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Author Steinhardt, T.; Eberth, J.; Skoda, S.; Thelen, O.; Schwengner, R.; Donau, F.; Plettner, C.; Schnare, H.; de Angelis, G.; Napoli, D.R.; Farnea, E.; Gadea, A.; Jungclaus, A.; Lieb, K.P.; Wadsworth, R.
Title Stabilization of prolate deformation at high spin in Kr-75 Type Journal Article
Year 2012 Publication Physical Review C Abbreviated Journal Phys. Rev. C
Volume 86 Issue 6 Pages 064310 - 16pp
Keywords
Abstract The neutron-deficient nucleus Kr-75 has been studied in two EUROBALL experiments. The analysis yielded a considerably extended level scheme including two newly observed excited high spin bands. The results are interpreted in the framework of the cranked Nilsson-Strutinsky approach. The calculations compare well to the experimentally established level scheme and predict the nucleus to be mainly prolate or triaxially deformed at high spin. Evidence for an oblate-prolate shape coexistence could not be found at high spin.
Address [Steinhardt, T.; Eberth, J.; Skoda, S.; Thelen, O.] Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany
Corporate Author Thesis
Publisher Amer Physical Soc Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title (up) Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0556-2813 ISBN Medium
Area Expedition Conference
Notes WOS:000312292700001 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ pastor @ Serial 1271
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Author AGATA Collaboration (Crespi, F.C.L. et al); Gadea, A.
Title Response of AGATA segmented HPGe detectors to gamma rays up to 15.1 MeV Type Journal Article
Year 2013 Publication Nuclear Instruments & Methods in Physics Research A Abbreviated Journal Nucl. Instrum. Methods Phys. Res. A
Volume 705 Issue Pages 47-54
Keywords AGATA; Gamma-ray spectroscopy; Gamma-ray tracking; HPGe detectors; Pulse-shape and gamma-ray tracking algorithms; Semiconductor detector performance and simulations
Abstract The response of AGATA segmented HPGe detectors to gamma rays in the energy range 2-15 MeV was measured. The 15.1 MeV gamma rays were produced using the reaction d(B-11,n gamma)C-12 at E-beam=19.1 MeV, while gamma rays between 2 and 9 MeV were produced using an Am-Be-Fe radioactive source. The energy resolution and linearity were studied and the energy-to-pulse-height conversion resulted to be linear within 0.05%.Experimental interaction multiplicity distributions are discussed and compared with the results of Geant4 simulations. It is shown that the application of gamma-ray tracking allows a suppression of background radiation caused by n-capture in Ge nuclei. Finally the Doppler correction for the 15.1 MeV gamma line, performed using the position information extracted with Pulse-shape analysis is discussed.
Address [Crespi, F. C. L.; Avigo, R.; Camera, F.; Bottoni, S.; Bracco, A.; Ceruti, S.; Giaz, A.; Leoni, S.; Nicolini, R.; Pellegri, L.; Riboldi, S.; Vandone, V.] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy, Email: fabio.crespi@mi.infn.it
Corporate Author Thesis
Publisher Elsevier Science Bv Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title (up) Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0168-9002 ISBN Medium
Area Expedition Conference
Notes WOS:000314826000009 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ pastor @ Serial 1329
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Author Szilner, S. et al; Gadea, A.
Title Transfer Reaction Studies with Spectrometers Type Journal Article
Year 2013 Publication Acta Physica Polonica B Abbreviated Journal Acta Phys. Pol. B
Volume 44 Issue 3 Pages 417-426
Keywords
Abstract The revival of transfer reaction studies benefited from the construction of the new generation large solid angle spectrometers, coupled to large gamma arrays. The recent results of gamma-particle coincident measurements in Ca-40+Zr-96 and Ar-40+Pb-208 reactions demonstrate a strong interplay between single-particle and collective degrees of freedom that is pertinent to the reaction dynamics. The development of collectivity has been followed in odd Ar isotopes populated in the Ar-40+Pb-208 reaction through the excitation of the 11/2(-) states, understood as the coupling of single particle degrees of freedom to nuclear vibration quanta. Pair transfer modes is another important degree of freedom which is presently being studied with Prisma in inverse kinematics at energies far below the Coulomb barrier. First results from the Zr-96+Ca-40 reaction elucidate the role played by nucleon-nucleon correlation.
Address Rudjer Boskovic Inst, Zagreb, Croatia
Corporate Author Thesis
Publisher Wydawnictwo Uniwersytetu Jagiellonskiego Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title (up) Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0587-4254 ISBN Medium
Area Expedition Conference
Notes WOS:000317703400026 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ pastor @ Serial 1403
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Author Bottoni, S.; Benzoni, G.; Leoni, S.; Montanari, D.; Bracco, A.; Vigezzi, E.; Azaiez, F.; Corradi, L.; Bazzacco, D.; Farnea, E.; Gadea, A.; Szilner, S.; Pollarolo, G.
Title Reaction dynamics and gamma spectroscopy of Ne isotoopes by the heavy ion reaction Ne-22+Pb-208 Type Journal Article
Year 2013 Publication Acta Physica Polonica B Abbreviated Journal Acta Phys. Pol. B
Volume 44 Issue 3 Pages 457-461
Keywords
Abstract The heavy ion reaction Ne-22+Pb-208 at 128 MeV beam energy has been studied using the PRISMA-CLARA experimental setup at Legnaro National Laboratories. Aim of the experiment is the measurement of elastic, inelastic and one nucleon transfer cross sections. The data are presented in parallel with similar results for the unstable Ne-24 nucleus, using existing data from the reaction Ne-24+Pb-208 at 182 MeV (measured at SPIRAL with the VAMOS-EXOGAM setup). A comparison with angular distributions obtained by semiclassical and DWBA predictions for the quadrupole deformation parameter is also discussed. In particular, the DWBA analysis allowed to determine the beta(C)(2) charge deformation parameter both in Ne-22 and Ne-24.
Address Univ Milan, Milan, Italy
Corporate Author Thesis
Publisher Wydawnictwo Uniwersytetu Jagiellonskiego Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title (up) Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0587-4254 ISBN Medium
Area Expedition Conference
Notes WOS:000317703400030 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ pastor @ Serial 1404
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Author Doncel, M. et al; Gadea, A.; Huyuk, T.
Title Lifetime measurements in neutron-rich Cu isotopes Type Journal Article
Year 2013 Publication Acta Physica Polonica B Abbreviated Journal Acta Phys. Pol. B
Volume 44 Issue 3 Pages 505-510
Keywords
Abstract The nuclear structure of neutron-rich nuclei close to the double-magic nucleus Ni-78 has been investigated by measuring the lifetime of excited states. In this contribution, it will be presented the lifetime of the J(pi) = 7/2(-) excited state at 981 keV of the Cu-71 isotope, measured using the AGATA Demonstrator coupled to the PRISMA spectrometer and the Koln plunger setup. This is the first time this combined setup has been used for a lifetime measurement.
Address Univ Salamanca, Lab Radiac Ionizantes, E-37008 Salamanca, Spain
Corporate Author Thesis
Publisher Wydawnictwo Uniwersytetu Jagiellonskiego Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title (up) Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0587-4254 ISBN Medium
Area Expedition Conference
Notes WOS:000317703400039 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ pastor @ Serial 1405
Permanent link to this record