Total absorption γ-ray spectroscopy of the β-delayed neutron emitters Br87, Br88, and Rb94

Valencia, E.; Tain, J. L.; Algora, A.; Agramunt, J.; Estevez, E.; Jordan, M. D.; Rubio, B.; Rice, S.; Regan, P.; Gelletly, W.; Podolyák, Z.; Bowry, M.; Mason, P.; Farrelly, G. F.; Zakari-Issoufou, A.; Fallot, M.; Porta, A.; Bui, V. M.; Rissanen, J.; Eronen, T.; Moore, I.; Penttilä, H.; Äystö, J.; Elomaa, V. -V.; Hakala, J.; Jokinen, A.; Kolhinen, V. S.; Reponen, M.; Sonnenschein, V.; Cano-Ott, D.; Garcia, A. R.; Martínez, T.; Mendoza, E.; Caballero-Folch, R.; Gomez-Hornillos, B.; Gorlichev, V.; Kondev, F. G.; Sonzogni, A. A.; Batist, L.

doi:10.1103/PhysRevC.95.024320

Title: Total absorption $γ$ -ray spectroscopy of the $β$ -delayed neutron emitters ${}^{87}{Br}$ , ${}^{88}{Br}$ , and ${}^{94}{Rb}$

Abstract

In this paper, we investigate the decay of ^87,88Br and ⁹⁴Rb using total absorption γ-ray spectroscopy. These important fission products are β-delayed neutron emitters. Our data show considerable βγ intensity, so far unobserved in high-resolution γ-ray spectroscopy, from states at high excitation energy. We also find significant differences with the β intensity that can be deduced from existing measurements of the β spectrum. We evaluate the impact of the present data on reactor decay heat using summation calculations. Although the effect is relatively small it helps to reduce the discrepancy between calculations and integral measurements of the photon component for ²³⁵U fission at cooling times in the range 1-100 s. We also use summation calculations to evaluate the impact of present data on reactor antineutrino spectra. We find a significant effect at antineutrino energies in the range of 5 to 9 MeV. In addition, we observe an unexpected strong probability for γ emission from neutron unbound states populated in the daughter nucleus. The γ branching is compared to Hauser-Feshbach calculations, which allow one to explain the large value for bromine isotopes as due to nuclear structure. However the branching for ⁹⁴Rb, although much smaller, hints of the need to increasemore »« less

Authors:

Valencia, E. ^[1]; Tain, J. L. ^[1]; Algora, A. ^[1]; Agramunt, J. ^[1]; Estevez, E. ^[1]; Jordan, M. D. ^[1]; Rubio, B. ^[1]; Rice, S. ^[2]; Regan, P. ^[2]; Gelletly, W. ^[2]; Podolyák, Z. ^[2]; Bowry, M. ^[2]; Mason, P. ^[2]; Farrelly, G. F. ^[2]; Zakari-Issoufou, A. ^[3]; Fallot, M. ^[3]; Porta, A. ^[3]; Bui, V. M. ^[3]; Rissanen, J. ^[4]; Eronen, T. ^[4] more »

Univ. of Valencia (Spain). Inst. of Corpuscular Physics
Univ. of Surrey, Guildford (United Kingdom). Dept. of Physics
Univ. of Nantes (France). School of Mines. SUBATECH. CNRS/IN2P3
Univ. of Jyvaskyla (Finland). Dept. of Physics
Research Centre for Energy, Environment and Technology (CIEMAT), Madrid (Spain)
Polytechnic Univ. of Catalonia, Barcelona (Spain)
Argonne National Lab. (ANL), Argonne, IL (United States). Nuclear Engineering Division
Brookhaven National Lab. (BNL), Upton, NY (United States)
Petersburg Nuclear Physics Inst., Gatchina (Russian Federation)

Publication Date:: 2017-02-21

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States); Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Valencia (Spain); Univ. of Surrey, Guildford (United Kingdom); Univ. of Nantes (France); Univ. of Jyvaskyla (Finland)

Sponsoring Org.:: USDOE Office of Science (SC); Ministry of Economy, Industry and Competitiveness (MINECO) (Spain); Academy of Finland; Engineering and Physical Sciences Research Council (EPSRC); Science and Technology Facilities Council (STFC) (United Kingdom); European Commission (EC)

Contributing Org.:: Research Centre for Energy, Environment and Technology (CIEMAT), Madrid (Spain); Polytechnic Univ. of Catalonia, Barcelona (Spain); Petersburg Nuclear Physics Inst., Gatchina (Russian Federation)

OSTI Identifier:: 1358031

Alternate Identifier(s):: OSTI ID: 1344595

Report Number(s):: BNL-113870-2017-JA
Journal ID: ISSN 2469-9985

Grant/Contract Number:: SC0012704; AC02-06CH11357; SEV-2014-0398; FPA2008-06419; FPA2010-17142; FPA2011-24553; FPA2014-52823-C2-1-P; CPAN CSD-2007-00042; 213503; 605203

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review C

Additional Journal Information:: Journal Volume: 95; Journal Issue: 2; Journal ID: ISSN 2469-9985

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats


                    Valencia, E., Tain, J. L., Algora, A., Agramunt, J., Estevez, E., Jordan, M. D., Rubio, B., Rice, S., Regan, P., Gelletly, W., Podolyák, Z., Bowry, M., Mason, P., Farrelly, G. F., Zakari-Issoufou, A., Fallot, M., Porta, A., Bui, V. M., Rissanen, J., Eronen, T., Moore, I., Penttilä, H., Äystö, J., Elomaa, V. -V., Hakala, J., Jokinen, A., Kolhinen, V. S., Reponen, M., Sonnenschein, V., Cano-Ott, D., Garcia, A. R., Martínez, T., Mendoza, E., Caballero-Folch, R., Gomez-Hornillos, B., Gorlichev, V., Kondev, F. G., Sonzogni, A. A., and Batist, L. Total absorption γ-ray spectroscopy of the β-delayed neutron emitters Br87, Br88, and Rb94.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevC.95.024320.

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                    Valencia, E., Tain, J. L., Algora, A., Agramunt, J., Estevez, E., Jordan, M. D., Rubio, B., Rice, S., Regan, P., Gelletly, W., Podolyák, Z., Bowry, M., Mason, P., Farrelly, G. F., Zakari-Issoufou, A., Fallot, M., Porta, A., Bui, V. M., Rissanen, J., Eronen, T., Moore, I., Penttilä, H., Äystö, J., Elomaa, V. -V., Hakala, J., Jokinen, A., Kolhinen, V. S., Reponen, M., Sonnenschein, V., Cano-Ott, D., Garcia, A. R., Martínez, T., Mendoza, E., Caballero-Folch, R., Gomez-Hornillos, B., Gorlichev, V., Kondev, F. G., Sonzogni, A. A., & Batist, L. Total absorption γ-ray spectroscopy of the β-delayed neutron emitters Br87, Br88, and Rb94.  United States.  https://doi.org/10.1103/PhysRevC.95.024320

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                    Valencia, E., Tain, J. L., Algora, A., Agramunt, J., Estevez, E., Jordan, M. D., Rubio, B., Rice, S., Regan, P., Gelletly, W., Podolyák, Z., Bowry, M., Mason, P., Farrelly, G. F., Zakari-Issoufou, A., Fallot, M., Porta, A., Bui, V. M., Rissanen, J., Eronen, T., Moore, I., Penttilä, H., Äystö, J., Elomaa, V. -V., Hakala, J., Jokinen, A., Kolhinen, V. S., Reponen, M., Sonnenschein, V., Cano-Ott, D., Garcia, A. R., Martínez, T., Mendoza, E., Caballero-Folch, R., Gomez-Hornillos, B., Gorlichev, V., Kondev, F. G., Sonzogni, A. A., and Batist, L. Tue .  
"Total absorption γ-ray spectroscopy of the β-delayed neutron emitters Br87, Br88, and Rb94".  United States.  https://doi.org/10.1103/PhysRevC.95.024320.  https://www.osti.gov/servlets/purl/1358031.

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@article{osti_1358031,

  title        = {Total absorption γ-ray spectroscopy of the β-delayed neutron emitters Br87, Br88, and Rb94},

  author       = {Valencia, E. and Tain, J. L. and Algora, A. and Agramunt, J. and Estevez, E. and Jordan, M. D. and Rubio, B. and Rice, S. and Regan, P. and Gelletly, W. and Podolyák, Z. and Bowry, M. and Mason, P. and Farrelly, G. F. and Zakari-Issoufou, A. and Fallot, M. and Porta, A. and Bui, V. M. and Rissanen, J. and Eronen, T. and Moore, I. and Penttilä, H. and Äystö, J. and Elomaa, V. -V. and Hakala, J. and Jokinen, A. and Kolhinen, V. S. and Reponen, M. and Sonnenschein, V. and Cano-Ott, D. and Garcia, A. R. and Martínez, T. and Mendoza, E. and Caballero-Folch, R. and Gomez-Hornillos, B. and Gorlichev, V. and Kondev, F. G. and Sonzogni, A. A. and Batist, L.},

  abstractNote = {In this paper, we investigate the decay of 87,88Br and 94Rb using total absorption γ-ray spectroscopy. These important fission products are β-delayed neutron emitters. Our data show considerable βγ intensity, so far unobserved in high-resolution γ-ray spectroscopy, from states at high excitation energy. We also find significant differences with the β intensity that can be deduced from existing measurements of the β spectrum. We evaluate the impact of the present data on reactor decay heat using summation calculations. Although the effect is relatively small it helps to reduce the discrepancy between calculations and integral measurements of the photon component for 235U fission at cooling times in the range 1-100 s. We also use summation calculations to evaluate the impact of present data on reactor antineutrino spectra. We find a significant effect at antineutrino energies in the range of 5 to 9 MeV. In addition, we observe an unexpected strong probability for γ emission from neutron unbound states populated in the daughter nucleus. The γ branching is compared to Hauser-Feshbach calculations, which allow one to explain the large value for bromine isotopes as due to nuclear structure. However the branching for 94Rb, although much smaller, hints of the need to increase the radiative width Γγ by one order of magnitude. Finally, this increase in Γγ would lead to a similar increase in the calculated (n, γ) cross section for this very neutron-rich nucleus with a potential impact on r process abundance calculations.},

  doi          = {10.1103/PhysRevC.95.024320},

  journal      = {Physical Review C},

  number       = 2,

  volume       = 95,

  place        = {United States},

  year         = {2017},

  month        = {2}

}

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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 506, Issue 3
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Delayed neutrons and high-energy γ-rays from decay of 87Br
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Nuh, F. M.; Slaughter, D. R.; Prussin, S. G.
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Decay of mass-separated ${}^{141}{Cs}$ to ${}^{141}{Ba}$ and systematics of $N = 85$ isotones
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Yamamoto, H.; Wohn, F. K.; Sistemich, K.
Physical Review C, Vol. 26, Issue 3
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New calculations of gross $β$ -decay properties for astrophysical applications: Speeding-up the classical r process
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Möller, Peter; Pfeiffer, Bernd; Kratz, Karl-Ludwig
Physical Review C, Vol. 67, Issue 5
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Measurement of β−-decay intensity distributions of several fission-product isotopes using a total absorption γ-ray spectrometer
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Greenwood, R. C.; Helmer, R. G.; Putnam, M. H.
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 390, Issue 1-2
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Experimental Determination of the Antineutrino Spectrum of the Fission Products of ${}^{238}U$
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Haag, N.; Gütlein, A.; Hofmann, M.
Physical Review Letters, Vol. 112, Issue 12
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Dynamical $r$ -process studies within the neutrino-driven wind scenario and its sensitivity to the nuclear physics input
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Arcones, A.; Martínez-Pinedo, G.
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Gamma-ray emission in competition with neutron emission in the beta decay of 87Br
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Slaughter, D. R.; Nuh, F. M.; Shihab-Eldin, A. A.
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Characterization of a neutron–beta counting system with beta-delayed neutron emitters
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 807
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Fine structure of the Gamow-Teller resonance revealed in the decay of $^{150} Ho$ $2^{-}$ isomer
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Physical Review C, Vol. 68, Issue 3
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Jordan, D.; Algora, A.; Taín, J. L.
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Changes in r -process abundances at late times
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Improved measurements of the neutrino mixing angle theta(13) with the Double Chooz detector
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Abe, Y.; Dos Anjos, J. C.; Barriere, J. C.
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Cribier, M.
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New antineutrino energy spectra predictions from the summation of beta decay branches of the fission products
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Spectral Structure of Electron Antineutrinos from Nuclear Reactors
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Measurement of the Reactor Antineutrino Flux and Spectrum at Daya Bay
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Works referencing / citing this record:

$β$ -decay properties of neutron-rich Ca, Ti, and Cr isotopes
journal, August 2018

Sarriguren, P.; Algora, A.; Kiss, G.
Physical Review C, Vol. 98, Issue 2
DOI: 10.1103/physrevc.98.024311

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Title: Total absorption γ -ray spectroscopy of the β -delayed neutron emitters Br 87 , Br 88 , and Rb 94

Abstract

Citation Formats

Decay Heat Calculations Based on Theoretical Estimation of Average Beta- and Gamma-Energies Released from Short-Lived Fission Products journal, June 1981

Determination of antineutrino spectra from nuclear reactors journal, August 2011

Total Absorption Spectroscopy Study of Rb 92 Decay: A Major Contributor to Reactor Antineutrino Spectrum Shape journal, September 2015

Astrophysical Reaction Rates From Statistical Model Calculations journal, May 2000

RIPL – Reference Input Parameter Library for Calculation of Nuclear Reactions and Nuclear Data Evaluations journal, December 2009

Beyond the N = 50 shell closure: High-spin excitations of 87Kr and ground-state spin of 87Br journal, May 2006

Status of the JEFF Nuclear Data Library journal, August 2011

Determination of the antineutrino spectrum from 235U thermal neutron fission products up to 9.5 MeV journal, October 1985

β decay of the π f 5 / 2 ground state of Cu 77 studied with 225 MeV and 0.2 MeV purified radioactive beams journal, November 2009

Pulse pileup correction of large NaI(Tl) total absorption spectra using the true pulse shape journal, July 1999

Reactor-based neutrino oscillation experiments journal, March 2002

The essential decay of pandemonium: A demonstration of errors in complex beta-decay schemes journal, November 1977

Nuclear Data Sheets for A = 87 journal, March 2002

Spectral Structure of Electron Antineutrinos from Nuclear Reactors journal, January 2015

Decays of the Three Top Contributors to the Reactor ν ¯ e High-Energy Spectrum, Rb 92 , Y 96 gs , and Cs 142 , Studied with Total Absorption Spectroscopy journal, August 2016

Reactor Neutrinos journal, January 2013

Beta and gama spectra of short-lived fission products journal, July 1990

Identification of μs isomers in the fission products of 241 Pu ( n th , f ) journal, January 1999

High-energy γ-rays in 87Kr following the decay of 87Br journal, November 1975

New Antineutrino Energy Spectra Predictions from the Summation of Beta Decay Branches of the Fission Products journal, November 2012

Gamma-ray competition with neutron emission in the decay of 137I journal, January 1975

Total cross section and resonance spectroscopy for n + 86 Kr journal, October 1988

Reactor monitoring with Neutrinos journal, December 2011

Reactor Decay Heat in Pu 239 : Solving the γ Discrepancy in the 4–3000-s Cooling Period journal, November 2010

The influence of the unknown de-excitation pattern in the analysis of -decay total absorption spectra journal, February 2007

Improved predictions of reactor antineutrino spectra journal, May 2011

Measurement of the Reactor Antineutrino Flux and Spectrum at Daya Bay journal, February 2016

Systematic Uncertainties in the Analysis of the Reactor Neutrino Anomaly journal, May 2014

Nuclear Data Sheets for A = 88 journal, January 2014

Improved measurements of the neutrino mixing angle θ 13 with the Double Chooz detector journal, October 2014

Synthesis of the Elements in Stars journal, October 1957

The beta-decay of95Rb and97Rb journal, March 1983

Nuclear Data Sheets for A = 94 journal, September 2006

The GT resonance revealed in β+-decay using new experimental techniques journal, July 1999

Integral gn-spectra derived from experimental β-spectra of individual fission products journal, October 1989

The decay of85As journal, September 1991

β decay of 97 Ag : Evidence for the Gamow-Teller resonance near 100 Sn journal, July 1999

Observation of Energy and Baseline Dependent Reactor Antineutrino Disappearance in the RENO Experiment journal, May 2016

Nuclear structure insights into reactor antineutrino spectra journal, January 2015

Enhanced γ -Ray Emission from Neutron Unbound States Populated in β Decay journal, August 2015

Beta-delayed neutrons and high-energy gamma-rays from decay of137I journal, March 1980

Local and global nucleon optical models from 1 keV to 200 MeV journal, January 2003

Changes in r -process abundances at late times journal, August 2001

JYFLTRAP: a Penning trap for precision mass spectroscopy and isobaric purification journal, April 2012

Gamma-ray decay schemes for Kr 93 , Rb 93 , and Sr 93 journal, March 1977

ENDF/B-VII.1 Nuclear Data for Science and Technology: Cross Sections, Covariances, Fission Product Yields and Decay Data journal, December 2011

Effect of first-forbidden decays on the shape of neutrino spectra journal, February 2015

Algorithms for the analysis of -decay total absorption spectra journal, February 2007

Antineutrino spectra from 241Pu and 239Pu thermal neutron fission products journal, February 1989

Strong Neutron- γ Competition above the Neutron Threshold in the Decay of Co 70 journal, September 2016

Compound-nuclear reaction cross sections from surrogate measurements journal, March 2012

Improved microscopic nuclear level densities within the Hartree-Fock-Bogoliubov plus combinatorial method journal, December 2008

β -decay studies of the transitional nucleus Cu 75 and the structure of Zn 75 journal, January 2011

Radiative neutron captures by neutron-rich nuclei and the r-process nucleosynthesis journal, September 1998

Strength-function phenomena in electron-capture beta decay journal, August 1970

Possible origins and implications of the shoulder in reactor neutrino spectra journal, August 2015

Towards commissioning the new IGISOL-4 facility journal, December 2013

The sensitivity of LaBr3:Ce scintillation detectors to low energy neutrons: Measurement and Monte Carlo simulation journal, February 2015

Monte Carlo simulation of the response of a large NaI(Tl)total absorption spectrometer for β-decay studies journal, July 1999

Investigation of beta strength functions by neutron and gamma-ray spectroscopy journal, April 1979

Reactor antineutrino anomaly journal, April 2011

Overlapping β decay and resonance neutron spectroscopy of levels in Kr 87 journal, August 1983

Geant4—a simulation toolkit journal, July 2003

Delayed neutrons and high-energy γ-rays from decay of 87Br journal, December 1977

Decay of mass-separated Cs 141 to Ba 141 and systematics of N = 85 isotones journal, September 1982

New calculations of gross β -decay properties for astrophysical applications: Speeding-up the classical r process journal, May 2003

Measurement of β−-decay intensity distributions of several fission-product isotopes using a total absorption γ-ray spectrometer journal, May 1997

Experimental Determination of the Antineutrino Spectrum of the Fission Products of U 238 journal, March 2014

Dynamical r -process studies within the neutrino-driven wind scenario and its sensitivity to the nuclear physics input journal, April 2011

Gamma-ray emission in competition with neutron emission in the beta decay of 87Br journal, January 1972

Characterization of a neutron–beta counting system with beta-delayed neutron emitters journal, January 2016

Fine structure of the Gamow-Teller resonance revealed in the decay of 150 Ho 2 − isomer journal, September 2003

Total absorption study of the β decay of 102 , 104 , 105 Tc journal, April 2013

Changes in r -process abundances at late times text, January 2001

Improved measurements of the neutrino mixing angle theta(13) with the Double Chooz detector text, January 2014

Reactor Monitoring with Neutrinos text, January 2007

New antineutrino energy spectra predictions from the summation of beta decay branches of the fission products text, January 2012

Title: Total absorption $γ$ -ray spectroscopy of the $β$ -delayed neutron emitters ${}^{87}{Br}$ , ${}^{88}{Br}$ , and ${}^{94}{Rb}$

Decay Heat Calculations Based on Theoretical Estimation of Average Beta- and Gamma-Energies Released from Short-Lived Fission Products
journal, June 1981

Determination of antineutrino spectra from nuclear reactors
journal, August 2011

Total Absorption Spectroscopy Study of ${}^{92}{Rb}$ Decay: A Major Contributor to Reactor Antineutrino Spectrum Shape
journal, September 2015

Astrophysical Reaction Rates From Statistical Model Calculations
journal, May 2000

RIPL – Reference Input Parameter Library for Calculation of Nuclear Reactions and Nuclear Data Evaluations
journal, December 2009

Beyond the N = 50 shell closure: High-spin excitations of 87Kr and ground-state spin of 87Br
journal, May 2006

Status of the JEFF Nuclear Data Library
journal, August 2011

Determination of the antineutrino spectrum from 235U thermal neutron fission products up to 9.5 MeV
journal, October 1985

$β$ decay of the $π f_{5 / 2}$ ground state of ${}^{77}{Cu}$ studied with $225$ MeV and $0.2$ MeV purified radioactive beams
journal, November 2009

Pulse pileup correction of large NaI(Tl) total absorption spectra using the true pulse shape
journal, July 1999

Reactor-based neutrino oscillation experiments
journal, March 2002

The essential decay of pandemonium: A demonstration of errors in complex beta-decay schemes
journal, November 1977

Nuclear Data Sheets for A = 87
journal, March 2002

Spectral Structure of Electron Antineutrinos from Nuclear Reactors
journal, January 2015

Decays of the Three Top Contributors to the Reactor ${\bar{ν}}_{e}$ High-Energy Spectrum, ${}^{92}{Rb}$ , ${}^{96 gs}Y$ , and ${}^{142}{Cs}$ , Studied with Total Absorption Spectroscopy
journal, August 2016

Reactor Neutrinos
journal, January 2013

Beta and gama spectra of short-lived fission products
journal, July 1990

Identification of μs isomers in the fission products of $^{241} Pu {(n}_{th}, f)$
journal, January 1999

High-energy γ-rays in 87Kr following the decay of 87Br
journal, November 1975

New Antineutrino Energy Spectra Predictions from the Summation of Beta Decay Branches of the Fission Products
journal, November 2012

Gamma-ray competition with neutron emission in the decay of 137I
journal, January 1975

Total cross section and resonance spectroscopy for n $+^{86}$ Kr
journal, October 1988

Reactor monitoring with Neutrinos
journal, December 2011

Reactor Decay Heat in ${}^{239}{Pu}$ : Solving the $γ$ Discrepancy in the 4–3000-s Cooling Period
journal, November 2010

The influence of the unknown de-excitation pattern in the analysis of -decay total absorption spectra
journal, February 2007

Improved predictions of reactor antineutrino spectra
journal, May 2011

Measurement of the Reactor Antineutrino Flux and Spectrum at Daya Bay
journal, February 2016

Systematic Uncertainties in the Analysis of the Reactor Neutrino Anomaly
journal, May 2014

Nuclear Data Sheets for A = 88
journal, January 2014

Improved measurements of the neutrino mixing angle θ 13 with the Double Chooz detector
journal, October 2014

Synthesis of the Elements in Stars
journal, October 1957

The beta-decay of95Rb and97Rb
journal, March 1983

Nuclear Data Sheets for A = 94
journal, September 2006

The GT resonance revealed in β+-decay using new experimental techniques
journal, July 1999

Integral gn-spectra derived from experimental β-spectra of individual fission products
journal, October 1989

The decay of85As
journal, September 1991

$β$ decay of $^{97} Ag$ : Evidence for the Gamow-Teller resonance near $^{100} Sn$
journal, July 1999

Observation of Energy and Baseline Dependent Reactor Antineutrino Disappearance in the RENO Experiment
journal, May 2016

Nuclear structure insights into reactor antineutrino spectra
journal, January 2015

Enhanced $γ$ -Ray Emission from Neutron Unbound States Populated in $β$ Decay
journal, August 2015

Beta-delayed neutrons and high-energy gamma-rays from decay of137I
journal, March 1980

Local and global nucleon optical models from 1 keV to 200 MeV
journal, January 2003

Changes in r -process abundances at late times
journal, August 2001

JYFLTRAP: a Penning trap for precision mass spectroscopy and isobaric purification
journal, April 2012

Gamma-ray decay schemes for ${}^{93}{Kr}$ , ${}^{93}{Rb}$ , and ${}^{93}{Sr}$
journal, March 1977

ENDF/B-VII.1 Nuclear Data for Science and Technology: Cross Sections, Covariances, Fission Product Yields and Decay Data
journal, December 2011

Effect of first-forbidden decays on the shape of neutrino spectra
journal, February 2015

Algorithms for the analysis of -decay total absorption spectra
journal, February 2007

Antineutrino spectra from 241Pu and 239Pu thermal neutron fission products
journal, February 1989

Strong Neutron- $γ$ Competition above the Neutron Threshold in the Decay of ${}^{70}{Co}$
journal, September 2016

Compound-nuclear reaction cross sections from surrogate measurements
journal, March 2012

Improved microscopic nuclear level densities within the Hartree-Fock-Bogoliubov plus combinatorial method
journal, December 2008

$β$ -decay studies of the transitional nucleus ${}^{75}{Cu}$ and the structure of ${}^{75}{Zn}$
journal, January 2011

Radiative neutron captures by neutron-rich nuclei and the r-process nucleosynthesis
journal, September 1998

Strength-function phenomena in electron-capture beta decay
journal, August 1970

Possible origins and implications of the shoulder in reactor neutrino spectra
journal, August 2015

Towards commissioning the new IGISOL-4 facility
journal, December 2013

The sensitivity of LaBr3:Ce scintillation detectors to low energy neutrons: Measurement and Monte Carlo simulation
journal, February 2015

Monte Carlo simulation of the response of a large NaI(Tl)total absorption spectrometer for β-decay studies
journal, July 1999

Investigation of beta strength functions by neutron and gamma-ray spectroscopy
journal, April 1979

Reactor antineutrino anomaly
journal, April 2011

Overlapping $β$ decay and resonance neutron spectroscopy of levels in ${}^{87}{Kr}$
journal, August 1983

Geant4—a simulation toolkit
journal, July 2003

Delayed neutrons and high-energy γ-rays from decay of 87Br
journal, December 1977

Decay of mass-separated ${}^{141}{Cs}$ to ${}^{141}{Ba}$ and systematics of $N = 85$ isotones
journal, September 1982

New calculations of gross $β$ -decay properties for astrophysical applications: Speeding-up the classical r process
journal, May 2003

Measurement of β−-decay intensity distributions of several fission-product isotopes using a total absorption γ-ray spectrometer
journal, May 1997

Experimental Determination of the Antineutrino Spectrum of the Fission Products of ${}^{238}U$
journal, March 2014

Dynamical $r$ -process studies within the neutrino-driven wind scenario and its sensitivity to the nuclear physics input
journal, April 2011

Gamma-ray emission in competition with neutron emission in the beta decay of 87Br
journal, January 1972

Characterization of a neutron–beta counting system with beta-delayed neutron emitters
journal, January 2016

Fine structure of the Gamow-Teller resonance revealed in the decay of $^{150} Ho$ $2^{-}$ isomer
journal, September 2003

Total absorption study of the $β$ decay of $^{102, 104, 105}$ Tc
journal, April 2013

Changes in r -process abundances at late times
text, January 2001

Improved measurements of the neutrino mixing angle theta(13) with the Double Chooz detector
text, January 2014

Reactor Monitoring with Neutrinos
text, January 2007

New antineutrino energy spectra predictions from the summation of beta decay branches of the fission products
text, January 2012

Spectral Structure of Electron Antineutrinos from Nuclear Reactors
text, January 2014

Measurement of the Reactor Antineutrino Flux and Spectrum at Daya Bay
text, January 2015