Decays of the Three Top Contributors to the Reactor<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mover accent="true"><mml:mi>ν</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mi>e</mml:mi></mml:msub></mml:math>High-Energy Spectrum,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Rb</mml:mi></mml:mrow><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>92</mml:mn></mml:mrow></mml:mmult

Rasco, B. C.; Wolińska-Cichocka, M.; Fijałkowska, A.; Rykaczewski, K. P.; Karny, M.; Grzywacz, R.; Goetz, K. C.; Gross, C. J.; Stracener, D. W.; Zganjar, E. F.; Batchelder, J.C.; Blackmon, J. C.; Brewer, N. T.; Go, S.; Heffron, B.; King, T. T.; Matta, J. T.; Miernik, K.; Nesaraja, C. D.; Paulauskas, S. V.; Rajabali, M. M.; Wang, E. H.; Winger, J. A.; Xiao, Y.; Zachary, C. J.

doi:10.1103/physrevlett.117.092501

Cited by 58 publications

(41 citation statements)

References 34 publications

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“…The MTAS-determined 142 Cs β-feeding to the 142 Ba ground-state is 44(2)%, lower than 56% listed in ENSDF. The upper limit for beta-feeding to the first-excited 2 + state in 142 Ba is 0.5% [8], at least an order of magnitude lower than reported earlier 7% [12].…”

Section: Decay Of 142 Csmentioning

confidence: 49%

“…The evaluation method is based primarily on the techniques applied in the analysis of other total absorption spectrometers spectra, see e.g., [9][10][11]. However, our analysis is profiting from the increased efficiency and high segmentation of MTAS [2,3,8]. The MTAS detector response function was simulated with the GEANT4 toolkit.…”

Section: Mtas Measurement and Ensdf Database Comparisonmentioning

confidence: 99%

“…These correspond to energy levels below threshold energy with de-excitation γ -paths known from high energy resolution gamma spectroscopy data and to unknown β-fed levels above the threshold energy grouped in 25 keV wide bins. More details of MTAS spectra analysis method are given in [1][2][3]8]. In this paper we present MTAS results on measured 142 Cs and 142 Ba activities compared to GEANT4 simulations using currently available ENSDF entries [12].…”

Section: Mtas Measurement and Ensdf Database Comparisonmentioning

confidence: 99%

“…5. The fraction ofv with energy above 5 MeV changes from 20% to 14(1)% the totalv flux from 142 Cs decay, while the fraction of 142 Csv with energy below 1.8 MeV increases from 11% to 23(3)% 142 Cs MTAS data (black) compared to the simulated MTAS response to 142 Cs decay events based on the ENSDF data (cyan), see [8]. 142 Csv energy spectrum derived from MTAS data (black) compared to thev energies obtained from the latest ENSDF entry (cyan).…”

Section: High Energy Part Of Reactor Anti-neutrino Spectrum For 142 Csmentioning

confidence: 99%

“…These measurements include the 142 Cs activity assessed recently as the third most important contributor to the high energyv spectra in nuclear reactors [5][6][7]. The significant differences between β-feeding values derived from MTAS measurement and Evaluated Nuclear Structure Data Files (ENSDF) database are substantially impacting the reference reactor antineutrino flux and its spectral properties, see, e.g., [8].…”

Section: Introductionmentioning

confidence: 99%

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Beta-strength and anti-neutrino spectra from total absorption spectroscopy of a decay chain ¹⁴²Cs→¹⁴²Ba→¹⁴²La

et al. 2017

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Abstract. Beta decays of mass A = 142 isobaric chain starting from 142 Cs have been investigated by means of Modular Total Absorption Spectrometer (MTAS) and on-line mass separation at Oak Ridge National Laboratory. The beta strength distribution derived for 142 Cs decay from MTAS spectra is showing significant differences in β-feeding pattern when compared to the values listed at nuclear databases. MTAS results are shifting the associated anti-neutrino energy spectrum towards lower energies. A decay pattern deduced for 142 Ba is similar to earlier reported results.

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Section: Decay Of 142 Csmentioning

confidence: 49%

Section: Mtas Measurement and Ensdf Database Comparisonmentioning

confidence: 99%

Section: Mtas Measurement and Ensdf Database Comparisonmentioning

confidence: 99%

Section: High Energy Part Of Reactor Anti-neutrino Spectrum For 142 Csmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Beta-strength and anti-neutrino spectra from total absorption spectroscopy of a decay chain ¹⁴²Cs→¹⁴²Ba→¹⁴²La

et al. 2017

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ENDF/B-VIII.0: The 8 th Major Release of the Nuclear Reaction Data Library with CIELO-project Cross Sections, New Standards and Thermal Scattering Data

Brown

Chadwick

Capote

et al. 2018

Nuclear Data Sheets

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Development of a Reference Database for Beta-Delayed Neutron Emission

Dimitriou

Dillmann

Singh

et al. 2021

Nuclear Data Sheets

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Neutron counting per fission ("fiss,n") 5. Neutron and γ counting ("n,γ") 6. Double γ counting ("γ,γ") 7. Ion and neutron counting ("ion,n") 8. Double ion counting ("ion,ion") B. Delayed neutron spectra 1. 3 He spectrometers 2. Gaseous proton recoil spectrometers 3. Neutron energy spectroscopy with time-of-flight spectrometers C. New methods (for P n values and energy spectra) 1. Total absorption γ-ray spectroscopy

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Decays of the Three Top Contributors to the Reactorν¯eHigh-Energy Spectrum,Rb92

Cited by 58 publications

References 34 publications

Beta-strength and anti-neutrino spectra from total absorption spectroscopy of a decay chain ¹⁴²Cs→¹⁴²Ba→¹⁴²La

Beta-strength and anti-neutrino spectra from total absorption spectroscopy of a decay chain ¹⁴²Cs→¹⁴²Ba→¹⁴²La

ENDF/B-VIII.0: The 8 th Major Release of the Nuclear Reaction Data Library with CIELO-project Cross Sections, New Standards and Thermal Scattering Data

Development of a Reference Database for Beta-Delayed Neutron Emission

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Decays of the Three Top Contributors to the Reactorν¯eHigh-Energy Spectrum,Rb92

Cited by 58 publications

References 34 publications

Beta-strength and anti-neutrino spectra from total absorption spectroscopy of a decay chain 142Cs→142Ba→142La

Beta-strength and anti-neutrino spectra from total absorption spectroscopy of a decay chain 142Cs→142Ba→142La

ENDF/B-VIII.0: The 8 th Major Release of the Nuclear Reaction Data Library with CIELO-project Cross Sections, New Standards and Thermal Scattering Data

Development of a Reference Database for Beta-Delayed Neutron Emission

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Product

Resources

About

Beta-strength and anti-neutrino spectra from total absorption spectroscopy of a decay chain ¹⁴²Cs→¹⁴²Ba→¹⁴²La

Beta-strength and anti-neutrino spectra from total absorption spectroscopy of a decay chain ¹⁴²Cs→¹⁴²Ba→¹⁴²La