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Sökning: WFRF:(Hall H) > Konferensbidrag

  • Resultat 1-10 av 91
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1.
  • Yaneva, A., et al. (författare)
  • FAST-TIMING MEASUREMENT IN 96Pd: IMPROVED ACCURACY FOR THE LIFETIME OF THE 4+1 STATE
  • 2023
  • Ingår i: Acta Physica Polonica B, Proceedings Supplement. - : Jagiellonian University. - 1899-2358 .- 2082-7865. ; , s. 1-1
  • Konferensbidrag (refereegranskat)abstract
    • Direct lifetime measurements via γ–γ coincidences using the FATIMA fast-timing LaBr3(Ce) array were performed for the excited states below previously reported isomers. In the N = 50 semi-magic 96Pd nucleus, lifetimes below the Iπ = 8+ seniority isomer were addressed as a benchmark for further analysis. The results for the Iπ = 2+ and 4+ states confirm the published values. Increased accuracy for the lifetime value was achieved for the 4+ state.
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2.
  • Dini, P., et al. (författare)
  • Proceedings - 5th International Conference on Software Engineering Advances, ICSEA 2010 : Preface
  • 2010
  • Ingår i: International Conference on Software Engineering Advances (ICSEA). - : Institute of Electrical and Electronics Engineers (IEEE). ; , s. xii-xiii
  • Konferensbidrag (populärvet., debatt m.m.)abstract
    • Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the conference event and publication of the proceedings record.
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3.
  • Gorska, M., et al. (författare)
  • Nuclear structure aspects of the heaviest N similar to Z nuclei south of Sn-100
  • 2023
  • Ingår i: 13TH INTERNATIONAL SPRING SEMINAR ON NUCLEAR PHYSICS PERSPECTIVES AND CHALLENGES IN NUCLEAR STRUCTURE AFTER 70 YEARS OF SHELL MODEL, ISS 2022. - : IOP Publishing.
  • Konferensbidrag (refereegranskat)abstract
    • Ever-lasting interest in the structure of Sn-100 and neighbouring nuclei is still well justified by the fact that it is the heaviest doubly-magic nucleus with N=Z. State-of-the-art experimental techniques involving stable and radioactive beam facilities have enabled access to these exotic nuclei. In particular, the analysis of experimental data obtained in two DESPEC experiments at GSI Darmstadt extends the information on the shell structure and its evolution towards N = Z = 50, and allows the study of seniority conservation and proton-neutron interaction in the g(9/2) orbit. Several theoretical approaches for shell-model investigations are discussed and their predictive power assessed. The calculated systematics of the reduced transition probabilities for high- to medium-spin states in N similar to Z isotopes with active g(9/2) orbit is presented for the first time.
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9.
  • Messi, F., et al. (författare)
  • The neutron-tagging facility at Lund University
  • 2020
  • Ingår i: Modern Neutron Detection : Proceedings of a Technical Meeting - Proceedings of a Technical Meeting. - 1011-4289. - 9789201265203 - 9789201266200 ; :1935, s. 287-297
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Over the last decades, the field of thermal neutron detection has overwhelmingly employed He-3-based technologies. The He-3 crisis together with the forthcoming establishment of the European Spallation Source have necessitated the development of new technologies for neutron detection. Today, several promising He-3-free candidates are under detailed study and need to be validated. This validation process is in general long and expensive. The study of detector prototypes using neutron-emitting radioactive sources is a cost-effective solution, especially for preliminary investigations. That said, neutron-emitting sources have the general disadvantage of broad, structured, emitted-neutron energy ranges. Further, the emitted neutrons often compete with unwanted backgrounds of gamma-rays, alpha-particles, and fission-fragments. By blending experimental infrastructure such as shielding to provide particle beams with neutron-detection techniques such as tagging, disadvantages may be converted into advantages. In particular, a technique known as tagging involves exploiting the mixed-field generally associated with a neutron-emitting source to determine neutron time-of-flight and thus energy on an event-by-event basis. This allows for the definition of low-cost, precision neutron beams. The Source-Testing Facility, located at Lund University in Sweden and operated by the SONNIG Group of the Division of Nuclear Physics, was developed for just such low-cost studies. Precision tagged-neutron beams derived from radioactive sources are available around-the-clock for advanced detector diagnostic studies. Neutron measurements performed at the Source Testing Facility are thus cost-effective and have a very low barrier for entry. In this paper, we present an overview of the project.
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10.
  • Raeissi, Bahman, 1979, et al. (författare)
  • High-k-oxide/silicon interfaces characterized by capacitance frequency spectroscopy
  • 2007
  • Ingår i: ESSDERC 2007. - 9781424411238 ; , s. 283-286
  • Konferensbidrag (refereegranskat)abstract
    • Electron capture into insulator/silicon interface states is investigated for high-k dielectrics of Gd(2)O(3) prepared by MBE and ALD, and for HfO(2) prepared by reactive sputtering, by measuring the frequency dependence of MOS capacitance. The capture cross sections are found to be thermally activated and to increase steeply with the energy depth of the interface electron states. The methodology adopted is considered useful for increasing the understanding of high-k-oxide/silicon interfaces.
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  • Resultat 1-10 av 91

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