Results 31 to 40 of about 9,521 (182)

The investigation of K+π−, π+K− and π+π− atoms

open access: yesEPJ Web of Conferences, 2016
Theory, using Low Energy QCD, predicts with high precision the pion-pion and pion-kaon scattering lengths. There is accurate relation between K+π− and π+K− atoms lifetime and pion-kaon S-wave scattering lengths with isospin 1/2 and 3/2.
Yazkov Valeriy
doaj   +1 more source

Pion wave-function as a bound system in 3 + 1 dimensional QCD

open access: yesResults in Physics, 2017
We investigate the Bethe-Salpeter-like amplitude in 3 + 1 dimensions. This involves a system comprising a quark and an antiquark combined by gauge fields to satisfy gauge invariance. We derive the equation of motion for this system and construct a series
Teruo Kurai
doaj   +1 more source

Generalized Beth–Uhlenbeck Entropy Formula From the Φ‐Derivable Approach

open access: yesContributions to Plasma Physics, EarlyView.
ABSTRACT We derive a generalized Beth–Uhlenbeck formula for the entropy of a dense fermion system with strong two‐particle correlations, including scattering states and bound states. We work within the Φ‐derivable approach to the thermodynamic potential.
David Blaschke, Gerd Röpke, Gordon Baym
wiley   +1 more source

Pion-pion scattering in two dimensions [PDF]

open access: yesPhysical Review D, 1999
Massive two-flavor QED_2 is known to have many similarities to the two-flavor QCD_4. Here we compare the π-πscattering amplitudes (actually an analog process in QED_2) of the two theories. The QED_2 amplitude is computed from the bosonized version of the model while the QCD_4 amplitude is computed from an effective low energy chiral Lagrangian.
Schechter, Joseph   +2 more
openaire   +2 more sources

Reduced occurrence of alpha waves during resting state predicts high attention‐deficit/hyperactivity disorder traits in young adults

open access: yesJCPP Advances, EarlyView.
Abstract Background Attention‐deficit/hyperactivity disorder (ADHD) is a neurodevelopmental condition with significant cognitive and social impacts. Identifying reliable biomarkers for ADHD is crucial for developing personalised therapies. Electroencephalography (EEG) alpha oscillations (8–12 Hz) have been suggested as a potential biomarker, but ...
Julio Rodriguez‐Larios   +2 more
wiley   +1 more source

Pion–pion interaction [PDF]

open access: yesNature, 1976
Pion-Pion Interactions in Particle Physics. By B. R. Martin, D. Morgan and G. Shaw. Pp. xi+460. (Academic: London and New York, May 1976.) £16; $40.50.
openaire   +1 more source

Geochronological reconstruction of the Lateglacial deglaciation in the Arve Valley (Northern French Alps)

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT The timing and spatial patterns of glaciers retreat in the Northern French Alps during the Lateglacial (19.0–11.7 ka) remain debated, reflecting discrepancies among available chronological data sets. The complex interactions between major glaciers, such as the Rhône and Arve glaciers to the north and the Isère glacier to the south, represent a
Quentin Portal   +3 more
wiley   +1 more source

Effect of bicarbonate buffer on artificial membrane permeation of drugs

open access: yesADMET and DMPK
Background and purpose: The pH value of the small intestine is physiologically maintained by bicarbonate buffer (BCB). However, the effect of BCB on the membrane permeation of drugs has not been investigated. The purpose of this study was to investigate
Shiori Ishida   +4 more
doaj   +1 more source

L'abstentionnisme électoral en Belgique : données individuelles et agrégées à Charleroi

open access: yesL'Espace Politique, 2011
Electoral absenteeism is a common studied subject in the Anglo-Saxon and French scientific world. But researches about it in Belgium, where voting is compulsory are not far from being null.
Geoffrey Pion
doaj   +1 more source

Nanocellulose‐based hydrogel membranes for underwater osmotic actuators

open access: yesResponsive Materials, EarlyView.
The review comprehensively summarizes the research progress of nanocellulose‐based hydrogel membranes for underwater osmotic actuators, from the building blocks of nanocelluloses to the underwater osmotic actuation mechanism and applications, and outlines their challenges and perspectives, aiming to facilitate their applications in underwater remote ...
Qingchen Li   +10 more
wiley   +1 more source

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