0000000000131971

AUTHOR

C. Rossi Alvarez

showing 5 related works from this author

Stable triaxiality at the highest spins in138Ndand139Nd

1999

The nuclei ${}^{138}\mathrm{Nd}$ and ${}^{139}\mathrm{Nd}$ have been studied at very high spins via the ${}^{48}\mathrm{Ca}{+}^{94}\mathrm{Zr}$ reaction. Several new rotational bands were observed, four in ${}^{138}\mathrm{Nd}$ and two in ${}^{139}\mathrm{Nd}.$ The ${J}^{(2)}$ moments of inertia calculated from the observed $\ensuremath{\gamma}$-ray energies are very small and almost constant, indicating that these bands are triaxial. Cranked Nilsson-Strutinsky calculations reproduce the general behavior of the bands, supporting this interpretation and suggesting an approximately constant $\ensuremath{\gamma}$ value of $\ensuremath{\sim}+35\ifmmode^\circ\else\textdegree\fi{}$ over a large s…

PhysicsNuclear and High Energy PhysicsSpinsNuclear TheoryAtomic physicsMoment of inertiaSpin (physics)Physical Review C
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Conceptual design and infrastructure for the installation of the first AGATA sub-array at LNL

2011

WOS: 000295765100014

Nuclear and High Energy PhysicsDANTE Heavy-ion DetectorPhysics::Instrumentation and DetectorsHELENA multiplicity filter01 natural sciences7. Clean energyParticle detectorNuclear physicsPRISMA spectrometerConceptual design0103 physical sciences[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]Nuclear Experiment010306 general physicsGamma detectionInstrumentationTRACE SI detectorPhysicsSpectrometer010308 nuclear & particles physicsbusiness.industrySemiconductor detectorCologne plungerAGATAAGATADANTE heavy-ion-detectorbusinessComputer hardwareNuclear Instruments and Methods in Physics Research
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Pronounced shape change induced by quasiparticle alignment

2000

Mean lifetimes of high-spin states of Kr-74 have been determined using the Doppler-shift attenuation method. The high-spin states were studied using the Ca-40(Ca-40, alpha 2p) reaction at a beam energy of 160 MeV with the GASP gamma-ray spectrometer. The ground-state band and negative parity side band show the presence of three different configurations in terms of transitional quadrupole deformations. A dramatic shape change was found along the ground-state band after the S-band crossing. The deduced quadrupole deformation changes are well reproduced by cranked Woods-Saxon Strutinsky calculations.

PhysicsNuclear and High Energy PhysicsShape changeSpectrometerIsotopeAttenuationNuclear TheoryKryptonFísicachemistry.chemical_elementParity (physics)chemistryQuadrupoleQuasiparticleAtomic physicsPhysical Review C
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High-spin structure of ^{95}Pd

2012

The level scheme of the neutron-deficient nucleus ${}^{95}$Pd has been studied with the ${}^{58}$Ni + ${}^{40}$Ca fusion-evaporation reaction at 135 MeV with the GASP $\ensuremath{\gamma}$-ray array, the ISIS silicon ball, and the N-ring neutron detector. Excited levels with spins at least up to $\frac{45}{2}\ensuremath{\hbar}$ are reported for both parities. The observed experimental data are compared to large-scale shell-model calculations.

PhysicsNuclear and High Energy PhysicsSiliconSpinsAstrophysics::High Energy Astrophysical PhenomenaNuclear TheorySHELL modelchemistry.chemical_elementSpin structurechemistryExcited stateNeutron detectionBall (mathematics)Atomic physicsNuclear Experiment
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AGATA-Advanced GAmma Tracking Array

2012

WOS: 000300864200005

Nuclear and High Energy PhysicsPhysics - Instrumentation and DetectorsPulse-shape and gamma-ray tracking algorithmsFOS: Physical sciencesSemiconductor detector performance and simulationsIntegrated circuit[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]Tracking (particle physics)gamma-Ray tracking01 natural sciencesPulse-shape and γ-ray tracking algorithmslaw.inventionData acquisitionlaw0103 physical sciencesddc:530[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]Nuclear Experiment (nucl-ex)010306 general physicsγ-Ray spectroscopyNuclear ExperimentInstrumentationDigital signal processingEvent reconstructiongamma-Ray spectroscopyPhysicssezeleSpectrometerSpectrometers010308 nuclear & particles physicsbusiness.industryDetectorAGATA Digital signals HPGe detectors Pulse-shape Ray trackingHPGe detectorsAlgorithms Crystals Germanium Semiconductor detectors Signal processing Spectrometry Tracking (position)γ-Ray trackingInstrumentation and Detectors (physics.ins-det)Digital signal processingAGATAFísica nuclearbusinessAGATAComputer hardware
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