abstract Reliably identifying relevant brain areas implicated by the simulated activity from cognitive models is still an unsolved problem for cognitive modeling, particularly when matching model output with human electroencephalography (EEG) data. We propose a new method involving postprocessing of ACT‐R module activity and clustered EEG component ...
Kai Preuss, Christopher Hilton, Klaus Gramann, Nele Russwinkel   +3 more
wiley   +1 more source

Affective CT‐touch attenuates cortical responses and subjective attention during temporal summation of second pain

The Journal of Physiology, EarlyView.
Abstract figure legend The study investigated the modulatory effects of affective touch on temporal summation of second pain (TSSP) in 32 romantic couples (N = 64). The design included a dyadic session (partner's CT‐optimal stroking vs. static touch) and an individual session (robotic CT‐touch vs. vibration control).
Márcia da‐Silva, A. Ribeiro‐Carreira, Mariana Oliveira, Adriana Sampaio, Joana Coutinho, Alberto J. González‐Villar   +5 more
wiley   +1 more source

Catecholaminergic Contributions to Inhibitory Control Following Physical Fatigue: Behavioral and Neurophysiological Findings

European Journal of Sport Science, Volume 26, Issue 9, September 2026.
ABSTRACT Acute physical fatigue can impair cognitive control, yet its underlying neurochemical mechanisms remain unclear. This study investigated whether catecholaminergic modulation influences behavioral and neural markers of inhibitory control following physical fatigue.
Y. Laurisa Arenales Arauz, Nina Omejc, Maria Alejandra Diaz, Jelle Habay, Bram Vanderborght, Kevin De Pauw, Bart Roelands, Uros Marusic   +7 more
wiley   +1 more source

Pion‐Pion‐Streuung [PDF]

Physikalische Blätter, 1975
AbstractDie experimentelle Situation — Theoretische Grundlagen — Schranken für Streulängen.
openaire   +1 more source

Ultrasound, PET/CT or temporal artery biopsy for giant cell arteritis? A prospective diagnostic accuracy study (the GAME‐study)

Acta Ophthalmologica, Volume 104, Issue 6, Page e695-e708, September 2026.
Abstract Purpose To investigate the diagnostic performance of ultrasound, 2‐deoxy‐2‐[18F]fluoro‐D‐glucose positron emission tomography/computed tomography (2‐[18F]FDG PET/CT) and temporal artery biopsy (TAB) in giant cell arteritis (GCA). Methods This was a prospective single‐centre diagnostic accuracy study (ClinicalTrials.gov NCT05248906).
Michael S. Hansen, Lene Terslev, Uffe M. Døhn, Viktoria Fana, Jane M. Brittain, Anne K. Wiencke, Steffen Heegaard, Mads R. Jensen, Oliver N. Klefter, Yousif Subhi, Steffen Hamann   +10 more
wiley   +1 more source

PION–PION SCATTERING ABOVE RESONANCES [PDF]

Meson 2002, 2003
A talk presented at the MESON2002, 7th International Workshop on Production, Properties and Interactions of Mesons; Cracow, Poland, 24-28 May ...
openaire   +2 more sources

On the impact of mass difference between the pions (π±-π0) and the nucleons (n-p) on the charge independence breaking of nuclear forces

Ядерна фізика та енергетика, 2017
Charge dependence of the pion-nucleon coupling constants and the 1S0-state low-energy nucleon-nucleon scattering parameters are studied on the basis of the Yukawa meson theory.
V. A. Babenko, N. M. Petrov
doaj  

The width of the Δ-resonance at two loop order in baryon chiral perturbation theory

Physics Letters B, 2016
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 pion–delta couplings, which is relevant for the analysis of pion–nucleon ...
Jambul Gegelia, Ulf-G. Meißner, Dmitrij Siemens, De-Liang Yao   +3 more
doaj   +1 more source