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Response of a metastable superconducting detector to55Fe irradiation below 400 mK

  • Metastable Superconducting Detectors
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Abstract

We report a preliminary analysis of the irradiation of a suspension of superheated superconducting grains by55Fe at temperatures below 400 mK. The suspension comprised both Sn (20–25 micron) and Al (≤20 micron) grains in equal filling factors of 20%. The differential magnetic field sweep spectra exhibit a peak structure, which we discuss in terms of the absorption of the 6 keV Xray of the55Fe decay and secondary excitations.

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References

  1. T.A. Girard, G. Waysand, D. Limagne, J.I. Collar, V. Jeudy and O. Hérès,A reexamination of the Energy Resolution of Metastable Superconducting Detectors, these Proceedings.

  2. T. Ebisu and T. Watanabe,Int'l Symp. on Neutrino Astrophys. (Takayama, Japan, 19–22 October 1992). See also these proceedings.

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  3. G. Waysand, T. Girard, R.P. Henriquez, D. Limagne, J. Collar, M. Godinho, V. Jeudy, V. Pagesy and G. Bonfait,The New Description of the Behaviour of Metastable Superconducting Grains Suspensions Under Irradiation, these Proceedings.

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Authors and Affiliations

  1. Groupe de Physique des Solides (UA 17 CNRS), Universites Paris 7&6, 75251, Paris, France

    O. Hérès, H. Dubos, P. Perrier & D. Limagne

  2. Centro de Fisica Nuclear, Universidade de Lisboa, 1699, Lisbon, Portugal

    T. A. Girard

  3. Service d'Aéronomie du C.N.R.S., 91370, Verrières-le-Buisson, France

    J. P. Torre & G. Waysand

Authors
  1. O. Hérès
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  2. H. Dubos
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  3. T. A. Girard
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  4. P. Perrier
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  5. D. Limagne
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  6. J. P. Torre
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  7. G. Waysand
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Hérès, O., Dubos, H., Girard, T.A. et al. Response of a metastable superconducting detector to55Fe irradiation below 400 mK. J Low Temp Phys 93, 449–454 (1993). https://doi.org/10.1007/BF00693459

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  • DOI: https://doi.org/10.1007/BF00693459

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