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Author (up) Bizzeti, P.G.; Sona, P.; Michelagnoli, C.; Melon, B.; Bazzacco, D.; Farnea, E.; Bizzeti-Sona, A.M.; de Angelis, G.; Gadea, A.; Gottardo, A.; Lunardi, S.; Menegazzo, R.; Mengoni, D.; Nannini, A.; Napoli, D.R.; Perego, A.; Recchia, F.; Sahin, E.; Valiente-Dobon, J.J.; Ur, C.A.
Title Analyzing power of AGATA triple clusters for gamma-ray linear polarization Type Journal Article
Year 2015 Publication European Physical Journal A Abbreviated Journal Eur. Phys. J. A
Volume 51 Issue 4 Pages 49 - 11pp
Keywords
Abstract We have investigated the ability of AGATA triple clusters to measure the linear polarization of gamma rays, exploiting the azimuthal-angle dependence of the Compton scattering differential cross section. To this aim, partially polarized gamma rays have been produced by Coulomb excitation of the first excited state of Pd-104 and Pd-108, which decay to the ground state by emission of gamma rays of 555.8 keV and 433.9 keV, respectively. Pulse-shape analysis and gamma-ray tracking techniques have been used to determine the position and time sequence of the interaction points inside the germanium crystals. Anisotropies in the detection efficiency have been taken into account using 661.6 keV gammas from a Cs-137 radioactive source. We obtain an average analyzing power of 0.451(34) at 433.9 keV and 0.484(24) at 555.8 keV.
Address [Bizzeti, P. G.; Sona, P.; Melon, B.; Bizzeti-Sona, A. M.; Perego, A.] Univ Florence, Dipartimento Fis, Florence, Italy, Email: bizzeti@fi.infn.it
Corporate Author Thesis
Publisher Springer Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1434-6001 ISBN Medium
Area Expedition Conference
Notes WOS:000353789600001 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ pastor @ Serial 2214
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Author (up) Caballero, L.; Rubio, B.; Kleinheinz, P.; Yates, S.W.; Algora, A.; Dewald, A.; Fitzler, A.; Gadea, A.; Jolie, J.; Julin, R.; Linnemann, A.; Lunardi, S.; Menegazzo, R.; Moller, O.; Nacher, E.; Piiparinen, M.; Blomqvist, J.
Title Two-phonon octupole excitation in Gd-146 Type Journal Article
Year 2010 Publication Physical Review C Abbreviated Journal Phys. Rev. C
Volume 81 Issue 3 Pages 031301 - 4pp
Keywords
Abstract Based on experimental evidence from the Sm-144(alpha,2n) reaction, the 3484.7- keV 6(+) state in Gd-146 is identified as the highest-spin member of the 3(-) circle times 3(-) two-phonon octupole quartet. A previously unknown gamma line of 1905.8 keV and E3 character feeding the 3(-) octupole state has been observed. These results represent the first observation of a 6(+) -> 3(-) -> 0(+) cascade of two E3 transitions in an even-even nucleus and provide strong support for the interpretation of the 6(+) state as a two-phonon octupole excitation.
Address [Caballero, L.; Rubio, B.; Algora, A.; Gadea, A.; Nacher, E.] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain, Email: Berta.Rubio@ific.uv.es
Corporate Author Thesis
Publisher Amer Physical Soc Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0556-2813 ISBN Medium
Area Expedition Conference
Notes ISI:000276769400001 Approved no
Is ISI yes International Collaboration yes
Call Number IFIC @ elepoucu @ Serial 468
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