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2. The open LPC Paul trap for precision measurements in beta decay

Author

Delahaye, P., Ban, G., Benali, M., Durand, D., Fabian, X., Fléchard, X., Herbane, M., Liénard, E., Mauger, F., Méry, A., Merrer, Y., Naviliat-Cuncic, O., Quéméner, G., Retailleau, B. M., Rodriguez, D., Thomas, J. C., and Ujic, P.

Subjects
Physics - Instrumentation and Detectors, Physics - Atomic Physics
Abstract

The LPCTrap experiment uses an open Paul trap which was built to enable precision measurements in the beta decay of radioactive ions. The initial goal was the precise measurement of the beta-neutrino angular correlation coefficient in the decay of 6He. Its geometry results from a careful optimization of the harmonic potential created by cylindrical electrodes. It supersedes previously considered geometries that presented a smaller detection solid angle to the beta particle and the recoiling ion. We describe here the methods which were used for the potential optimization, and we present the measured performances in terms of trapping time, cloud size and temperature, and space charge related limits. The properties of the ion cloud at equilibrium are well reproduced by a simple numerical simulation using hard sphere collisions, which additionally gives insights on the trapping loss mechanism. The interpretation for the observed trapping liftetimes is further corroborated by a model recently developed for ion clouds in Paul traps. The open trap shall serve other projects. It is currently used for commissioning purpose in the TRAPSENSOR experiment and is also considered in tests of the Standard Model involving the beta decay of polarized $^{23}$Mg and $^{39}$Ca ion in the frame of the MORA experiment. The latter tests require in-trap polarization of the ions and further optimization of the trapping and detection setup. Based on the results of the simulations and of their interpretations given by the model, different improvements of the trapping setup are discussed., Comment: 19 pages, 16 figures

Published
2018
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3. Electron shakeoff following the \b{eta}+ decay of 19Ne+ and 35Ar+ trapped ions

Author

Fabian, X., Fléchard, X., Pons, B., Liénard, E., Ban, G., Breitenfeldt, M., Couratin, C., Delahaye, P., Durand, D., Finlay, P., Guillon, B., Lemière, Y., Mauger, F., Méry, A., Naviliat-Cuncic, O., Porobic, T., Quéméner, G., Severijns, N., and Thomas, J. -C.

Subjects
Nuclear Experiment
Abstract

The electron shakeoff of 19F and 35Cl atoms resulting from the \b{eta}+ decay of 19Ne+ and 35Ar+ ions has been investigated using a Paul trap coupled to a time of flight recoil-ion spectrometer. The charge-state distributions of the recoiling daughter nuclei were compared to theoretical calculations based on the sudden approximation and accounting for subsequent Auger processes. The excellent agreement obtained for 35Cl is not reproduced in 19F. The shortcoming is attributed to the inaccuracy of the independent particle model employed to calculate the primary shakeoff probabilities in systems with rather low atomic numbers. This calls for more elaborate calculations, including explicitly the electron-electron correlations., Comment: published in Phys. Rev. A (2018)

Published
2018
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5. Precision measurements with LPCTrap at GANIL

Author

Lienard, E., Ban, G., Couratin, C., Delahaye, P., Durand, D., Fabian, X., Fabre, B., Flechard, X., Finlay, P., Mauger, F., Mery, A., Naviliat-Cuncic, O., Pons, B., Porobic, T., Quemener, G., Severijns, N., Thomas, J. C., and Velten, Ph.

Subjects
Nuclear Experiment
Abstract

The experimental achievements and the results obtained so far with the LPCTrap device installed at GANIL are presented. The apparatus is dedicated to the study of the weak interaction at low energy by means of precise measurements of the BETA-NU angular correlation parameter in nuclear BETA decays. So far, the data collected with three isotopes have enabled to determine, for the first time, the charge state distributions of the recoiling ions, induced by shakeoff process. The analysis is presently refined to deduce the correlation parameters, with the potential of improving both the constraint deduced at low energy on exotic tensor currents (6He1+) and the precision on the V u d element of the quark-mixing matrix (35Ar1+ and 19Ne1+) deduced from the mirror transitions dataset., Comment: 6th International Conference on Trapped Charged Particles and Fundamental Physics (TCP 2014), Takamatsu, Japan, December 2014, to be published in Hyperfine Interactions

Published
2015
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6. Electron shakeoff following the ?+ decay of trapped 35Ar+ ions

Author

Couratin, C., Fabian, X., Fabre, B., Pons, B., Fléchard, X., Liénard, E., Ban, G., Breitenfeldt, M., Delahaye, P., Durand, D., Méry, A., Naviliat-Cuncic, O., Porobic, T., Quéméner, G., Rodriguez, D., Severijns, N., Thomas, J. C., and Van Gorp, S.

Subjects
Nuclear Experiment, Physics - Atomic Physics
Abstract

The electron shakeoff of $^{35}$Cl atoms resulting from the $\beta$$^+$ decay of $^{35}$Ar$^+$ ions has been investigated using a Paul trap coupled to a recoil-ion spectrometer. The charge-state distribution of the recoiling daughter nuclei is compared to theoretical calculations accounting for shakeoff and Auger processes. The calculations are in excellent agreement with the experimental results and enable to identify the ionization reaction routes leading to the formation of all charge states., Comment: Physical Review A In press (2013)

Published
2013
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8. Precision measurements with LPCTrap at GANIL

Author

Liénard, E., Ban, G., Couratin, C., Delahaye, P., Durand, D., Fabian, X., Fabre, B., Fléchard, X., Finlay, P., Mauger, F., Méry, A., Naviliat-Cuncic, O., Pons, B., Porobic, T., Quéméner, G., Severijns, N., Severijns, J. C., Velten, Ph., Wada, Michiharu, editor, Schury, Peter, editor, and Ichikawa, Yuichi, editor

Published
2017
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10. Space-charge effects in Penning ion traps

Author

Porobić, T., Beck, M., Breitenfeldt, M., Couratin, C., Finlay, P., Knecht, A., Fabian, X., Friedag, P., Fléchard, X., Liénard, E., Ban, G., Zákoucký, D., Soti, G., Van Gorp, S., Weinheimer, Ch., Wursten, E., and Severijns, N.

Published
2015
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13. Determination of 227Ac in water by alpha spectrometry after purification with titanium phosphate and DGA resin.

Author

Guérin, N., Fabian, X., Leppinen, J., and Gagné, A.

Subjects
*TITANIUM, *SPECTROMETRY, *WATER sampling, *DETECTION limit, *WATER use
Abstract

A new routine method to measure 227Ac in water samples was developed. Actinium-227 was separated from potential radioactive and matrix interferences using a DGA resin (Eichrom) at optimal extraction and elution conditions (2 M and 15.7 M HNO3, respectively). This was possible because Ac was pre-concentrated and separated from Ca using titanium phosphate co-precipitation at pH 3.5. Finally, 227Ac was counted by alpha spectrometry for 48 h after a cerium fluoride micro-precipitation. A minimal detection limit of 0.03 ± 0.01 Bq l−1 was obtained. The method was validated using spiked water samples. [ABSTRACT FROM AUTHOR]

Published
2022
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14. Precision measurements with LPCTrap at GANIL

Author

Liénard, E., primary, Ban, G., additional, Couratin, C., additional, Delahaye, P., additional, Durand, D., additional, Fabian, X., additional, Fabre, B., additional, Fléchard, X., additional, Finlay, P., additional, Mauger, F., additional, Méry, A., additional, Naviliat-Cuncic, O., additional, Pons, B., additional, Porobic, T., additional, Quéméner, G., additional, Severijns, N., additional, Severijns, J. C., additional, and Velten, Ph., additional

Published
2015
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15. Using GPU parallelization to perform realistic simulations of the LPCTrap experiments

Author

Fabian, X., primary, Mauger, F., additional, Quéméner, G., additional, Velten, Ph., additional, Ban, G., additional, Couratin, C., additional, Delahaye, P., additional, Durand, D., additional, Fabre, B., additional, Finlay, P., additional, Fléchard, X., additional, Liénard, E., additional, Méry, A., additional, Naviliat-Cuncic, O., additional, Pons, B., additional, Porobic, T., additional, Severijns, N., additional, and Thomas, J. C., additional

Published
2015
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16. NEDA—NEutron Detector Array

Author

Valiente-Dobón, J. J., Jaworski, G., Goasduff, A., Egea, F. J., Modamio, V., Hüyük, T., Triossi, A., Jastrząb, M., Söderström, P. A., Di Nitto, A., de Angelis, G., de France, G., Erduran, N., Gadea, A., Moszyński, M., Nyberg, J., Palacz, M., Wadsworth, R., Aliaga, R., Aufranc, C., Bézard, M., Baulieu, G., Bissiato, E., Boujrad, A., Burrows, I., Carturan, S., Cocconi, P., Colucci, G., Conventi, D., Cordwell, M., Coudert, S., Deltoro, J. M., Ducroux, L., Dupasquier, T., Ertürk, S., Fabian, X., González, V., Grant, A., Hadyńska-Klęk, K., Illana, A., Jurado-Gomez, M. L., Kogimtzis, M., Lazarus, I., Legeard, L., Ljungvall, J., Pasqualato, G., Pérez-Vidal, R. M., Raggio, A., Ralet, D., Redon, N., Saillant, F., Sayğı, B., Sanchis, E., Scarcioffolo, M., Siciliano, M., Testov, D., Stezowski, O., Tripon, M., Zanon, I., Grand Accélérateur National d'Ions Lourds (GANIL), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Valiente-Dobón, J.J., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Jaworski, G., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Goasduff, A., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy, Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Università di Padova, Padova, Italy -- Egea, F.J., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy, Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Università di Padova, Padova, Italy, Instituto de Física Corpuscular, CSIC-Universidad deValencia, E-46980 Paterna (Valencia), Spain -- Modamio, V., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy, Department of Physics, University of Oslo, Oslo, N-0316, Norway -- Hüyük, T., Instituto de Física Corpuscular, CSIC-Universidad deValencia, E-46980 Paterna (Valencia), Spain -- Triossi, A., Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Università di Padova, Padova, Italy, CERN, Switzerland -- Jastrzab, M., Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Kraków, Poland -- Söderström, P.A., Extreme Light Infrastructureuclear Physics (ELI-NP), 077125 Bucharest-Magurele, Romania -- Di Nitto, A., Helmholtz Institute Mainz and GSI Helmholtzzentrum für Schwerionenforschund, Darmstadt, Germany -- de Angelis, G., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- de France, G., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Erduran, N., Faculty of Engineering and Natural Sciences, Istanbul Sabahattin Zaim University, Istanbul, 34303, Turkey -- Gadea, A., Instituto de Física Corpuscular, CSIC-Universidad deValencia, E-46980 Paterna (Valencia), Spain -- Moszynski, M., National Centre for Nuclear Research, 05-400 Otwock-Swierk, Poland -- Nyberg, J., Department of Physics and Astronomy, Uppsala University, SE-75120 Uppsala, Sweden -- Palacz, M., Heavy Ion Laboratory, University of Warsaw, Warsaw, 02-093, Poland -- Wadsworth, R., Department of Physics, University of York, Heslington, YO10 5DD York, United Kingdom -- Aliaga, R., Instituto de Física Corpuscular, CSIC-Universidad deValencia, E-46980 Paterna (Valencia), Spain -- Aufranc, C., Université Lyon 1, CNRS, IN2P3, IPN Lyon, Villeurbanne, F-69622, France -- Bézard, M., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Baulieu, G., Université Lyon 1, CNRS, IN2P3, IPN Lyon, Villeurbanne, F-69622, France -- Bissiato, E., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Boujrad, A., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Burrows, I., STFC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, United Kingdom -- Carturan, S., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy, Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy -- Cocconi, P., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Colucci, G., Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Università di Padova, Padova, Italy -- Conventi, D., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Cordwell, M., STFC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, United Kingdom -- Coudert, S., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Deltoro, J.M., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Ducroux, L., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Dupasquier, T., Université Lyon 1, CNRS, IN2P3, IPN Lyon, Villeurbanne, F-69622, France -- Ertürk, S., Department of Physics, Nigde Omer Halisdemir University, Nigde, 51240, Turkey -- Fabian, X., Université Lyon 1, CNRS, IN2P3, IPN Lyon, Villeurbanne, F-69622, France -- González, V., Departamento de Ingeniería Electrónica, Universidad de Valencia. Avda. Universidad s/n, Burjassot, 46100, Spain -- Grant, A., STFC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, United Kingdom -- Hadynska-Klek, K., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy, Department of Physics, University of Surrey, Guildford, GU2 7XH, United Kingdom -- Illana, A., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Jurado-Gomez, M.L., Instituto de Física Corpuscular, CSIC-Universidad deValencia, E-46980 Paterna (Valencia), Spain -- Kogimtzis, M., STFC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, United Kingdom -- Lazarus, I., STFC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, United Kingdom -- Legeard, L., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Ljungvall, J., CSNSM, CNRS, IN2P3, Université Paris-Sud, Orsay, F-91405, France -- Pasqualato, G., Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Università di Padova, Padova, Italy -- Pérez-Vidal, R.M., Instituto de Física Corpuscular, CSIC-Universidad deValencia, E-46980 Paterna (Valencia), Spain -- Raggio, A., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Ralet, D., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Redon, N., Université Lyon 1, CNRS, IN2P3, IPN Lyon, Villeurbanne, F-69622, France -- Saillant, F., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Sayğı, B., Department of Physics, Faculty of Science, University of Ege, Izmir, 35100, Turkey -- Sanchis, E., Departamento de Ingeniería Electrónica, Universidad de Valencia. Avda. Universidad s/n, Burjassot, 46100, Spain -- Scarcioffolo, M., Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Università di Padova, Padova, Italy -- Siciliano, M., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy -- Testov, D., Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Università di Padova, Padova, Italy -- Stezowski, O., Université Lyon 1, CNRS, IN2P3, IPN Lyon, Villeurbanne, F-69622, France -- Tripon, M., GANIL, CEA/DRF-CNRS/IN2P3, Bvd. Henri Becquerel, Caen, 14076, France -- Zanon, I., Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy, Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), 0-Belirlenecek, Ege Üniversitesi, Valiente-Dobón, J. J., Jaworski, G., Goasduff, A., Egea, F. J., Modamio, V., Hüyük, T., Triossi, A., Jastrząb, M., Söderström, P. A., Di Nitto, A., de Angelis, G., de France, G., Erduran, N., Gadea, A., Moszyński, M., Nyberg, J., Palacz, M., Wadsworth, R., Aliaga, R., Aufranc, C., Bézard, M., Baulieu, G., Bissiato, E., Boujrad, A., Burrows, I., Carturan, S., Cocconi, P., Colucci, G., Conventi, D., Cordwell, M., Coudert, S., Deltoro, J. M., Ducroux, L., Dupasquier, T., Ertürk, S., Fabian, X., González, V., Grant, A., Hadyńska-Klęk, K., Illana, A., Jurado-Gomez, M. L., Kogimtzis, M., Lazarus, I., Legeard, L., Ljungvall, J., Pasqualato, G., Pérez-Vidal, R. M., Raggio, A., Ralet, D., Redon, N., Saillant, F., Sayğı, B., Sanchis, E., Scarcioffolo, M., Siciliano, M., Testov, D., Stezowski, O., Tripon, M., and Zanon, I.

Subjects
Nuclear and High Energy Physics, Neutron-gamma discrimination, Liquid scintillator, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Neutron detector, Digital electronic, NEDA, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 16. Peace & justice, Digital electronics, 01 natural sciences, 0103 physical sciences, Nuclear structure, Gamma-ray spectroscopy, 010306 general physics, Nuclear Experiment, Instrumentation, Nuclear and High Energy Physic
Abstract

Millan, Vicente Gonzalez/0000-0001-6014-2586; Huyuk, Tayfun/0000-0003-0597-9767; GOASDUFF, Alain/0000-0003-3453-3297; carturan, sara maria/0000-0002-6702-2867; Sison, Andres Illana/0000-0003-0274-3388; SAYGI, BAHADIR/0000-0001-5406-506X; Jaworski, Grzegorz/0000-0003-2241-0329; Aliaga, Ramon J./0000-0002-2513-7711; Vidal, Rosa Maria Perez/0000-0002-4075-4152; Di Nitto, Antonio/0000-0002-9319-366X; Lazarus, Ian/0000-0003-1235-4984; Hadynska Klek, Katarzyna/0000-0003-1244-9561; Sanchis Peris, Enrique/0000-0002-9689-9131; Moszynski, Marek/0000-0002-1267-2838; Soderstrom, Par-Anders/0000-0002-9504-2814, WOS: 000462142700010, The NEutron Detector Array, NEDA, will form the next generation neutron detection system that has been designed to be operated in conjunction with gamma-ray arrays, such as the tracking-array AGATA, to aid nuclear spectroscopy studies. NEDA has been designed to be a versatile device, with high-detection efficiency, excellent neutron-gamma discrimination, and high rate capabilities. It will be employed in physics campaigns in order to maximise the scientific output, making use of the different stable and radioactive ion beams available in Europe. the first implementation of the neutron detector array NEDA with AGATA 1 pi was realised at GANIL. This manuscript reviews the various aspects of NEDA., Swedish Research Council, SwedenSwedish Research Council [VR 2014-6644]; Scientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [117F114, 114F473]; Polish National Science Centre, Poland [2017/25/B/ST2/01569, 2016/22/M/ST2/00269 COPIN-IN2P3]; COPIGAL projects, Poland; UK STFCScience & Technology Facilities Council (STFC) [ST/J000124/1, ST/L005727/1, STL005735/1, ST/P003885/1]; Generalitat ValencianaGeneralitat Valenciana [PROMETEO II/2014/019, FPA2017-84756-C4]; MICIU, Spain [PROMETEO II/2014/019, FPA2017-84756-C4]; Severo Ochoa, Spain [SEV-2014-0398]; E.C. FEDER, Spain funds, This study is supported by the Swedish Research Council, Sweden (contract number VR 2014-6644), the Scientific and Technological Research Council of Turkey (TUBITAK Project No: 117F114 and 114F473), the Polish National Science Centre, Poland, grants nos. 2017/25/B/ST2/01569 and 2016/22/M/ST2/00269 COPIN-IN2P3 and COPIGAL projects, Poland, the UK STFC under grant nos. (ST/J000124/1, ST/L005727/1, STL005735/1, ST/P003885/1), the Generalitat Valenciana and MICIU, Spain, grants PROMETEO II/2014/019, FPA2017-84756-C4, Severo Ochoa, Spain SEV-2014-0398 and by the E.C. FEDER, Spain funds.

Published
2019

17. Artificial neural networks for neutron/γ discrimination in the neutron detectors of NEDA

Author

Fabian, X., primary, Baulieu, G., additional, Ducroux, L., additional, Stézowski, O., additional, Boujrad, A., additional, Clément, E., additional, Coudert, S., additional, de France, G., additional, Erduran, N., additional, Ertürk, S., additional, González, V., additional, Jaworski, G., additional, Nyberg, J., additional, Ralet, D., additional, Sanchis, E., additional, and Wadsworth, R., additional

Published
2021
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18. Waveform Processing using Artificial Neural Networks Related Collaborations

Author

Baulieu, G., Ducroux, L., Dudouet, J., Fabian, X., Stézowski, O., Zougagh, K, Stezowski, Olivier, Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2020

19. Precise measurement of the angular correlation parameter aβν in the β decay of 35Ar with LPCTrap

Author

Fabian X., Ban G., Boussaïd R., Breitenfeldt M., Couratin C., Delahaye P., Durand D., Finlay P., Fléchard X., Guillon B., Lemière Y., Leredde A., Liénard E., Méry A., Naviliat-Cuncic O., Pierre E., Porobic T., Quéméner G., Rodríguez D., Severijns N., Thomas J.C., and Van Gorp S.

Subjects
Physics, QC1-999
Abstract

Precise measurements in the β decay of the 35Ar nucleus enable to search for deviations from the Standard Model (SM) in the weak sector. These measurements enable either to check the CKM matrix unitarity or to constrain the existence of exotic currents rejected in the V-A theory of the SM. For this purpose, the β-ν angular correlation parameter, aβν, is inferred from a comparison between experimental and simulated recoil ion time-of-flight distributions following the quasi-pure Fermi transition of 35Ar1+ ions confined in the transparent Paul trap of the LPCTrap device at GANIL. During the last experiment, 1.5×106 good events have been collected, which corresponds to an expected precision of less than 0.5% on the aβν value. The required simulation is divided between the use of massive GPU parallelization and the GEANT4 toolkit for the source-cloud kinematics and the tracking of the decay products.

Published
2014
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20. Electron shakeoff following the ${\beta}^{+}$ decay of $^{19}\mathrm{Ne}^{+}$ and $^{35}\mathrm{Ar}^{+}$ trapped ions

Author

Fabian, X., Fléchard, X., Pons, B., Liénard, E., Ban, G., Breitenfeldt, M., Couratin, C., Delahaye, P., Durand, D., Finlay, P., Guillon, B., Lemière, Y., Mauger, F., Méry, A., Naviliat-Cuncic, O., Porobic, T., Quéméner, G., Severijns, N., Thomas, J.C., Laboratoire de physique corpusculaire de Caen (LPCC), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Lasers Intenses et Applications (CELIA), Université de Bordeaux (UB)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS), Grand Accélérateur National d'Ions Lourds (GANIL), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de recherche sur les Ions, les MAtériaux et la Photonique (CIMAP - UMR 6252), Normandie Université (NU)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche sur les Matériaux Avancés (IRMA), Normandie Université (NU)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Institut national des sciences appliquées Rouen Normandie (INSA Rouen Normandie), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Rouen Normandie (UNIROUEN), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Bordeaux (UB), Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Normandie Université (NU)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de physique corpusculaire de Caen ( LPCC ), Université de Caen Normandie ( UNICAEN ), Normandie Université ( NU ) -Normandie Université ( NU ) -Ecole Nationale Supérieure d'Ingénieurs de Caen ( ENSICAEN ), Normandie Université ( NU ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Centre d'Etudes Lasers Intenses et Applications ( CELIA ), Université de Bordeaux ( UB ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Centre National de la Recherche Scientifique ( CNRS ), Grand Accélérateur National d'Ions Lourds ( GANIL ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Centre de recherche sur les Ions, les MAtériaux et la Photonique ( CIMAP - UMR 6252 ), Normandie Université ( NU ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Centre National de la Recherche Scientifique ( CNRS ), Centre National de la Recherche Scientifique (CNRS)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Normandie Université (NU)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Caen Normandie (UNICAEN), and Normandie Université (NU)

Subjects
[ PHYS.PHYS.PHYS-GEN-PH ] Physics [physics]/Physics [physics]/General Physics [physics.gen-ph], 37.10.Ty, Physics::Atomic Physics, 34.50.Fa, [PHYS.PHYS.PHYS-GEN-PH]Physics [physics]/Physics [physics]/General Physics [physics.gen-ph], 23.40.-s, 32.80.Aa
Abstract

International audience; The electron shakeoff of F19 and Cl35 atoms resulting from the β+ decay of Ne+19 and Ar+35 ions has been investigated using a Paul trap coupled to a time of flight recoil-ion spectrometer. The charge-state distributions of the recoiling daughter nuclei were compared to theoretical calculations based on the sudden approximation and accounting for subsequent Auger processes. The excellent agreement obtained for Cl35 is not reproduced in F19. The shortcoming is attributed to the inaccuracy of the independent particle model employed to calculate the primary shakeoff probabilities in systems with rather low atomic numbers. This calls for more elaborate calculations, including explicitly the electron-electron correlations.

Published
2018

21. The New Neutron Multiplicity Filter NEDA and Its First Physics Campaign with AGATA

Author

Jaworski, G., primary, Goasduff, A., additional, Egea Canet, F.J., additional, Modamio, V., additional, Hüyük, T., additional, Triossi, A., additional, Jastrząb, M., additional, Söderström, P.-A., additional, Carturan, S.M., additional, Di Nitto, A., additional, de Angelis, G., additional, De France, G., additional, Erduran, N., additional, Gadea, A., additional, Moszyński, M., additional, Nyberg, J., additional, Palacz, M., additional, Valiente, J., additional, Wadsworth, R., additional, Aliaga, R., additional, Aufranc, C., additional, Bézard, M., additional, Beaulieu, G., additional, Bednarczyk, P., additional, Bisiato, E., additional, Boujrad, A., additional, Burrows, I., additional, Clément, E., additional, Cocconi, P., additional, Colucci, G., additional, Conventi, D., additional, Cordwell, M., additional, Coudert, S., additional, Deltoro, J.M., additional, Ducroux, L., additional, Dupasquier, T., additional, Ertürk, S., additional, Fabian, X., additional, González, V., additional, Gottardo, A., additional, Grant, A., additional, Hadyńska-Klęk, K., additional, Illana, A., additional, Jurado-Gomez, M.L., additional, Kogimtzis, M., additional, Lazarus, I., additional, Legeard, L., additional, Ljungvall, J., additional, Maj, A., additional, Pasqualato, G., additional, Pérez-Vidal, R.M., additional, Raggio, A., additional, Ralet, D., additional, Redon, N., additional, Saillant, F., additional, Sanchis, E., additional, Sayğı, B., additional, Scarcioffolo, M., additional, Siciliano, M., additional, Stezowski, O., additional, Testov, D., additional, Tripon, M., additional, and Zanon, I., additional

Published
2019
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22. Electron shakeoff following the β+ decay of Ne+19 and Ar+35 trapped ions

Author

Fabian, X., primary, Fléchard, X., additional, Pons, B., additional, Liénard, E., additional, Ban, G., additional, Breitenfeldt, M., additional, Couratin, C., additional, Delahaye, P., additional, Durand, D., additional, Finlay, P., additional, Guillon, B., additional, Lemière, Y., additional, Mauger, F., additional, Méry, A., additional, Naviliat-Cuncic, O., additional, Porobic, T., additional, Quéméner, G., additional, Severijns, N., additional, and Thomas, J.-C., additional

Published
2018
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27. Mesures de précisions dans le contexte de l'interaction faible: développement de simulations réalistes pour le dispositif LPCTrap installé au GANIL

Author

Fabian, X., Laboratoire de physique corpusculaire de Caen (LPCC), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Université de Caen Normandie, and E. Liénard

Subjects
Weak interactions (Nuclear physics), Harmonic synthesis, Charge d’espace, Ion-atom collisions, Corrélations angulaires, Synthèse harmonique, Beta decay, CUDA, Computer simulation, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Space charge, Interactions faibles, Angular correlations (Nuclear physics), désintégration bêta, Simulations par ordinateur, Interactions ion-atome
Abstract

This work belongs to the effort presently deployed to measure the angular correlation parameter aβν in threenuclear beta decays (6He+,35Ar+et 19Ne+). The V-A structure of the weak interaction implies that aβν = +1for a pure Fermi transition and aβν = -1/3 for a pure Gamow-Teller transition. A thorough measurement ofthis parameter to check any deviation from these values may lead to the discovery of possible exotic currents.Furthermore, the measurement of aβν in mirror transitions allows the extraction of Vud, the first element of theCabibbo-Kobayashi-Maskawa (CKM) matrix. The LPCTrap apparatus, installed at GANIL, is designed to readya continuous ion beam for injection in a dedicated Paul trap. This latter device allows to have a quasi-ponctualsource from which the decay products are detected in coincidence. It is from the study of the recoil ion time-of-flight (TOF) distribution that aβν is withdrawn and, since 2010, the associated Shake-Off (SO) probabilities. Thisstudy requires the complete simulation of the LPCTrap experiments. The major part of this work is dedicatedto such simulations, especially to the modeling of the trapped ion cloud dynamic. The Clouda program, whichtakes advantage of graphics processing unit (GPU), was developed in this context and its full characterization ispresented here. Three important aspects are addressed: the electromagnetic trapping field, the realistic collisionsbetween the ions and the buffer gas atoms and the space charge effect. The present work shows the importanceof these simulations to increase the control of the systematic errors on aβν.; Cette thèse s’inscrit dans l’effort déployé pour mesurer le paramètre de corrélation angulaire bêta-neutrino aβν dans trois décroissances bêta nucléaires (6He+,35Ar+et 19Ne+). La structure V-A de l’interaction faible prévoit que aβν = +1 pour les transitions de Fermi pures et aβν = -1/3 pour les transitions de Gamow-Teller pure. Une mesure fine de ce paramètre pour tester un écart à ces valeurs peut révéler l’existence de courants exotiques. Par ailleurs, la mesure de ce paramètre dans le cas de transitions mirroirs permet d’extraire le premier élément de la matrice de Cabibbo-Kobayashi-Maskawa (CKM), Vud. Le dispositif LPCTrap, installé au GANIL, est conçu pour préparer un faisceau continu d’ions à l’injection dans un piège de Paul dédié. Ce dernier permet de disposer d’une source quasi-ponctuelle à partir de laquelle les produits de désintégrations sont détectés en coïncidences. C’est par l’étude de la distribution du temps de vol des ions de recul que sont extraits la valeur deaβν et, depuis 2010, les probabilités de Shake-Off (SO) associées. Cette étude nécessite la simulation complète des expériences LPCTrap. La majeure partie du présent travail est dédiée à de telles simulations, en particulier à la modélisation de la dynamique du nuage d’ions piégés. Le programme Clouda, qui profite des unités de calcul graphique (GPU), a été développé dans cette optique et sa caractérisation complète est présentée ici. Trois aspects importants sont abordés: le champ de piégeage électro-magnétique, les collisions réalistes entre les ions et les atomes de gaz tampon et l’effet de la charge d’espace. La présente étude démontre l’importance de ces simulations pour accroître le contrôle des erreurs systématiques sur aβν.

Published
2015

28. Precision measurements in the weak interaction framework: development of realistic simulations for the LPCTrap device installed at GANIL

Author

Fabian, X. and Guesnon, Sandrine

Subjects
Weak interactions (Nuclear physics), Harmonic synthesis, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Charge d’espace, Ion-atom collisions, Corrélations angulaires, Synthèse harmonique, Beta decay, CUDA, Computer simulation, Space charge, Interactions faibles, Angular correlations (Nuclear physics), désintégration bêta, Simulations par ordinateur, Interactions ion-atome
Abstract

This work belongs to the effort presently deployed to measure the angular correlation parameter aβν in threenuclear beta decays (6He+,35Ar+et 19Ne+). The V-A structure of the weak interaction implies that aβν = +1for a pure Fermi transition and aβν = -1/3 for a pure Gamow-Teller transition. A thorough measurement ofthis parameter to check any deviation from these values may lead to the discovery of possible exotic currents.Furthermore, the measurement of aβν in mirror transitions allows the extraction of Vud, the first element of theCabibbo-Kobayashi-Maskawa (CKM) matrix. The LPCTrap apparatus, installed at GANIL, is designed to readya continuous ion beam for injection in a dedicated Paul trap. This latter device allows to have a quasi-ponctualsource from which the decay products are detected in coincidence. It is from the study of the recoil ion time-of-flight (TOF) distribution that aβν is withdrawn and, since 2010, the associated Shake-Off (SO) probabilities. Thisstudy requires the complete simulation of the LPCTrap experiments. The major part of this work is dedicatedto such simulations, especially to the modeling of the trapped ion cloud dynamic. The Clouda program, whichtakes advantage of graphics processing unit (GPU), was developed in this context and its full characterization ispresented here. Three important aspects are addressed: the electromagnetic trapping field, the realistic collisionsbetween the ions and the buffer gas atoms and the space charge effect. The present work shows the importanceof these simulations to increase the control of the systematic errors on aβν., Cette thèse s’inscrit dans l’effort déployé pour mesurer le paramètre de corrélation angulaire bêta-neutrino aβν dans trois décroissances bêta nucléaires (6He+,35Ar+et 19Ne+). La structure V-A de l’interaction faible prévoit que aβν = +1 pour les transitions de Fermi pures et aβν = -1/3 pour les transitions de Gamow-Teller pure. Une mesure fine de ce paramètre pour tester un écart à ces valeurs peut révéler l’existence de courants exotiques. Par ailleurs, la mesure de ce paramètre dans le cas de transitions mirroirs permet d’extraire le premier élément de la matrice de Cabibbo-Kobayashi-Maskawa (CKM), Vud. Le dispositif LPCTrap, installé au GANIL, est conçu pour préparer un faisceau continu d’ions à l’injection dans un piège de Paul dédié. Ce dernier permet de disposer d’une source quasi-ponctuelle à partir de laquelle les produits de désintégrations sont détectés en coïncidences. C’est par l’étude de la distribution du temps de vol des ions de recul que sont extraits la valeur deaβν et, depuis 2010, les probabilités de Shake-Off (SO) associées. Cette étude nécessite la simulation complète des expériences LPCTrap. La majeure partie du présent travail est dédiée à de telles simulations, en particulier à la modélisation de la dynamique du nuage d’ions piégés. Le programme Clouda, qui profite des unités de calcul graphique (GPU), a été développé dans cette optique et sa caractérisation complète est présentée ici. Trois aspects importants sont abordés: le champ de piégeage électro-magnétique, les collisions réalistes entre les ions et les atomes de gaz tampon et l’effet de la charge d’espace. La présente étude démontre l’importance de ces simulations pour accroître le contrôle des erreurs systématiques sur aβν.

Published
2015

29. Weak interaction studies with radioactive ions at GANIL

Author

Fabian, X., Laboratoire de physique corpusculaire de Caen (LPCC), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and Guesnon, Sandrine

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2014

30. Precise measurement of the angular correlation parameter a(beta nu) in the beta decay of Ar-35 with LPCTrap

Author

Fabian, X, Ban, G, Boussaid, R, Breitenfeldt, Martin, Couratin, C, Delahaye, P, Durand, D, Finlay, Paul, Flechard, X, Guillon, B, Lemiere, Y, Leredde, A, Lienard, E, Mery, A, Naviliat-Cuncic, O, Pierre, E, Porobic, Tomica, Quemener, G, Rodriguez, D, Severijns, Nathal, Thomas, JC, Van Gorp, S, Lunardi, S, Bizzeti, PG, Kabana, S, Bucci, C, Chiari, M, Dainese, A, DiNezza, P, Menegazzo, R, Nannini, A, Signorini, C, and ValienteDobon, JJ

Subjects
weak interaction, nuclear physics, paul ion trap, beta decay, beta-neutrino correlation
Abstract

Precise measurements in the β decay of the 35Ar nucleus enable to search for deviations from the Standard Model (SM) in the weak sector. These measurements enable either to check the CKM matrix unitarity or to constrain the existence of exotic currents rejected in the V-A theory of the SM. For this purpose, the β-ν angular correlation parameter, a βν, is inferred from a comparison between experimental and simulated recoil ion time-of-flight distributions following the quasi-pure Fermi transition of 35Ar1+ ions confined in the transparent Paul trap of the LPCTrap device at GANIL. During the last experiment, 1.5×106 good events have been collected, which corresponds to an expected precision of less than 0.5% on the aβν value. The required simulation is divided between the use of massive GPU parallelization and the GEANT4 toolkit for the source-cloud kinematics and the tracking of the decay products. © Owned by the authors, published by EDP Sciences, 2014. ispartof: EPJ Web of Conferences vol:66 ispartof: International Nuclear Physics Conference (INPC) location:Firenze: ITALY date:2 Jun - 7 Jun 2013 status: published

Published
2014

31. Measurements of the β-ν angular correlation parameter and shakeoff probabilities in the β decay of 35Ar+ with LPCTrap

Author

Fabian, X., Guesnon, Sandrine, Laboratoire de physique corpusculaire de Caen (LPCC), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), and Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2013

32. Simultaneous measurement of the β-ν correlation coefficient aβν and 'shake-off' probability in the β decay of noble gas 1+ ions

Author

Fabian, X., Guesnon, Sandrine, Laboratoire de physique corpusculaire de Caen (LPCC), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), and Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2013

33. Precise measurement of the angular correlation parameteraβνin theβdecay of35Ar with LPCTrap

Author

Fabian, X., primary, Ban, G., additional, Boussaïd, R., additional, Breitenfeldt, M., additional, Couratin, C., additional, Delahaye, P., additional, Durand, D., additional, Finlay, P., additional, Fléchard, X., additional, Guillon, B., additional, Lemière, Y., additional, Leredde, A., additional, Liénard, E., additional, Méry, A., additional, Naviliat-Cuncic, O., additional, Pierre, E., additional, Porobic, T., additional, Quéméner, G., additional, Rodríguez, D., additional, Severijns, N., additional, Thomas, J.C., additional, and Van Gorp, S., additional

Published
2014
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34. Electron shakeoff following theβ+decay of trapped35Ar+ions

Author

Couratin, C., primary, Fabian, X., additional, Fabre, B., additional, Pons, B., additional, Fléchard, X., additional, Liénard, E., additional, Ban, G., additional, Breitenfeldt, M., additional, Delahaye, P., additional, Durand, D., additional, Méry, A., additional, Naviliat-Cuncic, O., additional, Porobic, T., additional, Quéméner, G., additional, Rodríguez, D., additional, Severijns, N., additional, Thomas, J.-C., additional, and Van Gorp, S., additional

Published
2013
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35. Electron shakeoff following the β+ decay of trapped 35Ar+ ions.

Author

Couratin, C., Fabian, X., Fabre, B., Pons, B., Fléchard, X., Liénard, E., Ban, G., Breitenfeldt, M., Delahaye, P., Durand, D., Méry, A., Naviliat-Cuncic, O., Porobic, T., Quéméner, G., Rodríguez, D., Severijns, N., Thomas, J. -C., and Van Gorp, S.

Subjects
*ION traps, *ARGON, *ATOM trapping, *AUGER effect, *RADIOACTIVE decay, *IONIZATION (Atomic physics), *SPECTROMETERS
Abstract

The electron shakeoff of 35Cl atoms resulting from the ß+ decay of 35Ar+ ions has been investigated using a Paul trap coupled to a recoil-ion spectrometer. The charge-state distribution of the recoiling daughter nuclei is compared to theoretical calculations accounting for shakeoff and Auger processes. The calculations are in excellent agreement with the experimental results and enable one to identify the ionization reaction routes leading to the formation of all charge states. [ABSTRACT FROM AUTHOR]

Published
2013
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38. Origins and Early Formulations of the Oedipus Complex

Author

Fabian X. Schupper and Roy C. Calogeras

Subjects
Literature, business.industry, Writing, Philosophy, 05 social sciences, History, 20th Century, 050108 psychoanalysis, Psychoanalysis, Clinical Psychology, Oedipus complex, Arts and Humanities (miscellaneous), Psychoanalytic Theory, 0501 psychology and cognitive sciences, business, 050104 developmental & child psychology
Published
1972

39. The New Neutron Multiplicity Filter NEDA and Its First Physics Campaign with AGATA

Author

G. Jaworski, A. Goasduff, F.J. Egea Canet, V. Modamio, T. Hüyük, A. Triossi, M. Jastrząb, P.-A. Söderström, S.M. Carturan, A. Di Nitto, G. de Angelis, G. De France, N. Erduran, A. Gadea, M. Moszyński, J. Nyberg, M. Palacz, J. Valiente, R. Wadsworth, R. Aliaga, C. Aufranc, M. Bézard, G. Beaulieu, P. Bednarczyk, E. Bisiato, A. Boujrad, I. Burrows, E. Clément, P. Cocconi, G. Colucci, D. Conventi, M. Cordwell, S. Coudert, J.M. Deltoro, L. Ducroux, T. Dupasquier, S. Ertürk, X. Fabian, V. González, A. Gottardo, A. Grant, K. Hadyńska-Klęk, A. Illana, M.L. Jurado-Gomez, M. Kogimtzis, I. Lazarus, L. Legeard, J. Ljungvall, A. Maj, G. Pasqualato, R.M. Pérez-Vidal, A. Raggio, D. Ralet, N. Redon, F. Saillant, E. Sanchis, B. Sayğı, M. Scarcioffolo, M. Siciliano, O. Stezowski, D. Testov, M. Tripon, I. Zanon, Grand Accélérateur National d'Ions Lourds (GANIL), Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Ege Üniversitesi, Jaworski, G., Goasduff, A., Egea Canet, F. J., Modamio, V., Hüyük, T., Triossi, A., Jastrząb, M., Söderström, P. -A., Carturan, S. M., Di Nitto, A., De Angelis, G., De France, G., Erduran, N., Gadea, A., Moszyński, M., Nyberg, J., Palacz, M., Valiente, J., Wadsworth, R., Aliaga, R., Aufranc, C., Bézard, M., Beaulieu, G., Bednarczyk, P., Bisiato, E., Boujrad, A., Burrows, I., Clément, E., Cocconi, P., Colucci, G., Conventi, D., Cordwell, M., Coudert, S., Deltoro, J. M., Ducroux, L., Dupasquier, T., Ertürk, S., Fabian, X., González, V., Gottardo, A., Grant, A., Hadyńska-Klęk, K., Illana, A., Jurado-Gomez, M. L., Kogimtzis, M., Lazarus, I., Legeard, L., Ljungvall, J., Maj, A., Pasqualato, G., Pérez-Vidal, R. M., Raggio, A., Ralet, D., Redon, N., Saillant, F., Sanchis, E., Sayğı, B., Scarcioffolo, M., Siciliano, M., Stezowski, O., Testov, D., Tripon, M., Zanon, I., Jaworski, G., Legnaro National Laboratories (LNL), INFN, Legnaro, Italy, Heavy Ion Laboratory, University of Warsaw, Warszawa, Poland -- Goasduff, A., Legnaro National Laboratories (LNL), INFN, Legnaro, Italy, Department of Physics and Astronomy, University of Padua, Padua, Italy, INFN, Division of Padua, Padua, Italy -- Egea Canet, F.J., Legnaro National Laboratories (LNL), INFN, Legnaro, Italy, Department of Physics and Astronomy, University of Padua, Padua, Italy, INFN, Division of Padua, Padua, Italy, IFIC, CSIC University of Valencia, Paterna, Spain -- Modamio, V., Legnaro National Laboratories (LNL), INFN, Legnaro, Italy, Department of Physics, University of Oslo, Oslo, Norway -- Hüyük, T., IFIC, CSIC University of Valencia, Paterna, Spain -- Triossi, A., Department of Physics and Astronomy, University of Padua, Padua, Italy, INFN, Division of Padua, Padua, Italy, CERN, Switzerland -- Jastrzab, M., Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland -- Söderström, P.-A., Extreme Light Infrastructure–Nucl. Phys. 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Subjects
Physics, Spectrometer, 010308 nuclear & particles physics, business.industry, Astrophysics::High Energy Astrophysical Phenomena, General Physics and Astronomy, Neutron multiplicity, 01 natural sciences, 7. Clean energy, 0-Belirlenecek, Physics and Astronomy (all), Optics, Filter (video), 0103 physical sciences, AGATA, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, business, Nuclear Experiment
Abstract

Zakopane Conference on Nuclear Physics - Extremes of the Nuclear Landscape -- AUG 26-SEP 02, 2018 -- Zakopane, POLAND, WOS: 000463866500047, A new neutron multiplicity filter NEDA, after a decade of design, R&D and construction, was employed in its first physics campaign with the AGATA spectrometer. Properties and performance of the array are discussed., Swedish Research CouncilSwedish Research Council [VR 2014-6644]; Scientific and Technological Research Council of Turkey (TUBITAK project)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [117F114, 114F473]; National Science Centre, Poland (NCN) [2017/25/B/ST2/01569, 2016/22/M/ST2/00269, 2014/14/M/ST2/00738, 2013/08/M/ST2/00257]; UK STFCScience & Technology Facilities Council (STFC) [ST/J000124/1, ST/L005727/1, STL005735/1, ST/P003885/1]; Generalitat Valenciana, SpainGeneralitat Valenciana; MICIU, Spain [PROM-ETEO II/2014/019, FPA2017-84756-C4, SEV-2014-0398]; E.C. FEDER fundsEuropean Union (EU), This study was supported by the Swedish Research Council (contract number VR 2014-6644), the Scientific and Technological Research Council of Turkey (TUBITAK project Nos. 117F114 and 114F473), the National Science Centre, Poland (NCN) (grants Nos. 2017/25/B/ST2/01569, 2016/22/M/ST2/00269, 2014/14/M/ST2/00738 and 2013/08/M/ST2/00257) the UK STFC under grant Nos. ST/J000124/1, ST/L005727/1, STL005735/1, ST/P003885/1, the Generalitat Valenciana and MICIU, Spain, grants PROM-ETEO II/2014/019, FPA2017-84756-C4, Severo Ochoa SEV-2014-0398 and by the E.C. FEDER funds.1

Published
2018

40. ROUTINE METHOD FOR THE DETERMINATION OF TRACE AMOUNTS OF 226Ra IN URINE BY ALPHA SPECTROMETRY.

Author

Guérin N, McMullin D, Fabian X, Kramer-Tremblay S, Gagné A, and Gale A

Subjects
Humans, Alpha Particles, Radiation Monitoring instrumentation, Radiation Monitoring methods, Radium urine, Water Pollutants, Radioactive urine
Abstract

226Ra is considered one of the most radiotoxic naturally occurring radionuclides. A new routine method was developed to measure traces of 226Ra in urine. Radium was pre-concentrated from a 2 l urine sample using manganese oxide (MnO2) particles. The MnO2 precipitate was dissolved and the organic matter was broken down. Then, potential radiological interferents were removed using DGA and AGMP1 stacked resin columns. A barium sulphate (BaSO4) micro-precipitation was performed before measuring the sample by alpha spectrometry. A good recovery of 60 ± 10% and excellent alpha resolution were obtained. The minimum detectable activity (MDA) was 0.2 ± 0.1 mBql-1. The method was validated using spiked samples and can be completed in 5 hours., (© Her Majesty the Queen in Right of Canada 2019. Reproduced with the permission of the Minister of Natural Resources.)

Published
2019
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