A straightforward experimental method to evaluate the Lamb-Mossbauer factor of a Co-57/Rh source (Articolo in rivista)

Type
Label
  • A straightforward experimental method to evaluate the Lamb-Mossbauer factor of a Co-57/Rh source (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.nimb.2013.10.002 (literal)
Alternative label
  • G. Spina (a); M. Lantieri (b) (2014)
    A straightforward experimental method to evaluate the Lamb-Mossbauer factor of a Co-57/Rh source
    in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G. Spina (a); M. Lantieri (b) (literal)
Pagina inizio
  • 253 (literal)
Pagina fine
  • 257 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0168583X1300983X (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 318_Part_B (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • January (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (a) Dipartimento di Fisica, Università degli Studi di Firenze, Via Sansone 1, 50019 Sesto Fiorentino (FI), Italy (b) Istituto dei Sistemi Complessi - CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino (FI), Italy (literal)
Titolo
  • A straightforward experimental method to evaluate the Lamb-Mossbauer factor of a Co-57/Rh source (literal)
Abstract
  • In analyzing Mössbauer spectra by means of the integral transmission function, a correct evaluation of the recoilless fsfs factor of the source at the position of the sample is needed. A novel method to evaluate fsfs for a 57Co source is proposed. The method uses the standard transmission experimental set up and it does not need further measurements but the ones that are mandatory in order to center the Mössbauer line and to calibrate the Mössbauer transducer. Firstly, the background counts are evaluated by collecting a standard Multi Channel Scaling (MCS) spectrum of a tick metal iron foil absorber and two Pulse Height Analysis (PHA) spectra with the same life-time and setting the maximum velocity of the transducer at the same value of the MCS spectrum. Secondly, fsfs is evaluated by fitting the collected MCS spectrum throughout the integral transmission approach. A test of the suitability of the technique is presented, too. (literal)
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