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Title: Neutron inelastic scattering measurements on Xe 136 at E n = 0.7 to 100 MeV

Abstract

Experiments searching for neutrinoless double $${\beta}$$ decay ($$0{\nu}{\beta}{\beta}$$) require precise energy calibration and extremely low backgrounds. One of the most popular isotopes for $$0{\nu}{\beta}{\beta}$$ experiments is $$^{136}\mathrm{Xe}$$. In support of these experiments, the neutron inelastic scattering properties of this isotope have been measured at the GErmanium Array for Neutron Induced Excitations (GEANIE) at the Los Alamos Neutron Science Center. Time-of-flight techniques are utilized with high-purity germanium detectors to search for inelastic scattering $${\gamma}$$ rays for neutron energies between 0.7 and 100 MeV. Limits are set on production of yet-unobserved $${\gamma}$$ rays in the energy range critical for $$0{\nu}{\beta}{\beta}$$ studies, and measurements are made of multiple $${\gamma}$$-ray production cross sections. In particular, we have measured the production of the 1313 keV $${\gamma}$$ ray, which comes from the transition of the first-excited to ground state of $$^{136}\mathrm{Xe}$$. This neutron-induced $${\gamma}$$ line may be useful for a novel energy calibration technique.

Authors:
 [1];  [1];  [2]; ORCiD logo [3]; ORCiD logo [3]; ORCiD logo [3];  [4]
  1. Indiana Univ., Bloomington, IN (United States). Physics Dept. Center for Exploration of Energy and Matter (CEEM)
  2. Indiana Univ., Bloomington, IN (United States). Physics Dept. Center for Exploration of Energy and Matter (CEEM); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Charles Univ., Prague (Czech Republic). Faculty of Mathematics and Physics
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Indiana Univ., Bloomington, IN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); USDOE Office of Science (SC). Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1492615
Alternate Identifier(s):
OSTI ID: 1485195; OSTI ID: 1490397
Report Number(s):
LA-UR-18-26781
Journal ID: ISSN 2469-9985
Grant/Contract Number:  
AC02-76SF00515; AC52-06NA25396; SC0012191; 89233218CNA000001
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 98; Journal Issue: 6; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; direct reactions; neutrinoless double beta decay; nuclear reactions; nucleon induced nuclear reactions; radiation detectors; spectrometers & spectroscopic techniques

Citation Formats

Daugherty, S. J., Albert, J. B., Kaufman, L. J., Devlin, M., Fotiades, N., Nelson, R. O., and Krtička, M. Neutron inelastic scattering measurements on Xe136 at En=0.7 to 100 MeV. United States: N. p., 2018. Web. doi:10.1103/physrevc.98.064606.
Daugherty, S. J., Albert, J. B., Kaufman, L. J., Devlin, M., Fotiades, N., Nelson, R. O., & Krtička, M. Neutron inelastic scattering measurements on Xe136 at En=0.7 to 100 MeV. United States. doi:10.1103/physrevc.98.064606.
Daugherty, S. J., Albert, J. B., Kaufman, L. J., Devlin, M., Fotiades, N., Nelson, R. O., and Krtička, M. Mon . "Neutron inelastic scattering measurements on Xe136 at En=0.7 to 100 MeV". United States. doi:10.1103/physrevc.98.064606. https://www.osti.gov/servlets/purl/1492615.
@article{osti_1492615,
title = {Neutron inelastic scattering measurements on Xe136 at En=0.7 to 100 MeV},
author = {Daugherty, S. J. and Albert, J. B. and Kaufman, L. J. and Devlin, M. and Fotiades, N. and Nelson, R. O. and Krtička, M.},
abstractNote = {Experiments searching for neutrinoless double ${\beta}$ decay ($0{\nu}{\beta}{\beta}$) require precise energy calibration and extremely low backgrounds. One of the most popular isotopes for $0{\nu}{\beta}{\beta}$ experiments is $^{136}\mathrm{Xe}$. In support of these experiments, the neutron inelastic scattering properties of this isotope have been measured at the GErmanium Array for Neutron Induced Excitations (GEANIE) at the Los Alamos Neutron Science Center. Time-of-flight techniques are utilized with high-purity germanium detectors to search for inelastic scattering ${\gamma}$ rays for neutron energies between 0.7 and 100 MeV. Limits are set on production of yet-unobserved ${\gamma}$ rays in the energy range critical for $0{\nu}{\beta}{\beta}$ studies, and measurements are made of multiple ${\gamma}$-ray production cross sections. In particular, we have measured the production of the 1313 keV ${\gamma}$ ray, which comes from the transition of the first-excited to ground state of $^{136}\mathrm{Xe}$. This neutron-induced ${\gamma}$ line may be useful for a novel energy calibration technique.},
doi = {10.1103/physrevc.98.064606},
journal = {Physical Review C},
number = 6,
volume = 98,
place = {United States},
year = {2018},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Figures / Tables:

FIG. 1 FIG. 1: Measured neutron flux spectrum at GEANIE. The relative flux magnitudes for the xenon and iron calibration datasets were determined exclusively using the 235U fission foil data, as the 238U efficiency was less stable. This figure is not normalized to any specific set of beam time. The flux shapemore » was determined by the 235U (238U) data for En ≤ 4 MeV (En > 4 MeV). Open markers are used here to demonstrate flux shape agreement between the two measurements. (color online)« less

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.