Search results for "nuclei [galaxies]"

showing 7 items of 17 documents

8He-6He: a comparative study of nuclear fragmentation reactions

2001

19 pages, 3 tables, 6 figures.-- PACS nrs.: 27.20.+n; 24.70.+s; 25.06.-t.-- Available online Dec 4, 2000.

PhysicsNuclear and High Energy Physics[PACS] Polarization phenomena in reactionsResonanceHalo nucleusInelastic scatteringDissociation (chemistry)6 ≤ A ≤ 19 [[PACS] Properties of specific nuclei listed by mass ranges]Fragmentation (mass spectrometry)NeutronAtomic physics[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19Ground stateExcitation
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Properties of the 12C 10 MeV state determined through β-decay

2005

16 pages, 1 table, 10 figures.-- PACS nrs.: 23.40.-s; 26.20.+f; 27.20.+n.-- Printed version published Oct 3, 2005.

PhysicsNuclear and High Energy Physics[PACS] β decayDeduced spin and parity of levels in C-12[PACS] β decay; double β decay; electron and muon captureParity (physics)Alpha particleRadioactivity Be-12(β-) B-12(β(-)3α) [produced in Ta(p X)]Inelastic scatteringBeta decayelectron and muon captureParticle decayMeasured α-particle coincidencesR-matrix analysisdouble β decay6 ≤ A ≤ 19 [[PACS] Properties of specific nuclei listed by mass ranges]Double-sided Si strip detectorDouble beta decay[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19Atomic physics[PACS] Hydrostatic stellar nucleosynthesisExcitationCoincidence detection in neurobiologyNuclear Physics A
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Searching for the 5H resonance in the t+n+n system

2003

19 pages, 7 figures, 2 tables, 2 appendices.-- PACS nrs.: 27.10.+h; 25.60.Gc.-- Printed version published Jul 28, 2003.

PhysicsNuclear reactionNuclear and High Energy PhysicsComparisons with previous resultsMeasured triton and neutron relative energy spectra energy and angular correlationsHyperspherical harmonic expansion analysisResonance[PACS] Properties of specific nuclei listed by mass ranges: A ≤ 5Nuclear Reactions C(6Hent) (6He2nt) E=240 MeV/nucleonNuclear physicsNuclear magnetic resonanceA ≤ 5 [[PACS] Properties of specific nuclei listed by mass ranges]45H deduced resonance features[PACS] Breakup and momentum distributionsNuclear Physics A
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Optical polarization of nuclear ensembles in diamond

2012

We report polarization of a dense nuclear-spin ensemble in diamond and its dependence on magnetic field and temperature. The polarization method is based on the transfer of electron spin polarization of negatively charged nitrogen vacancy color centers to the nuclear spins via the excited-state level anti-crossing of the center. We polarize 90% of the 14N nuclear spins within the NV centers, and 70% of the proximal 13C nuclear spins with hyperfine interaction strength of 13-14 MHz. Magnetic-field dependence of the polarization reveals sharp decrease in polarization at specific field values corresponding to cross-relaxation with substitutional nitrogen centers, while temperature dependence o…

PhysicsQuantum PhysicsCondensed matter physicsSpinsFOS: Physical sciencesDiamondOptical polarizationengineering.materialCondensed Matter PhysicsPolarization (waves)Electronic Optical and Magnetic MaterialsMagnetic fieldVacancy defectengineeringInsensitive nuclei enhanced by polarization transferAtomic physicsQuantum Physics (quant-ph)Hyperfine structure
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Precise branching ratios to unbound 12C states from 12N and 12B β-decays

2009

6 pages, 2 tables, 4 figures.--PACS nrs.: 21.45.-v; 23.40.-s; 27.20.+n; 21.60.De.--Printed version published Aug 3, 2009

branching ratiosPhysicsNuclear and High Energy PhysicsChiral perturbation theory[PACS] β decayBranching fractionNuclear shell model[PACS] Ab initio methods[PACS] β decay; double β decay; electron and muon captureAlpha particleFew-body systems[PACS] Few-body systemselectron and muon capturedouble β decay6 ≤ A ≤ 19 [[PACS] Properties of specific nuclei listed by mass ranges]Double beta decayExcited stateAtomic physics[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19Nucleonbeta-decayC12
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Observatory science with eXTP

2019

Disponible preprint en: arXiv:1812.04023v1 [astro-ph.HE] [v1] Mon, 10 Dec 2018 19:00:52 UTC (4,376 KB)

cataclysmic binariesAstronomyFIELD CAMERAS OBSERVATIONSspace research instruments nuclear astrophysics flare stars accretion and accretion disks mass loss and stellar winds cataclysmic binaries X-ray binaries supernova remnants active galactic nuclei X-ray bursts gamma-ray bursts gravitational wavesGeneral Physics and Astronomygamma-ray burstspace research instrument01 natural sciencesGamma ray burstsObservatoryAccretion and accretion disksAstrophysics::Solar and Stellar Astrophysics010303 astronomy & astrophysicsgravitational waveaccretion and accretion diskPhysicsHigh Energy Astrophysical Phenomena (astro-ph.HE)supernova remnants[SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph][SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]flare starsgamma-ray burstsAstrophysics::Instrumentation and Methods for Astrophysicsaccretion and accretion disks; active galactic nuclei; cataclysmic binaries; flare stars; gamma-ray bursts; gravitational waves; mass loss and stellar winds; nuclear astrophysics; space research instruments; supernova remnants; X-ray binaries; X-ray bursts; Physics and Astronomy (all)Space research instrumentsX ray burstSupernovaX-ray binariesgravitational wavesaccretion and accretion disksQUIETHigh massX-ray binarieMass loss and stellar windsNuclear astrophysicsGamma-ray burstsspace research instrumentsAstrophysics - High Energy Astrophysical PhenomenaPULSAR-WIND NEBULAEFAST RADIO-BURSTSAstrofísica nuclearActive galactic nucleusTIDAL DISRUPTIONSupernova remnantsAstrophysics::High Energy Astrophysical Phenomenanuclear astrophysicsPolarimetryFOS: Physical sciencesAstrophysics::Cosmology and Extragalactic AstrophysicsACCRETING NEUTRON-STARSaccretion and accretion disks; active galactic nuclei; cataclysmic binaries; flare stars; gamma-ray bursts; gravitational waves; mass loss and stellar winds; nuclear astrophysics; space research instruments; supernova remnants; X-ray binaries; X-ray burstsGravitational wavesPhysics and Astronomy (all)cataclysmic binarieSettore FIS/05 - Astronomia e AstrofisicaSUPERMASSIVE BLACK-HOLES0103 physical sciences010306 general physicsX-ray burstAstrophysics::Galaxy AstrophysicsCataclysmic binariesActive galactic nucleiflare starAstronomyWhite dwarfFlare starsStarssupernova remnantQB460-466 Astrophysics[SDU]Sciences of the Universe [physics]mass loss and stellar wind:Física::Astronomia i astrofísica [Àrees temàtiques de la UPC]active galactic nucleiX-RAYX-ray burstsSupernova remmantsmass loss and stellar windsX ray binaries[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]SEYFERT 1 GALAXYnuclear astrophysic
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STATUS OF STRANGENESS ELECTRO-PRODUCTION AT MAMI

2009

At the Institut für Kernphysik in Mainz, Germany, the microtron MAMI has been upgraded to 1.5 GeV electron beam energy and can now be used to study strange hadronic systems. The magnetic spectrometer KAOS from GSI was dismantled and re-installed in the spectrometer facility operated by the A1 collaboration. The spectrometer's primary purpose is to study strangeness electro-production. Its compact design and its capability to detect negative and positive charged particles simultaneously under forward scattering angles complements the existing spectrometers. In 2008, an important milestone has been reached by the successful measurement of kaon production off a liquid hydrogen target. The ide…

magnetic spectrometer; particle detector design; kaon electro-production; hypernuclei electro-productionPhysicsNuclear and High Energy PhysicsParticle physicsSpectrometerPhysics::Instrumentation and DetectorsScatteringNuclear TheoryHadronDetectorGeneral Physics and AstronomyStrangenessCharged particleNuclear physicsPhysics::Accelerator PhysicsVacuum chamberNuclear ExperimentMicrotronStrangeness in Nuclear and Hadronic Systems
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