Results 51 to 60 of about 9,521 (182)
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 +3 more
doaj +1 more source
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 +5 more
wiley +1 more source
Evaluation of the two lightest quark masses
Ядерна фізика та енергетика, 2017 Simple relations between the masses of the two lightest up and down quarks were obtained on the basis of the simple physically based model compatible with the present-day theory of strong interactions, i.e. with quantum chromodynamics.
V. A. Babenko, N. M. Petrov
doaj
Dispersion relations for hadronic light-by-light scattering and the muon g – 2
EPJ Web of Conferences, 2018 The largest uncertainties in the Standard Model calculation of the anomalous magnetic moment of the muon (g – 2)μ come from hadronic effects, and in a few years the subleading hadronic light-by-light (HLbL) contribution might dominate the theory error ...
Procura Massimiliano +3 more
doaj +1 more source
Pion nucleus Drell–Yan process and parton transverse momentum in the pion
European Physical Journal C: Particles and Fields, 2018 We present a thorough analysis of unpolarized Drell–Yan (DY) pair production in pion–nucleus scattering. On the nucleus side, we use nuclear parton distributions along with parametrisations of the nucleon partonic transverse distribution available in the
Federico Alberto Ceccopieri +3 more
doaj +1 more source
Successful Single‐Session Neural Self‐Regulation Through Neurofeedback Varies Between Features
Human Brain Mapping, Volume 47, Issue 11, August 2026.We demonstrate that the ‘non‐learner’ problem is not a universal personal trait: using an intra‐subject cross‐over design, all participants successfully regulated multiple rhythms despite failing to modulate Theta. We identify distinct learning trajectories, highlighting the importance of frequency specificity in neural self‐regulation.
Syrjänen E, Silva J, Astrand E
wiley +1 more source
Narcissism Is Associated With Blunted Error‐Related Brain Activity
Journal of Personality, Volume 94, Issue 4, Page 741-757, August 2026.ABSTRACT Objective Narcissism is associated with self‐enhancement and social antagonism, yet its neural underpinnings, particularly in error processing, remain underexplored. Competing theoretical models, such as the mask model and the metacognitive model, offer conflicting hypotheses regarding how narcissism influences early neural responses to errors.
Esther M. Robins +5 more
wiley +1 more source
Topological Materials and Related Applications
Advanced Electronic Materials, Volume 12, Issue 13, 6 July 2026.This review covers topological materials—including topological insulators, quantum valley Hall and quantum spin Hall insulators, and topological Weyl and Dirac semimetals—as well as their most recent advancements in fields such as spintronics, electronics, photonics, thermoelectrics, and catalysis.
Carlo Grazianetti +9 more
wiley +1 more source
QCD phase structure at finite isospin chemical potential and smaller-than-physical quark mass [PDF]
EPJ Web of ConferencesIntroduction of a nonzero isospin chemical potential in QCD leads to the emergence of a pion condensed phase at sufficiently large μI, bounded by a second order transition line. At zero temperature the pion condensate appears at μI = mπ/2.
Brandt Bastian B. +3 more
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Pion-Nulceon Scattering and the Structure of the Pion [PDF]
Progress of Theoretical Physics, 1957 Effects of the structure'' of the pion on the pionnucleon scattering are discussed. A formal expression of the interaction kernel far the nucleon- antinucleon propagator is given, from which the effective Hamiltonian'' for the emission and absorption of one pion and that for two pions is derived, respectively.
openaire +2 more sources