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39 results on '"Chakma, R."'

1. Study of the production and decay properties of neutron-deficient nobelium isotopes

Author

Tezekbayeva, M. S., Yeremin, A. V., Svirikhin, A. I., Lopez-Martens, A., Chelnokov, M. L., Chepigin, V. I., Isaev, A. V., Izosimov, I. N., Karpov, A. V., Kuznetsova, A. A., Malyshev, O. N., Mukhin, R. S., Popeko, A. G., Popov, Yu. A., Rachkov, V. A., Sailaubekov, B. S., Sokol, E. A., Hauschild, K., Jacob, H., Chakma, R., Dorvaux, O., Forge, M., Gall, B., Kessaci, K., Andel, B., Antalic, S., Bronis, A., and Mosat, P.

Subjects
Nuclear Experiment
Abstract

The new neutron-deficient isotope $^{249}$No was synthesized for the first time in the fusion-evaporation reaction $^{204}$Pb($^{48}$Ca,3n)$^{249}$No. After separation, using the kinematic separator SHELS, the new isotope was identified with the GABRIELA detection system through genetic correlations with the known daughter and granddaughter nuclei $^{245}$Fm and $^{241}$Cf. The alpha-decay activity of $^{249}$No has an energy of 9129(22)$~$keV and half-life 38.3(2.8) ms. An upper limit of 0.2\% was measured for the fission branch of $^{249}$No. Based on the present data and recent information on the decay properties of $^{253}$Rf and aided by Geant4 simulations, the ground state of $^{249}$No is assigned the 5/2$^+$[622] neutron configuration and a partial decay scheme from $^{253}$Rf to $^{245}$Fm could be established. The production cross-section was found to be $\sigma$(3n)=0.47(4) nb at a mid-target beam energy of 225.4 MeV, which corresponds to the maximum of the calculated excitation function. Correlations of the $^{249}$No alpha activity with subsequent alpha decays of energy 7728(20) keV and half-life $1.2_{-0.4}^{+1.0}$ min provided a firm measurement of the electron-capture or $\beta^{+}$ branch of $^{245}$Fm to $^{245}$Es. The excitation function for the 1n, 2n and 3n evaporation channels was measured. In the case of the 2n-evaporation channel $^{250}$No, a strong variation of the ground state and isomeric state populations as a function of bombarding energy could be evidenced.

Published
2022
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2. Alpha-decay spectroscopy of $^{257}$Rf

Author

Hauschild, K., Lopez-Martens, A., Chakma, R., Dorvaux, O., Gall, B., Chelnokov, M. L., Chepigin, V. I., Isaev, A. V., Izosimov, I. N., Katrasev, D. E., Kuznetsova, A. A., Malyshev, O. N., Popeko, A. G., Popov, Yu. A., Sokol, E. A., Svirikhin, A. I., Yeremin, A. V., Ackermann, D., Piot, J., Mosat, P., and Andel, B.

Subjects
Nuclear Experiment
Abstract

The decay properties of the ground state and excited states of $^{257}$Rf have been investigated with the detector array GABRIELA at the FLNR, Dubna. The electromagnetic decay of a new excited state in $^{253}$No has been observed. The state lies 750 keV above the ground state and is favourably populated in the alpha decay of the low-lying spin isomer of $^{257}$Rf. It decays to the 9/2$^-$ ground state by an M1 transition and is assigned the 11/2$^-$[725] Nilsson configuration. The presence of this state suggests a possible reinterpretation of the decay of the high-K isomer in $^{253}$No., Comment: 7 pages, 4 figures

Published
2021
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3. New front and back-end electronics for the upgraded GABRIELA detection system

Author

Hauschild, K., Chakma, R., Lopez-Martens, A., Rezynkina, K., Alaphillipe, V., Gibelin, L., Karkour, N., Linget, D., Yeremin, A. V., Popeko, A. G., Malyshev, O. N., Chepigin, V. I., Svirikhin, A. I., Isaev, A. V., Sokol, E. A., Chelnokov, M. L., Popov, Yu. A., Katrasev, D. E., Kuznetsov, A. N., Kuznetsova, A. A., Tezekbayeva, M. S., Dorvaux, O., Gall, B. J. P., Brionnet, P., Kessaci, K., and Mathieu, C.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

The GABRIELA [1] set-up is used at the FLNR to perform detailed nuclear structure studies of transfermium nuclei. Following the modernization of the VASSILISSA separator (SHELS) [2] the GABRIELA detection system has also been upgraded. The characteristics of the upgraded detection system will be presented along with results from some recent electronics tests., Comment: 6 pages, 3 figure, 1 table uncorrected pre-print of EXON 2018 conference proceedings

Published
2019
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4. Study of N=50Z=3282 gap evolution around N=50Z=3282: new structure information for N=50Z=3282Ge

Author

Thisse, D., Lebois, M., Verney, D., Wilson, J. N., Jovančević, N., Rudigier, M., Canavan, R., Etasse, D., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Oryńczak, N., Courtin, S., Cortés, M. L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L., Gjestvang, D., Gottardo, A., Guadilla, V., Gerst, R. -B., Häfner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I., Hommet, J., Ibrahim, F., Iskra, Ł. W., Ivanov, P., Jazrawi, S., Korgul, A., Koseoglou, P., Kröll, T., Kurtukian-Nieto, T., Meur, L. Le, Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa-Silkowska, M., Poklepa, W., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Reygadas-Tello, D., Rezynkina, K., Sánchez-Tembleque, V., Siem, S., Schmitt, C., Söderström, P. -A., Solak, K., Sürder, C., Tocabens, G., Vedia, V., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M., Zeiser, F., and Ziliani, S.

Published
2023
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5. Angular momentum generation in nuclear fission

Author

Wilson, J. N., Thisse, D., Lebois, M., Jovančević, N., Gjestvang, D., Canavan, R., Rudigier, M., Étasse, D., Gerst, R-B., Gaudefroy, L., Adamska, E., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Oryńczak, N., Courtin, S., Cortés, M. L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L., Gottardo, A., Guadilla, V., Häfner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I., Ibrahim, F., Iskra, Ł. W., Ivanov, P., Jazrawi, S., Korgul, A., Koseoglou, P., Kröll, T., Kurtukian-Nieto, T., Le Meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Rezynkina, K., Sánchez-Tembleque, V., Siem, S., Schmitt, C., Söderström, P.-A., Sürder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M., Zeiser, F., and Ziliani, S.

Published
2021
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6. Examination of how properties of a fissioning system impact isomeric yield ratios of the fragments

Author

Gjestvang, D., primary, Wilson, J. N., additional, Al-Adili, A., additional, Siem, S., additional, Gao, Z., additional, Randrup, J., additional, Thisse, D., additional, Lebois, M., additional, Jovančević, N., additional, Canavan, R., additional, Rudigier, M., additional, Étasse, D., additional, Gerst, R.-B., additional, Adamska, E., additional, Adsley, P., additional, Algora, A., additional, Belvedere, C., additional, Benito, J., additional, Benzoni, G., additional, Blazhev, A., additional, Boso, A., additional, Bottoni, S., additional, Bunce, M., additional, Chakma, R., additional, Cieplicka-Oryńczak, N., additional, Courtin, S., additional, Cortés, M. L., additional, Davies, P., additional, Delafosse, C., additional, Fallot, M., additional, Fornal, B., additional, Fraile, L., additional, Gottardo, A., additional, Guadilla, V., additional, Häfner, G., additional, Hauschild, K., additional, Heine, M., additional, Henrich, C., additional, Homm, I., additional, Ibrahim, F., additional, Iskra, Ł. W., additional, Ivanov, P., additional, Jazrawi, S., additional, Korgul, A., additional, Koseoglou, P., additional, Kröll, T., additional, Kurtukian-Nieto, T., additional, Leoni, S., additional, Ljungvall, J., additional, Lopez-Martens, A., additional, Lozeva, R., additional, Matea, I., additional, Miernik, K., additional, Nemer, J., additional, Oberstedt, S., additional, Paulsen, W., additional, Piersa-Siłkowska, M., additional, Popovitch, Y., additional, Porzio, C., additional, Qi, L., additional, Regan, P. H., additional, Rezynkina, K., additional, Sánchez-Tembleque, V., additional, Schmitt, C., additional, Söderström, P.-A., additional, Sürder, C., additional, Tocabens, G., additional, Vedia, V., additional, Verney, D., additional, Warr, N., additional, Wasilewska, B., additional, Wiederhold, J., additional, Yavahchova, M., additional, and Ziliani, S., additional

Published
2023
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7. Alpha-decay spectroscopy of 257Rf

Author

Hauschild, K., Lopez-Martens, A., Chakma, R., Chelnokov, M. L., Chepigin, V. I., Isaev, A. V., Izosimov, I. N., Katrasev, D. E., Kuznetsova, A. A., Malyshev, O. N., Popeko, A. G., Popov, Yu. A., Sokol, E. A., Svirikhin, A. I., Tezekbayeva, M. S., Yeremin, A. V., Asfari, Z., Dorvaux, O., Gall, B. J. P., Kessaci, K., Ackermann, D., Piot, J., Mosat, P., and Andel, B.

Published
2022
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8. Study of $$N=50$$ gap evolution around $$Z=32$$: new structure information for $${}^{82}$$Ge

Author

Thisse, D., primary, Lebois, M., additional, Verney, D., additional, Wilson, J. N., additional, Jovančević, N., additional, Rudigier, M., additional, Canavan, R., additional, Etasse, D., additional, Adsley, P., additional, Algora, A., additional, Babo, M., additional, Belvedere, K., additional, Benito, J., additional, Benzoni, G., additional, Blazhev, A., additional, Boso, A., additional, Bottoni, S., additional, Bunce, M., additional, Chakma, R., additional, Cieplicka-Oryńczak, N., additional, Courtin, S., additional, Cortés, M. L., additional, Davies, P., additional, Delafosse, C., additional, Fallot, M., additional, Fornal, B., additional, Fraile, L., additional, Gjestvang, D., additional, Gottardo, A., additional, Guadilla, V., additional, Gerst, R. -B., additional, Häfner, G., additional, Hauschild, K., additional, Heine, M., additional, Henrich, C., additional, Homm, I., additional, Hommet, J., additional, Ibrahim, F., additional, Iskra, Ł. W., additional, Ivanov, P., additional, Jazrawi, S., additional, Korgul, A., additional, Koseoglou, P., additional, Kröll, T., additional, Kurtukian-Nieto, T., additional, Meur, L. Le, additional, Leoni, S., additional, Ljungvall, J., additional, Lopez-Martens, A., additional, Lozeva, R., additional, Matea, I., additional, Miernik, K., additional, Nemer, J., additional, Oberstedt, S., additional, Paulsen, W., additional, Piersa-Silkowska, M., additional, Poklepa, W., additional, Popovitch, Y., additional, Porzio, C., additional, Qi, L., additional, Ralet, D., additional, Regan, P. H., additional, Reygadas-Tello, D., additional, Rezynkina, K., additional, Sánchez-Tembleque, V., additional, Siem, S., additional, Schmitt, C., additional, Söderström, P. -A., additional, Solak, K., additional, Sürder, C., additional, Tocabens, G., additional, Vedia, V., additional, Warr, N., additional, Wasilewska, B., additional, Wiederhold, J., additional, Yavahchova, M., additional, Zeiser, F., additional, and Ziliani, S., additional

Published
2023
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11. Examination of how properties of a fissioning system impact isomeric yield ratios of the fragments

Author

Gjestvang, D., Wilson, J. N., Al-Adili, Ali, Siem, S., Gao, Zhihao, Randrup, J., Thisse, D., Lebois, M., Jovancevic, N., Canavan, R., Rudigier, M., Etasse, D., Gerst, R. -b., Adamska, E., Adsley, P., Algora, A., Belvedere, C., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Courtin, S., Cortes, M. L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L., Gottardo, A., Guadilla, V., Hafner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I., Ibrahim, F., Iskra, L. W., Ivanov, P., Jazrawi, S., Korgul, A., Koseoglou, P., Kroll, T., Kurtukian-Nieto, T., Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa-Silkowska, M., Popovitch, Y., Porzio, C., Qi, L., Regan, P. H., Rezynkina, K., Sanchez-Tembleque, V., Schmitt, C., Soderstrom, P. -a., Surder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M., Ziliani, S., Gjestvang, D., Wilson, J. N., Al-Adili, Ali, Siem, S., Gao, Zhihao, Randrup, J., Thisse, D., Lebois, M., Jovancevic, N., Canavan, R., Rudigier, M., Etasse, D., Gerst, R. -b., Adamska, E., Adsley, P., Algora, A., Belvedere, C., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Courtin, S., Cortes, M. L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L., Gottardo, A., Guadilla, V., Hafner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I., Ibrahim, F., Iskra, L. W., Ivanov, P., Jazrawi, S., Korgul, A., Koseoglou, P., Kroll, T., Kurtukian-Nieto, T., Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa-Silkowska, M., Popovitch, Y., Porzio, C., Qi, L., Regan, P. H., Rezynkina, K., Sanchez-Tembleque, V., Schmitt, C., Soderstrom, P. -a., Surder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M., and Ziliani, S.

Abstract

The population of isomeric states in the prompt decay of fission fragments-so-called isomeric yield ratios (IYRs)-is known to be sensitive to the angular momentum J that the fragment emerged with, and may therefore contain valuable information on the mechanism behind the fission process. In this work, we investigate how changes in the fissioning system impact the measured IYRs of fission fragments to learn more about what parameters affect angular momentum generation. To enable this, a new technique for measuring IYRs is first demonstrated. It is based on the time of arrival of discrete gamma rays, and has the advantage that it enables the study of the IYR as a function of properties of the partner nucleus. This technique is used to extract the IYR of 134Te, strongly populated in actinide fission, from the three different fissioning systems: 232Th(n, f), 238U(n, f), at two different neutron energies, as well as 252Cf(sf). The impacts of changing the fissioning system, the compound nuclear excitation energy, the minimum J of the binary partner, and the number of neutrons emitted on the IYR of 134Te are determined. The decay code TALYS is used in combination with the fission simulation code FREYA to calculate the primary fragment angular momentum from the IYR. We find that the IYR of 134Te has a slope of 0.004 +/- 0.002 with increase in compound nucleus (CN) mass. When investigating the impact on the IYR of increased CN excitation energy, we find no change with an energy increase similar to the difference between thermal and fast fission. By varying the mass of the partner fragment emerging with 134Te, it is revealed that the IYR of 134Te is independent of the total amount of prompt neutrons emitted from the fragment pair. This indicates that neutrons carry minimal angular momentum away from the fission fragments. Comparisons with the FREYA+TALYS simulations reveal that the average angular momentum in 134Te following 238U(n, f) is 6.0 h over bar . This is not consiste

Published
2023
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12. Investigation of isomeric states in Rf255

Author

Chakma, R., primary, Lopez-Martens, A., additional, Hauschild, K., additional, Yeremin, A. V., additional, Malyshev, O. N., additional, Popeko, A. G., additional, Popov, Yu. A., additional, Svirikhin, A. I., additional, Chepigin, V. I., additional, Sokol, E. A., additional, Isaev, A. V., additional, Kuznetsova, A. A., additional, Chelnokov, M. L., additional, Tezekbayeva, M. S., additional, Izosimov, I. N., additional, Dorvaux, O., additional, Gall, B., additional, and Asfari, Z., additional

Published
2023
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13. Multinucleon Transfer Reactions in the \(^{238}\mathrm {U}+{^{238}}\)U System Studied with the VAMOS\(+\)AGATA\(+\)ID-Fix

Author

Utepov, A., primary, Ackermann, D., additional, Stodel, C., additional, Lemasson, A., additional, Ramos, D., additional, Rejmund, M., additional, Clement, E., additional, Jacquot, B., additional, Piot, J., additional, Ducret, J.E., additional, Caceres, L., additional, Savajols, H., additional, Chakma, R., additional, Heinz, S., additional, Kindler, B., additional, Lommel, B., additional, Korichi, A., additional, Lopez-Martens, A., additional, Hauschild, K., additional, Sulignano, B., additional, Theisen, C., additional, Vandebrouck, M., additional, Rey-Herme, E., additional, Gadea, A., additional, Corradi, L., additional, Fioretto, E., additional, Galtarossa, F., additional, Szilner, S., additional, Mijatović, T., additional, Fougères, C., additional, Seweryniak, D., additional, Kim, Y.H., additional, Cho, Y., additional, Son, Y., additional, Matejska-Minda, M., additional, Dorvaux, O., additional, Forge, M., additional, Kessaci, K., additional, Gall, B., additional, Marini, P., additional, and Million, B., additional

Published
2023
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14. Study of N=50 gap evolution around Z=32: new structure information for 82Ge.

Author

Thisse, D., Lebois, M., Verney, D., Wilson, J. N., Jovančević, N., Rudigier, M., Canavan, R., Etasse, D., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., and Cieplicka-Oryńczak, N.

Subjects
NEUTRON sources, COINCIDENCE, SPECTROMETERS, SPECTROMETRY
Abstract

Medium spin states of light N = 50 isotones have been populated using fast neutron-induced fission of 232 Th. Online prompt γ spectroscopy has been performed using the hybrid γ spectrometer ν - Ball coupled to the LICORNE directional neutron source at the ALTO facility of IJCLab. Medium spin states of the neutron-rich nucleus 82 Ge have been investigated using γ - γ and γ - γ - γ coincidence data to exploit the resolving power of ν - Ball. Two new transitions were assigned to this nucleus and a new level was placed in the level scheme. We tentatively assigned to this new state a ( 7 + ) spin-parity, which is interpreted as a new N = 50 core breaking state. This provides further insight into the energy evolution of the N = 50 shell gap toward 78 Ni. [ABSTRACT FROM AUTHOR]

Published
2023
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15. Study of the production and decay properties of neutron-deficient nobelium isotopes

Author

Tezekbayeva, M. S., primary, Yeremin, A. V., additional, Svirikhin, A. I., additional, Lopez-Martens, A., additional, Chelnokov, M. L., additional, Chepigin, V. I., additional, Isaev, A. V., additional, Izosimov, I. N., additional, Karpov, A. V., additional, Kuznetsova, A. A., additional, Malyshev, O. N., additional, Mukhin, R. S., additional, Popeko, A. G., additional, Popov, Yu. A., additional, Rachkov, V. A., additional, Sailaubekov, B. S., additional, Sokol, E. A., additional, Hauschild, K., additional, Jacob, H., additional, Chakma, R., additional, Dorvaux, O., additional, Forge, M., additional, Gall, B., additional, Kessaci, K., additional, Andel, B., additional, Antalic, S., additional, Bronis, A., additional, and Mosat, P., additional

Published
2022
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16. Alpha-decay spectroscopy of $$^{257}$$Rf

Author

Hauschild, K., primary, Lopez-Martens, A., additional, Chakma, R., additional, Chelnokov, M. L., additional, Chepigin, V. I., additional, Isaev, A. V., additional, Izosimov, I. N., additional, Katrasev, D. E., additional, Kuznetsova, A. A., additional, Malyshev, O. N., additional, Popeko, A. G., additional, Popov, Yu. A., additional, Sokol, E. A., additional, Svirikhin, A. I., additional, Tezekbayeva, M. S., additional, Yeremin, A. V., additional, Asfari, Z., additional, Dorvaux, O., additional, Gall, B. J. P., additional, Kessaci, K., additional, Ackermann, D., additional, Piot, J., additional, Mosat, P., additional, and Andel, B., additional

Published
2022
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17. A study of the suitability of the LISE2000 spectrometer for SIRIUS commissioning experiments

Author

Chakma, R., Piot, Julien, 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), and Grand Accélérateur National d'Ions Lourds

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

SIRIUS is a focal-plane detection system aimed to conduct decay spectroscopic studies on heavy and superheavy nuclei. For commissioning the setup, the LISE2000 spectrometer at GANIL was selected due to its availability. Simulations with the LISE++ code showed that the transmission efficiency of the spectrometer is rather small 0.5 %. This study has confirmed this result and also reports why this facility is not suitable for commissioning SIRIUS.

Published
2021

18. Test of the SIRIUS tracker using a $^{252}$Cf source

Author

Chakma, R., Pancin, J., 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), and Grand Accélérateur National d'Ions Lourds

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

A test on the ion tracking device of the SIRIUS integrated with the NUMEXO2 electronics was performed. The times-of-flight of the fission fragments from a 252 Cf source were measured using digital constant-fraction discriminators. The parameters of the constant-fraction discriminators were optimized considering the known velocity distribution of the fission fragments from a 252 Cf source. The test gave comparable results that were obtained in some earlier studies on this device.

Published
2021

19. Evidence of high- K isomerism in No154102256

Author

Kessaci, K., primary, Gall, B. J. P., additional, Dorvaux, O., additional, Lopez-Martens, A., additional, Chakma, R., additional, Hauschild, K., additional, Chelnokov, M. L., additional, Chepigin, V. I., additional, Forge, M., additional, Isaev, A. V., additional, Izosimov, I. N., additional, Katrasev, D. E., additional, Kuznetsova, A. A., additional, Malyshev, O. N., additional, Mukhin, R., additional, Piot, J., additional, Popeko, A. G., additional, Popov, Yu. A., additional, Sokol, E. A., additional, Svirikhin, A. I., additional, Tezekbayev, M. S., additional, and Yeremin, A. V., additional

Published
2021
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20. First lifetime investigations of N>82 iodine isotopes: The quest for collectivity

Author

Häfner, G., primary, Lozeva, R., additional, Naïdja, H., additional, Lebois, M., additional, Jovančević, N., additional, Thisse, D., additional, Etasse, D., additional, Canavan, R. L., additional, Rudigier, M., additional, Wilson, J. N., additional, Adamska, E., additional, Adsley, P., additional, Algora, A., additional, Babo, M., additional, Belvedere, K., additional, Benito, J., additional, Benzoni, G., additional, Blazhev, A., additional, Boso, A., additional, Bottoni, S., additional, Bunce, M., additional, Chakma, R., additional, Cieplicka-Oryńczak, N., additional, Collins, S. M., additional, Cortés, M. L., additional, Davies, P. J., additional, Delafosse, C., additional, Fallot, M., additional, Fraile, L. M., additional, Gerst, R.-B., additional, Gjestvang, D., additional, Guadilla, V., additional, Hauschild, K., additional, Henrich, C., additional, Homm, I., additional, Ibrahim, F., additional, Iskra, Ł. W., additional, Jazwari, S., additional, Korgul, A., additional, Koseoglou, P., additional, Kröll, Th., additional, Kurtukian-Nieto, T., additional, Le-meur, L., additional, Leoni, S., additional, Ljungvall, J., additional, Lopez-Martens, A., additional, Matthieu, L., additional, Miernik, K., additional, Nemer, J., additional, Oberstedt, S., additional, Paulsen, W., additional, Piersa-Siłkowska, M., additional, Popovitch, Y., additional, Porzio, C., additional, Qi, L., additional, Ralet, D., additional, Regan, P. H., additional, Reygadas Tello, D., additional, Rezynkina, K., additional, Sanchez-Tembleque, V., additional, Schmitt, C., additional, Söderström, P.-A., additional, Sürder, C., additional, Tocabens, G., additional, Vedia, V., additional, Verney, D., additional, Warr, N., additional, Wasilewska, B., additional, Wiederhold, J., additional, Yavahchova, M. S., additional, Zeiser, F., additional, and Ziliani, S., additional

Published
2021
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21. Evidence of high-$K$ isomerism in $_{102}^{256}\mathrm{No}_{154}$

Author

Kessaci, K., Gall, B.J.P., Dorvaux, O., Lopez-Martens, A., Chakma, R., Hauschild, K., Chelnokov, M.L., Chepigin, V.I., Forge, M., Isaev, A.V., Izosimov, I.N., Katrasev, D.E., Kuznetsova, A.A., Malyshev, O.N., Mukhin, R., Piot, J., Popeko, A.G., Popov, Yu.A., Sokol, E.A., Svirikhin, A.I., Tezekbayev, M.S., Yeremin, A.V., Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-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), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), and 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)

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

International audience; Isomeric states in No256 were investigated using internal conversion electron and γ-ray spectroscopy with the GABRIELA detection system at the focal plane of the SHELS recoil separator, at the Flerov Laboratory for Nuclear Research (FLNR, JINR, Dubna). The nuclei of interest were produced using the highly asymmetric fusion-evaporation reaction U238(Ne22,4n)No256. The emission of internal conversion electrons and γ rays occurring between a No256 implantation and a subsequent α-decay event were studied, resulting in the observation of high-K isomerism in this nobelium isotope. The nature of the isomeric states is discussed in terms of possible two- and four-quasiparticle structures.

Published
2021
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22. Spectroscopy and lifetime measurements in 134,136,138Te isotopes and implications for the nuclear structure beyond N = 82

Author

Häfner, G., Naïdja, H., Lebois, M., Jovancevic, N., Thisse, D., Etasse, D, Canavan, R, Rudigier, M., Wilson, J. N., Adamska, E, Adsley, P, Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Collins, S. M., Cortés, M. L., Davies, P. J., Delafosse, C., Fallot, M., Fornal, B., Fraile, L. M., Gerst, R.-B., Gjestvang, Dorthea, Guadilla, V., Hauschild, K., Henrich, C., Homm, I., Ibrahim, F., Iskra, ŁW, Jazwari, S., Jolie, J., Korgul, A., Koseoglou, P., Kröll, Th., Kurtukian-Nieto, T., Le-meur, L., Ljungvall, J., Lopez-Martens, A., Matea, I., Matthieu, L., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, Wanja, Piersa, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Reygadas Tello, D., Rezynkina, K., Sanchez, V., Schmitt, C., Söderström, P.A., Sürder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, Y. S., Zeiser, Fabio, and Ziliani, S.

Abstract

We report on spectroscopic information and lifetime measurements of even-even neutron-rich Te isotopes. Excited states were populated in fast-neutron induced fission of 238U at the ALTO facility of IJCLab with the LICORNE neutron source and detected using the hybrid ν-ball spectrometer. We provide first results on lifetimes of the 6+1 state in 136Te and the (6+1), (4+1), and (2+1) states in 138Te and discuss the results in the context of large-scale shell-model calculations. The level schemes of 136Te and 138Te are revised in terms of lifetimes of their 2+1,4+1 states and updated information on the (4+2) state in 136Te is presented. In addition, previously reported data on spectroscopy and lifetimes in 134Te are reexamined. This work provides new insights into the evolution of collectivity for Te isotopes with N=82,84,86.

Published
2021

23. Spectroscopy and lifetime measurements in $^{134,136,138}$Te isotopes and implications for the nuclear structure beyond $N=82$

Author

Häfner, G., Lozeva, R., Naïdja, H., Lebois, M., Jovančević, N., Thisse, D., Etasse, D., Canavan, R.L., Rudigier, M., Wilson, J.N., Adamska, E., Adsley, P., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Oryńczak, N., Collins, S.M., Cortés, M.L., Davies, P.J., Delafosse, C., Fallot, Muriel, Fornal, B., Fraile, L.M., Gerst, R.B., Gjestvang, D., Guadilla, V., Hauschild, K., Henrich, C., Homm, I., Ibrahim, F., Iskra, Ł. W., Jazwari, S., Jolie, J., Korgul, A., Koseoglou, P., Kröll, Th., Kurtukian-Nieto, T., Le-Meur, L., Ljungvall, J., Lopez-Martens, A., Matea, I., Matthieu, L., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P.H., Reygadas Tello, D., Rezynkina, K., Sanchez, V., Schmitt, C., Söderström, P.A., Sürder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M.S., Zeiser, F., Ziliani, S., Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-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)-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), Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), 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 Laue-Langevin (ILL), ILL, Institut Pluridisciplinaire Hubert Curien (IPHC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Normandie Université (NU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Université Sciences et Technologies - Bordeaux 1 (UB)-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)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-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], Nuclear Structure
Abstract

International audience; We report on spectroscopic information and lifetime measurements of even-even neutron-rich Te isotopes. Excited states were populated in fast-neutron induced fission of U238 at the ALTO facility of IJCLab with the LICORNE neutron source and detected using the hybrid ν-ball spectrometer. We provide first results on lifetimes of the 61+ state in Te136 and the (61+), (41+), and (21+) states in Te138 and discuss the results in the context of large-scale shell-model calculations. The level schemes of Te136 and Te138 are revised in terms of lifetimes of their 21+,41+ states and updated information on the (42+) state in Te136 is presented. In addition, previously reported data on spectroscopy and lifetimes in Te134 are reexamined. This work provides new insights into the evolution of collectivity for Te isotopes with N=82,84,86.

Published
2021
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24. Spectroscopy and lifetime measurements in Te-134,Te-136,Te-138 isotopes and implications for the nuclear structure beyond N=82

Author

Hafner, G., Lozeva, R., Naiedja, H., Lebois, M., Jovancevic, N., Thisse, D., Etasse, D., Canavan, R. L., Rudigier, M., Wilson, J. N., Adamska, E., Adsley, P., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Collins, S. M., Cortes, M. L., Davies, P. J., Delafosse, C., Fallot, M., Fornal, B., Fraile, L. M., Gerst, R-B, Gjestvang, D., Guadilla, V, Hauschild, K., Henrich, C., Homm, I, Ibrahim, F., Iskra, L. W., Jazwari, S., Jolie, J., Korgul, A., Koseoglou, P., Kroell, Th, Kurtukian-Nieto, T., Le-meur, L., Ljungvall, J., Lopez-Martens, A., Matea, I, Matthieu, L., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Tello, D. Reygadas, Rezynkina, K., Sanchez, V, Schmitt, C., Soederstroem, P-A, Suerder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M. S., Zeiser, F., Ziliani, S., Hafner, G., Lozeva, R., Naiedja, H., Lebois, M., Jovancevic, N., Thisse, D., Etasse, D., Canavan, R. L., Rudigier, M., Wilson, J. N., Adamska, E., Adsley, P., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Collins, S. M., Cortes, M. L., Davies, P. J., Delafosse, C., Fallot, M., Fornal, B., Fraile, L. M., Gerst, R-B, Gjestvang, D., Guadilla, V, Hauschild, K., Henrich, C., Homm, I, Ibrahim, F., Iskra, L. W., Jazwari, S., Jolie, J., Korgul, A., Koseoglou, P., Kroell, Th, Kurtukian-Nieto, T., Le-meur, L., Ljungvall, J., Lopez-Martens, A., Matea, I, Matthieu, L., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Tello, D. Reygadas, Rezynkina, K., Sanchez, V, Schmitt, C., Soederstroem, P-A, Suerder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M. S., Zeiser, F., and Ziliani, S.

Abstract

We report on spectroscopic information and lifetime measurements of even-even neutron-rich Te isotopes. Excited states were populated in fast-neutron induced fission of U-238 at the ALTO facility of IJCLab with the LICORNE neutron source and detected using the hybrid.-ball spectrometer. We provide first results on lifetimes of the 6(1)(+) state in Te-136 and the (6(1)(+)), (4(1)(+)), and (2(1)(+)) states in Te-138 and discuss the results in the context of large-scale shell-model calculations. The level schemes of Te-136 and Te-138 are revised in terms of lifetimes of their 2(1)(+), 4(1)(+) states and updated information on the (4(2)(+)) state in Te-136 is presented. In addition, previously reported data on spectroscopy and lifetimes in Te-134 are reexamined. This work provides new insights into the evolution of collectivity for Te isotopes with N = 82, 84, 86.

Published
2021

25. First lifetime investigations of N > 82 iodine isotopes: The quest for collectivity

Author

Haefner, G., Lozeva, R., Naidja, H., Lebois, M., Jovancevic, N., Thisse, D., Etasse, D., Canavan, R. L., Rudigier, M., Wilson, J. N., Adamska, E., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Collins, S. M., Cortes, M. L., Davies, P. J., Delafosse, C., Fallot, M., Fraile, L. M., Gerst, R-B, Gjestvang, D., Guadilla, V, Hauschild, K., Henrich, C., Homm, I, Ibrahim, F., Iskra, L. W., Jazwari, S., Korgul, A., Koseoglou, P., Kroell, Th, Kurtukian-Nieto, T., Le-meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Matthieu, L., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa-Silkowska, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Tello, D. Reygadas, Rezynkina, K., Sanchez-Tembleque, V, Schmitt, C., Soederstroem, P-A, Suerder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M. S., Zeiser, F., Ziliani, S., Haefner, G., Lozeva, R., Naidja, H., Lebois, M., Jovancevic, N., Thisse, D., Etasse, D., Canavan, R. L., Rudigier, M., Wilson, J. N., Adamska, E., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Blazhev, A., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Collins, S. M., Cortes, M. L., Davies, P. J., Delafosse, C., Fallot, M., Fraile, L. M., Gerst, R-B, Gjestvang, D., Guadilla, V, Hauschild, K., Henrich, C., Homm, I, Ibrahim, F., Iskra, L. W., Jazwari, S., Korgul, A., Koseoglou, P., Kroell, Th, Kurtukian-Nieto, T., Le-meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Matthieu, L., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa-Silkowska, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Tello, D. Reygadas, Rezynkina, K., Sanchez-Tembleque, V, Schmitt, C., Soederstroem, P-A, Suerder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M. S., Zeiser, F., and Ziliani, S.

Abstract

We report on spectroscopic information and lifetime measurements in the neutron-rich I-135,I-137,I-139 isotopes. This is the first lifetime data on iodine isotopes beyond N = 82. Excited states were populated in fast neutron-induced fission of U-238 at the ALTO facility of IJCLab with the LICORNE neutron source and detected using the hybrid nu-ball spectrometer. The level schemes of the I-135,I-137,I-139 isotopes are revised in terms of excited states with up to maximum spin-parity of (33/2(+)), populated for the first time in fast neutron-induced fission. We provide first results on the lifetimes of the (9/2(1)(+)) and (13/2(1)(+)) states in I-137 and I-139, and the (17/2(1)(+)) state in 137I. In addition, we give upper lifetime limits for the (11/2(1)(+)) states in I135-139, the (15/2(1)(+)) state in I-137, the (17/2(1)(+)) state in I-139, and reexamine the (29/2(1)(+)) state in I-137. The isomeric data in I-13(5) are reinvestigated, such as the previously known (15/2(1)(+)) and (23/21) isomers with T-1/2 of 1.64(14) and 4.6(7) ns, respectively, as obtained in this work. The new spectroscopic information is compared to that from spontaneous or thermal-neutron induced fission and discussed in the context of large scale shell-model (LSSM) calculations for the region beyond Sn-132, indicating the behavior of collectivity for the three valence-proton iodine chain with N = 82, 84, 86.

Published
2021

26. Prompt and delayed $\gamma$ spectroscopy of neutron-rich $^{94}$Kr and observation of a new isomer

Author

Gerst, R.-B., Blazhev, A., Warr, N., Wilson, J., Lebois, M., Jovančević, N., Thisse, D., Canavan, R., Rudigier, M., Etasse, D., Adamska, E., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Oryńczak, N., Courtin, S., Cortés, M., Davies, P., Delafosse, C., Fallot, Muriel, Fornal, B., Fraile, L., Gjestvang, D., Gottardo, A., Guadilla, V., Häfner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I., Ibrahim, F., Iskra, Ł., Ivanov, P., Jazrawi, S., Korgul, A., Koseoglou, P., Kröll, T., Kurtukian-Nieto, T., Le Meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I., Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P., Reygadas-Tello, D., Rezynkina, K., Sánchez-Tembleque, V., Schmitt, C., Söderström, P.-A., Sürder, C., Tocabens, G., Vedia, V., Verney, D., Wasilewska, B., Wiederhold, J., Yavachova, M., Zeiser, F., Ziliani, S., Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-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)-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), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-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), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)

Subjects
[PHYS]Physics [physics], [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], Astrophysics::High Energy Astrophysical Phenomena, Nuclear Theory, Physics::Atomic and Molecular Clusters, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment
Abstract

International audience; Prompt and delayed γ-ray spectroscopy of the neutron-rich 94Kr was performed, as part of the fission campaign at the ALTO facility of the IPN Orsay, using the fast-neutron-induced fission reaction 238U(n,f) in combination with the ν-Ball array, a novel hybrid γ spectrometer for energy and lifetime measurements. Several new yrast and nonyrast transitions were observed for the first time, extending the previously known level scheme. Additionally, we report on the observation of a new short-lived isomer at 3444 keV with a half-life of 32(3) ns. The analysis of the Nilsson orbitals obtained from Gogny cranked Hartree-Fock-Bogoliubov calculations suggests a (9−) spin and an oblate deformation for this isomer corresponding to a two-quasineutron state, indicating an isomeric structure very similar to that of the neighboring isotones 96Sr and 92Se

Published
2020
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27. Spectroscopy and lifetime measurements in Te134,136,138 isotopes and implications for the nuclear structure beyond N=82

Author

Häfner, G., primary, Lozeva, R., additional, Naïdja, H., additional, Lebois, M., additional, Jovančević, N., additional, Thisse, D., additional, Etasse, D., additional, Canavan, R. L., additional, Rudigier, M., additional, Wilson, J. N., additional, Adamska, E., additional, Adsley, P., additional, Babo, M., additional, Belvedere, K., additional, Benito, J., additional, Benzoni, G., additional, Blazhev, A., additional, Boso, A., additional, Bottoni, S., additional, Bunce, M., additional, Chakma, R., additional, Cieplicka-Oryńczak, N., additional, Collins, S. M., additional, Cortés, M. L., additional, Davies, P. J., additional, Delafosse, C., additional, Fallot, M., additional, Fornal, B., additional, Fraile, L. M., additional, Gerst, R.-B., additional, Gjestvang, D., additional, Guadilla, V., additional, Hauschild, K., additional, Henrich, C., additional, Homm, I., additional, Ibrahim, F., additional, Iskra, Ł. W., additional, Jazwari, S., additional, Jolie, J., additional, Korgul, A., additional, Koseoglou, P., additional, Kröll, Th., additional, Kurtukian-Nieto, T., additional, Le-meur, L., additional, Ljungvall, J., additional, Lopez-Martens, A., additional, Matea, I., additional, Matthieu, L., additional, Miernik, K., additional, Nemer, J., additional, Oberstedt, S., additional, Paulsen, W., additional, Piersa, M., additional, Popovitch, Y., additional, Porzio, C., additional, Qi, L., additional, Ralet, D., additional, Regan, P. H., additional, Reygadas Tello, D., additional, Rezynkina, K., additional, Sanchez, V., additional, Schmitt, C., additional, Söderström, P.-A., additional, Sürder, C., additional, Tocabens, G., additional, Vedia, V., additional, Verney, D., additional, Warr, N., additional, Wasilewska, B., additional, Wiederhold, J., additional, Yavahchova, M. S., additional, Zeiser, F., additional, and Ziliani, S., additional

Published
2021
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28. gamma-RAY SPECTROSCOPY OF Se-85 PRODUCED IN Th-232 FISSION

Author

Adamska, E, Korgul, A, Fijalkowska, A, Miernik, K, Piersa, M, Canavan, R, Etasse, D, Jovancevic, N, Lebois, M, Rudigier, M, Thisse, D, Wilson, JN, Adsley, P, Algora, A, Babo, M, Belvedere, K, Benito, J, Blazhev, A, Benzoni, G, Boso, A, Bottoni, S, Bunce, M, Chakma, R, Cieplicka-Orynczak, N, Ciemala, M, Collins, S, Cortes, L, Davies, P, Delafosse, C, Fallot, M, Fornal, B, Fraile, LM, Gerst, R-B, Gjestvang, D, Gottardo, A, Guadilla, V, Hafner, G, Hauschild, K, Heine, M, Henrich, C, Homm, I, Ibrahim, F, Iskra, LW, Koseoglou, P, Kroell, T, Kurtukian-Nieto, T, Le-Meur, L, Leoni, S, Ljungvall, J, Lopez-Martens, A, Lozeva, R, Matea, I, Nemer, J, Oberstedt, S, Paulsen, W, Popovitch, Y, Qi, L, Ralet, D, Regan, PH, Tello, D Reygadas, Rezynkina, K, Sanchez-Tembleque, V, Schmitt, C, Soederstroem, P-A, Surder, C, Tocabens, G, Vedia, V, Verney, D, Warr, N, Wasilewska, B, Wiederhold, J, Yavahchova, M, and Zeiser, F

Subjects
Science & Technology, NEUTRON-RICH, Physics, Physical Sciences, Physics, Multidisciplinary
Abstract

ispartof: ACTA PHYSICA POLONICA B vol:51 issue:3 pages:843-848 ispartof: location:POLAND, Piaski status: published

Published
2020

29. Prompt and delayed gamma spectroscopy of neutron-rich Kr94 and observation of a new isomer

Author

Gerst, RB, Blazhev, A., Warr, N., Wilson, J. N., Lebois, M, Jovančević, Nikola, Thisse, D, Canavan, R, Rudigier, M., Etasse, D, Adamska, E, Adsley, P, Algora, A, Babo, M, Belvedere, K, Benito, J, Benzoni, G., Boso, A, Bottoni, S., Bunce, M, Chakma, R, Cieplicka-Oryńczak, N, Courtin, S, Cortés, M. L., Davies, P, Delafosse, C, Fallot, M, Fornal, B., Fraile, L. M., Gjestvang, Dorthea, Gottardo, A, Guadilla, V, Häfner, G., Hauschild, K, Heine, M, Henrich, C., Homm, I, Ibrahim, F, Iskra, ŁW, Ivanov, P, Jazrawi, S, Korgul, A., Koseoglou, P., Kröll, T., Kurtukian-Nieto, T, Le Meur, L, Leoni, S., Ljungvall, J, Lopez-martens, A., Lozeva, R, Matea, I., Miernik, K, Nemer, J, Oberstedt, Stephan, Paulsen, Wanja, Piersa, M, Popovitch, Y, Porzio, C, Qi, L, D, Ralet, Regan, P. H., Reygadas Tello, D, Rezynkina, K., Sánchez-Tembleque, V., Schmitt, Christelle, Söderström, P. A., Sürder, C., Tocabens, G, Vedia, V., Verney, D., Wasilewska, B., Wiederhold, J., Yavachova, M., Zeiser, Fabio, and Ziliani, S.

Subjects
Astrophysics::High Energy Astrophysical Phenomena, Nuclear Theory, Physics::Atomic and Molecular Clusters, Nuclear Experiment
Abstract

Prompt and delayed γ-ray spectroscopy of the neutron-rich 94Kr was performed, as part of the fission campaign at the ALTO facility of the IPN Orsay, using the fast-neutron-induced fission reaction 238U(n,f) in combination with the ν-Ball array, a novel hybrid γ spectrometer for energy and lifetime measurements. Several new yrast and nonyrast transitions were observed for the first time, extending the previously known level scheme. Additionally, we report on the observation of a new short-lived isomer at 3444 keV with a half-life of 32(3) ns. The analysis of the Nilsson orbitals obtained from Gogny cranked Hartree-Fock-Bogoliubov calculations suggests a (9−) spin and an oblate deformation for this isomer corresponding to a two-quasineutron state, indicating an isomeric structure very similar to that of the neighboring isotones 96Sr and 92Se.

Published
2020

30. gamma-RAY SPECTROSCOPY OF Se-85 PRODUCED IN Th-232 FISSION

Author

Adamska, E., Korgul, A., Fijalkowska, A., Miernik, K., Piersa, M., Canavan, R., Etasse, D., Jovancevic, N., Lebois, M., Rudigier, M., Thisse, D., Wilson, J. N., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Blazhev, A., Benzoni, G., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Ciemala, M., Collins, S., Cortes, L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L. M., Gerst, R. -B., Gjestvang, D., Gottardo, A., Guadilla, V., Hafner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I., Ibrahim, F., Iskra, L. W., Koseoglou, P., Kroell, T., Kurtukian-Nieto, T., Le-Meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I., Nemer, J., Oberstedt, S., Paulsen, W., Popovitch, Y., Qi, L., Ralet, D., Regan, P. H., Tello, D. Reygadas, Rezynkina, K., Sanchez-Tembleque, V., Schmitt, C., Soederstroem, P. -A., Surder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M., Zeiser, F., Adamska, E., Korgul, A., Fijalkowska, A., Miernik, K., Piersa, M., Canavan, R., Etasse, D., Jovancevic, N., Lebois, M., Rudigier, M., Thisse, D., Wilson, J. N., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Blazhev, A., Benzoni, G., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Ciemala, M., Collins, S., Cortes, L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L. M., Gerst, R. -B., Gjestvang, D., Gottardo, A., Guadilla, V., Hafner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I., Ibrahim, F., Iskra, L. W., Koseoglou, P., Kroell, T., Kurtukian-Nieto, T., Le-Meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I., Nemer, J., Oberstedt, S., Paulsen, W., Popovitch, Y., Qi, L., Ralet, D., Regan, P. H., Tello, D. Reygadas, Rezynkina, K., Sanchez-Tembleque, V., Schmitt, C., Soederstroem, P. -A., Surder, C., Tocabens, G., Vedia, V., Verney, D., Warr, N., Wasilewska, B., Wiederhold, J., Yavahchova, M., and Zeiser, F.

Abstract

Excited states in the neutron-rich Se-85 nucleus have been studied using for the first time a fast neutron-induced fission of Th-232. The experiment was performed at the ALTO facility of the IPN Orsay. Coupling of the LICORNE directional neutron source with the nu-ball high-resolution gamma-ray spectrometer provided unique access to high-spin states in neutron-rich fission fragments from the Th-232(n,f) reaction. A preliminary level scheme of Se-85 was established by the analysis of prompt gamma-gamma-gamma coincidences. Identification of the all known yrast states in Se-85 is the first step towards studies of more neutron-rich Se isotopes.

Published
2020

31. Prompt and delayed gamma spectroscopy of neutron-rich Kr-94 and observation of a new isomer

Author

Gerst, R-B, Blazhev, A., Warr, N., Wilson, J. N., Lebois, M., Jovancevic, N., Thisse, D., Canavan, R., Rudigier, M., Etasse, D., Adamska, E., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Courtin, S., Cortes, M. L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L. M., Gjestvang, D., Gottardo, A., Guadilla, V, Haefner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I, Ibrahim, F., Iskra, L. W., Ivanov, P., Jazrawi, S., Korgul, A., Koseoglou, P., Kroell, T., Kurtukian-Nieto, T., Le Meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I, Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Reygadas-Tello, D., Rezynkina, K., Sanchez-Tembleque, V, Schmitt, C., Soederstroem, P-A, Suerder, C., Tocabens, G., Vedia, V., Verney, D., Wasilewska, B., Wiederhold, J., Yavachova, M., Zeiser, F., Ziliani, S., Gerst, R-B, Blazhev, A., Warr, N., Wilson, J. N., Lebois, M., Jovancevic, N., Thisse, D., Canavan, R., Rudigier, M., Etasse, D., Adamska, E., Adsley, P., Algora, A., Babo, M., Belvedere, K., Benito, J., Benzoni, G., Boso, A., Bottoni, S., Bunce, M., Chakma, R., Cieplicka-Orynczak, N., Courtin, S., Cortes, M. L., Davies, P., Delafosse, C., Fallot, M., Fornal, B., Fraile, L. M., Gjestvang, D., Gottardo, A., Guadilla, V, Haefner, G., Hauschild, K., Heine, M., Henrich, C., Homm, I, Ibrahim, F., Iskra, L. W., Ivanov, P., Jazrawi, S., Korgul, A., Koseoglou, P., Kroell, T., Kurtukian-Nieto, T., Le Meur, L., Leoni, S., Ljungvall, J., Lopez-Martens, A., Lozeva, R., Matea, I, Miernik, K., Nemer, J., Oberstedt, S., Paulsen, W., Piersa, M., Popovitch, Y., Porzio, C., Qi, L., Ralet, D., Regan, P. H., Reygadas-Tello, D., Rezynkina, K., Sanchez-Tembleque, V, Schmitt, C., Soederstroem, P-A, Suerder, C., Tocabens, G., Vedia, V., Verney, D., Wasilewska, B., Wiederhold, J., Yavachova, M., Zeiser, F., and Ziliani, S.

Abstract

Prompt and delayed gamma-ray spectroscopy of the neutron-rich Kr-94 was performed, as part of the fission campaign at the ALTO facility of the IPN Orsay, using the fast-neutron-induced fission reaction U-238(n, f) in combination with the nu-Ball array, a novel hybrid gamma spectrometer for energy and lifetime measurements. Several new yrast and nonyrast transitions were observed for the first time, extending the previously known level scheme. Additionally, we report on the observation of a new short-lived isomer at 3444 keV with a half-life of 32(3) ns. The analysis of the Nilsson orbitals obtained from Gogny cranked Hartree-Fock-Bogoliubov calculations suggests a (9(-)) spin and an oblate deformation for this isomer corresponding to a two-quasineutron state, indicating an isomeric structure very similar to that of the neighboring isotones Sr-96 and Se-92.

Published
2020

32. Prompt and delayed γ spectroscopy of neutron-rich Kr94 and observation of a new isomer

Author

Gerst, R.-B., primary, Blazhev, A., additional, Warr, N., additional, Wilson, J. N., additional, Lebois, M., additional, Jovančević, N., additional, Thisse, D., additional, Canavan, R., additional, Rudigier, M., additional, Étasse, D., additional, Adamska, E., additional, Adsley, P., additional, Algora, A., additional, Babo, M., additional, Belvedere, K., additional, Benito, J., additional, Benzoni, G., additional, Boso, A., additional, Bottoni, S., additional, Bunce, M., additional, Chakma, R., additional, Cieplicka-Oryńczak, N., additional, Courtin, S., additional, Cortés, M. L., additional, Davies, P., additional, Delafosse, C., additional, Fallot, M., additional, Fornal, B., additional, Fraile, L. M., additional, Gjestvang, D., additional, Gottardo, A., additional, Guadilla, V., additional, Häfner, G., additional, Hauschild, K., additional, Heine, M., additional, Henrich, C., additional, Homm, I., additional, Ibrahim, F., additional, Iskra, Ł. W., additional, Ivanov, P., additional, Jazrawi, S., additional, Korgul, A., additional, Koseoglou, P., additional, Kröll, T., additional, Kurtukian-Nieto, T., additional, Le Meur, L., additional, Leoni, S., additional, Ljungvall, J., additional, Lopez-Martens, A., additional, Lozeva, R., additional, Matea, I., additional, Miernik, K., additional, Nemer, J., additional, Oberstedt, S., additional, Paulsen, W., additional, Piersa, M., additional, Popovitch, Y., additional, Porzio, C., additional, Qi, L., additional, Ralet, D., additional, Regan, P. H., additional, Reygadas-Tello, D., additional, Rezynkina, K., additional, Sánchez-Tembleque, V., additional, Schmitt, C., additional, Söderström, P.-A., additional, Sürder, C., additional, Tocabens, G., additional, Vedia, V., additional, Verney, D., additional, Wasilewska, B., additional, Wiederhold, J., additional, Yavachova, M., additional, Zeiser, F., additional, and Ziliani, S., additional

Published
2020
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33. \(\gamma \)-ray Spectroscopy of \(^{85}\)Se Produced in \(^{232}\)Th Fission

Author

Adamska, E., primary, Korgul, A., additional, Fijałkowska, A., additional, Miernik, K., additional, Piersa, M., additional, Canavan, R., additional, Etasse, D., additional, Jovančević, N., additional, Lebois, M., additional, Rudigier, M., additional, Thisse, D., additional, Wilson, J.N., additional, Adsley, P., additional, Algora, A., additional, Babo, M., additional, Belvedere, K., additional, Benito, J., additional, Blazhev, A., additional, Benzoni, G., additional, Boso, A., additional, Bottoni, S., additional, Bunce, M., additional, Chakma, R., additional, Cieplicka-Oryńczak, N., additional, Ciemała, M., additional, Collins, S., additional, Cortés, L., additional, Davies, P., additional, Delafosse, C., additional, Fallot, M., additional, Fornal, B., additional, Fraile, L.M., additional, Gerst, R.-B., additional, Gjestvang, D., additional, Gottardo, A., additional, Guadilla, V., additional, Hafner, G., additional, Hauschild, K., additional, Heine, M., additional, Henrich, C., additional, Homm, I., additional, Ibrahim, F., additional, Iskra, Ł.W., additional, Koseoglou, P., additional, Kröll, T., additional, Kurtukian-Nieto, T., additional, Le-meur, L., additional, Leoni, S., additional, Ljungvall, J., additional, Lopez-Martens, A., additional, Lozeva, R., additional, Matea, I., additional, Nemer, J., additional, Oberstedt, S., additional, Paulsen, W., additional, Popovitch, Y., additional, Qi, L., additional, Ralet, D., additional, Regan, P.H., additional, Reygadas Tello, D., additional, Rezynkina, K., additional, Sánchez-Tembleque, V., additional, Schmitt, C., additional, Söderström, P.-A., additional, Surder, C., additional, Tocabens, G., additional, Vedia, V., additional, Verney, D., additional, Warr, N., additional, Wasilewska, B., additional, Wiederhold, J., additional, Yavahchova, M., additional, and Zeiser, F., additional

Published
2020
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34. SPECTROSCOPY OF NEUTRON INDUCED REACTIONS WITH THE nu-BALL SPECTROMETER

Author

Jovanaevic, N., Lebois, M., Wilson, J. N., Thisse, D., Qia, L., Matea, I, Ibrahim, F., Verney, D., Babo, M., Delafosse, C., Adsley, F., Tocabens, G., Gottardo, A., Popovitch, Y., Nemer, J., Canavan, R., Rudigier, M., Belvedere, K., Boso, A., Regan, P., Podolyak, Zs, Shearman, R., Bunce, M., Inavov, P., Oberstedt, S., Lopez-Martens, A., Hauschild, K., Ljungvall, J., Chakma, R., Lozeva, R., Soderstrom, P-A, Oberstedt, A., Etasse, D., Ralet, D., Blazhev, A., Gerst, R-B, Hafner, G., Cieplicka-Orynczak, N., Iskra, L. W., Fornal, B., Benzoni, G., Leoni, S., Bottoni, S., Henrich, C., Koseoglou, P., Wiederhold, J., Homm, I, Surder, C., Kroll, T., Knezevic, D., Dragic, A., Cortes, L., Warr, N., Miernik, K., Adamska, E., Piersa, M., Rezynkina, K., Fraile, L., Garcia, J. Benito, Sanchez, V, Algora, A., Davies, P., Guadilla-Gomez, V, Fallot, M., Kurtukian-Nieto, T., Schmitt, C., Heine, M., Tello, D. Reygadas, Yavachova, M., Diakaki, M., Zeiser, F., Paulson, W., Gestvang, D., Jovanaevic, N., Lebois, M., Wilson, J. N., Thisse, D., Qia, L., Matea, I, Ibrahim, F., Verney, D., Babo, M., Delafosse, C., Adsley, F., Tocabens, G., Gottardo, A., Popovitch, Y., Nemer, J., Canavan, R., Rudigier, M., Belvedere, K., Boso, A., Regan, P., Podolyak, Zs, Shearman, R., Bunce, M., Inavov, P., Oberstedt, S., Lopez-Martens, A., Hauschild, K., Ljungvall, J., Chakma, R., Lozeva, R., Soderstrom, P-A, Oberstedt, A., Etasse, D., Ralet, D., Blazhev, A., Gerst, R-B, Hafner, G., Cieplicka-Orynczak, N., Iskra, L. W., Fornal, B., Benzoni, G., Leoni, S., Bottoni, S., Henrich, C., Koseoglou, P., Wiederhold, J., Homm, I, Surder, C., Kroll, T., Knezevic, D., Dragic, A., Cortes, L., Warr, N., Miernik, K., Adamska, E., Piersa, M., Rezynkina, K., Fraile, L., Garcia, J. Benito, Sanchez, V, Algora, A., Davies, P., Guadilla-Gomez, V, Fallot, M., Kurtukian-Nieto, T., Schmitt, C., Heine, M., Tello, D. Reygadas, Yavachova, M., Diakaki, M., Zeiser, F., Paulson, W., and Gestvang, D.

Abstract

The nu-ball is a high-efficiency hybrid spectrometer which consists of both germanium (Ge) detectors and associated anti-Compton BGO shields, coupled to lanthanum bromide (LaBr3) detectors. The hybrid configuration provides a combination of both excellent energy and timing resolutions. The nu-ball geometry allows the coupling with the LICORNE directional neutron source at the ALTO facility of the IPN, Orsay. This opens the possibility to perform precise spectroscopy of neutron induced reactions and was used for two experiments during the recent experimental campaign. These two experiments are described here: 1. Spectroscopy of the neutron-rich fission fragments produced in the U-238(n, f) and Th-232(n, f) reactions; 2. Spectroscopy above the shape isomer in U-238. The U-238(n, f) and Th-232(n, f) reactions produce hundreds of neutron-rich nuclei on which gamma-ray spectroscopy can be performed. The main goal of the experiment aiming to populate the shape isomer in U-238 is the measurement of the gamma-ray and fission decay branches as well as determination of level scheme in the super-deformed minimum. The shape isomer is populated by U-238(n,n') reaction, which gives a very advantageous population cross section over other reactions. More detailed descriptions of these two nu-ball experiments will be presented here.

Published
2019

35. New Front and Back-End Electronics for the Upgraded GABRIELA Detection System

Author

Hauschild, K., primary, Chakma, R., additional, Lopez-Martenz, A., additional, Rezynkina, K., additional, Alaphillipe, V., additional, Gibelin, L., additional, Karkour, N., additional, Linget, D., additional, Yeremin, A. V., additional, Popeko, A. G., additional, Malyshev, O. N., additional, Chepigin, V. I., additional, Svirikhin, A. I., additional, Isaev, A. V., additional, Sokol, E. A., additional, Chelnokov, M. L., additional, Popov, Yu. A., additional, Katrasev, D. E., additional, Kuznetsov, A. N., additional, Kuznetsova, A. A., additional, Tezekbayeva, M. S., additional, Dorvaux, O., additional, Gall, B., additional, Brionnet, P., additional, Kessaci, K., additional, and Mathieu, C., additional

Published
2019
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36. Spectroscopy of Neutron Induced Reactions with the $\nu $-ball Spectrometer

Author

Jovančević, N., primary, Lebois, M., additional, Wilson, J.N., additional, Thisse, D., additional, Qi, L., additional, Matea, I., additional, Ibrahim, F., additional, Verney, D., additional, Babo, M., additional, Delafosse, C., additional, Adsley, F., additional, Tocabens, G., additional, Gottardo, A., additional, Popovitch, Y., additional, Nemer, J., additional, Canavan, R., additional, Rudigier, M., additional, Belvedere, K., additional, Boso, A., additional, Regan, P., additional, Podolyak, Zs., additional, Shearman, R., additional, Bunce, M., additional, Inavov, P., additional, Oberstedt, S., additional, Lopez-Martens, A., additional, Hauschild, K., additional, Ljungvall, J., additional, Chakma, R., additional, Lozeva, R., additional, Söderström, P.-A., additional, Oberstedt, A., additional, Etasse, D., additional, Ralet, D., additional, Blazhev, A., additional, Gerst, R.-B., additional, Hafner, G., additional, Cieplicka-Oryńczak, N., additional, Iskra, L., additional, Fornal, B., additional, Benzoni, G., additional, Leoni, S., additional, Bottoni, S., additional, Henrich, C., additional, Koseoglou, P., additional, Wiederhold, J., additional, Homm, I., additional, Surder, C., additional, Kroll, T., additional, Knezevic, D., additional, Dragic, A., additional, Cortes, L., additional, Warr, N., additional, Miernik, K., additional, Adamska, E., additional, Piersa, M., additional, Rezynkina, K., additional, Fraile, L., additional, Benito Garcia, J., additional, Sanchez, V., additional, Algora, A., additional, Davies, P., additional, Guadilla-Gomez, V., additional, Fallot, M., additional, Kurtukian-Nieto, T., additional, Schmitt, C., additional, Heine, M., additional, Reygadas Tello, D., additional, Yavachova, M., additional, Diakaki, M., additional, Zeiser, F., additional, Paulson, W., additional, and Gestvang, D., additional

Published
2019
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39. Arbovirus Seroprevalence Study in Bangphae District, Ratchaburi Province, Thailand: Comparison between ELISA and a Multiplex Rapid Diagnostic Test (Chembio DPP ® ZCD IgG).

Author

Chakma R, Sriburin P, Sittikul P, Rattanamahaphoom J, Nuprasert W, Thammasonthijarern N, Maneekan P, Thaipadungpanit J, Arunsodsai W, Sirivichayakul C, Limkittikul K, and Chatchen S

Abstract

Arboviruses, particularly dengue virus (DENV), Zika virus (ZIKV), and Chikungunya virus (CHIKV), pose a growing threat to global public health. For disease burden estimation and disease control, seroprevalence studies are paramount. This study was performed to determine the prevalence of DENV, ZIKV, and CHIKV on healthy individuals aged from 1-55 years old in Bangphae district, Ratchaburi province, Thailand. Enzyme-linked immunosorbent assays (ELISAs) and rapid diagnostic tests (RDTs) were performed on archived samples from a dengue serological survey conducted from 2012-2015. All 2012 samples had been previously tested using an anti-DENV immunoglobulin (Ig)G ELISA, and 400 randomly selected samples stratified by age, sex, and residential area were assessed by an in-house anti-ZIKV IgG ELISA and a commercial anti-CHIKV IgG ELISA to determine virus-specific antibody levels. An RDT (Chembio DPP ® ZCD IgM/IgG System) was also used to investigate the presence of antibodies against DENV, ZIKV, or CHIKV. The ELISA results indicate that the seroprevalences of DENV, ZIKV, and CHIKV were 84.3%, 58.0%, and 22.5%, respectively. The youngest age group had the lowest seroprevalence for all three arboviruses, and the seroprevalences for these viruses were progressively higher with increasing participant age. The DPP ® IgG sensitivities, as compared with ELISAs, for DENV, ZIKV, and CHIKV were relatively low, only 43.92%, 25.86%, and 37.78%, respectively. The ELISA results indicate that 16% of the study population was seropositive for all three viruses. DENV had the highest seroprevalence. ZIKV and CHIKV were also circulating in Bangphae district, Ratchaburi province, Thailand. The DPP ® ZCD rapid test is not sensitive enough for use in seroprevalence studies.

Published
2022
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