Search Results - "Mougeot, X."

Towards high-precision calculation of electron capture decays by Mougeot, X.

“…Based on previous study, the calculation of electron capture decays has been improved by considering a more accurate atomic model with precise atomic energies,…”
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Improved calculations of electron capture transitions for decay data and radionuclide metrology by Mougeot, X.

“…Electron capture properties are crucial to establish the decay schemes of numerous radionuclides. The present modelling aims at improving the theoretical…”
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Origin of the Reactor Antineutrino Anomalies in Light of a New Summation Model with Parametrized β^{-} Transitions by Letourneau, A, Savu, V, Lhuillier, D, Lasserre, T, Materna, T, Mention, G, Mougeot, X, Onillon, A, Perisse, L, Vivier, M

“…We investigate the possible origins of the reactor antineutrino anomalies in norm and shape within the framework of a summation model where β^{-} transitions…”
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Systematic comparison of beta spectra calculations using improved analytical screening correction with experimental shape factors by Mougeot, X.

“…From a review of the available literature, a database of experimental shape factors from measured beta spectra was created in previous work. Classical…”
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Activity standardization of 60Co and 106Ru/106Rh by means of the TDCR method and the importance of the beta spectrum by Bobin, C., Thiam, C., M'Hayham, M.-D., Mougeot, X.

“…Atomic and nuclear data represent an important input for the accuracy of primary activity measurements based on liquid scintillation. In particular, the…”
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Beta spectrum measurements using a quasi-4π detection system based on Si detectors by Singh, A., Mougeot, X., Sabot, B., Lacour, D., Nourreddine, A.

“…The accurate measurement of beta spectra is highly important in numerous fields such as nuclear energy, nuclear medicine, ionizing radiation metrology and…”
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Direct Measurement of the 7 Be L / K Capture Ratio in Ta-Based Superconducting Tunnel Junctions by Fretwell, S, Leach, K G, Bray, C, Kim, G B, Dilling, J, Lennarz, A, Mougeot, X, Ponce, F, Ruiz, C, Stackhouse, J, Friedrich, S

“…We report a high-statistics measurement of the L / K orbital electron capture ratio in 7 Be embedded in cryogenic Ta. The thin Ta film formed part of a…”
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Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of 7Be in Superconducting Quantum Sensors by Friedrich, S, Kim, G B, Bray, C, Cantor, R, Dilling, J, Fretwell, S, Hall, J A, Lennarz, A, Lordi, V, Machule, P, McKeen, D, Mougeot, X, Ponce, F, Ruiz, C, Samanta, A, Warburton, W K, Leach, K G

“…Sterile neutrinos are natural extensions to the standard model of particle physics and provide a possible portal to the dark sector. We report a new search for…”
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Nuclide++: A C++ module to include DDEP recommended radioactive decay Data in Geant4 by Thiam, C., Dulieu, C., Mougeot, X., Nair, A., Bobin, C., Kellett, M.A.

“…This article describes the Nuclide++ module developed at LNE-LNHB to simulate the decay schemes related to single or multiple radionuclides, by randomly…”
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Reprint of experiments and theory of (138)La radioactive decay by Quarati, F G A, Dorenbos, P, Mougeot, X

“…We measured with unprecedented accuracy key features of the (138)La radioactive decays as β particle energy distribution from 0.5keV to the end-point and…”
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Beta spectrometry with metallic magnetic calorimeters by Loidl, M., Rodrigues, M., Le-Bret, C., Mougeot, X.

“…Metallic magnetic calorimeters are a specific type of cryogenic detectors that have been shown to enable precise measurement of the shape of low energy beta…”
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Experiments and theory of 138La radioactive decay by Quarati, F.G.A., Dorenbos, P., Mougeot, X.

“…We measured with unprecedented accuracy key features of the 138La radioactive decays as β particle energy distribution from 0.5keV to the end-point and ratios…”
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New excited states in the halo nucleus 6He by Mougeot, X., Lapoux, V., Mittig, W., Alamanos, N., Auger, F., Avez, B., Beaumel, D., Blumenfeld, Y., Dayras, R., Drouart, A., Force, C., Gaudefroy, L., Gillibert, A., Guillot, J., Iwasaki, H., Al Kalanee, T., Keeley, N., Nalpas, L., Pollacco, E.C., Roger, T., Roussel-Chomaz, P., Suzuki, D., Kemper, K.W., Mertzimekis, T.J., Pakou, A., Rusek, K., Scarpaci, J.-A., Simenel, C., Strojek, I., Wolski, R.

“…The low-lying spectroscopy of 6He was investigated via the 2-neutron transfer reaction p (He 8 , t) with the 8He beam delivered by the SPIRAL facility at 15.4…”
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Evidence for the Exchange Effect Down to Very Low Energy in the Beta Decays of \(63}\) Ni and \(241}\) Pu by Loidl, M, Le-Bret, C, Rodrigues, M, Mougeot, X

“…Metallic magnetic calorimeters have been used for several years for the determination of the shapes of beta spectra. Experimental spectra of the beta decays of…”
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Reliability of usual assumptions in the calculation of β and ν spectra by Mougeot, X.

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Investigation of the response variability of ionization chambers for the standard transfer of SIR-Spheres by Thiam, C., Bobin, C., Lourenço, V., Chisté, V., Amiot, M.-N., Mougeot, X., Lacour, D., Rigoulay, F., Ferreux, L.

“…The present paper addresses the calibration of well-type ionization chambers (ICs) used at LNE-LNHB as standard transfer instruments to calibrate hospitals in…”
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Standardization of xenon-127 and measurement of photon emission intensities by Rodrigues, M., Lépy, M.-C., Cassette, P., Mougeot, X., Bé, M.M.

“…Xenon-127 was standardized by internal gas counting using three proportional counters in a differential arrangement to eliminate edge effects. The detection…”
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Lessons Learned From Nuclear Decay Data Measurements in the European Metrology Research Programme 'Metro Fission' by Pommé, S., Loidl, M., García-Toraño, E., Marouli, M., Le-Bret, C., Crespo, M. T., Paepen, J., Mougeot, X., Jobbágy, V., Rodrigues, M., Van Ammel, R., Stroh, H., Luca, A.

“…Nuclear decay data measurements were performed in the frame of a EURAMET project. Two specific goals were addressed: (1) High-precision measurements of 238 U…”
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Shell gap reduction in neutron-rich N=17 nuclei by Obertelli, A., Gillibert, A., Alamanos, N., Alvarez, M., Auger, F., Dayras, R., Drouart, A., de France, G., Jurado, B., Keeley, N., Lapoux, V., Mittig, W., Mougeot, X., Nalpas, L., Pakou, A., Patronis, N., Pollacco, E.C., Rejmund, F., Rejmund, M., Roussel-Chomaz, P., Savajols, H., Skaza, F., Theisen, Ch

“…The spectroscopy of 27Ne has been investigated through the one-neutron transfer reaction 26Ne(d,p)27Ne in inverse kinematics at 9.7 MeV/nucleon. The results…”
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First measurement of the beta spectrum of 241Pu with a cryogenic detector by Loidl, M., Rodrigues, M., Censier, B., Kowalski, S., Mougeot, X., Cassette, P., Branger, T., Lacour, D.

“…The LNE-LNHB is developing metallic magnetic calorimeters, a specific type of cryogenic detectors, for beta spectrometry. The aim is the determination of the…”
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