Reduction in the uncertainty of the neutron-capture cross section of 210Bi: Impact of a precise multipolarity measurement of the 2− → 1− main ground-state transition

Natalia Cieplicka-Oryńczak; Silvia Leoni; Bogdan Fornal; Dino Bazzacco; Aurelien Blanc; Giovanni Bocchi; Simone Bottoni; Gilles de France; Michael Jentschel; Ulli Köster; Paolo Mutti; Gary Simpson; Torsten Soldner; Bartłomiej Szpak; Calin Ur; Waldemar Urban

doi:10.1051/epjconf/201714610011

All issues

Volume 146 (2017)

EPJ Web Conf., 146 (2017) 10011

Abstract

Open Access

Issue		EPJ Web Conf. Volume 146, 2017 ND 2016: International Conference on Nuclear Data for Science and Technology


Article Number		10011
Number of page(s)		4
Section		Nuclear Masses, Structure and Decay Data Measurements
DOI		https://doi.org/10.1051/epjconf/201714610011
Published online		13 September 2017

EPJ Web of Conferences 146, 10011 (2017)
https://doi.org/10.1051/epjconf/201714610011

Reduction in the uncertainty of the neutron-capture cross section of ²¹⁰Bi: Impact of a precise multipolarity measurement of the 2⁻ → 1⁻ main ground-state transition

Natalia Cieplicka-Oryńczak¹^,2^a, Silvia Leoni¹^,3, Bogdan Fornal², Dino Bazzacco⁴, Aurelien Blanc⁵, Giovanni Bocchi¹^,3, Simone Bottoni¹^,3, Gilles de France⁶, Michael Jentschel⁵, Ulli Köster⁵, Paolo Mutti⁵, Gary Simpson⁷, Torsten Soldner⁵, Bartłomiej Szpak², Calin Ur⁸ and Waldemar Urban⁹

¹ INFN sezione di Milano, 20133 Milano, Italy
² Institute of Nuclear Physics, Polish Academy of Sciences, 31-342 Kraków, Poland
³ Università degli Studi di Milano, 20133 Milano, Italy
⁴ Dipartimento di Fisica e Astronomia dell’Università and INFN Sezione di Padova, 35131 Padova, Italy
⁵ Institut Laue-Langevin, 6, rue Jules Horowitz, 38042 Grenoble Cedex 9, France
⁶ GANIL, Bd. Becquerel, BP. 55027, 14076 Caen Cedex 05, France
⁷ LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, 38026 Grenoble Cedex, France
⁸ INFN Sezione di Padova, 35131 Padova, Italy
⁹ Faculty of Physics, University of Warsaw, 02-093, Warszawa, Poland

^a e-mail: natalia.cieplicka@mi.infn.it

Published online: 13 September 2017

Abstract

The mixing ratio of the main 320-keV, M1 + E2 ground-state γ transition in ²¹⁰Bi has been more precisely quantified, allowing a significant reduction in the uncertainty of measurements of the neutron-capture cross section to the ground state of ²¹⁰Bi from 25% to 0.9%. Accurate values for neutron-capture cross sections to both the ground and long-lived 9⁻ isomeric state at 271 keV in ²¹⁰Bi are of particular importance as Pb-Bi finds increased usage in Accelerator Driven Systems.

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