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Determination of thermal neutron capture cross-section of cerium isotopes.

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Title: Determination of thermal neutron capture cross-section of cerium isotopes.
Authors: Kanjarpane, Samrudhi R.1 (AUTHOR) samrudhirkanjarpane@gmail.com, Prajapati, P. M.1,2,3 (AUTHOR) paresh.physics@itmbu.ac.in, Shet, Sachin4 (AUTHOR) shet.sachin@manipal.edu, Soni, Bhargav5 (AUTHOR) sonibhargav15@gmail.com, Bhandari, Deep6 (AUTHOR) dbhan@barc.gov.in, Kumar, Rajeev6,7 (AUTHOR) rajeevk@barc.gov.in, Pizzone, R. G.2,8 (AUTHOR) rgpizzone@lns.infn.it, Suryanarayana, S. V.9 (AUTHOR) suryanarayan7@yahoo.com
Source: European Physical Journal A -- Hadrons & Nuclei. Jun2025, Vol. 61 Issue 6, p1-12. 12p.
Subjects: Analysis of covariance, Neutron irradiation, Neutron sources, Value capture, Cerium, Thermal neutrons, Neutron capture
Abstract: The thermal neutron capture cross-section of cerium isotopes 140 Ce and 142 Ce, were measured with detailed covariance analysis using naturally occurring cerium oxide samples. We conducted irradiation with an Am–Be neutron source at the Manipal Institute of Technology and performed offline gamma-ray measurements via High Purity Germanium (HPGe) Detector. The neutron spectrum from the irradiation location was obtained by employing multiple foil activation techniques and spectrum unfolding methods. The present results provide precise thermal neutron capture cross-section data with detailed covariance analysis. The measured cross sections, 0.54 ± 0.03 barns for 140 Ce and 0.83 ± 0.04 barns for cerium-142, are compared with previous measurements and with the latest available evaluated nuclear libraries. It is observed that the presently measured thermal cross-section values of 140 Ce and 142 Ce are lower than the evaluated data but have higher accuracy compared to the previous measurements with larger uncertainties. Further, the measured thermal neutron capture cross-section values of 140 Ce and 142 Ce isotopes are in good agreement with the previous measurements than the evaluations. Thus, the current state of nuclear data evaluation requires improvement for cerium isotopes. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal A -- Hadrons & Nuclei is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Determination of thermal neutron capture cross-section of cerium isotopes.
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  Data: <searchLink fieldCode="AR" term="%22Kanjarpane%2C+Samrudhi+R%2E%22">Kanjarpane, Samrudhi R.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> samrudhirkanjarpane@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Prajapati%2C+P%2E+M%2E%22">Prajapati, P. M.</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> paresh.physics@itmbu.ac.in</i><br /><searchLink fieldCode="AR" term="%22Shet%2C+Sachin%22">Shet, Sachin</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> shet.sachin@manipal.edu</i><br /><searchLink fieldCode="AR" term="%22Soni%2C+Bhargav%22">Soni, Bhargav</searchLink><relatesTo>5</relatesTo> (AUTHOR)<i> sonibhargav15@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Bhandari%2C+Deep%22">Bhandari, Deep</searchLink><relatesTo>6</relatesTo> (AUTHOR)<i> dbhan@barc.gov.in</i><br /><searchLink fieldCode="AR" term="%22Kumar%2C+Rajeev%22">Kumar, Rajeev</searchLink><relatesTo>6,7</relatesTo> (AUTHOR)<i> rajeevk@barc.gov.in</i><br /><searchLink fieldCode="AR" term="%22Pizzone%2C+R%2E+G%2E%22">Pizzone, R. G.</searchLink><relatesTo>2,8</relatesTo> (AUTHOR)<i> rgpizzone@lns.infn.it</i><br /><searchLink fieldCode="AR" term="%22Suryanarayana%2C+S%2E+V%2E%22">Suryanarayana, S. V.</searchLink><relatesTo>9</relatesTo> (AUTHOR)<i> suryanarayan7@yahoo.com</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+A+--+Hadrons+%26+Nuclei%22">European Physical Journal A -- Hadrons & Nuclei</searchLink>. Jun2025, Vol. 61 Issue 6, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Analysis+of+covariance%22">Analysis of covariance</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+irradiation%22">Neutron irradiation</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+sources%22">Neutron sources</searchLink><br /><searchLink fieldCode="DE" term="%22Value+capture%22">Value capture</searchLink><br /><searchLink fieldCode="DE" term="%22Cerium%22">Cerium</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+neutrons%22">Thermal neutrons</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+capture%22">Neutron capture</searchLink>
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  Data: The thermal neutron capture cross-section of cerium isotopes 140 Ce and 142 Ce, were measured with detailed covariance analysis using naturally occurring cerium oxide samples. We conducted irradiation with an Am–Be neutron source at the Manipal Institute of Technology and performed offline gamma-ray measurements via High Purity Germanium (HPGe) Detector. The neutron spectrum from the irradiation location was obtained by employing multiple foil activation techniques and spectrum unfolding methods. The present results provide precise thermal neutron capture cross-section data with detailed covariance analysis. The measured cross sections, 0.54 ± 0.03 barns for 140 Ce and 0.83 ± 0.04 barns for cerium-142, are compared with previous measurements and with the latest available evaluated nuclear libraries. It is observed that the presently measured thermal cross-section values of 140 Ce and 142 Ce are lower than the evaluated data but have higher accuracy compared to the previous measurements with larger uncertainties. Further, the measured thermal neutron capture cross-section values of 140 Ce and 142 Ce isotopes are in good agreement with the previous measurements than the evaluations. Thus, the current state of nuclear data evaluation requires improvement for cerium isotopes. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of European Physical Journal A -- Hadrons & Nuclei is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1140/epja/s10050-025-01621-6
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        Text: English
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      – SubjectFull: Analysis of covariance
        Type: general
      – SubjectFull: Neutron irradiation
        Type: general
      – SubjectFull: Neutron sources
        Type: general
      – SubjectFull: Value capture
        Type: general
      – SubjectFull: Cerium
        Type: general
      – SubjectFull: Thermal neutrons
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      – SubjectFull: Neutron capture
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              Text: Jun2025
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