Fast-neutron induced reaction cross section measurement of tin with dual monitor foils and covariance analysis

Rebecca Pachuau; N. Otuka; C. V. Midhun; A. Gandhi; A. Mazumdar; H. Krishnamoorthy; A. Reza; V. Vatsa; S. V. Suryanarayana; B. K. Nayak; L. S. Danu; Tarun Patel; Saroj Bishnoi; Imran Pasha; A. Kumar; V. Nanal

doi:10.1140/epja/s10050-021-00578-6

Fast-neutron induced reaction cross section measurement of tin with dual monitor foils and covariance analysis

Rebecca Pachuau, N. Otuka, C. V. Midhun, A. Gandhi, A. Mazumdar, H. Krishnamoorthy, A. Reza, V. Vatsa, S. V. Suryanarayana, B. K. Nayak, L. S. Danu, Tarun Patel, Saroj Bishnoi, Imran Pasha, A. Kumar, V. Nanal

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Abstract

The fast-neutron induced elemental cross sections have been measured relative to the ¹⁹⁷Au(n,2n)¹⁹⁶Au and ²⁷Al(n,α)²⁴Na monitor cross sections at 14.5 ± 0.2 MeV by using a natural Sn sample and the activation technique for production of ¹¹¹Sn, ¹¹⁷Sn^m, ¹²³Sn^m, ¹¹¹In (cumulative), ¹¹⁶In^m¹⁺^m², ¹¹⁷In^m, ¹¹⁷In^g (cumulative), and ¹¹⁸In^m¹⁺^m². The off-diagonal weighted mean of the elemental cross sections were determined by constructing the covariance between the cross sections obtained with the two monitor cross sections. From the measured elemental cross sections, the respective isotopic cross sections were also determined for the ¹¹²Sn(n,2n)¹¹¹Sn, ¹²⁴Sn(n,2n)¹²³Sn^m, ¹¹²Sn(n,x)¹¹¹In and ¹¹⁸Sn(n,p)¹¹⁸In^m¹⁺^m² reactions. The comparison of the measured elemental and isotopic cross sections with those in the EXFOR, JEFF-3.1/A, JENDL/AD-2017 and TENDL-2019 libraries as well as those predicted by TALYS-1.9 is discussed.

Original language	English
Article number	268
Journal	European Physical Journal A
Volume	57
Issue number	9
DOIs	https://doi.org/10.1140/epja/s10050-021-00578-6
State	Published - Sep 2021
Externally published	Yes

Funding

We are thankful to the Purnima neutron generator group (BARC, Mumbai) for their kind support and dedication for the smooth operation of the machine throughout the neutron irradiation experiment. Two of the authors (R.P. and N.O.) had useful discussion on nuclear data covariance with Dr. S. Ganesan in the Workshop on Error Propagation in Nuclear Reaction Data Measurement (Mizoram University, India, 2017) and other events. We are also grateful to the staff of Target Laboratory, TIFR, Mumbai, for providing the Sn target and also for their assistance with the sample preparation. We also acknowledge the support of the Department of Atomic Energy, Government of India, under project No. 12-R&D-TFR-5.02-0300. One of the authors (A.K.) acknowledge the grant received from the Institutions of Eminence (IoE) BHU (Grant No. 6031). We are thankful to the Purnima neutron generator group (BARC, Mumbai) for their kind support and dedication for the smooth operation of the machine throughout the neutron irradiation experiment. Two of the authors (R.P. and N.O.) had useful discussion on nuclear data covariance with Dr. S. Ganesan in the Workshop on Error Propagation in Nuclear Reaction Data Measurement (Mizoram University, India, 2017) and other events. We are also grateful to the staff of Target Laboratory, TIFR, Mumbai, for providing the Sn target and also for their assistance with the sample preparation. We also acknowledge the support of the Department of Atomic Energy, Government of India, under project No. 12-R&D-TFR-5.02-0300. One of the authors (A.K.) acknowledge the grant received from the Institutions of Eminence (IoE) BHU (Grant No. 6031).

Funders	Funder number
Mizoram University
Purnima neutron generator group
Tata Institute of Fundamental Research
Department of Atomic Energy, Government of India	12-R&D-TFR-5.02-0300
Banaras Hindu University	6031
Bhabha Atomic Research Centre

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Pachuau, R., Otuka, N., Midhun, C. V., Gandhi, A., Mazumdar, A., Krishnamoorthy, H., Reza, A., Vatsa, V., Suryanarayana, S. V., Nayak, B. K., Danu, L. S., Patel, T., Bishnoi, S., Pasha, I., Kumar, A., & Nanal, V. (2021). Fast-neutron induced reaction cross section measurement of tin with dual monitor foils and covariance analysis. European Physical Journal A, 57(9), Article 268. https://doi.org/10.1140/epja/s10050-021-00578-6

@article{a7aad509e8f44cd7b5cc11c054250181,

title = "Fast-neutron induced reaction cross section measurement of tin with dual monitor foils and covariance analysis",

abstract = "The fast-neutron induced elemental cross sections have been measured relative to the 197Au(n,2n)196Au and 27Al(n,α)24Na monitor cross sections at 14.5 ± 0.2 MeV by using a natural Sn sample and the activation technique for production of 111Sn, 117Snm, 123Snm, 111In (cumulative), 116Inm1+m2, 117Inm, 117Ing (cumulative), and 118Inm1+m2. The off-diagonal weighted mean of the elemental cross sections were determined by constructing the covariance between the cross sections obtained with the two monitor cross sections. From the measured elemental cross sections, the respective isotopic cross sections were also determined for the 112Sn(n,2n)111Sn, 124Sn(n,2n)123Snm, 112Sn(n,x)111In and 118Sn(n,p)118Inm1+m2 reactions. The comparison of the measured elemental and isotopic cross sections with those in the EXFOR, JEFF-3.1/A, JENDL/AD-2017 and TENDL-2019 libraries as well as those predicted by TALYS-1.9 is discussed.",

author = "Rebecca Pachuau and N. Otuka and Midhun, {C. V.} and A. Gandhi and A. Mazumdar and H. Krishnamoorthy and A. Reza and V. Vatsa and Suryanarayana, {S. V.} and Nayak, {B. K.} and Danu, {L. S.} and Tarun Patel and Saroj Bishnoi and Imran Pasha and A. Kumar and V. Nanal",

note = "Publisher Copyright: {\textcopyright} 2021, The Author(s), under exclusive licence to Societ{\`a} Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature.",

year = "2021",

month = sep,

doi = "10.1140/epja/s10050-021-00578-6",

language = "English",

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Pachuau, R, Otuka, N, Midhun, CV, Gandhi, A, Mazumdar, A, Krishnamoorthy, H, Reza, A, Vatsa, V, Suryanarayana, SV, Nayak, BK, Danu, LS, Patel, T, Bishnoi, S, Pasha, I, Kumar, A & Nanal, V 2021, 'Fast-neutron induced reaction cross section measurement of tin with dual monitor foils and covariance analysis', European Physical Journal A, vol. 57, no. 9, 268. https://doi.org/10.1140/epja/s10050-021-00578-6

TY - JOUR

T1 - Fast-neutron induced reaction cross section measurement of tin with dual monitor foils and covariance analysis

AU - Pachuau, Rebecca

AU - Otuka, N.

AU - Midhun, C. V.

AU - Gandhi, A.

AU - Mazumdar, A.

AU - Krishnamoorthy, H.

AU - Reza, A.

AU - Vatsa, V.

AU - Suryanarayana, S. V.

AU - Nayak, B. K.

AU - Danu, L. S.

AU - Patel, Tarun

AU - Bishnoi, Saroj

AU - Pasha, Imran

AU - Kumar, A.

AU - Nanal, V.

PY - 2021/9

Y1 - 2021/9

N2 - The fast-neutron induced elemental cross sections have been measured relative to the 197Au(n,2n)196Au and 27Al(n,α)24Na monitor cross sections at 14.5 ± 0.2 MeV by using a natural Sn sample and the activation technique for production of 111Sn, 117Snm, 123Snm, 111In (cumulative), 116Inm1+m2, 117Inm, 117Ing (cumulative), and 118Inm1+m2. The off-diagonal weighted mean of the elemental cross sections were determined by constructing the covariance between the cross sections obtained with the two monitor cross sections. From the measured elemental cross sections, the respective isotopic cross sections were also determined for the 112Sn(n,2n)111Sn, 124Sn(n,2n)123Snm, 112Sn(n,x)111In and 118Sn(n,p)118Inm1+m2 reactions. The comparison of the measured elemental and isotopic cross sections with those in the EXFOR, JEFF-3.1/A, JENDL/AD-2017 and TENDL-2019 libraries as well as those predicted by TALYS-1.9 is discussed.

AB - The fast-neutron induced elemental cross sections have been measured relative to the 197Au(n,2n)196Au and 27Al(n,α)24Na monitor cross sections at 14.5 ± 0.2 MeV by using a natural Sn sample and the activation technique for production of 111Sn, 117Snm, 123Snm, 111In (cumulative), 116Inm1+m2, 117Inm, 117Ing (cumulative), and 118Inm1+m2. The off-diagonal weighted mean of the elemental cross sections were determined by constructing the covariance between the cross sections obtained with the two monitor cross sections. From the measured elemental cross sections, the respective isotopic cross sections were also determined for the 112Sn(n,2n)111Sn, 124Sn(n,2n)123Snm, 112Sn(n,x)111In and 118Sn(n,p)118Inm1+m2 reactions. The comparison of the measured elemental and isotopic cross sections with those in the EXFOR, JEFF-3.1/A, JENDL/AD-2017 and TENDL-2019 libraries as well as those predicted by TALYS-1.9 is discussed.

UR - http://www.scopus.com/inward/record.url?scp=85114366533&partnerID=8YFLogxK

U2 - 10.1140/epja/s10050-021-00578-6

DO - 10.1140/epja/s10050-021-00578-6

M3 - Article

AN - SCOPUS:85114366533

SN - 1434-6001

VL - 57

JO - European Physical Journal A

JF - European Physical Journal A

IS - 9

M1 - 268

ER -

Fast-neutron induced reaction cross section measurement of tin with dual monitor foils and covariance analysis

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