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1. Connection between nuclear structure, dissipation, and time in fission data

Author

Caamaño M., Ramos D., Fernández D., Mantovani G., Farget F., Rodríguez-Tajes C., Lemasson A., Rejmund M., Schmitt C., Ackermann D., Álvarez-Pol H., Audouin L., Benlliure J., Biswas S., Casarejos E., Clement E., Cortina D., Delaune O., Derkx X., Dijon A., Doré D., Durand D., Frankland J. D., Fernández-Domínguez B., de France G., Fregeau M. O., Galaviz D., Galiana-Baldó E., Heinz A., Henriques A., Jacquot B., Jurado B., Kim Y. H., Morfouace P., Paradela C., Piot J., Ralet D., Roger T., Salsac M. D., Teubig P., and Tsekhanovich I.

Subjects
Physics, QC1-999
Abstract

Nuclear fission is still one of the most complex physical processes due to the interplay between macroscopic and microscopic nuclear properties that decide the output. An example of this coupling is the presence of nuclear dissipation as an important ingredient that contributes to drive the dynamics and has a clear impact on the time of the process. However, different theoretical interpretations and scarce experimental data make it poorly understood. At low excitation energy, the relative yields of fragments even and odd atomic numbers show a clear difference, which can be quantified with the so-called even-odd effect. This seemingly mundane property can be used to obtain information about the energy dissipated during the process and the role of structure in its dynamics. In this paper, the study of the even-odd effect for elasticand transfer-induced fission data is discussed. A clear connection with particular fragment shells and the dissipation energy is found, as detailed in Ref. [1]. In addition, preliminary results from quasi-fission data show the formation of a relatively large even-odd effect, which suggests a process with low dissipation mainly consisting in the exchange of nucleon pairs.

Published
2024
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2. Shape evolution in even-mass $^{98-104}$Zr isotopes via lifetime measurements using the $\gamma\gamma$-coincidence technique

Author

Pasqualato, G., Ansari, S., Heines, J. S., Modamio, V., Görgen, A., Korten, W., Ljungvall, J., Clément, E., Dudouet, J., Lemasson, A., Rodríguez, T. R., Allmond, J. M., Arici, T., Beckmann, K. S., Bruce, A. M., Doherty, D., Esmaylzadeh, A., Gamba, E. R., Gerhard, L., Gerl, J., Georgiev, G., Ivanova, D. P., Jolie, J., Kim, Y. -H., Knafla, L., Korichi, A., Koseoglou, P., Labiche, M., Lalkovski, S., Lauritsen, T., Li, H. -J., Pedersen, L. G., Pietri, S., Ralet, D., Regis, J. M., Rudigier, M., Saha, S., Sahin, E., Siem, S., Singh, P., öderström, P. -A., Theisen, C., Tornyi, T., Vandebrouck, M., Witt, W., Zielińska, M., Barrientos, D., Bednarczyk, P., Benzoni, G., Boston, A. J., Boston, H. C., Bracco, A., Cederwall, B, Ciemala, M., de France, G., Domingo-Pardo, C., Eberth, J., Gadea, A., González, V., Gottardo, A., Harkness-Brennan, L. J., Hess, H., Judson, D. S., Jungclaus, A., Lenzi, S. M., Leoni, S., Menegazzo, R., Mengoni, D., Michelagnoli, C., Napoli, D. R., Nyberg, J., Podolyak, Zs., Pullia, A., Recchia, F., Reiter, P., Rezynkina, K., Salsac, M. D., Sanchis, E., Şenyiğit, M., Siciliano, M., Simpson, J., Sohler, D., Stezowski, O., Valiente-Dobón, J. J., and Verney, D.

Subjects
Nuclear Experiment
Abstract

The Zirconium (Z = 40) isotopic chain has attracted interest for more than four decades. The abrupt lowering of the energy of the first $2^+$ state and the increase in the transition strength B(E2; $2_1^\rightarrow 0_1^+$ going from $^{98}$Zr to $^{100}$Zr has been the first example of "quantum phase transition" in nuclear shapes, which has few equivalents in the nuclear chart. Although a multitude of experiments have been performed to measure nuclear properties related to nuclear shapes and collectivity in the region, none of the measured lifetimes were obtained using the Recoil Distance Doppler Shift method in the $\gamma\gamma$-coincidence mode where a gate on the direct feeding transition of the state of interest allows a strict control of systematical errors. This work reports the results of lifetime measurements for the first yrast excited states in $^{98-104}$Zr carried out to extract reduced transition probabilities. The new lifetime values in $\gamma\gamma$-coincidence and $\gamma$-single mode are compared with the results of former experiments. Recent predictions of the Interacting Boson Model with Configuration Mixing, the Symmetry Conserving Configuration Mixing model based on the Hartree-Fock-Bogoliubov approach and the Monte Carlo Shell Model are presented and compared with the experimental data.

Published
2024
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3. Low-lying structure of 15C: Information on the N=8 shell gap

Author

Lois-Fuentes J., Fernández-Domínguez B., Pereira-López X., Delaunay F., Catford W.N., Matta A., Orr N.A., Duguet T., Otsuka T., Somà V., Sorlin O., Suzuki T., Achouri N.L., Assié M., Bailey S., Bastin B., Blumenfeld Y., Borcea R., Caamaño M., Caceres L., Clément E., Corsi A., Curtis N., Deshayes Q., Farget F., Fisichella M., de France G., Franchoo S., Freer M., Gibelin J., Gillibert A., Grinyer G. F., Hammache F., Kamalou O., Knapton A., Kokalova Tz., Lapoux V., Le Crom B., Leblond S., Marqués F.M., Morfouace P., Pancin J., Perrot L., Piot J., Pollacco E., Ramos D., Regueira-Castro D., Rodríguez-Tajes C., Roger T., Rotaru F., Sénoville M., de Séréville N., Smith R., Stanoiu M., Stefan I., Stodel C., Suzuki D., Thomas J.C., Timofeyuk N., Vandebrouck M., Walshe J., and Wheldon C.

Subjects
Physics, QC1-999
Abstract

The low-lying structure of 15C has been investigated via the neutron-removal d(16C, t) reaction. The experiment was performed at GANIL using a secondary 16C beam produced by fragmentation in the LISE spectrometer at 17.2 MeV/nucleon with an intensity of 5 × 104 pps and 100% purity. The angle and energy of the light ejectile were detected by three MUST2 telescopes. The missing mass technique was used to reconstruct the excitation energy of 15C. In this spectrum, two bound states were observed (gs and the first excited state) and two unbound resonant states above the neutron separation threshold (S n = 1.218 MeV). From the differential cross sections, information on the angular momentum of the transferred nucleon and spectroscopic factors were deduced. The excitation energies and the deduced spectroscopic factors of the negative parity states placed above the neutron separation energy are an important measurement of the 2p-1h configurations in 15C. Our results show good agreement with shell-model calculations with the YSOX interaction and show a sensitivity to the N=8 shell gap.

Published
2023
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4. The β-decay of 71Kr: Precise measurement of the half-life

Author

Vitéz-Sveiczer A., Algora A., Kiss G.G., Rubio B., Morales A.I., Sarriguren P., de Angelis G., Recchia F., Nishimura S., Agramunt J., Guadilla V., Montaner-Pizá A., Orrigo S.E.A., Horváth Á., Napoli D., Lenzi S., Boso A., Phong V., Wu J., Söderström P.-A., Sumikama T., Suzuki H., Takeda H., Ahn D.S., Baba H., Doornenbal P., Fukuda N., Inabe N., Isobe T., Kubo T., Kubono S., Sakurai H., Shimizu Y., Sidong C., Blank B., Ascher P., Gerbaux M., Goigoux T., Giovinazzo J., Grévy S., Kurtukián Nieto T., Magron C., Gelletly W., Dombrádi Zs., Fujita Y., Tanaka M., Aguilera P., Molina F., Eberth J., Diel F., Lubos D., Borcea C., Ganioglu E., Nishimura D., Oikawa H., Takei Y., Yagi S., Korten W., de France G., Davies P., Liu J., Lee J., Lokotko T., Kojouharov I., Kurz N., Shaffner H., and Petrovici A.

Subjects
Physics, QC1-999
Abstract

The very proton-rich 71Kr isotope was produced through the in-flight fragmentation of 78Kr on a beryllium target at RIKEN – Nishina Center in order to study its β-decay properties. A stack of double-sided silicon strip detectors, called WAS3ABi, was used as the decay station, where the detection of ion implants, β-decays and β-delayed protons took place. Beta-delayed γ-rays were measured using a system of 84 HPGe detectors, called EURICA, surrounding the decay station. The main goal of the present study was the precise measurement of the half-life of 71Kr, as in the literature there is an almost 10 σ difference between the most precise independent results. Implant–β time correlations, implant–proton time correlations and implant–β–γ time correlations were all used to derive the half-life value, followed by a thorough investigation of systematic uncertainties for each method. As these values were found to be consistent, the weighted average t1/2 = 94.40+19ms is reported as a new half-life value in this work. Furthermore a total of 26 previously unreported γ following the β-decay of 71Kr were also identified in the analysis.

Published
2023
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5. Particle Identification at VAMOS++ with Machine Learning Techniques

Author

Cho, Y., Kim, Y. H., Choi, S., Park, J., Bae, S., Hahn, K. I., Son, Y., Navin, A., Lemasson, A., Rejmund, M., Ramos, D., Ackermann, D., Utepov, A., Fourgeres, C., Thomas, J. C., Goupil, J., Fremont, G., de France, G., Watanabe, Y. X., Hirayama, Y., Jeong, S., Niwase, T., Miyatake, H., Schury, P., Rosenbusch, M., Chae, K., Kim, C., Kim, S., Gu, G. M., Kim, M. J., John, P., Andreyev, A. N., Korten, W., Recchia, F., de Angelis, G., Vidal, R. M. Pérez, Rezynkina, K., Ha, J., Didierjean, F., Marini, P., Treasa, D., Tsekhanovich, I., Dudouet, J., Bhattacharyya, S., Mukherjee, G., Banik, R., Bhattacharya, S., and Mukai, M.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

Multi-nucleon transfer reaction between 136Xe beam and 198Pt target was performed using the VAMOS++ spectrometer at GANIL to study the structure of n-rich nuclei around N=126. Unambiguous charge state identification was obtained by combining two supervised machine learning methods, deep neural network (DNN) and positional correction using a gradient-boosting decision tree (GBDT). The new method reduced the complexity of the kinetic energy calibration and outperformed the conventional method, improving the charge state resolution by 8%

Published
2023
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6. Lifetime measurement in neutron-rich A~100 nuclei

Author

Ansari S., Régis J-M., Jolie J., Saed-Samii N., Warr N., Korten W., Zielińska M., Salsac M.-D., Blanc A., Jentschel M., Köster U., Mutti P., Soldner T., Simpson G.S., Drouet F., Vancraeyenest A., de France G., Clément E., Stezowski O., Ur C.A., Urban W., Regan P.H., Podolyák Zs., Larijani C., Townsley C., Carroll R., Wilson E., Mach H., Fraile L.M., Paziy V., Olaizola B., Vedia V., Bruce A.M., Roberts O.J., Smith J.F., Scheck M., Kröll T., Hartig A.-L., Ignatov A., Ilieva S., Lalkovski S., Mărginean N., Otsuka T., Shimizu N., Togashi T., and Tsunoda Y.

Subjects
Physics, QC1-999
Abstract

Lifetimes of excited states of the 98;100;102Zr nuclei were measured by using the Generalized Centroid Difference Method. The nuclei of interest were populated via neutron-induced fission of 241Pu and 235U during the EXILL-FATIMA campaign. The obtained lifetimes were used to calculate the B(E2) transition strengths and β deformation parameters which were then compared with the recent theoretical predictions obtained with Monte Carlo Shell Model.

Published
2018
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7. The γ-γ fast-timing technique and the EXILL&FATIMA campaign

Author

Régis J.-M., Simpson G.S., Mach H., Blanc A., Jentschel M., Köster U., Mutti P., Soldner T., de France G., Ur C.A., Urban W., Jolie J., Saed-Samii N., Warr N., Fraile L.M., Paziy V., Regan P.H., Podolyák Zs., Lalkovski S., Bruce A.M., Kröll T., Korten W., and Marginean N.

Subjects
Physics, QC1-999
Abstract

At the Institut Laue-Langevin in Grenoble, germanium-gated γ-γ fast-timing lifetime measurements of nuclear excited states in neutron-rich nuclei have been performed within a prompt γ-ray spectroscopy experimental campaign. We report on results obtained from the cold-neutron induced fission of 235U. The excited secondary fission products were stopped almost instantaneously within the thick target and the γ rays emitted were collected triggerlessly using the EXILL&FATIMA mixed array of HPGe and LaBr3(Ce) detectors. Precise lifetimes could be determined by analysing the γ-γ time difference spectra using the generalized centroid difference method. This picosecondsensitive method provides many advantages and is briefly explained. Still, the major source of systematic errors is related to the contribution of time-correlated Compton background. The EXILL&FATIMA results are discussed with respect to the typical energy-dependent timing behaviour of the background. According to the time response of the background, appropriate methods and a time correction for the sub-nanosecond regime are proposed.

Published
2018
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8. Excited States and Collectivity in 88Se

Author

Simpson G., Grachev I., Thiamova G., Ramdhane M., Sieja K., Blanc A., Jentschel M., Köster U., Mutti P., Soldner T., de France G., Ur C.A., and Urban W.

Subjects
Physics, QC1-999
Abstract

The γ decays of excited states in the very neutron-rich nucleus 88Se have been observed following the cold neutron-induced fission of 235U at the PF1B facility of the Institut Laue-Langevin (ILL), Grenoble. The EXILL array was used to measure γ - γ - γ coincidences, which were then analysed to build a level scheme of 88Se. A low (2+1) energy hints at the onset of quadrupole deformation and the identification of possible members of a (2+2) band provide evidence for γ vibrations. Shell-model calculations using a 78Ni core reproduce the experimental decay scheme well, implying that interactions between particles in the π f5/2 p and vsd orbits are responsible for much of the collectivity present. The algebraic collective model has also been used to interpret the experimental data, showing that that the experimental spectrum is consistent with 88Se being a transitional nucleus, possessing weak static β deformation and γ instability.

Published
2018
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9. Excitation-energy influence at the scission configuration

Author

Ramos D., Rodríguez-Tajes C., Caamaño M., Farget F., Audouin L., Benlliure J., Casarejos E., Clement E., Cortina D., Delaune O., Derkx X., Dijon A., Doré D., Fernández-Domínguez B., de France G., Heinz A., Jacquot B., Navin A., Paradela C., Rejmund M., Roger T., Salsac M.-D., and Schmitt C.

Subjects
Physics, QC1-999
Abstract

Transfer- and fusion-induced fission in inverse kinematics was proven to be a powerful tool to investigate nuclear fission, widening the information of the fission fragments and the access to unstable fissioning systems with respect to other experimental approaches. An experimental campaign for fission investigation has being carried out at GANIL with this technique since 2008. In these experiments, a beam of 238U, accelerated to 6.1 MeV/u, impinges on a 12C target. Fissioning systems from U to Cf are populated through transfer and fusion reactions, with excitation energies that range from few MeV up to 46 MeV. The use of inverse kinematics, the SPIDER telescope, and the VAMOS spectrometer permitted the characterization of the fissioning system in terms of mass, nuclear charge, and excitation energy, and the isotopic identification of the full fragment distribution. The neutron excess, the total neutron multiplicity, and the even-odd staggering in the nuclear charge of fission fragments are presented as a function of the excitation energy of the fissioning system. Structure effects are observed at Z∼50 and Z∼55, where their impact evolves with the excitation energy.

Published
2017
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11. Dependence of Fission-Fragment Properties On Excitation Energy For Neutron-Rich Actinides

Author

Ramos D., Rodríguez-Tajes C., Caamaño M., Farget F., Audouin L., Benlliure J., Casarejos E., Clement E., Cortina D., Delaune O., Derkx X., Dijon A., Doré D., Fernández-Domínguez B., de France G., Heinz A., Jacquot B., Navin A., Paradela C., Rejmund M., Roger T., Salsac M.D., and Schmitt C.

Subjects
Physics, QC1-999
Abstract

Experimental access to full isotopic fragment distributions is very important to determine the features of the fission process. However, the isotopic identification of fission fragments has been, in the past, partial and scarce. A solution based on the use of inverse kinematics to study transfer-induced fission of exotic actinides was carried out at GANIL, resulting in the first experiment accessing the full identification of a collection of fissioning systems and their corresponding fission fragment distribution. In these experiments, a 238U beam at 6.14 AMeV impinged on a carbon target to produce fissioning systems from U to Am by transfer reactions, and Cf by fusion reactions. Isotopic fission yields of 250Cf, 244Cm, 240Pu, 239Np and 238U are presented in this work. With this information, the average number of neutrons as a function of the atomic number of the fragments is calculated, which reflects the impact of nuclear structure around Z=50, N=80 on the production of fission fragments. The characteristics of the Super Long, Standard I, Standard II, and Standard III fission channels were extracted from fits of the fragment yields for different ranges of excitation energy. The position and contribution of the fission channels as function of excitation energy are presented.

Published
2016
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12. The Generalized Centroid Difference method for lifetime measurements via γ-γ coincidences using large fast-timing arrays

Author

Régis J.-M., Jolie J., Mach H., Simpson G.S., Blazhev A., Pascovici G., Pfeiffer M., Rudigier M., Saed-Samii N., Warr N., Blanc A., de France G., Jentschel M., Köster U., Mutti P., Soldner T., Ur C.A., Urban W., Bruce A.M., Drouet F., Fraile L.M., Ilieva S., Korten W., Kröll T., Lalkovski S., Mărginean S., Paziy V., Podolyák Zs., Regan P.H., Stezowski O., and Vancraeyenest A.

Subjects
Physics, QC1-999
Abstract

A novel method for direct electronic “fast-timing” lifetime measurements of nuclear excited states via γ-γ coincidences using an array equipped with N very fast high-resolution LaBr3(Ce) scintillator detectors is presented. The generalized centroid difference method provides two independent “start” and “stop” time spectra obtained without any correction by a superposition of the N(N – 1)/2 calibrated γ-γ time difference spectra of the N detector fast-timing system. The two fast-timing array time spectra correspond to a forward and reverse gating of a specific γ-γ cascade and the centroid difference as the time shift between the centroids of the two time spectra provides a picosecond-sensitive mirror-symmetric observable of the set-up. The energydependent mean prompt response difference between the start and stop events is calibrated and used as a single correction for lifetime determination. These combined fast-timing array mean γ-γ zero-time responses can be determined for 40 keV < Eγ < 1.4 MeV with a precision better than 10 ps using a 152Eu γ-ray source. The new method is described with examples of (n,γ) and (n,f,γ) experiments performed at the intense cold-neutron beam facility PF1B of the Institut Laue-Langevin in Grenoble, France, using 16 LaBr3(Ce) detectors within the EXILL&FATIMA campaign in 2013. The results are discussed with respect to possible systematic errors induced by background contributions.

Published
2015
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13. Fission studies by prompt gamma-ray spectrometry

Author

Materna T., Letourneau A., Amouroux Ch., Marchix A., Litaize O., Sérot O., Regnier D., Blanc A., Jentschel M., Köster U., Mutti P., Soldner T., Simpson G., Leoni S., de France G., and Urban W.

Subjects
Physics, QC1-999
Abstract

The feasibility of retrieving accurate fission observables with a Ge-detector array around a fissile target placed in a cold neutron beam was tested. In three measurement campaigns performed at ILL with the EXILL setup, 235U and 241Pu targets were placed in the high flux cold neutron beam available at the PF1B neutron guide. Gamma-rays following fission were detected by an array of 16 Ge detectors. In the following study, part of data was analyzed as a proof of principle. A set of yields belonging to the Kr-Ba pair were extracted using a gamma-gamma coincidence technique. Preliminary results were compared to the predictions of two phenomenological models: GEF and FIFRELIN.

Published
2015
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14. The (n,γ) campaigns at EXILL

Author

Jolie J., Régis J.-M., Wilmsen D., Ahmed S., Pfeiffer M., Saed-Samii N., Warr N., Blanc A., Jentschel M., Köster U., Mutti P., Soldner T., Simpson G., De France G., Urban W., Drouet F., Vancraeyenest A., Baczyk P., Czerwinski M., Korgul A., Mazzocchi C., Rzaca-Urban T., Bruce A., Roberts O.J., Fraile L.M., Mach H., Paziy V., Ignatov A., Ilieva S., Kröll Th., Scheck M., Thürauf M., Ivanova D., Kisyov S., Lalkovski S., Podolyák Zs., Regan P.H., Korten W., Zielinska M., Salsac M.D., Habs D., Thirolf P.G., Ur C. A., Bernards C., Casten R.F., Cooper N., Werner V., Cakirli R.B., Leoni S., Benzoni G., Bocchi G., Bottoni S., Crespi F.C.L., Fornal B., Cieplicka N., Szpak B., Petrache C.M., Leguillon R., John R., Lorenz C., Massarczyk R., Schwengner R., Curien D., Lozeva R., Sengele L., Marginean N., and Lica R.

Subjects
Physics, QC1-999
Abstract

At the PF1B cold neutron beam line at the Institut Laue Langevin, the EXILL array consisting of EXOGAM, GASP and ILL-Clover detectors was used to perform (n,γ) measurements at very high coincidence rates. About ten different reactions were measured in autumn 2012 using a highly collimated cold neutron beam. In spring 2013, the EXOGAM array was combined with 16 LaBr3(Ce) scintillators in the EXILL&FATIMA campaign for the measurement of lifetimes using the generalised centroid difference method. We report on the properties of the set-ups and present first results from both campaigns.

Published
2015
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15. High precision γ spectroscopy of 69,71Zn from (n, γ) reactions using EXILL

Author

Bączyk P., Czerwiński M., Korgul A., Rząca-Urban T., Urban W., Blanc A., Jentschel M., Mutti P., Köster U., Soldner T., de France G., Simpson G., and Ur C.A.

Subjects
Physics, QC1-999
Abstract

Measurement of γ radiation following slow neutron capture on 68Zn and 70Zn using very efficient germanium array EXILL was done at Institute Laue-Langevin in Grenoble. New spectroscopic information for 69Zn (including doorway state) and first results for 71Zn (accurate energy of β decaying isomer) were obtained. Binding energies for 68Zn, 69Zn and 71Zn were determined with 5-to-70 times higher accuracy than presented in the literature.

Published
2015
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16. Neutron-capture experiment on 77Se with EXILL at ILL Grenoble

Author

Lorenz Ch., John R., Massarczyk R., Schwengner R., Blanc A., de France G., Jentschel M., Köster U., Mutti P., Simpson G., Soldner T., Urban W., Valenta S., and Belgya T.

Subjects
Physics, QC1-999
Abstract

The neutron capture reaction at 77Se has been studied with cold neutrons in the course of the EXILL campaign at the high-flux reactor of the Institut Laue-Langevin Grenoble. A simulation of the detector array with Geant4 has been accomplished and evaluated. The detector response has been deduced and measured spectra were unfolded, which have been compared with simulations using γDex to determine strength functions.

Published
2015
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17. From EXILL (EXogam at the ILL) to FIPPS (FIssion Product Prompt γ-ray Spectrometer)

Author

Blanc A., Chebboubi A., de France G., Drouet F., Faust H., Jentschel M., Kessedjian G., Köster U., Leoni S., Materna T., Mutti P., Panebianco S., Sage C., Simpson G., Soldner T., Ur C. A., Urban W., and Vancraeyenest A.

Subjects
Physics, QC1-999
Abstract

Within the EXILL campaign a large and efficient cluster of Ge-detectors was installed around a very well collimated neutron beam. This has allowed to carry out rather complete spectroscopic studies close to the line of stability using the (n,γ) reaction. Neutron rich isotopes were produced by neutron induced fission and prompt spectroscopy was carried out. The isotope selection in this setup was based on a partially known level scheme and the use of triple coincidences. The latter is limiting the statistical sensitivity in the case of weak production yields. Based on the experiences of these campaigns we are currently developing a new setup: FIPPS (FIssion Product Prompt Spectroscopy). This setup combines a collimated neutron beam, a highly efficient cluster of Ge detectors, a gas filled magnet and auxiliary detectors. The presence of the gas filled magnet will allow us to identify fission products directly and should give access to a new quality of studies if compared to the EXILL campaign. The EXILL campaign and the FIPPS project are presented.

Published
2015
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18. Study of the multi-nucleon transfer reactions of 136Xe + 198Pt for producing exotic heavy nuclei

Author

Kim Y. H., Watanabe Y. X., Hirayama Y., Imai N., Ishiyama H., Jeong S. C., Miyatake H., Choi S., Song J., Clement E., de France G., Navin A., Rejmund M., Schmitt C., Pollarolo G., Corradi L., Fioretto E., Montanari D., Niikura M., Suzuki D., Nishibata H., and Takatsu J.

Subjects
Physics, QC1-999
Abstract

The feasibility of the multi-nucleon transfer (MNT) reaction in the 136Xe +198Pt system was investigated for synthesizing neutron-rich heavy nuclei around mass number A∼200 of astrophysical interest. Identification of the projectile-like fragments (PLF’s) was successfully performed by using VAMOS++ spectrometer. The isotopic distributions of the PLF’s produced by two-proton stripping and pickup reactions were compared with each other, demonstrating the properties of the MNT reactions observed in the present system. The two-proton pickup channels strongly populated than the twoproton stripping channels were observed. The isotopic distributions for different total kinetic energy loss (TKEL) ranges are also discussed. The overall enhancement of the strength of the two-proton pickup compared with the two-proton stripping appears to be related to the MNT reactions with relatively moderate energy dissipation.

Published
2014
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19. Spectroscopy of neutron rich nuclei using cold neutron induced fission of actinide targets at the ILL: the EXILL campaign

Author

de France G., Blanc A., Drouet F., Jentschel M., Köster U., Mutti P., Régis J.M., Simpson G., Soldner T., Stezowski O., Ur C.A., Urban W., and Vancrayenest A.

Subjects
Physics, QC1-999
Abstract

A combination of germanium detectors has been installed at the PF1B neutron guide of the ILL to perform the prompt spectroscopy of neutron-rich nuclei produced in the neutron-capture induced-fission of 235U and 241Pu. In addition LaBr3 detectors from the FATIMA collaboration have been installed in complement with the EXOGAM clovers to measure lifetimes of low-lying excited states. The measured characteristics and online spectra indicate very good performances of the overall setup.

Published
2014
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20. Lifetime measurements on fission fragments in the A ∼ 100 region

Author

Grente L., Salsac M.-D., Korten W., Görgen A., Hagen T. W., Braunroth T., Bruyneel B., Celikovic I., Clément E., Delaune O., Dijon A., Drouart A., Ertürk S., Farget F., de France G., Gottardo A., Hackstein M., Jacquot B., Libert J., Litzinger J., Ljungvall J., Louchart C., Michelagnoli C., Napoli D.R., Navin A., Pillet N., Pipidis A., Recchia F., Rejmund M., Rother W., Sahin E., Schmitt C., Siem S., Sulignano B., Valiente-Dobon J.J., and Zell K.O.

Subjects
Physics, QC1-999
Abstract

Lifetimes of first 4+ and 6+ states have been measured in neutron-rich isotopes of Zr, Mo, Ru and Pd using the recoil distance Doppler shift method at GANIL. The nuclei were produced through a fusion-fission reaction in inverse kinematics. The fission fragments were fully identified in the large-acceptance VAMOS spectrometer and γ-rays were detected in coincidence with the EXOGAM germanium array. Lifetimes of excited states in the range of 1–100 ps were measured with the Cologne plunger. Preliminary lifetime results are presented as well as a discussion on the evolution of the collectivity in this region.

Published
2013
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21. Onset of collectivity in neutron-rich Sr and Kr isotopes: Prompt spectroscopy after Coulomb excitation at REX-ISOLDE, CERN

Author

Clément E., Görgen A., Dijon A., de France G., Bastin B., Blazhev A., Bree N., Butler P., Delahaye P., Ekstrom A., Georgiev G., Hasan N., Iwanicki J., Jenkins D., Korten W., Larsen A.C., Ljungvall J., Moschner K., Napiorkowski P., Pakarinen J., Petts A., Renstrom T., Seidlitz M., Siem S., Sotty C., Srebrny J., Stefanescu I., Tveten G.M., Van de Walle J., Warr N., Wrzosek-Lipska K., Zielińska M., Bauer C., Bruyneel B., Butterworth J., Fitzpatrick C., Fransen C., Gernhäuser R., Hess H., Lutter R., Marley P., Reiter P., Siebeck B., Vermeulen M., Wiens A., and De Witte H.

Subjects
Physics, QC1-999
Abstract

A rapid onset of quadrupole deformation is known to occur around the neutron number 60 in the neutron-rich Zr and Sr isotopes. This shape change has made the neutron-rich A = 100 region an active area of experimental and theoretical studies for many decades now. We report in this contribution new experimental results in the neutron rich 96,98Sr investigated by safe Coulomb excitation of radioactive beams at the REX-ISOLDE facility, CERN. Reduced transition probabilities and spectroscopic quadrupole moments have been extracted from the differential Coulomb excitation cross section supporting the scenario of shape coexistence/change at N = 60. Future perspectives are presented including the recent experimental campaign performed at ILL-Grenoble.

Published
2013
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22. Spectroscopy of neutron rich nuclei using cold neutron induced fission of actinide targets at the ILL: The EXILL campaign

Author

Blanc A., de France G., Drouet F., Jentschel M., Köster U., Mancuso C., Mutti P., Régis J.M., Simpson G., Soldner T., Ur C.A., Urban W., and Vancraeyenest A.

Subjects
Physics, QC1-999
Abstract

One way to explore exotic nuclei is to study their structure by performing γ-ray spectroscopy. At the ILL, we exploit a high neutron flux reactor to induce the cold fission of actinide targets. In this process, fission products that cannot be accessed using standard spontaneous fission sources are produced with a yield allowing their detailed study using high resolution γ-ray spectroscopy. This is what was pursued at the ILL with the EXILL (for EXOGAM at the ILL) campaign. In the present work, the EXILL setup and performance will be presented.

Published
2013
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23. Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions

Author

Ciemala, M., Ziliani, S., Crespi, F. C. L., Leoni, S., Fornal, B., Maj, A., Bednarczyk, P., Benzoni, G., Bracco, A., Boiano, C., Bottoni, S., Brambilla, S., Bast, M., Beckers, M., Braunroth, T., Camera, F., Cieplicka-Orynczak, N., Clement, E., Coelli, S., Dorvaux, O., Erturk, S., De France, G., Fransen, C., Goldkuhle, A., Grebosz, J., Harakeh, M. N., Iskra, L. W., Jacquot, B., Karpov, A., Kicinska-Habior, M., Kim, Y. -H., Kmiecik, M., Lemasson, A., Lenzi, S. M., Lewitowicz, M., Li, H., Matea, I., Mazurek, K., Michelagnoli, C., Matejska-Minda, M., Million, B., Muller-Gatermann, C., Nanal, V., Napiorkowski, P., Napoli, D. R., Palit, R., Rejmund, M., Schmitt, Ch., Stanoiu, M., Stefan, I., Vardaci, E., Wasilewska, B., Wieland, O., Zieblinski, M., and Zielinska, M.

Subjects
Nuclear Experiment
Abstract

A novel Monte Carlo technique has been developed to determine lifetimes of excited states in the tens-to-hundreds femtoseconds range. The method is applied to low-energy heavy-ion binary reactions populating nuclei with complex velocity distributions. Its relevance is demonstrated in connection with the $^{18}$O(7.0 MeV/u) + $^{181}$Ta experiment, performed at GANIL with the AGATA+VAMOS+PARIS setup, to study neutron-rich O, C, N, ... nuclei. Excited states in $^{17}$O and $^{19}$O, with known lifetimes, are used to validate the method over the $\sim$20-400 fs lifetime-sensitivity range. Emphasis is given to the unprecedented position resolution provided by $\gamma$-tracking arrays, which turns out to be essential for reaching the required accuracy in Doppler-shift correction, at the basis of the detailed analysis of $\gamma$-ray lineshape and resulting state lifetime determination. The technique is anticipated to be an important tool for lifetime investigations in exotic neutron-rich nuclei, produced with intense ISOL-type beams.

Published
2020
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24. Low-lying single-particle structure of 17C and the N = 14 sub-shell closure

Author

Pereira-López, X., Fernández-Domínguez, B., Delaunay, F., Achouri, N. L., Orr, N. A., Catford, W. N., Assié, M., Bailey, S., Bastin, B., Blumenfeld, Y., Borcea, R., Caamaño, M., Caceres, L., Clément, E., Corsi, A., Curtis, N., Deshayes, Q., Farget, F., Fisichella, M., de France, G., Franchoo, S., Freer, M., Gibelin, J., Gillibert, A., Grinyer, G. F., Hammache, F., Kamalou, O., Knapton, A., Kokalova, T., Lapoux, V., Lay, J. A., Crom, B. Le, Leblond, S., Lois-Fuentes, J., Marqués, F. M., Matta, A., Morfouace, P., Moro, A. M., Otsuka, T., Pancin, J., Perrot, L., Piot, J., Pollacco, E., Ramos, D., Rodríguez-Tajes, C., Roger, T., Rotaru, F., Sénoville, M., de Séréville, N., Smith, R., Sorlin, O., Stanoiu, M., Stefan, I., Stodel, C., Suzuki, D., Suzuki, T., Thomas, J. C., Timofeyuk, N., Vandebrouck, M., Walshe, J., and Wheldon, C.

Subjects
Nuclear Experiment
Abstract

The first investigation of the single-particle structure of the bound states of 17C, via the d(16C, p) transfer reaction, has been undertaken. The measured angular distributions confirm the spin-parity assignments of 1/2+ and 5/2+ for the excited states located at 217 and 335 keV, respectively. The spectroscopic factors deduced for these states exhibit a marked single-particle character, in agreement with shell model and particle-core model calculations, and combined with their near degeneracy in energy provide clear evidence for the absence of the N = 14 sub-shell closure. The very small spectroscopic factor found for the 3/2+ ground state is consistent with theoretical predictions and indicates that the {\nu}1d3/2 strength is carried by unbound states. With a dominant l = 0 valence neutron configuration and a very low separation energy, the 1/2+ excited state is a one-neutron halo candidate., Comment: 7 pages, 5 figures, Accepted for publication in Physics Letters B

Published
2020
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25. Shape evolution in even-mass 98-104γγZr isotopes via lifetime measurements using the 98-104γγ-coincidence technique

Author

Pasqualato, G., Ansari, S., Heines, J. S., Modamio, V., Görgen, A., Korten, W., Ljungvall, J., Clément, E., Dudouet, J., Lemasson, A., Rodríguez, T. R., Allmond, J. M., Arici, T., Beckmann, K. S., Bruce, A. M., Doherty, D., Esmaylzadeh, A., Gamba, E. R., Gerhard, L., Gerl, J., Georgiev, G., Ivanova, D. P., Jolie, J., Kim, Y.-H., Knafla, L., Korichi, A., Koseoglou, P., Labiche, M., Lalkovski, S., Lauritsen, T., Li, H.-J., Pedersen, L. G., Pietri, S., Ralet, D., Regis, J. M., Rudigier, M., Saha, S., Sahin, E., Siem, S., Singh, P., Söderström, P.-A., Theisen, C., Tornyi, T., Vandebrouck, M., Witt, W., Zielińska, M., Barrientos, D., Bednarczyk, P., Benzoni, G., Boston, A. J., Boston, H. C., Bracco, A., Cederwall, B., Ciemała, M., de France, G., Domingo-Pardo, C., Eberth, J., Gadea, A., González, V., Gottardo, A., Harkness-Brennan, L. J., Hess, H., Judson, D. S., Jungclaus, A., Lenzi, S. M., Leoni, S., Menegazzo, R., Mengoni, D., Michelagnoli, C., Napoli, D. R., Nyberg, J., Podolyák, Zs., Pullia, A., Recchia, F., Reiter, P., Rezynkina, K., Salsac, M. D., Sanchis, E., Şenyiğit, M., Siciliano, M., Simpson, J., Sohler, D., Stezowski, O., Valiente-Dobón, J. J., and Verney, D.

Published
2023
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27. Shape coexistence and isospin symmetry in $A=70$ nuclei: Spectroscopy of the $T_z = -1$ nucleus $^{70}$Kr

Author

Wimmer, K., Korten, W., Arici, T., Doornenbal, P., Aguilera, P., Algora, A., Ando, T., Baba, H., Blank, B., Boso, A., Chen, S., Corsi, A., Davies, P., de Angelis, G., de France, G., Doherty, D., Gerl, J., Gernhäuser, R., Jenkins, D., Koyama, S., Motobayashi, T., Nagamine, S., Niikura, M., Obertelli, A., Lubos, D., Rubio, B., Sahin, E., Saito, T., Sakurai, H., Sinclair, L., Steppenbeck, D., Taniuchi, R., Wadsworth, R., and Zielinska, M.

Subjects
Nuclear Experiment
Abstract

Excited states in the $T_z=-1$ nucleus $^{70}$Kr have been populated using inelastic scattering of a radioactive $^{70}$Kr beam as well as one- and two-neutron removal reactions from $^{71,72}$Kr at intermediate beam energies. The level scheme of $^{70}$Kr was constructed from the observed $\gamma$-ray transitions and coincidences. Tentative spin and parity assignments were made based on comparison with the mirror nucleus $^{70}$Se. A second $2^+$ state and a candidate for the corresponding $4^+_2$ state suggest shape coexistence in $^{70}$Kr., Comment: accepted Phys. Lett. B

Published
2018
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29. Search for Superscreening effect in Superconductor

Author

Ujic, P., Santos, F. de Oliveira, Lewitowicz, M., Achouri, L., Assié, M., Bastin, B., Borcea, C., Borcea, R., Buta, A., Coc, A., De France, G., Kamalou, O., Kiener, J., Lepailleur, A., Meot, V., Pautrat, A., Laurent, M. G. Saint, Sorlin, O., Stanoiu, M., and Tatischef, V.

Subjects
Nuclear Experiment
Abstract

The decay of $^{19}$O($\beta^-$) and $^{19}$Ne($\beta^+$) implanted in niobium in its superconducting and metallic phase was measured using purified radioactive beams produced by the SPIRAL/GANIL facility. Half-lives and branching ratios measured in the two phases are consistent within one-sigma error bar. This measurement casts strong doubts on the predicted strong electron screening in superconductor, the so-called superscreening. The measured difference in screening potential energy is 110(90) eV for $^{19}$Ne and 400(320) eV for $^{19}$O. Precise determinations of the half-lives were obtained for $^{19}$O: 26.476(9) s and $^{19}$Ne: 17.254(5) s., Comment: 4 pages, 3 figures, accepted for publication in Physical Review Letters

Published
2012
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30. Neutron detection and [formula omitted]-ray suppression using artificial neural networks with the liquid scintillators BC-501A and BC-537

Author

Söderström, P.-A., Jaworski, G., Valiente Dobón, J.J., Nyberg, J., Agramunt, J., de Angelis, G., Carturan, S., Egea, J., Erduran, M.N., Ertürk, S., de France, G., Gadea, A., Goasduff, A., González, V., Hadyńska-Klȩk, K., Hüyük, T., Modamio, V., Moszynski, M., Di Nitto, A., Palacz, M., Pietralla, N., Sanchis, E., Testov, D., Triossi, A., and Wadsworth, R.

Published
2019
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32. Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions

Author

Ciemała, M., Ziliani, S., Crespi, F. C. L., Leoni, S., Fornal, B., Maj, A., Bednarczyk, P., Benzoni, G., Bracco, A., Boiano, C., Bottoni, S., Brambilla, S., Bast, M., Beckers, M., Braunroth, T., Camera, F., Cieplicka-Oryńczak, N., Clément, E., Coelli, S., Dorvaux, O., Erturk, S., De France, G., Fransen, C., Goldkuhle, A., Grębosz, J., Harakeh, M. N., Iskra, Ł. W., Jacquot, B., Karpov, A., Kicińska-Habior, M., Kim, Y.-H., Kmiecik, M., Lemasson, A., Lenzi, S. M., Lewitowicz, M., Li, H., Matea, I., Mazurek, K., Michelagnoli, C., Matejska-Minda, M., Million, B., Müller-Gatermann, C., Nanal, V., Napiorkowski, P., Napoli, D. R., Palit, R., Rejmund, M., Schmitt, Ch., Stanoiu, M., Stefan, I., Vardaci, E., Wasilewska, B., Wieland, O., Ziębliński, M., and Zielińska, M.

Published
2021
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33. Conceptual design of the AGATA [formula omitted] array at GANIL

Author

Clément, E., Michelagnoli, C., de France, G., Li, H.J., Lemasson, A., Barthe Dejean, C., Beuzard, M., Bougault, P., Cacitti, J., Foucher, J.-L., Fremont, G., Gangnant, P., Goupil, J., Houarner, C., Jean, M., Lefevre, A., Legeard, L., Legruel, F., Maugeais, C., Ménager, L., Ménard, N., Munoz, H., Ozille, M., Raine, B., Ropert, J.A., Saillant, F., Spitaels, C., Tripon, M., Vallerand, Ph., Voltolini, G., Korten, W., Salsac, M.-D., Theisen, Ch., Zielińska, M., Joannem, T., Karolak, M., Kebbiri, M., Lotode, A., Touzery, R., Walter, Ch., Korichi, A., Ljungvall, J., Lopez-Martens, A., Ralet, D., Dosme, N., Grave, X., Karkour, N., Lafay, X., Legay, E., Kojouharov, I., Domingo-Pardo, C., Gadea, A., Pérez-Vidal, R.M., Civera, J.V., Birkenbach, B., Eberth, J., Hess, H., Lewandowski, L., Reiter, P., Nannini, A., De Angelis, G., Jaworski, G., John, P., Napoli, D.R., Valiente-Dobón, J.J., Barrientos, D., Bortolato, D., Benzoni, G., Bracco, A., Brambilla, S., Camera, F., Crespi, F.C.L., Leoni, S., Million, B., Pullia, A., Wieland, O., Bazzacco, D., Lenzi, S.M., Lunardi, S., Menegazzo, R., Mengoni, D., Recchia, F., Bellato, M., Isocrate, R., Egea Canet, F.J., Didierjean, F., Duchêne, G., Baumann, R., Brucker, M., Dangelser, E., Filliger, M., Friedmann, H., Gaudiot, G., Grapton, J.-N., Kocher, H., Mathieu, C., Sigward, M.-H., Thomas, D., Veeramootoo, S., Dudouet, J., Stézowski, O., Aufranc, C., Aubert, Y., Labiche, M., Simpson, J., Burrows, I., Coleman-Smith, P.J., Grant, A., Lazarus, I.H., Morrall, P.S., Pucknell, V.F.E., Boston, A., Judson, D.S., Lalović, N., Nyberg, J., Collado, J., González, V., Kuti, I., Nyakó, B.M., Maj, A., and Rudigier, M.

Published
2017
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34. Lifetimes of core-excited states in semi-magic 95Rh

Author

Ertoprak, A., Qi, C., Cederwall, B., Doncel, M., Jakobsson, U., Nyakó, B. M., Jaworski, G., Davies, P., de France, G., Kuti, I., Napoli, D. R., Wadsworth, R., Ghugre, S. S., Raut, R., Akkus, B., Al Azri, H., Algora, A., de Angelis, G., Atac, A., Bäck, T., Boso, A., Clément, E., Debenham, D. M., Dombrádi, Zs., Ertürk, S., Gadea, A., Ghazi Moradi, F., Gottardo, A., Hüyük, T., Ideguchi, E., Li, H., Michelagnoli, C., Modamio, V., Nyberg, J., Palacz, M., Petrache, C. M., Recchia, F., Sandzelius, M., Siciliano, M., Sohler, D., Timár, J., Valiente-Dobón, J. J., and Xiao, Z. G.

Published
2020
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35. Shape coexistence revealed in the N=Z72 isotope N=Z72Kr through inelastic scattering

Author

Wimmer, K., Arici, T., Korten, W., Doornenbal, P., Delaroche, J.-P., Girod, M., Libert, J., Rodríguez, T. R., Aguilera, P., Algora, A., Ando, T., Baba, H., Blank, B., Boso, A., Chen, S., Corsi, A., Davies, P., de Angelis, G., de France, G., Doherty, D. T., Gerl, J., Gernhäuser, R., Goigoux, T., Jenkins, D., Kiss, G., Koyama, S., Motobayashi, T., Nagamine, S., Niikura, M., Nishimura, S., Obertelli, A., Lubos, D., Phong, V. H., Rubio, B., Sahin, E., Saito, T. Y., Sakurai, H., Sinclair, L., Steppenbeck, D., Taniuchi, R., Vaquero, V., Wadsworth, R., Wu, J., and Zielinska, M.

Published
2020
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37. Digital pulse-timing technique for the neutron detector array NEDA

Author

Modamio, V., Valiente-Dobón, J.J., Jaworski, G., Hüyük, T., Triossi, A., Egea, J., Di Nitto, A., Söderström, P.-A., Agramunt Ros, J., de Angelis, G., de France, G., Erduran, M.N., Ertürk, S., Gadea, A., González, V., Kownacki, J., Moszynski, M., Nyberg, J., Palacz, M., Sanchis, E., and Wadsworth, R.

Published
2015
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38. Test of the SO(6) selection rule in 196Pt using cold-neutron capture

Author

Jolie, J., Régis, J.-M., Wilmsen, D., Saed-Samii, N., Pfeiffer, M., Warr, N., Blanc, A., Jentschel, M., Köster, U., Mutti, P., Soldner, T., Simpson, G.S., De France, G., Urban, W., Drouet, F., Vancraeyenest, A., Bruce, A.M., Roberts, O.J., Fraile, L.M., Paziy, V., Ignatov, A., Kröll, Th., Ivanova, D., Kisyov, S., Lalkovski, S., Podolyak, Zs., Regan, P.H., Wilson, E., Korten, W., Ur, C.A., Lica, R., and Marginean, N.

Published
2015
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39. Prompt-delayed γ -ray spectroscopy with AGATA, EXOGAM and VAMOS++

Author

Kim, Y. H., Lemasson, A., Rejmund, M., Navin, A., Biswas, S., Michelagnoli, C., Stefan, I., Banik, R., Bednarczyk, P., Bhattacharya, S., Bhattacharyya, S., Clément, E., Crawford, H. L., De France, G., Fallon, P., Goupil, J., Jacquot, B., Li, H. J., Ljungvall, J., Macchiavelli, A. O., Maj, A., Ménager, L., Morel, V., Palit, R., Pérez-Vidal, R. M., Ropert, J., and Schmitt, C.

Published
2017
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40. Half-life determination of Tz = -1 and Tz = - β decay of 58Zn

Author

Kucuk, L., Orrigo, S. E. A., Montaner-Pizá, A., Rubio, B., Fujita, Y., Gelletly, W., Blank, B., Oktem, Y., Adachi, T., Algora, A., Ascher, P., Cakirli, R. B., de France, G., Fujita, H., Ganioğlu, E., Giovinazzo, J., Grévy, S., Marqués, F. M., Molina, F., de Oliveira Santos, F., Perrot, L., Raabe, R., Srivastava, P. C., Susoy, G., Tamii, A., and Thomas, J. C.

Published
2017
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42. Germanium-gated γ–γ fast timing of excited states in fission fragments using the EXILL&FATIMA spectrometer

Author

Régis, J.-M., Simpson, G.S., Blanc, A., de France, G., Jentschel, M., Köster, U., Mutti, P., Paziy, V., Saed-Samii, N., Soldner, T., Ur, C.A., Urban, W., Bruce, A.M., Drouet, F., Fraile, L.M., Ilieva, S., Jolie, J., Korten, W., Kröll, T., Lalkovski, S., Mach, H., Mărginean, N., Pascovici, G., Podolyak, Zs., Regan, P.H., Roberts, O.J., Smith, J.F., Townsley, C., Vancraeyenest, A., and Warr, N.

Published
2014
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43. Beta Decay Study of the [formula omitted]56Zn Nucleus and the Determination of the Half-Lives of a Few fp-shell Nuclei

Author

Rubio, B., Orrigo, S.E.A., Kucuk, L., Montaner-Pizá, A., Fujita, Y., Fujita, H., Blank, B., Gelletly, W., Adachi, T., Agramunt, J., Algora, A., Ascher, P., Bilgier, B., Cáceres, L., Cakirli, R.B., de France, G., Ganioğlu, E., Gerbaux, M., Giovinazzo, J., Grevy, S., Kamalou, O., Kozer, H.C., Kurtukian-Nieto, T., Marqués, F.M., Molina, F., Oktem, Y., de Oliveira Santos, F., Perrot, L., Popescu, L., Raabe, R., Rogers, A.M., Srivastava, P.C., Susoy, G., Suzuki, T., Tamii, A., and Thomas, J.C.

Published
2014
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45. Musett: A segmented Si array for Recoil-Decay-Tagging studies at VAMOS

Author

Theisen, Ch., Jeanneau, F., Sulignano, B., Druillole, F., Ljungvall, J., Paul, B., Virique, E., Baron, P., Bervas, H., Clément, E., Delagnes, E., Dijon, A., Dossat, E., Drouart, A., Farget, F., Flouzat, Ch., De France, G., Görgen, A., Houarner, Ch., Jacquot, B., Korten, W., Lebertre, G., Lecornu, B., Legeard, L., Lermitage, A., Lhenoret, S., Marry, C., Maugeais, C., Menager, L., Meunier, O., Navin, A., Nizery, F., Obertelli, A., Rauly, E., Raine, B., Rejmund, M., Ropert, J., Saillant, F., Savajols, H., Schmitt, Ch., Tripon, M., Wanlin, E., and Wittwer, G.

Published
2014
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47. M1 and E2 transition rates from core-excited states in semi-magic 94Ru

Author

Ertoprak, A., Cederwall, B., Qi, C., Doncel, M., Jakobsson, U., Nyakó, B. M., Jaworski, G., Davies, P., de France, G., Kuti, I., Napoli, D. R., Wadsworth, R., Ghugre, S. S., Raut, R., Akkus, B., Al Azri, H., Algora, A., de Angelis, G., Atac, A., Bäck, T., Boso, A., Clément, E., Debenham, D. M., Dombrádi, Zs., Ertürk, S., Gadea, A., Ghazi Moradi, F., Gottardo, A., Hüyük, T., Ideguchi, E., Li, H., Michelagnoli, C., Modamio, V., Nyberg, J., Palacz, M., Petrache, C. M., Recchia, F., Sandzelius, M., Siciliano, M., Timár, J., Valiente-Dobón, J. J., and Xiao, Z. G.

Published
2018
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48. Lifetimes of excited states in triaxially deformed 107Tc and 109,111,113Rh

Author

Hagen, T. W., Görgen, A., Korten, W., Grente, L., Salsac, M. -D., Farget, F., Braunroth, T., Bruyneel, B., Celikovic, I., Clément, E., de France, G., Delaune, O., Dewald, A., Dijon, A., Hackstein, M., Jacquot, B., Litzinger, J., Ljungvall, J., Louchart, C., Michelagnoli, C., Napoli, D. R., Recchia, F., Rother, W., Sahin, E., Siem, S., Sulignano, B., Theisen, Ch., and Valiente-Dobon, J. J.

Published
2018
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49. Study of collisions of 136Xe + 198Pt for the KEK isotope separator

Author

Watanabe, Y.X., Hirayama, Y., Imai, N., Ishiyama, H., Jeong, S.C., Miyatake, H., Clement, E., de France, G., Navin, A., Rejmund, M., Schmitt, C., Pollarolo, G., Corradi, L., Fioretto, E., Montanari, D., Choi, S.H., Kim, Y.H., Song, J.S., Niikura, M., Suzuki, D., Nishibata, H., and Takatsu, J.

Published
2013
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50. Structure of the [formula omitted] As, Ge, Ga nuclei

Author

Sahin, E., de Angelis, G., Duchene, G., Faul, T., Gadea, A., Lisetskiy, A.F., Ackermann, D., Algora, A., Aydin, S., Azaiez, F., Bazzacco, D., Benzoni, G., Bostan, M., Byrski, T., Celikovic, I., Chapman, R., Corradi, L., Courtin, S., Curien, D., Pramanik, U. Datta, Didierjean, F., Dorvaux, O., Erduran, M.N., Erturk, S., Farnea, E., Fioretto, E., de France, G., Franchoo, S., Gall, B., Gottardo, A., Guiot, B., Haas, F., Ibrahim, F., Ince, E., Khouaja, A., Kusoglu, A., La Rana, G., Labiche, M., Lebhertz, D., Lenzi, S., Leoni, S., Lunardi, S., Mason, P., Mengoni, D., Michelagnoli, C., Modamio, V., Montagnoli, G., Montanari, D., Moro, R., Mouginot, B., Napoli, D.R., OʼDonnell, D., Oliveira, J.R.B., Ollier, J., Orlandi, R., Pollarolo, G., Recchia, F., Robin, J., Salsac, M.-D., Scarlassara, F., Singh, R.P., Silvestri, R., Smith, J.F., Stefan, I., Stefanini, A.M., Subotic, K., Szilner, S., Tonev, D., Torres, D.A., Trotta, M., Ujic, P., Ur, C., Valiente-Dobón, J.J., Verney, D., Yalcinkaya, M., Wady, P.T., Wiedemann, K.T., and Zuber, K.

Published
2012
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