0000000000934716

AUTHOR

Justin Williams

showing 2 related works from this author

Odderon Exchange from Elastic Scattering Differences between pp and pp¯ Data at 1.96 TeV and from pp Forward Scattering Measurements

2021

We describe an analysis comparing the p p ¯ elastic cross section as measured by the D0 Collaboration at a center-of-mass energy of 1.96 TeV to that in p p collisions as measured by the TOTEM Collaboration at 2.76, 7, 8, and 13 TeV using a model-independent approach. The TOTEM cross sections, extrapolated to a center-of-mass energy of s = 1.96 TeV , are compared with the D0 measurement in the region of the diffractive minimum and the second maximum of the p p cross section. The two data sets disagree at the 3.4 σ level and thus provide evidence for the t -channel exchange of a colorless, C -odd gluonic compound, also known as the odderon. We combine these results with a TOTEM analysis of th…

Quantum chromodynamicsPhysicsElastic scatteringParticle physics010308 nuclear & particles physicsForward scatterScatteringStrong interactionGeneral Physics and Astronomy01 natural sciencesScattering amplitudeCross section (physics)0103 physical sciences010306 general physicsBar (unit)Physical Review Letters
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Overview of the JET results in support to ITER

2017

The 2014–2016 JET results are reviewed in the light of their significance for optimising the ITER research plan for the active and non-active operation. More than 60 h of plasma operation with ITER first wall materials successfully took place since its installation in 2011. New multi-machine scaling of the type I-ELM divertor energy flux density to ITER is supported by first principle modelling. ITER relevant disruption experiments and first principle modelling are reported with a set of three disruption mitigation valves mimicking the ITER setup. Insights of the L–H power threshold in Deuterium and Hydrogen are given, stressing the importance of the magnetic configurations and the recent m…

Technologyfusion:Física [Ciências exactas e naturais]TokamakNuclear engineeringDIAGNOSTICS01 natural sciencesILW010305 fluids & plasmaslaw.inventionIlw[SPI.MECA.MEFL]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph]PlasmaH-Mode PlasmaslawITERDisruption PredictionCOLLISIONALITYEDGE LOCALIZED MODESDiagnosticsOperationfusion; ITER; JET; plasma; Nuclear and High Energy Physics; Condensed Matter PhysicsPhysicsJet (fluid)JET plasma fusion ITERDivertorSettore FIS/01 - Fisica SperimentaleCondensed Matter PhysicsFusion Plasma and Space PhysicsDENSITY PEAKINGCarbon WallH-MODE PLASMAS[ SPI.MECA.MEFL ] Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph]Density PeakingNuclear and High Energy PhysicsNeutron transportFacing ComponentsCollisionality114 Physical sciencesFísica FísicaNuclear physics:Physical sciences [Natural sciences]Fusion plasma och rymdfysikPedestal0103 physical sciencesNuclear fusionddc:530Neutron010306 general physicsFusionplasmaPhysics Physical sciencesNuclear and High Energy PhysicEdge Localized ModesQC717:Física [Àrees temàtiques de la UPC]Reactors de fusióFísicaFACING COMPONENTSFusion reactorsJetJETCARBON WALLDISRUPTION PREDICTIONOPERATIONddc:600Collisionality
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