Results 91 to 100 of about 225,392 (278)

Nuclear matter and neutron matter for improved quark mass density- dependent model with $\rho$ mesons

open access: yes, 2008
A new improved quark mass density-dependent model including u, d quarks, $\sigma$ mesons, $\omega$ mesons and $\rho$ mesons is presented. Employing this model, the properties of nuclear matter, neutron matter and neutron star are studied. We find that it
Chen Wu   +7 more
core   +1 more source

Arterial–venous differences of brain‐derived neurotrophic factor isoforms across the brain and muscle after exercise at different intensities

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Exercise‐induced increases in forearm venous plasma and serum brain‐derived neurotrophic factor (BDNF) are often assumed to be indicative of release from the brain. Sixteen healthy and physically fit adults (20–40 years old) were recruited to investigate whether exercise‐induced changes in forearm venous mature BDNF (mBDNF) and ...
Olga Tarassova   +10 more
wiley   +1 more source

Does nuclear medium affect the transverse momentum-dependent parton distributions of valence quark of pions?

open access: yesPhysics Letters B
We calculate the valence quark transverse momentum-dependent parton distributions (TMDs) of the lightest pseudoscalar meson, pions, in isospin asymmetric nuclear matter at zero temperature by employing a light-cone quark model.
Navpreet Kaur   +5 more
doaj   +1 more source

Non‐invasive assessment of integrated cardiorespiratory network dynamics after physiological stress in humans

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend This study aimed to develop a non‐invasive method for visualizing the cardiorespiratory network under baseline conditions and following isolated or combined exposure to hypoxia, exercise, and sleep deprivation. Twenty‐two healthy participants underwent assessments at rest and after normobaric hypoxia (FIO2${{F}_{{\mathrm{I ...
Cecilia Morandotti   +10 more
wiley   +1 more source

On the top-quark width measurement using a combination of resonant and non resonant cross sections.

open access: yesEPJ Web of Conferences, 2017
Top quark width measurement is important and complex task. Most measurements are done in assumption of the SM top quark interactions. We would like to discuss model independent way of measuring the top quark width.
Baskakov Alexey, Boos Eduard, Dudko Lev
doaj   +1 more source

Influence of age and biological sex on sweating in children exercising in warm and hot environments with comparison to adults

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Local sweating response and sweating onset of boys, girls, adult females and adult males during treadmill walking at a fixed metabolic heat production per body surface area (300 W·m−2) in warm and hot environments. Bayesian hierarchical modelling showed no meaningful sex or age differences in local sweating responses or onset ...
Thomas H. Topham   +7 more
wiley   +1 more source

The non-perturbative unquenched quark model

open access: yesEPJ Web of Conferences, 2017
In recent years states in the quarkonium spectrum not expected in the naive quark model have appeared and created a lot of interest. In the theoretical side the study of the effect of meson-meson thresholds in the spectrum have been performed in ...
Entern D.R., Ortega P.G., Fernández F.
doaj   +1 more source

Finite modular subgroups for fermion mass matrices and baryon/lepton number violation

open access: yesPhysics Letters B, 2019
We study a flavor model that the quark sector has the S3 modular symmetry while the lepton sector has the A4 modular symmetry. Our model leads to characteristic quark mass matrices which are consistent with experimental data of quark masses, mixing ...
Tatsuo Kobayashi   +5 more
doaj   +1 more source

The \beta-term for D^* --> D \gamma within a heavy-light chiral quark model

open access: yes, 2003
We present a calculation of the \beta-term for D^* --> D gamma within a heavy-light chiral quark model. Within the model, soft gluon effects in terms of the gluon condensate with lowest dimension are included.
Eeg, J. O., Hiorth, A.
core   +1 more source

A Single Bout of Aerobic Exercise Increases Neuronal Extracellular Vesicle‐Derived Insulin Signaling Biomarkers in Adults With Cardiometabolic Risk

open access: yesComprehensive Physiology, Volume 16, Issue 2, April 2026.
A single bout of aerobic exercise performed the night before increased some insulin signaling proteins classically involved in glucose metabolism as well as those implicated in neuronal cell growth and proliferation. We specifically observed that exercise may modulate some of these nEV‐derived biomarkers during the fasting and/or post‐glucose ingestion
Steven K. Malin   +4 more
wiley   +1 more source

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