Results 101 to 110 of about 118,069 (232)

Modellierung ultrarelativistischer Schwerionenkollisionen mit der Quark-Molekulardynamik qMD [PDF]

open access: yes, 2006
This thesis presents a model for the dynamical description of deconfined quark matter created in ultra-relativistic heavy ion collisions, treating quarks and antiquarks as classical point particles subject to a colour-dependent, Cornell-type potential ...
Scherer, Stefan
core  

Measurement of the production of a W boson in association with a charm quark in pp collisions at s√ = 7 TeV with the ATLAS detector [PDF]

open access: yes, 2014
The production of a W boson in association with a single charm quark is studied using 4.6 fb−1 of pp collision data at s√ = 7 TeV collected with the ATLAS detector at the Large Hadron Collider.
Farrington, Sinead   +8 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

QUARKS IN THE UNIVERSE

open access: yesInternational Journal of Modern Physics E, 2007
Matter in its present form was formed when our Universe emerged from the quark-gluon phase (QGP) at about 30mus into its evolution. To explore this early period in the laboratory, we study highly excited matter formed in relativistic heavy ion collision experiments: heavy nuclei crash into each other, and form compressed and energetically excited ...
openaire   +2 more sources

Quarks and Anomalies [PDF]

open access: yesInternational Journal of Modern Physics A, 2015
A nonperturbative understanding of neutral pion decay was an essential step towards the idea that strong interactions are governed by a color gauge theory for quarks. Some aspects of this work and related problems are still important.
openaire   +3 more sources

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

Drag force and heavy quark potential in a rotating background

open access: yesJournal of High Energy Physics
We explored the gravity dual of a rotating quark-gluon plasma by transforming the boundary coordinates of the large black hole limit of Schwarchild-AdS5 metric.
Jun-Xia Chen, De-Fu Hou, Hai-Cang Ren
doaj   +1 more source

Confinement of quarks

open access: yesNuclear Physics A, 2003
A general introduction to the topological mechanism responsible for the absolute confinement of quarks inside hadronic bound states is given, including the effects of a finite instanton angle. We then propose a calculational technique for computing these states and their properties, where instead of topology we rely on a perturbative mechanism.
openaire   +2 more sources

Polynomial Preconditioning for Indefinite Matrices

open access: yesNumerical Linear Algebra with Applications, Volume 33, Issue 5, October 2026.
ABSTRACT Polynomial preconditioning is an important tool in solving large linear systems and eigenvalue problems. A polynomial from GMRES can be used to precondition restarted GMRES and restarted Arnoldi. Here we give methods for indefinite matrices that make polynomial preconditioning more generally applicable. The new techniques include balancing the
Hayden Henson, Ronald B. Morgan
wiley   +1 more source

Resting Metabolic Rate Rises in Pregnancy, but Energy Intake and Active Expenditure Remain Stable: A Pilot Study

open access: yesAustralian and New Zealand Journal of Obstetrics and Gynaecology, Volume 66, Issue 5, October 2026.
ABSTRACT Background Adequate nutrition during pregnancy is well established; however, how pregnancy affects energy metabolism, particularly the relationship between energy intake, expenditure and maternal mass, remains poorly understood. Current dietary recommendations advise increasing energy intake across pregnancy, but these are based on theoretical
Georgia S. Clarke   +3 more
wiley   +1 more source

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