Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV

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Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV. / Shor, Asher; Tessler, Moshe; Plompen, Arjan ; Arenshtam, A; Aviv, O; Berkovits, D; Brandis, M; Eisen, Yossi; Eliyahu, I; Feinberg, Gitai; Fridman, Moshe; Halfon, S; Hult, M; Kaizer, B; Kijel, D; Krása, Antonin; Kreisel, A; Palchan, T; Paul, M; Perry, A; Silverman, I; Vaintraub, S; Weissman, L.

In: Physical Review C, Vol. 96, 055805, 15.11.2017.

Research output: Contribution to journalArticle

Harvard

Shor, A, Tessler, M, Plompen, A, Arenshtam, A, Aviv, O, Berkovits, D, Brandis, M, Eisen, Y, Eliyahu, I, Feinberg, G, Fridman, M, Halfon, S, Hult, M, Kaizer, B, Kijel, D, Krása, A, Kreisel, A, Palchan, T, Paul, M, Perry, A, Silverman, I, Vaintraub, S & Weissman, L 2017, 'Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV', Physical Review C, vol. 96, 055805. https://doi.org/10.1103/PhysRevC.96.055805

APA

Shor, A., Tessler, M., Plompen, A., Arenshtam, A., Aviv, O., Berkovits, D., ... Weissman, L. (2017). Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV. Physical Review C, 96, [055805]. https://doi.org/10.1103/PhysRevC.96.055805

Vancouver

Shor A, Tessler M, Plompen A, Arenshtam A, Aviv O, Berkovits D et al. Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV. Physical Review C. 2017 Nov 15;96. 055805. https://doi.org/10.1103/PhysRevC.96.055805

Author

Shor, Asher ; Tessler, Moshe ; Plompen, Arjan ; Arenshtam, A ; Aviv, O ; Berkovits, D ; Brandis, M ; Eisen, Yossi ; Eliyahu, I ; Feinberg, Gitai ; Fridman, Moshe ; Halfon, S ; Hult, M ; Kaizer, B ; Kijel, D ; Krása, Antonin ; Kreisel, A ; Palchan, T ; Paul, M ; Perry, A ; Silverman, I ; Vaintraub, S ; Weissman, L. / Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV. In: Physical Review C. 2017 ; Vol. 96.

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@article{766b6dd8d98a4a53b90d23b86b2d2eb9,
title = "Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV",
abstract = "Bismuth capture of neutrons is the termination point of the s-process cycle of nucleosynthesis in stellar environments. A new measurement is reported here for neutron activation of bismuth with an intense quasi- Maxwellian neutron source at kT ∼ 30 keV. The measurement was performed at the SARAF phase I accelerator facility by bombarding a 1.5-mA proton beam on the liquid-lithium larget. The cross section of the 209Bi(n,γ ) capture reaction leading to the 210Bi ground state was determined by combining β measurements from the 210gBi decay and α and γ from the subsequent 210Po decay, along with detailed Monte Carlo simulations of the 7Li(p,n) reaction kinematics and the activation experimental setup. Deduced Maxwellian averaged cross sections (MACS) for 209Bi(n,γ )210gBi at kT = 30 keV using the ENDF and JENDL databases for the corrections and extrapolations yielded a value of 1.86 ± 0.08 mb. A comparison is made with previous measurements, including time-of-flight (TOF) measurements of the total bismuth capture cross section. Plans for obtaining the MACS for capture to the bismuth-210 metastable state in the reaction 209Bi(n,γ )210mBi are discussed, along with estimates based on our results in comparison with TOF measurements. The bismuth neutron activation cross section is also of importance for design of GenIV reactor coolant and subcritical accelerator driven systems, especially in light of the 3 million year half-life of the 210mBi isomer.",
keywords = "bismuth, activation, neutron capture, Maxwellian neutrons, cross section measurement, Monte Carlo calculation, bi-210, ground state, metastable state",
author = "Asher Shor and Moshe Tessler and Arjan Plompen and A Arenshtam and O Aviv and D Berkovits and M Brandis and Yossi Eisen and I Eliyahu and Gitai Feinberg and Moshe Fridman and S Halfon and M Hult and B Kaizer and D Kijel and Antonin Kr{\'a}sa and A Kreisel and T Palchan and M Paul and A Perry and I Silverman and S Vaintraub and L Weissman",
note = "Score=10",
year = "2017",
month = "11",
day = "15",
doi = "10.1103/PhysRevC.96.055805",
language = "English",
volume = "96",
journal = "Physical Review C",
issn = "0556-2813",
publisher = "APS - American Physical Society",

}

RIS - Download

TY - JOUR

T1 - Bismuth activation with quasi-Maxwellian neutrons at kT ∼ 30 keV

AU - Shor, Asher

AU - Tessler, Moshe

AU - Plompen, Arjan

AU - Arenshtam, A

AU - Aviv, O

AU - Berkovits, D

AU - Brandis, M

AU - Eisen, Yossi

AU - Eliyahu, I

AU - Feinberg, Gitai

AU - Fridman, Moshe

AU - Halfon, S

AU - Hult, M

AU - Kaizer, B

AU - Kijel, D

AU - Krása, Antonin

AU - Kreisel, A

AU - Palchan, T

AU - Paul, M

AU - Perry, A

AU - Silverman, I

AU - Vaintraub, S

AU - Weissman, L

N1 - Score=10

PY - 2017/11/15

Y1 - 2017/11/15

N2 - Bismuth capture of neutrons is the termination point of the s-process cycle of nucleosynthesis in stellar environments. A new measurement is reported here for neutron activation of bismuth with an intense quasi- Maxwellian neutron source at kT ∼ 30 keV. The measurement was performed at the SARAF phase I accelerator facility by bombarding a 1.5-mA proton beam on the liquid-lithium larget. The cross section of the 209Bi(n,γ ) capture reaction leading to the 210Bi ground state was determined by combining β measurements from the 210gBi decay and α and γ from the subsequent 210Po decay, along with detailed Monte Carlo simulations of the 7Li(p,n) reaction kinematics and the activation experimental setup. Deduced Maxwellian averaged cross sections (MACS) for 209Bi(n,γ )210gBi at kT = 30 keV using the ENDF and JENDL databases for the corrections and extrapolations yielded a value of 1.86 ± 0.08 mb. A comparison is made with previous measurements, including time-of-flight (TOF) measurements of the total bismuth capture cross section. Plans for obtaining the MACS for capture to the bismuth-210 metastable state in the reaction 209Bi(n,γ )210mBi are discussed, along with estimates based on our results in comparison with TOF measurements. The bismuth neutron activation cross section is also of importance for design of GenIV reactor coolant and subcritical accelerator driven systems, especially in light of the 3 million year half-life of the 210mBi isomer.

AB - Bismuth capture of neutrons is the termination point of the s-process cycle of nucleosynthesis in stellar environments. A new measurement is reported here for neutron activation of bismuth with an intense quasi- Maxwellian neutron source at kT ∼ 30 keV. The measurement was performed at the SARAF phase I accelerator facility by bombarding a 1.5-mA proton beam on the liquid-lithium larget. The cross section of the 209Bi(n,γ ) capture reaction leading to the 210Bi ground state was determined by combining β measurements from the 210gBi decay and α and γ from the subsequent 210Po decay, along with detailed Monte Carlo simulations of the 7Li(p,n) reaction kinematics and the activation experimental setup. Deduced Maxwellian averaged cross sections (MACS) for 209Bi(n,γ )210gBi at kT = 30 keV using the ENDF and JENDL databases for the corrections and extrapolations yielded a value of 1.86 ± 0.08 mb. A comparison is made with previous measurements, including time-of-flight (TOF) measurements of the total bismuth capture cross section. Plans for obtaining the MACS for capture to the bismuth-210 metastable state in the reaction 209Bi(n,γ )210mBi are discussed, along with estimates based on our results in comparison with TOF measurements. The bismuth neutron activation cross section is also of importance for design of GenIV reactor coolant and subcritical accelerator driven systems, especially in light of the 3 million year half-life of the 210mBi isomer.

KW - bismuth

KW - activation

KW - neutron capture

KW - Maxwellian neutrons

KW - cross section measurement

KW - Monte Carlo calculation

KW - bi-210

KW - ground state

KW - metastable state

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/31733252

U2 - 10.1103/PhysRevC.96.055805

DO - 10.1103/PhysRevC.96.055805

M3 - Article

VL - 96

JO - Physical Review C

JF - Physical Review C

SN - 0556-2813

M1 - 055805

ER -

ID: 4756528