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Cross section measurements of 155,157Gd(n,\(\gamma\)) induced by thermal and epithermal neutrons

  • n_TOF Collaboration
  • M. Mastromarco
  • A. Manna
  • O. Aberle
  • J. Andrzejewski
  • L. Audouin
  • M. Bacak
  • J. Balibrea
  • M. Barbagallo
  • F. Bečvář
  • E. Berthoumieux
  • J. Billowes
  • D. Bosnar
  • A. Brown
  • M. Caamaño
  • F. Calviño
  • M. Calviani
  • D. Cano-Ott
  • R. Cardella
  • A. Casanovas
  • D. M. Castelluccio
  • F. Cerutti
  • Y. H. Chen
  • E. Chiaveri
  • G. Clai
  • N. Colonna
  • G. Cortés
  • M. A. Cortés-Giraldo
  • L. Cosentino
  • L. A. Damone
  • M. Diakaki
  • C. Domingo-Pardo
  • R. Dressler
  • E. Dupont
  • I. Durán
  • B. Fernández-Domínguez
  • A. Ferrari
  • P. Ferreira
  • P. Finocchiaro
  • V. Furman
  • K. Göbel
  • A. R. García
  • A. Gawlik
  • S. Gilardoni
  • T. Glodariu
  • I. F. Gonçalves
  • E. González-Romero
  • E. Griesmayer
  • C. Guerrero
  • F. Gunsing
  • A. Guglielmelli
  • H. Harada
  • S. Heinitz
  • J. Heyse
  • D. G. Jenkins
  • E. Jericha
  • F. Käppeler
  • Y. Kadi
  • A. Kalamara
  • P. Kavrigin
  • A. Kimura
  • N. Kivel
  • I. Knapova
  • M. Kokkoris
  • M. Krtička
  • D. Kurtulgil
  • E. Leal-Cidoncha
  • C. Lederer
  • H. Leeb
  • J. Lerendegui-Marco
  • S. J. Lonsdale
  • D. Macina
  • J. Marganiec
  • T. Martínez
  • A. Masi
  • C. MassimiEmail author
  • P. Mastinu
  • E. A. Maugeri
  • A. Mazzone
  • E. Mendoza
  • A. Mengoni
  • P. M. Milazzo
  • F. Mingrone
  • A. Musumarra
  • A. Negret
  • R. Nolte
  • A. Oprea
  • N. Patronis
  • A. Pavlik
  • J. Perkowski
  • I. Porras
  • J. Praena
  • J. M. Quesada
  • D. Radeck
  • T. Rauscher
  • R. Reifarth
  • F. Rocchi
  • C. Rubbia
  • J. A. Ryan
  • M. Sabaté-Gilarte
  • A. Saxena
  • P. Schillebeeckx
  • D. Schumann
  • P. Sedyshev
  • A. G. Smith
  • N. V. Sosnin
  • A. Stamatopoulos
  • G. Tagliente
  • J. L. Tain
  • A. Tarifeño-Saldivia
  • L. Tassan-Got
  • S. Valenta
  • G. Vannini
  • V. Variale
  • P. Vaz
  • A. Ventura
  • V. Vlachoudis
  • R. Vlastou
  • A. Wallner
  • S. Warren
  • C. Weiss
  • R. Winants
  • P. J. Woods
  • T. Wright
  • P. Žugec
Regular Article - Experimental Physics
  • 58 Downloads

Abstract.

Neutron capture cross section measurements on 155Gd and 157Gd were performed using the time-of-flight technique at the n_TOF facility at CERN on isotopically enriched samples. The measurements were carried out in the n_TOF experimental area EAR1, at 185 m from the neutron source, with an array of 4 C6D6 liquid scintillation detectors. At a neutron kinetic energy of 0.0253 eV, capture cross sections of 62.2(2.2) and 239.8(8.4) kilobarn have been derived for 155Gd and 157Gd, respectively, with up to 6% deviation relative to values presently reported in nuclear data libraries, but consistent with those values within 1.6 standard deviations. A resonance shape analysis has been performed in the resolved resonance region up to 181 eV and 307 eV, respectively for 155Gd and 157Gd, where on average, resonance parameters have been found in good agreement with evaluations. Above these energies and up to 1 keV, the observed resonance-like structure of the cross section has been analysed and characterised. From a statistical analysis of the observed neutron resonances we deduced: neutron strength function of \(2.01(28) \times 10^{-4}\) and \(2.17(41) \times 10^{-4}\); average total radiative width of 106.8(14) meV and 101.1(20) meV and s-wave resonance spacing 1.6(2) eV and 4.8(5) eV for n + 155Gd and n + 157Gd systems, respectively.

Supplementary material

10050_2019_12692_MOESM1_ESM.pdf (1.4 mb)
Supplementary material

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Copyright information

© SIF, Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • n_TOF Collaboration
  • M. Mastromarco
    • 1
  • A. Manna
    • 2
    • 3
  • O. Aberle
    • 4
  • J. Andrzejewski
    • 5
  • L. Audouin
    • 6
  • M. Bacak
    • 7
    • 4
    • 8
  • J. Balibrea
    • 9
  • M. Barbagallo
    • 1
  • F. Bečvář
    • 10
  • E. Berthoumieux
    • 8
  • J. Billowes
    • 11
  • D. Bosnar
    • 12
  • A. Brown
    • 13
  • M. Caamaño
    • 14
  • F. Calviño
    • 15
  • M. Calviani
    • 4
  • D. Cano-Ott
    • 9
  • R. Cardella
    • 4
  • A. Casanovas
    • 15
  • D. M. Castelluccio
    • 16
    • 2
  • F. Cerutti
    • 4
  • Y. H. Chen
    • 6
  • E. Chiaveri
    • 4
    • 11
    • 17
  • G. Clai
    • 16
    • 2
  • N. Colonna
    • 1
  • G. Cortés
    • 15
  • M. A. Cortés-Giraldo
    • 17
  • L. Cosentino
    • 18
  • L. A. Damone
    • 1
    • 19
  • M. Diakaki
    • 8
  • C. Domingo-Pardo
    • 20
  • R. Dressler
    • 21
  • E. Dupont
    • 8
  • I. Durán
    • 14
  • B. Fernández-Domínguez
    • 14
  • A. Ferrari
    • 4
  • P. Ferreira
    • 22
  • P. Finocchiaro
    • 18
  • V. Furman
    • 23
  • K. Göbel
    • 24
  • A. R. García
    • 9
  • A. Gawlik
    • 5
  • S. Gilardoni
    • 4
  • T. Glodariu
    • 25
  • I. F. Gonçalves
    • 22
  • E. González-Romero
    • 9
  • E. Griesmayer
    • 7
  • C. Guerrero
    • 17
  • F. Gunsing
    • 8
    • 4
  • A. Guglielmelli
    • 16
  • H. Harada
    • 26
  • S. Heinitz
    • 21
  • J. Heyse
    • 27
  • D. G. Jenkins
    • 13
  • E. Jericha
    • 7
  • F. Käppeler
    • 28
  • Y. Kadi
    • 4
  • A. Kalamara
    • 29
  • P. Kavrigin
    • 7
  • A. Kimura
    • 26
  • N. Kivel
    • 21
  • I. Knapova
    • 10
  • M. Kokkoris
    • 29
  • M. Krtička
    • 10
  • D. Kurtulgil
    • 24
  • E. Leal-Cidoncha
    • 14
  • C. Lederer
    • 30
  • H. Leeb
    • 7
  • J. Lerendegui-Marco
    • 17
  • S. J. Lonsdale
    • 30
  • D. Macina
    • 4
  • J. Marganiec
    • 5
    • 31
  • T. Martínez
    • 9
  • A. Masi
    • 4
  • C. Massimi
    • 2
    • 3
    Email author
  • P. Mastinu
    • 32
  • E. A. Maugeri
    • 21
  • A. Mazzone
    • 1
    • 33
  • E. Mendoza
    • 9
  • A. Mengoni
    • 15
    • 2
  • P. M. Milazzo
    • 34
  • F. Mingrone
    • 4
  • A. Musumarra
    • 18
    • 35
  • A. Negret
    • 25
  • R. Nolte
    • 31
  • A. Oprea
    • 25
  • N. Patronis
    • 36
  • A. Pavlik
    • 37
  • J. Perkowski
    • 5
  • I. Porras
    • 38
  • J. Praena
    • 38
  • J. M. Quesada
    • 17
  • D. Radeck
    • 31
  • T. Rauscher
    • 39
    • 40
  • R. Reifarth
    • 24
  • F. Rocchi
    • 16
  • C. Rubbia
    • 4
  • J. A. Ryan
    • 11
  • M. Sabaté-Gilarte
    • 4
    • 17
  • A. Saxena
    • 41
  • P. Schillebeeckx
    • 27
  • D. Schumann
    • 21
  • P. Sedyshev
    • 22
  • A. G. Smith
    • 11
  • N. V. Sosnin
    • 11
  • A. Stamatopoulos
    • 29
  • G. Tagliente
    • 1
  • J. L. Tain
    • 20
  • A. Tarifeño-Saldivia
    • 15
  • L. Tassan-Got
    • 6
  • S. Valenta
    • 10
  • G. Vannini
    • 2
    • 3
  • V. Variale
    • 1
  • P. Vaz
    • 22
  • A. Ventura
    • 2
  • V. Vlachoudis
    • 4
  • R. Vlastou
    • 29
  • A. Wallner
    • 42
  • S. Warren
    • 11
  • C. Weiss
    • 7
  • R. Winants
    • 27
  • P. J. Woods
    • 30
  • T. Wright
    • 11
  • P. Žugec
    • 12
    • 4
  1. 1.Istituto Nazionale di Fisica Nucleare, Sezione di BariBariItaly
  2. 2.Istituto Nazionale di Fisica Nucleare, Sezione di BolognaBolognaItaly
  3. 3.Dipartimento di Fisica e AstronomiaUniversità di BolognaBolognaItaly
  4. 4.European Organization for Nuclear Research (CERN)GenevaSwitzerland
  5. 5.University of LodzLodzPoland
  6. 6.Institut de Physique Nucléaire, CNRS-IN2P3Univ. Paris-Sud, Université Paris-SaclayOrsay CedexFrance
  7. 7.Technische Universität WienWienAustria
  8. 8.CEA IrfuUniversité Paris-SaclayGif-sur-YvetteFrance
  9. 9.Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)MadridSpain
  10. 10.Charles UniversityPragueCzech Republic
  11. 11.University of ManchesterManchesterUK
  12. 12.Department of Physics, Faculty of ScienceUniversity of ZagrebZagrebCroatia
  13. 13.University of YorkYorkUK
  14. 14.University of Santiago de CompostelaSantiago de CompostelaSpain
  15. 15.Universitat Politècnica de CatalunyaBarcelonaSpain
  16. 16.Universidad de SevillaSevillaSpain
  17. 17.INFN Laboratori Nazionali del SudCataniaItaly
  18. 18.Dipartimento di FisicaUniversità degli Studi di BariBariItaly
  19. 19.Instituto de Física CorpuscularCSIC - Universidad de ValenciaValenciaSpain
  20. 20.Paul Scherrer Institut (PSI)VillingenSwitzerland
  21. 21.Instituto Superior TécnicoLisbonPortugal
  22. 22.Joint Institute for Nuclear Research (JINR)DubnaRussia
  23. 23.Goethe University FrankfurtFrankfurtGermany
  24. 24.Horia Hulubei National Institute of Physics and Nuclear EngineeringMăgureleRomania
  25. 25.Japan Atomic Energy Agency (JAEA)Tokai-muraJapan
  26. 26.European Commission, Joint Research Centre, GeelGeelBelgium
  27. 27.Karlsruhe Institute of Technology, Campus North, IKPKarlsruheGermany
  28. 28.National Technical University of AthensAthensGreece
  29. 29.School of Physics and AstronomyUniversity of EdinburghEdinburghUK
  30. 30.Agenzia nazionale per le nuove tecnologie (ENEA)BolognaItaly
  31. 31.Physikalisch-Technische Bundesanstalt (PTB)BraunschweigGermany
  32. 32.Istituto Nazionale di Fisica Nucleare, Sezione di LegnaroLegnaroItaly
  33. 33.Consiglio Nazionale delle RicercheBariItaly
  34. 34.Istituto Nazionale di Fisica Nucleare, Sezione di TriesteTriesteItaly
  35. 35.Dipartimento di Fisica e AstronomiaUniversità di CataniaCataniaItaly
  36. 36.University of IoanninaIoanninaGreece
  37. 37.University of Vienna, Faculty of PhysicsViennaAustria
  38. 38.University of GranadaGranadaSpain
  39. 39.Department of PhysicsUniversity of BaselBaselSwitzerland
  40. 40.Centre for Astrophysics ResearchUniversity of HertfordshireHatfieldUK
  41. 41.Bhabha Atomic Research Centre (BARC)MumbaiIndia
  42. 42.Australian National UniversityCanberraAustralia

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