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12 results on '"Gamba, E.R."'

1. Conceptual design of the AGATA 2[formula omitted] array at LNL

Author

Valiente-Dobón, J.J., Menegazzo, R., Goasduff, A., Agguiaro, D., Aguilera, P., Angelini, F., Balogh, M., Bazzacco, D., Benito, J., Benzoni, G., Bez, N., Bolognesi, M., Bottoni, S., Brugnara, D., Carollo, S., Cocconi, P., Cogo, A., Collado, J., Crespi, F.C.L., Ertoprak, A., Escudeiro, R., Galtarossa, F., Gamba, E.R., Gambalonga, A., Servín, B. Góngora, Gottardo, A., Gozzelino, A., Gulmini, M., Huang, Z., Marchi, T., Mengoni, D., Modanese, P., Napoli, D.R., Pellumaj, J., Pérez-Vidal, R.M., Pigliapoco, S., Pilotto, E., Ramina, L., Rampazzo, M., Raniero, W., Rebeschini, M., Rezynkina, K., Rosso, D., Scarcioffolo, M., Scarpa, D., Sedlák, M., Smith, R., Toniolo, N., Veronese, F., Volpe, V., Zago, L., Zanon, I., Zhang, G., Abels, R., Allegrini, M.L., Aufranc, C., Baulieu, G., Belkhiria, C., Benettoni, M., Benini, D., Bentley, M., Biasotto, M., Blaizot, M., Miquel, J. Blasco, Boiano, C., Boston, A., Boston, H., Boujrad, A., Bourgault, P., Bracco, A., Brambilla, S., Burrows, I., Camera, F., Capra, S., Capsoni, A., Cash, R., Civera, J.V., Clément, E., Coelli, S., Cordwell, M., Corradi, L., Coudert, S., De Angelis, G., De Ruvo, L., Debras, G., Del Fabbro, M., Diklić, J., Dosme, N., Duchene, G., Duclos, B., Dudouet, J., Eberth, J., Elloumi, S., Everett, C., Fantinel, S., Fillinger, M., Fioretto, E., Fransen, C., Gadea, A., Gibelin, L., González, V., Goupil, J., Görgen, C., Grant, A., Green, K., Ha, J., Hartnett, T., Henseler, K., Hess, H., Hirsch, R., Houarner, C., Jacob, J., Joannem, T., Judson, D.S., Karkour, N., Karolak, M., Kebbiri, M., Kieffer, J., Labiche, M., Lafay, X., Le Jeannic, P., Lefevre, A., Legay, E., Legruel, F., Lenzi, S., Leoni, S., Linget, D., Liptrot, M., López-Martens, A., Lotodé, A., Manara, L., Ménager, L., Mijatović, T., Million, B., Minarello, A., Montagnoli, G., Morrall, P., Mullacrane, I., Nyberg, J., Philippon, G., Polettini, M., Popieul, F., Pullia, A., Recchia, F., Reiter, P., Richardt, G., Rocchini, M., Roger, A., Saillant, F., Sanchis, E., Laskar, Md.S.R., Secci, G., Sigward, M.-H., Simpson, J., Solenne, N., Spee, F., Stefanini, A.M., Stézowski, O., Szilner, S., Templeton, N., Theisen, Ch., Thiel, S., Tomasi, F., Tzvetkov, S., Vigano, D., Viscione, E., Wieland, O., Wimmer, K., Wittwer, G., and Zielińska, M.

Published
2023
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3. The GALILEO [formula omitted]-ray array at the Legnaro National Laboratories

Author

Goasduff, A., Mengoni, D., Recchia, F., Valiente-Dobón, J.J., Menegazzo, R., Benzoni, G., Barrientos, D., Bellato, M., Bez, N., Biasotto, M., Blasi, N., Boiano, C., Boso, A., Bottoni, S., Bracco, A., Brambilla, S., Brugnara, D., Camera, F., Capra, S., Capsoni, A., Cocconi, P., Coelli, S., Cortés, M.L., Crespi, F.C.L., de Angelis, G., Egea, F.J., Fanin, C., Fantinel, S., Gadea, A., Gamba, E.R., Gambalonga, A., Gesmundo, C., Gosta, G., Gottardo, A., Gozzelino, A., Gregor, E.T., Gulmini, M., Ha, J., Hadyńska-Klȩk, K., Illana, A., Isocrate, R., Jaworski, G., John, P.R., Lenzi, S.M., Leoni, S., Lunardi, S., Magalini, M., Marchini, N., Million, B., Modamio, V., Nannini, A., Napoli, D.R., Pasqualato, G., Pellumaj, J., Pérez-Vidal, R.M., Pigliapoco, S., Polettini, M., Porzio, C., Pullia, A., Ramina, L., Rampazzo, G., Rampazzo, M., Rebeschini, M., Rezynkina, K., Rocchini, M., Romanato, M., Rosso, D., Saltarelli, A., Scarcioffolo, M., Siciliano, M., Testov, D.A., Tomasella, D., Tomasi, F., Toniolo, N., Ur, C.A., Ventura, S., Veronese, F., Viscione, E., Volpe, V., Wieland, O., Zanon, I., Ziliani, S., Zhang, G., and Bazzacco, D.

Published
2021
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4. FATIMA — FAst TIMing Array for DESPEC at FAIR

Author

Rudigier, M., Podolyák, Zs., Regan, P.H., Bruce, A.M., Lalkovski, S., Canavan, R.L., Gamba, E.R., Roberts, O., Burrows, I., Cullen, D.M., Fraile, L.M., Gerhard, L., Gerl, J., Gorska, M., Grant, A., Jolie, J., Karayonchev, V., Kurz, N., Korten, W., Lazarus, I.H., Nita, C.R., Pucknell, V.F.E., Régis, J.-M., Schaffner, H., Simpson, J., Singh, P., Townsley, C.M., Smith, J.F., and Vesic, J.

Published
2020
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5. A time-of-flight correction procedure for fast-timing data of recoils with varying implantation positions at a spectrometer focal plane

Author

Mallaburn, M.J., Nara Singh, B.S., Cullen, D.M., Hodge, D., Taylor, M.J., Giles, M.M., Barber, L., Niţă, C.R., Mihai, R.E., Mihai, C., Mărginean, R., Mărginean, N., Nobs, C.R., Gamba, E.R., Bruce, A.M., Scholey, C., Rahkila, P., Greenlees, P.T., Badran, H., Grahn, T., Neuvonen, O., Auranen, K., Bisso, F., Cox, D.M., Herzáň, A., Julin, R., Konki, J., Lightfoot, A.K., Pakarinen, J., Papadakis, P., Partanen, J., Sandzelius, M., Sarén, J., Sorri, J., Stolze, S., Uusitalo, J., Regan, P.H., Podolyák, Zs., Lalkovski, S., Smith, J.F., and Smolen, M.

Published
2019
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7. Fast-timing measurements in neutron-rich odd-mass zirconium isotopes using LaBr3:Ce detectors coupled with Gammasphere

Author

Gamba E.R., Lalkovski S., Rudigier M., Bruce A.M., Bottoni S., Carpenter M.P., Zhu S., Ayangeakaa A.D., Anderson J.T., Berry T.A., Burrows I., Carroll R.J., Copp P., Carmona Gallardo M., Cullen D.M., Daniel T., Greene J.P., Gurgi L.A., Hartley D.J., Ilieva R., Ilieva S., Janssens R.V.F., Kondev F.G., Kröll T., Lane G.J., Lauritsen T., Lazarus I., Lotay G., Fernández Martínez G., Podolyák Zs., Pucknell V., Reed M., Regan P.H., Rohrer J., Sethi J., Seweryniak D., Shand C.M., Simpson J., Smolen M., Stefanova E.A., Vedia V., and Yordanov O.

Subjects
Physics, QC1-999
Abstract

A fast-timing experiment was performed at the Argonne National Laboratory to measure the lifetimes of the lowest lying states of nuclei belonging to the deformed regions around mass number A≃110 and A≃150. These regions were populated via spontaneous fission of 252Cf and the gamma radiation following the decay of excited states in the fission fragments was measured using 51 Gammasphere detectors coupled with 25 LaBr3:Ce detectors. A brief description of the acquisition system and some preliminary results from the fast-timing analysis of the fission fragment 100Zr are presented. The lifetime value of τ = 840(65) ps was found for the 2+ state in 100Zr consistent within one standard deviation of the adopted value with 791 +26 -35ps. This is associated with a quadrupole deformation parameter of 0.36(2) which is within one standard deviation of the literature value of 0.3556+82 -57.

Published
2018
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8. Decay studies in the A∼225 Po-Fr region from the DESPEC campaign at GSI in 2021

Author

Polettini, M., Pellumaj, J., Benzoni, G., Valiente-Dobón, J.J., Zhang, G., Mengoni, D., Vidal, R.M.Perez, Genna, D., Bracco, A., Aggez, G., Ahmed, U., Aktas, Ö., Aqueel, M.Al, Alayed, B., Albers, H.M., Algora, A., Alhomaidhi, S., Appleton, C., Arici, T., Armstrong, M., Arnswald, K., Balogh, M., Banerjee, A., Garcıa, J.Benito, Blazhev, A., Bottoni, S., Boutachkov, P., Bruce, A., Bruno, C., Camera, F., Cederwall, B., Chishti, M.M.R., Cortés, M.L., Cox, D.M., Crespi, F.C.L., Das, B., Davinson, T., Angelis, G.De, Dickel, T., Doncel, M., Donthi, R., Ertoprak, A., Escudeiro, R., Esmaylzadeh, A., Fraile, L.M., Gaffney, L., Gamba, E.R., Gerl, J., Górska, M., Gottardo, A., Ha, J., Haettner, E., Hall, O., Heggen, H., Hrabar, Y., Hubbard, N., Jazrawi, S., John, P.R., Jolie, J., Jones, C., Joss, D., Judson, D., Kahl, D., Karayonchev, V., Kazantseva, E., Kern, R., Knafla, L., Kojouharov, I., Korgul, A., Korten, W., Koseoglou, P., Kosir, G., Kostyleva, D., Kurtukian-Nieto, T., Kurz, N., Kuzminchuk, N., Labiche, M., Lenzi, S., Leoni, S., Expósito, M.Llanos, Lozeva, R., Mertzimekis, T.J., Mikolajczuk, M., Million, B., Mistry, A.K., Morales, A., Mukha, I., Murias, J.R., Napoli, D., Singh, B.S.Nara, O'Donnell, D., Orrigo, S.E.A., Page, R., Pelonis, S., Petrovic, J., Pietralla, N., Pietri, S., Pigliapoco, S., Podolyak, Zs., Porzio, C., Arnes, B.Quintana, Recchia, F., Regan, P.H., Régis, J.M., Reiter, P., Rezynkina, K., Roy, P., Rudigier, M., Ruotsalainen, P., Sahin, E., Sarmiento, L.G., Satrazani, M.M., Schaffner, H., Scheidenberger, C., Sexton, L., Sharma, A., Smallcombe, J., Söderström, P.A., Sood, A., Vasileiou, P., Vesic, J., Vilhena, J., Waring, L., Weick, H., Werner, V., Wiederhold, J., Wieland, O., Wimmer, K., Wollersheim, H.J., Woods, P., Yaneva, A., Zanon, I., Zhao, J., Zidarova, R., Ziliani, S., Zimba, G., Zyriliou, A., Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, 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), 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), Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon

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

International audience; The HISPEC-DESPEC collaboration aims at investigating the structure of exotic nuclei formed in fragmentation reactions with decay spectroscopymeasurements, as part of the FAIR Phase-0 campaign at GSI. This paper reportson first results of an experiment performed in spring 2021, with a focus on β-decaystudies in the Po-Fr nuclei in the 220

Published
2021
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9. Three beta-decaying states in In and In resolved for the first time using Penning-trap techniques

Author

Nesterenko, D.A., Kankainen, A., Kostensalo, J., Nobs, C.R., Bruce, A.M., Beliuskina, O., Canete, L., Eronen, T., Gamba, E.R., Geldhof, S., de Groote, R., Jokinen, A., Kurpeta, J., Moore, I.D., Morrison, L., Podolyák, Zs., Pohjalainen, I., Rinta-Antila, S., de Roubin, A., Rudigier, M., Suhonen, J., Vilén, M., Virtanen, V., and Äystö, J.

Abstract

Isomeric states in $^{128}$In and $^{130}$In have been studied with the JYFLTRAP Penning trap at the IGISOL facility. By employing state-of-the-art ion manipulation techniques, three different beta-decaying states in $^{128}$In and $^{130}$In have been separated and their masses measured. JYFLTRAP was also used to select the ions of interest for identification at a post-trap decay spectroscopy station. A new beta-decaying high-spin isomer feeding the 15− isomer in $^{128}$Sn has been discovered in $^{128}$In at 1797.6(20) keV. Shell-model calculations employing a CD-Bonn potential re-normalized with the perturbative G-matrix approach suggest this new isomer to be a 16+ spin-trap isomer. In $^{130}$In, the lowest-lying (10−) isomeric state at 58.6(82) keV was resolved for the first time using the phase-imaging ion cyclotron resonance technique. The energy difference between the 10− and 1− states in $^{130}$In, stemming from parallel/antiparallel coupling of (π0g9/2−1)⊗(ν0h11/2−1), has been found to be around 200 keV lower than predicted by the shell model. Precise information on the energies of the excited states determined in this work is crucial for producing new improved effective interactions for the nuclear shell model description of nuclei near $^{132}$Sn.

Published
2020

10. Fast-timing measurements in the ground-state band of Pd 114

Author

Rohrer, J., Regan, P.H., Ayangeakaa, A.D., Gurgi, L.A., Berry, T.A., Sethi, J., Carpenter, M.P., Bruce, A.M., Carmona Gallardo, M., Vedia, V., Lauritsen, T., Greene, J.P., Shand, C.M., Anderson, J.T., Rudigier, M., Ilieva, S., Copp, P., Lazarus, I., Smoleń, M., Simpson, J., Kondev, F.G., Pucknell, V., Gamba, E.R., Kröll, T., Yordanov, O., Niţǎ, C.R., Stefanova, E.A., Reed, M., Lalkovski, S., Fernández Martínez, G., Seweryniak, D., Ilieva, R., Hartley, D.J., Daniel, T., Lotay, G., Bottoni, S., Cullen, D.M., Burrows, I., Zhu, S., Lane, G.J., Carroll, R.J., and Podolyák, Z.

Abstract

Using a hybrid Gammasphere array coupled to 25 LaBr3(Ce) detectors, the lifetimes of the first three levels of the yrast band in Pd114, populated via Cf252 decay, have been measured. The measured lifetimes are τ2+=103(10)ps, τ4+=22(13)ps, and τ6+≤10ps for the 21+, 41+, and 61+ levels, respectively. Palladium-114 was predicted to be the most deformed isotope of its isotopic chain, and spectroscopic studies have suggested it might also be a candidate nucleus for low-spin stable triaxiality. From the lifetimes measured in this work, reduced transition probabilities B(E2;J→J-2) are calculated and compared with interacting boson model, projected shell model, and collective model calculations from the literature. The experimental ratio RB(E2)=B(E2;41+→21+)/B(E2;21+→01+)=0.80(42) is measured for the first time in Pd114 and compared with the known values RB(E2) in the palladium isotopic chain: the systematics suggest that, for N=68, a transition from γ-unstable to a more rigid γ-deformed nuclear shape occurs.

Published
2019
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11. Fast-timing measurements in neutron-rich odd-mass zirconium isotopes using LaBr3:Ce detectors coupled with Gammasphere.

Author

Köster, U., Gamba, E.R., Lalkovski, S., Rudigier, M., Bruce, A.M., Bottoni, S., Carpenter, M.P., Zhu, S., Ayangeakaa, A.D., Anderson, J.T., Berry, T.A., Burrows, I., Carroll, R.J., Copp, P., Carmona Gallardo, M., Cullen, D.M., Daniel, T., Greene, J.P., Gurgi, L.A., and Hartley, D.J.

Subjects
*ZIRCONIUM isotopes, *NUCLEAR counters, *GAMMA rays, *QUADRUPOLES, *RADIOACTIVE decay
Abstract

A fast-timing experiment was performed at the Argonne National Laboratory to measure the lifetimes of the lowest lying states of nuclei belonging to the deformed regions around mass number A≃110 and A≃150. These regions were populated via spontaneous fission of 252Cf and the gamma radiation following the decay of excited states in the fission fragments was measured using 51 Gammasphere detectors coupled with 25 LaBr3:Ce detectors. A brief description of the acquisition system and some preliminary results from the fast-timing analysis of the fission fragment 100Zr are presented. The lifetime value of τ = 840(65) ps was found for the 2+ state in 100Zr consistent within one standard deviation of the adopted value with 791 +26-35ps. This is associated with a quadrupole deformation parameter of 0.36(2) which is within one standard deviation of the literature value of 0.3556+82-57. [ABSTRACT FROM AUTHOR]

Published
2018

12. Three beta-decaying states in 128In and 130In resolved for the first time using Penning-trap techniques.

Author

Nesterenko, D.A., Kankainen, A., Kostensalo, J., Nobs, C.R., Bruce, A.M., Beliuskina, O., Canete, L., Eronen, T., Gamba, E.R., Geldhof, S., de Groote, R., Jokinen, A., Kurpeta, J., Moore, I.D., Morrison, L., Podolyák, Zs., Pohjalainen, I., Rinta-Antila, S., de Roubin, A., and Rudigier, M.

Subjects
*CYCLOTRON resonance, *EXCITED state energies, *NUCLEAR shell theory
Abstract

Isomeric states in 128In and 130In have been studied with the JYFLTRAP Penning trap at the IGISOL facility. By employing state-of-the-art ion manipulation techniques, three different beta-decaying states in 128In and 130In have been separated and their masses measured. JYFLTRAP was also used to select the ions of interest for identification at a post-trap decay spectroscopy station. A new beta-decaying high-spin isomer feeding the 15 − isomer in 128Sn has been discovered in 128In at 1797.6 (20) keV. Shell-model calculations employing a CD-Bonn potential re-normalized with the perturbative G-matrix approach suggest this new isomer to be a 16 + spin-trap isomer. In 130In, the lowest-lying (10 −) isomeric state at 58.6 (82) keV was resolved for the first time using the phase-imaging ion cyclotron resonance technique. The energy difference between the 10 − and 1 − states in 130In, stemming from parallel/antiparallel coupling of (π 0 g 9 / 2 − 1) ⊗ (ν 0 h 11 / 2 − 1) , has been found to be around 200 keV lower than predicted by the shell model. Precise information on the energies of the excited states determined in this work is crucial for producing new improved effective interactions for the nuclear shell model description of nuclei near 132Sn. [ABSTRACT FROM AUTHOR]

Published
2020
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