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Effects of one vale...
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Biswas, S.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
Effects of one valence proton on seniority and angular momentum of neutrons in neutron-rich(51)( 122-)(131)Sb isotopes
- Artikel/kapitelEngelska2019
Förlag, utgivningsår, omfång ...
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American Physical Society,2019
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-254508
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254508URI
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https://doi.org/10.1103/PhysRevC.99.064302DOI
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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QC 20190709
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Background: Levels fulfilling the seniority scheme and relevant isomers are commonly observed features in semimagic nuclei; for example, in Sn isotopes (Z = 50). Seniority isomers in Sn, with dominantly pure neutron configurations, directly probe the underlying neutron-neutron (vv) interaction. Furthermore, an addition of a valence proton particle or hole, through neutron-proton (v pi) interaction, affects the neutron seniority as well as the angular momentum. Purpose: Benchmark the reproducibility of the experimental observables, like the excitation energies (E-x) and the reduced electric-quadrupole transition probabilities [B(E2)], with the results obtained from shell-model interactions for neutron-rich Sn and Sb isotopes with N < 82. Study the sensitivity of the aforementioned experimental observables to the model interaction components. Furthermore, explore from a microscopic point of view the structural similarity between the isomers in Sn and Sb, and thus the importance of the valence proton. Methods: The neutron-rich Sb122-131 isotopes were produced as fission fragments in the reaction Be-9(U-238, f) with 6.2 MeV/u beam energy. A unique setup, consisting of AGATA, VAMOS++, and EXOGAM detectors, was used which enabled the prompt-delayed gamma-ray spectroscopy of fission fragments in the time range of 100 ns to 200 mu s. Results: New isomers and prompt and delayed transitions were established in the even-A Sb122-131 isotopes. In the odd-A Sb122-131 isotopes, new prompt and delayed gamma-ray transitions were identified, in addition to the confirmation of the previously known isomers. The half-lives of the isomeric states and the B(E2) transition probabilities of the observed transitions depopulating these isomers were extracted. Conclusions: The experimental data was compared with the theoretical results obtained in the framework of large-scale shell-model (LSSM) calculations in a restricted model space. Modifications of several components of the shell-model interaction were introduced to obtain a consistent agreement with the excitation energies and the B(E2) transition probabilities in neutron-rich Sn and Sb isotopes. The isomeric configurations in Sn and Sb were found to be relatively pure. Furthermore, the calculations revealed that the presence of a single valence proton, mainly in the g(7/2) orbital in Sb isotopes, leads to significant mixing (due to the v pi interaction) of (i) the neutron seniorities (upsilon(v)) and (ii) the neutron angular momentum (I-v). The above features have a weak impact on the excitation energies, but have an important impact on the B(E2) transition probabilities. In addition, a constancy of the relative excitation energies irrespective of neutron seniority and neutron number in Sn and Sb was observed.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Lemasson, A.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Rejmund, M.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Navin, A.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Kim, Y. H.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.;Inst Laue Langevin, F-38042 Grenoble, France.
(författare)
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Michelagnoli, C.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.;Inst Laue Langevin, F-38042 Grenoble, France.
(författare)
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Stefan, IUniv Paris Saclay, Univ Paris Sud, Inst Phys Nucl, IN2P3,CNRS, F-91406 Orsay, France.
(författare)
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Banik, R.Variable Energy Cyclotron Ctr, 1-AF Bidhan Nagar, Kolkata 700064, India.;Homi Bhabha Natl Inst, Training Sch Complex, Mumbai 400094, Maharashtra, India.
(författare)
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Bednarczyk, P.Inst Nucl Phys PAN, Krakow, Poland.
(författare)
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Bhattacharya, S.Variable Energy Cyclotron Ctr, 1-AF Bidhan Nagar, Kolkata 700064, India.;Homi Bhabha Natl Inst, Training Sch Complex, Mumbai 400094, Maharashtra, India.
(författare)
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Bhattacharyya, S.Variable Energy Cyclotron Ctr, 1-AF Bidhan Nagar, Kolkata 700064, India.;Homi Bhabha Natl Inst, Training Sch Complex, Mumbai 400094, Maharashtra, India.
(författare)
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Clement, E.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Crawford, H. L.Lawrence Berkeley Natl Lab, Nucl Sci Div, Berkeley, CA 94720 USA.
(författare)
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de France, G.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Fallon, P.Lawrence Berkeley Natl Lab, Nucl Sci Div, Berkeley, CA 94720 USA.
(författare)
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Fremont, G.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Goupil, J.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Jacquot, B.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Li, H. J.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Ljungvall, J.Univ Paris Saclay, Univ Paris Sud, CSNSM, CNRS,IN2P3, F-91405 Orsay, France.
(författare)
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Maj, A.Inst Nucl Phys PAN, Krakow, Poland.
(författare)
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Menager, A.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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More, VCNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Palit, R.Tata Inst Fundamental Res, Dept Nucl & Atom Phys, Mumbai 400005, Maharashtra, India.
(författare)
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Perez-Vidal, R. M.Univ Valencia, CSIC, Inst Fis Corpuscular, E-46980 Valencia, Spain.
(författare)
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Ropert, J.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Barrientos, D.CERN, CH-1211 Geneva 23, Switzerland.
(författare)
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Benzoni, G.Ist Nazl Fis Nucl, Sez Milano, Milan, Italy.
(författare)
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Birkenbach, B.Univ Cologne, Inst Kernphys, Zulpicher Str 77, D-50937 Cologne, Germany.
(författare)
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Boston, A. J.Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England.
(författare)
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Boston, H. C.Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England.
(författare)
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Cederwall, BoKTH,Fysik(Swepub:kth)u15ywilj
(författare)
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Collado, J.Univ Valencia, Dept Ingn Elect, Valencia, Spain.
(författare)
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Cullen, D. M.Univ Manchester, Schuster Lab, Nucl Phys Grp, Manchester M13 9PL, Lancs, England.
(författare)
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Desesquelles, P.Univ Paris Saclay, Univ Paris Sud, CSNSM, CNRS,IN2P3, F-91405 Orsay, France.
(författare)
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Domingo-Pardo, C.Univ Valencia, CSIC, Inst Fis Corpuscular, E-46980 Valencia, Spain.
(författare)
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Dudouet, J.Univ Paris Saclay, Univ Paris Sud, CSNSM, CNRS,IN2P3, F-91405 Orsay, France.;Univ Lyon 1, Univ Lyon, CNRS, IN2P3,UMR5822,IPNL, 4 Rue Enrico Fermi, F-69622 Villeurbanne, France.
(författare)
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Eberth, J.Univ Cologne, Inst Kernphys, Zulpicher Str 77, D-50937 Cologne, Germany.
(författare)
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Gonzalez, VUniv Valencia, Dept Ingn Elect, Valencia, Spain.
(författare)
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Harkness-Brennan, L. J.Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England.
(författare)
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Hess, H.Univ Cologne, Inst Kernphys, Zulpicher Str 77, D-50937 Cologne, Germany.
(författare)
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Jungclaus, A.CSIC, Inst Estruct Mat, E-28006 Madrid, Spain.
(författare)
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Korten, W.CEA, DRF, IRFU, Ctr CEA Saclay, F-91191 Gif Sur Yvette, France.
(författare)
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Labiche, M.STFC Daresbury Lab, Warrington WA4 4AD, Cheshire, England.
(författare)
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Lefevre, A.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Menegazzo, R.Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy.
(författare)
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Mengoni, D.Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy.;Univ Padua, Dipartimento Fis & Astron, I-35131 Padua, Italy.
(författare)
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Million, B.Ist Nazl Fis Nucl, Sez Milano, Milan, Italy.
(författare)
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Napoli, D. R.Ist Nazl Fis Nucl, Lab Nazl Legnaro, Via Romea 4, I-35020 Legnaro, Italy.
(författare)
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Pullia, A.Ist Nazl Fis Nucl, Sez Milano, Milan, Italy.;Univ Milan, Dipartimento Fis, I-20133 Milan, Italy.
(författare)
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Quintana, B.Univ Salamanca, Lab Radiac Ionizantes, E-37008 Salamanca, Spain.
(författare)
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Ralet, D.Univ Paris Saclay, Univ Paris Sud, CSNSM, CNRS,IN2P3, F-91405 Orsay, France.;Tech Univ Darmstadt, Inst Kernphys, D-64289 Darmstadt, Germany.;Helmholtzzentrum Schwerionenforsch GmbH, GSI, D-64291 Darmstadt, Germany.
(författare)
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Recchia, F.Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy.;Univ Padua, Dipartimento Fis & Astron, I-35131 Padua, Italy.
(författare)
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Reiter, P.Univ Cologne, Inst Kernphys, Zulpicher Str 77, D-50937 Cologne, Germany.
(författare)
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Saillant, F.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.
(författare)
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Salsac, M. D.CEA, DRF, IRFU, Ctr CEA Saclay, F-91191 Gif Sur Yvette, France.
(författare)
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Sanchis, E.Univ Valencia, Dept Ingn Elect, Valencia, Spain.
(författare)
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Stezowski, O.Univ Lyon 1, Univ Lyon, CNRS, IN2P3,UMR5822,IPNL, 4 Rue Enrico Fermi, F-69622 Villeurbanne, France.
(författare)
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Theisen, ChCEA, DRF, IRFU, Ctr CEA Saclay, F-91191 Gif Sur Yvette, France.
(författare)
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Valiente-Dobon, J. J.Ist Nazl Fis Nucl, Lab Nazl Legnaro, Via Romea 4, I-35020 Legnaro, Italy.
(författare)
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Zielinska, M.CEA, DRF, IRFU, Ctr CEA Saclay, F-91191 Gif Sur Yvette, France.
(författare)
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CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.CNRS, GANIL, CEA, IN2P3,DRF, Bd Henri Becquerel,BP 55027, F-14076 Caen 5, France.;Inst Laue Langevin, F-38042 Grenoble, France.
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Physical Review C: American Physical Society99:62469-99852469-9993
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Till lärosätets databas
- Av författaren/redakt...
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Biswas, S.
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Lemasson, A.
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Rejmund, M.
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Navin, A.
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Kim, Y. H.
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Michelagnoli, C.
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visa fler...
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Stefan, I
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Banik, R.
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Bednarczyk, P.
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Bhattacharya, S.
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Bhattacharyya, S ...
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Clement, E.
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Crawford, H. L.
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de France, G.
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Fallon, P.
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Fremont, G.
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Goupil, J.
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Jacquot, B.
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Li, H. J.
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Ljungvall, J.
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Maj, A.
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Menager, A.
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More, V
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Palit, R.
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Perez-Vidal, R. ...
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Ropert, J.
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Barrientos, D.
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Benzoni, G.
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Birkenbach, B.
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Boston, A. J.
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Boston, H. C.
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Cederwall, Bo
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Collado, J.
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Cullen, D. M.
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Desesquelles, P.
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Domingo-Pardo, C ...
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Dudouet, J.
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Eberth, J.
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Gonzalez, V
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Harkness-Brennan ...
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Hess, H.
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Jungclaus, A.
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Korten, W.
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Labiche, M.
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Lefevre, A.
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Menegazzo, R.
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Mengoni, D.
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Million, B.
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Napoli, D. R.
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Pullia, A.
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Quintana, B.
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Ralet, D.
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Recchia, F.
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Reiter, P.
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Saillant, F.
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Salsac, M. D.
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Sanchis, E.
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Stezowski, O.
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Theisen, Ch
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Valiente-Dobon, ...
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Zielinska, M.
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