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Carrio, F.; Castillo Gimenez, V.; Ferrer, A.; Gonzalez, V.; Higon-Rodriguez, E.; Marin, C.; Moreno, P.; Sanchis, E.; Solans, C.; Valero, A.; Valls Ferrer, J.A. |
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Title |
Optical Link Card Design for the Phase II Upgrade of TileCal Experiment |
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Journal Article |
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Year |
2011 |
Publication |
IEEE Transactions on Nuclear Science |
Abbreviated Journal |
IEEE Trans. Nucl. Sci. |
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Volume |
58 |
Issue |
4 |
Pages |
1657-1663 |
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Keywords |
High energy physics instrumentation computing; optical-fiber communication high-speed electronics; programmable logic devices |
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Abstract |
This paper presents the design of an optical link card developed in the frame of the R&D activities for the phase 2 upgrade of the TileCal experiment. This board, that is part of the evaluation of different technologies for the final choice in the next years, is designed as a mezzanine that can work independently or be plugged in the optical multiplexer board of the TileCal backend electronics. It includes two SNAP 12 optical connectors able to transmit and receive up to 75 Gb/s and one SFP optical connector for lower speeds and compatibility with existing hardware as the read out driver. All processing is done in a Stratix II GX field-programmable gate array (FPGA). Details are given on the hardware design, including signal and power integrity analysis, needed when working with these high data rates and on firmware development to obtain the best performance of the FPGA signal transceivers and for the use of the GBT protocol. |
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[Carrio, F; Gonzalez, V; Marin, C; Sanchis, E] Univ Valencia, Dept Elect Engn, E-46100 Valencia, Spain, Email: vicente.gonzalez@uv.es |
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Ieee-Inst Electrical Electronics Engineers Inc |
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English |
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0018-9499 |
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WOS:000293975700037 |
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no |
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Is ISI |
yes |
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no |
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IFIC @ elepoucu @ |
Serial |
722 |
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Author |
Darai, J.; Cseh, J.; Antonenko, N.V.; Royer, G.; Algora, A.; Hess, P.O.; Jolos, R.V.; Scheid, W. |
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Title |
Clusterization in the shape isomers of the (56)Ni nucleus |
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Journal Article |
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Year |
2011 |
Publication |
Physical Review C |
Abbreviated Journal |
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Volume |
84 |
Issue |
2 |
Pages |
024302 |
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Abstract |
The interrelation of the quadrupole deformation and clusterization is investigated in the example of the (56)Ni nucleus. The shape isomers, including superdeformed and hyperdeformed states, are obtained as stability regions of the quasidynamical U(3) symmetry based on a Nilsson calculation. Their possible binary clusterizations are investigated by considering both the consequences of the Pauli exclusion principle and the energetic preference. |
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0556-2813 |
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WOS:000293619100002 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
714 |
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Author |
NEMO-3 Collaboration (Arnold R. et al); Martin-Albo, J.; Novella, P. |
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Title |
Measurement of the beta beta Decay Half-Life of (130)Te with the NEMO-3 Detector |
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Journal Article |
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Year |
2011 |
Publication |
Physical Review Letters |
Abbreviated Journal |
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Volume |
107 |
Issue |
6 |
Pages |
062504 |
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Abstract |
We report results from the NEMO-3 experiment based on an exposure of 1275 days with 661 g of (130)Te in the form of enriched and natural tellurium foils. The beta beta decay rate of (130)Te is found to be greater than zero with a significance of 7.7 standard deviations and the half-life is measured to be T(1/2)(2v)=[7.0 +/- 0.9(stat) +/- 1: 1(syst)] x 10(20) yr. This represents the most precise measurement of this half- life yet published and the first real-time observation of this decay. |
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0031-9007 |
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WOS:000293562700003 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
715 |
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Author |
Tamii, A. et al; Rubio, B. |
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Title |
Complete Electric Dipole Response and the Neutron Skin in (208)Pb |
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Journal Article |
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Year |
2011 |
Publication |
Physical Review Letters |
Abbreviated Journal |
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Volume |
107 |
Issue |
6 |
Pages |
062502 |
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Abstract |
A benchmark experiment on (208)Pb shows that polarized proton inelastic scattering at very forward angles including 0 degrees is a powerful tool for high-resolution studies of electric dipole (E1) and spin magnetic dipole (M1) modes in nuclei over a broad excitation energy range to test up-to-date nuclear models. The extracted E1 polarizability leads to a neutron skin thickness r(skin) = 0.156(-0.021)(+0.025) fm in (208)Pb derived within a mean-field model [Phys. Rev. C 81, 051303 (2010)], thereby constraining the symmetry energy and its density dependence relevant to the description of neutron stars. |
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0031-9007 |
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WOS:000293447900005 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
716 |
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Author |
Szilner, S. et al; Gadea, A. |
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Title |
Interplay between single-particle and collective excitations in argon isotopes populated by transfer reactions |
Type |
Journal Article |
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Year |
2011 |
Publication |
Physical Review C |
Abbreviated Journal |
Phys. Rev. C |
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Volume |
84 |
Issue |
1 |
Pages |
014325 - 7pp |
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Abstract |
New gamma transitions have been identified in argon isotopes in (40)Ar + (208)Pb multiple transfer reactions by exploiting, in a fragment-gamma measurement, the new generation of magnetic spectrometers based on trajectory reconstruction coupled to large gamma arrays. The coupling of single-particle degrees of freedom to nuclear vibration quanta was discussed. The interpretation of the newly observed states within a particle-phonon coupling picture was used to consistently follow, via their excitation energies, the evolution of collectivity in odd Ar isotopes. The proposed level schemes are supported by the results of sd-pf shell-model calculations, which have been also employed to evaluate the strength functions of the populated states. |
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[Szilner, S; Jelavic-Malenica, D; Soic, N] Rudjer Boskovic Inst, HR-10002 Zagreb, Croatia |
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Amer Physical Soc |
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English |
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0556-2813 |
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Notes |
WOS:000293129600004 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
711 |
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