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1. Comprehensive design and whole-cavity simulation of a multi-beam inductive output tube using a 3rd harmonic drive on the grid

Author

Freund, H. P., Bui, T., Ives, R. L., Habermann, T., and Read, M.

Subjects
Physics - Accelerator Physics
Abstract

In this paper, we discuss the design and whole-cavity simulation of a Multi-Beam Inductive Output Tube (MBIOT) that uses a 3rd harmonic component to the drive voltage on the grid. High-efficiency inductive output tubes (IOTs) are typically characterized by efficiencies up to 70 - 75%. However, the achievement of efficiencies greater than 80% would substantially reduce the operating costs of next-generation accelerators. To achieve this goal, we consider the addition of a 3rd harmonic component to the drive signal on the grid. We anticipate that the MBIOT will be used to provide the rf power to drive RF linacs. We discuss and model an 8-beam MBIOT with a 700 MHz resonant cavity using beams with a voltage of 35 kV and an average current of 7.25 A yielding a perveance of about 1.1 microP. We simulate this MBIOT using the NEMESIS simulation code which has been extended using a three-dimensional Poisson solver based upon the Petsc package from Argonne National Laboratory. The effect of the 3rd harmonic on the efficiency is greatest when the phase of the 3rd harmonic is shifted by pi radians with respect to the fundamental drive signal and with 3rd harmonic powers greater than about 50% of the fundamental drive power. For the present example, we show that efficiencies approaching 82% are possible. Designs for the MBIOT input coupler, grids and output cavity have been developed based on these simulations and will be discussed., Comment: 12 pages, 30 figures

Published
2023

2. Scanning of a Double-Sided Germanium Strip Detector

Author

Sharma Arzoo, Palit R., Kojouharov I., Gerl J., Gorska-Ott M., Schaffner H., Habermann T., Saha S., Das Biswajit, Dey P., Donthi R., Naidu B.S., Mandal S., and Singh Pushpendra P.

Subjects
double-sided strip detector, positron annihilation correlation, position sensitive detector, pulse shape analysis, Physics, QC1-999
Abstract

This work presents the results from the characterization of a Position-Sensitive Planar Germanium (PSPGe) detector. The PSPGe detector is a double-sided orthogonal strip detector consisting of 10x10 electrical segmentation along the horizontal and vertical directions. The characterization was performed using the coincidence setup between the PSPGe detector and the well-characterized scanning system employing the positron annihilation correlation principle. The scanning system consists of a Position Sensitive Detector (PSD) and 22Na positron source. The main objective of this study is to deploy PSPGe detector for future decay experiments at the Facility for Antiproton and Ion Research (FAIR), Germany. The measurements have been performed to find the depth of gamma-ray interaction in the planar segmented detector. The 2-Dimensional image obtained from the PSD has been used to find the depth of gamma-ray interaction in the planar strip detector using pulse shape analysis. In addition, the sensitivity of PSPGe detector has been investigated by calculating the rise-time from pulse shapes for the front and back strips of the detector.

Published
2021
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3. New Isomers in the Neutron-Rich Region Beyond 208Pb

Author

Gottardo A., Valiente-Dobón J.J., Benzoni G., Gadea A., Lunardi S., Boutachkov P., Bruce A.M., Górska M., Grebosz J., Pietri S., Podolyák Zs., Pfützner M., Regan P.H., Weick H., Núñez J. Alcántara, Algora A., Al-Dahan N., Angelis G. de, Ayyad Y., Alkhomashi N., Allegro P.R.P., Bazzacco D., Benlliure J., Bowry M., Bracco A., Bunce M., Camera F., Casarejos E., Cortes M.L., Crespi F.C.L., Corsi A., Bacelar A.M. Denis, Deo A.Y., Domingo-Pardo C., Doncel M., Dombradi Zs., Engert T., Eppinger K., Farrelly G.F., Farinon F., Farnea E., Geissel H., Gerl J., Goel N., Gregor E., Habermann T., Hoischen R., Janik R., John P. R., Klupp S., Kojouharov I., Kurz N., Lenzi S.M., Leoni S., Mandal S., Menegazzo R., Mengoni D., Million B., Modamio V., Morales A.I., Napoli D.R., Naqvi F., Nicolini R., Nociforo C., Prochazka A., Prokopowicz W., Recchia F., Ribas R.V., Reed M.W., Rudolph D., Sahin E., Schaffner H., Sharma A., Sitar B., Siwal D., Steiger K., Strmen P., Swan T.P.D., Szarka I., Ur C.A., Walker P.M., Wieland O., and Wollersheim H-J.

Subjects
Physics, QC1-999
Abstract

The region of neutron-rich nuclei beyond 208Pb has been very difficult to explore due to its high mass and exoticity. However, recent experimental improvements allowed one to perform a quite extended isomer decay spectroscopy of these nuclei.

Published
2014
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4. On the Road to FAIR: 1st Operation of AGATA in PreSPEC at GSI

Author

Pietralla N., Reese M, Cortes M.L., Ameil F., Bazzacco D., Bentley M.A., Boutachkov P., Domingo-Pardo C., Gadea A., Gerl J., Goel N., Golubev P., Górska M., Guastalla G., Habermann T., Kojouharov I., Korten W., Merchán E., Pietri S., Ralet D., Reiter P., Rudolph D., Schaffner H., Singh P.P., Wieland O., and Wollersheim H.J.

Subjects
Physics, QC1-999
Abstract

The Facility for Antiproton and Ion Research (FAIR), under construction at Darmstadt will provide intense relativistic beams of exotic nuclei at its Superconducting-FRagment Separator. High-resolution in-beam γ-ray spectroscopy will be performed in the HISPEC experiment, using the European Advanced GAmma-ray Tracking Array (AGATA). The PreSPEC-AGATA campaign is the predecessor of HISPEC and runs from 2012 to 2014 at GSI Helmholtzzentrum für Schwerionenforschung GmbH. Up to19 AGATA modules were used at GSI's F Ragment Separator in 2012. We report on the status of the experiment including preliminary results from performance commissioning.

Published
2014
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5. Manifestation of the Berry phase in the atomic nucleus $^{213}$Pb

Author

Valiente-Dobón, J. J., Gottardo, A., Benzoni, G., Gadea, A., Lunardi, S., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, P., Bracco, A., Bruce, A. M., Camera, F., Casarejos, E., Cortés, M. L., Crespi, F. C. L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goel, N., Górska, M., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S. M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A. I., Napoli, D. R., Naqvi, F., Nociforo, C., Pfutzner, M., Pietri, S., Podolyak, Zs., Prochazka, A., Recchia, F., Regan, P. H., Rudolph, D., Sahin, E., Scha_ner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, P., Szarka, I., Ur, C. A., Walker, P. M., Weick, H., Wieland, O., Wollersheim, H-J., and Van Isacker, P.

Subjects
Nuclear Experiment, Nuclear Theory
Abstract

The neutron-rich $^{213}$Pb isotope was produced in the fragmentation of a primary 1 GeV $A$ $^{238}$U beam, separated in FRS in mass and atomic number, and then implanted for isomer decay $\gamma$-ray spectroscopy with the RISING setup at GSI. A newly observed isomer and its measured decay properties indicate that states in $^{213}$Pb are characterized by the seniority quantum number that counts the nucleons not in pairs coupled to angular momentum $J=0$. The conservation of seniority is a consequence of the Berry phase associated with particle-hole conjugation, which becomes gauge invariant and therefore observable in semi-magic nuclei where nucleons half-fill the valence shell. The $\gamma$-ray spectroscopic observables in $^{213}$Pb are thus found to be driven by two mechanisms, particle-hole conjugation and seniority conservation, which are intertwined through the Berry phase.

Published
2020
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7. New \(\gamma \)-ray Scanner for Tracking Arrays

Author

Tiwari, K., primary, Sharma, A., additional, Gerl, J., additional, Kojouharov, I., additional, Herrmann, P., additional, Schaffner, H., additional, Aggez, G., additional, Albers, H.M., additional, Habermann, T., additional, Das, B, additional, and Singh, P.P., additional

Published
2024
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8. AGATA - Advanced Gamma Tracking Array

Author

Akkoyun, S., Algora, A., Alikhani, B., Ameil, F., de Angelis, G., Arnold, L., Astier, A., Ataç, A., Aubert, Y., Aufranc, C., Austin, A., Aydin, S., Azaiez, F., Badoer, S., Balabanski, D. L., Barrientos, D., Baulieu, G., Baumann, R., Bazzacco, D., Beck, F. A., Beck, T., Bednarczyk, P., Bellato, M., Bentley, M. A., Benzoni, G., Berthier, R., Berti, L., Beunard, R., Bianco, G. Lo, Birkenbach, B., Bizzeti, P. G., Bizzeti-Sona, A. M., Blanc, F. Le, Blasco, J. M., Blasi, N., Bloor, D., Boiano, C., Borsato, M., Bortolato, D., Boston, A. J., Boston, H. C., Bourgault, P., Boutachkov, P., Bouty, A., Bracco, A., Brambilla, S., Brawn, I. P., Brondi, A., Broussard, S., Bruyneel, B., Bucurescu, D., Burrows, I., Bürger, A., Cabaret, S., Cahan, B., Calore, E., Camera, F., Capsoni, A., Carrió, F., Casati, G., Castoldi, M., Cederwall, B., Cercus, J. -L., Chambert, V., Chambit, M. El, Chapman, R., Charles, L., Chavas, J., Clément, E., Cocconi, P., Coelli, S., Coleman-Smith, P. J., Colombo, A., Colosimo, S., Commeaux, C., Conventi, D., Cooper, R. J., Corsi, A., Cortesi, A., Costa, L., Crespi, F. C. L., Cresswell, J. R., Cullen, D. M., Curien, D., Czermak, A., Delbourg, D., Depalo, R., Descombes, T., Désesquelles, P., Detistov, P., Diarra, C., Didierjean, F., Dimmock, M. R., Doan, Q. T., Domingo-Pardo, C., Doncel, M., Dorangeville, F., Dosme, N., Drouen, Y., Duchêne, G., Dulny, B., Eberth, J., Edelbruck, P., Egea, J., Engert, T., Erduran, M. N., Ertürk, S., Fanin, C., Fantinel, S., Farnea, E., Faul, T., Filliger, M., Filmer, F., Finck, Ch., de France, G., Gadea, A., Gast, W., Geraci, A., Gerl, J., Gernhäuser, R., Giannatiempo, A., Giaz, A., Gibelin, L., Givechev, A., Goel, N., González, V., Gottardo, A., Grave, X., Grȩbosz, J., Griffiths, R., Grint, A. N., Gros, P., Guevara, L., Gulmini, M., Görgen, A., Ha, H. T. M., Habermann, T., Harkness, L. J., Harroch, H., Hauschild, K., He, C., Hernández-Prieto, A., Hervieu, B., Hess, H., Hüyük, T., Ince, E., Isocrate, R., Jaworski, G., Johnson, A., Jolie, J., Jones, P., Jonson, B., Joshi, P., Judson, D. S., Jungclaus, A., Kaci, M., Karkour, N., Karolak, M., Kaşkaş, A., Kebbiri, M., Kempley, R. S., Khaplanov, A., Klupp, S., Kogimtzis, M., Kojouharov, I., Korichi, A., Korten, W., Kröll, Th., Krücken, R., Kurz, N., Ky, B. Y., Labiche, M., Lafay, X., Lavergne, L., Lazarus, I. H., Leboutelier, S., Lefebvre, F., Legay, E., Legeard, L., Lelli, F., Lenzi, S. M., Leoni, S., Lermitage, A., Lersch, D., Leske, J., Letts, S. C., Lhenoret, S., Lieder, R. M., Linget, D., Ljungvall, J., Lopez-Martens, A., Lotodé, A., Lunardi, S., Maj, A., van der Marel, J., Mariette, Y., Marginean, N., Marginean, R., Maron, G., Mather, A. R., Mȩczyński, W., Mendéz, V., Medina, P., Melon, B., Menegazzo, R., Mengoni, D., Merchan, E., Mihailescu, L., Michelagnoli, C., Mierzejewski, J., Milechina, L., Million, B., Mitev, K., Molini, P., Montanari, D., Moon, S., Morbiducci, F., Moro, R., Morrall, P. S., Möller, O., Nannini, A., Napoli, D. R., Nelson, L., Nespolo, M., Ngo, V. L., Nicoletto, M., Nicolini, R., Noa, Y. Le, Nolan, P. J., Norman, M., Nyberg, J., Obertelli, A., Olariu, A., Orlandi, R., Oxley, D. C., Özben, C., Ozille, M., Oziol, C., Pachoud, E., Palacz, M., Palin, J., Pancin, J., Parisel, C., Pariset, P., Pascovici, G., Peghin, R., Pellegri, L., Perego, A., Perrier, S., Petcu, M., Petkov, P., Petrache, C., Pierre, E., Pietralla, N., Pietri, S., Pignanelli, M., Piqueras, I., Podolyak, Z., Pouhalec, P. Le, Pouthas, J., Pugnére, D., Pucknell, V. F. E., Pullia, A., Quintana, B., Raine, R., Rainovski, G., Ramina, L., Rampazzo, G., La Rana, G., Rebeschini, M., Recchia, F., Redon, N., Reese, M., Reiter, P., Regan, P. H., Riboldi, S., Richer, M., Rigato, M., Rigby, S., Ripamonti, G., Robinson, A. P., Robin, J., Roccaz, J., Ropert, J. -A., Rossé, B., Alvarez, C. Rossi, Rosso, D., Rubio, B., Rudolph, D., Saillant, F., Şahin, E., Salomon, F., Salsac, M. -D., Salt, J., Salvato, G., Sampson, J., Sanchis, E., Santos, C., Schaffner, H., Schlarb, M., Scraggs, D. P., Seddon, D., Şenyiğit, M., Sigward, M. -H., Simpson, G., Simpson, J., Slee, M., Smith, J. F., Sona, P., Sowicki, B., Spolaore, P., Stahl, C., Stanios, T., Stefanova, E., Stézowski, O., Strachan, J., Suliman, G., Söderström, P. -A., Tain, J. L., Tanguy, S., Tashenov, S., Theisen, Ch., Thornhill, J., Tomasi, F., Toniolo, N., Touzery, R., Travers, B., Triossi, A., Tripon, M., Tun-Lanoë, K. M. M., Turcato, M., Unsworth, C., Ur, C. A., Valiente-Dobon, J. J., Vandone, V., Vardaci, E., Venturelli, R., Veronese, F., Veyssiere, Ch., Viscione, E., Wadsworth, R., Walker, P. M., Warr, N., Weber, C., Weisshaar, D., Wells, D., Wieland, O., Wiens, A., Wittwer, G., Wollersheim, H. J., Zocca, F., Zamfir, N. V., Ziȩbliński, M., and Zucchiatti, A.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

The Advanced GAmma Tracking Array (AGATA) is a European project to develop and operate the next generation gamma-ray spectrometer. AGATA is based on the technique of gamma-ray energy tracking in electrically segmented high-purity germanium crystals. This technique requires the accurate determination of the energy, time and position of every interaction as a gamma ray deposits its energy within the detector volume. Reconstruction of the full interaction path results in a detector with very high efficiency and excellent spectral response. The realization of gamma-ray tracking and AGATA is a result of many technical advances. These include the development of encapsulated highly-segmented germanium detectors assembled in a triple cluster detector cryostat, an electronics system with fast digital sampling and a data acquisition system to process the data at a high rate. The full characterization of the crystals was measured and compared with detector-response simulations. This enabled pulse-shape analysis algorithms, to extract energy, time and position, to be employed. In addition, tracking algorithms for event reconstruction were developed. The first phase of AGATA is now complete and operational in its first physics campaign. In the future AGATA will be moved between laboratories in Europe and operated in a series of campaigns to take advantage of the different beams and facilities available to maximize its science output. The paper reviews all the achievements made in the AGATA project including all the necessary infrastructure to operate and support the spectrometer., Comment: This version contains a correction of a typing error in the caption of Fig. 2. The DOI to the article published in Nucl. Instr. Meth A was also added

Published
2011
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11. Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the π(p3/2)→π(p1/2)85Br spin-flip transition in π(p3/2)→π(p1/2)85Br

Author

Napiralla, P., Lettmann, M., Stahl, C., Rainovski, G., Pietralla, N., Afara, S., Ameil, F., Arici, T., Aydin, S., Barrientos, D., Bednarczyk, P., Bentley, M. A., Benzoni, G., Birkenbach, B., Blazhev, A., Boston, A. J., Boutachkov, P., Bracco, A., Bruyneel, B., Clément, E., Cortés, M. L., Crespi, F. C. L., Cullen, D. M., Curien, D., Désesquelles, P., Didierjean, F., Domingo-Pardo, C., Duchêne, G., Eberth, J., Egger, H., Fahlander, C., Gerl, J., Gladnishki, K. A., Golubev, P., González, V., Górska, M., Gottardo, A., Grassi, L., Habermann, T., Harkness-Brennan, L. J., Hess, H., Jenkins, D. G., John, P. R., Jolie, J., Judson, D. S., Kojouharov, I., Korten, W., Labiche, M., Lalović, N., Lizarazo, C., Louchart-Henning, C., Maj, A., Menegazzo, R., Mengoni, D., Merchan, E., Million, B., Möller, O., Möller, T., Moschner, K., Modamio, V., Napoli, D., Singh, B. S. Nara, Podolyák, Zs., Pietri, S., Ralet, D., Reese, M., Reiter, P., Rudolph, D., Sanchis, E., Sarmiento, L. G., Schaffner, H., Simpson, J., Singh, P. P., Valiente-Dobón, J. J., Werner, V., and Wieland, O.

Published
2020
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13. Comprehensive Design and Whole-Cavity Simulation of a Multibeam Inductive Output Tube Using a 3rd Harmonic Drive on the Grid

Author

Freund, H. P., Bui, Thuc, Ives, R. Lawrence, Habermann, T., and Read, M.

Abstract

We discuss the design and whole-cavity simulation of a multibeam inductive output tube (MBIOT) that uses a third harmonic component to the drive voltage on the grid. High-efficiency IOTs are characterized by efficiencies of 70%–75%. However, efficiencies greater than 80% would substantially reduce the operating costs of next-generation accelerators. To achieve this, we consider the addition of a third harmonic component to the drive signal on the grid. We consider an eight-beam MBIOT with a 700 MHz resonant cavity using a voltage of 35 kV and an average current of 7.25 A yielding a perveance of about $1.1 ~\mu \text{P}$ . We simulate this using the NEMESIS simulation code which has been extended using a 3-D Poisson solver based on the Petsc package from Argonne National Laboratory. The effect of the third harmonic is greatest when the third harmonic phase is shifted by $\pi $ radians with respect to the fundamental drive and with third harmonic powers greater than about 50% that of the fundamental. We show that efficiencies approaching 82% are possible. Designs for the MBIOT input coupler, grids, and output cavity have been developed based on these simulations and will be discussed.

Published
2024
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14. Lenalidomide plus R-CHOP21 in newly diagnosed diffuse large B-cell lymphoma (DLBCL): long-term follow-up results from a combined analysis from two phase 2 trials

Author

Castellino, A., Chiappella, A., LaPlant, B. R., Pederson, L. D., Gaidano, G., Macon, W. R., Inghirami, G., Reeder, C. B., Tucci, A., King, R. L., Congiu, A., Foran, J. M., Pavone, V., Rivera, C. E., Spina, M., Ansell, S. M., Cavallo, F., Molinari, A. L., Ciccone, Giovannino, Habermann, T. M., Witzig, T. E., Vitolo, U., and Nowakowski, G. S.

Published
2018
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15. High-spin states in 212Po above the α-decaying (18+) isomer

Author

Zago, L., primary, Gottardo, A., additional, Valiente-Dobón, J.J., additional, Benzoni, G., additional, Gadea, A., additional, Górska, M., additional, Lunardi, S., additional, Podolyák, Zs., additional, Regan, P.H., additional, Rudolph, D., additional, Algora, A., additional, de Angelis, G., additional, Bazzacco, D., additional, Benlliure, J., additional, Boutachkov, P., additional, Bracco, A., additional, Bruce, A.M., additional, Camera, F., additional, Casarejos, E., additional, Cortés, M.L., additional, Crespi, F.C.L., additional, Corsi, A., additional, Domingo-Pardo, C., additional, Doncel, M., additional, Engert, T., additional, Geissel, H., additional, Gerl, J., additional, Goasduff, A., additional, Goel, N., additional, Grebosz, J., additional, Gregor, E., additional, Habermann, T., additional, Klupp, S., additional, Kojouharov, I., additional, Kurz, N., additional, Lenzi, S.M., additional, Leoni, S., additional, Mandal, S., additional, Menegazzo, R., additional, Mengoni, D., additional, Million, B., additional, Morales, A.I., additional, Napoli, D.R., additional, Naqvi, F., additional, Nociforo, C., additional, Pfützner, M., additional, Pietri, S., additional, Prochazka, A., additional, Recchia, F., additional, Sahin, E., additional, Schaffner, H., additional, Sharma, A., additional, Sitar, B., additional, Siwal, D., additional, Strmen, P., additional, Szarka, I., additional, Ur, C.A., additional, Walker, P.M., additional, Weick, H., additional, Wieland, O., additional, and Wollersheim, H.-J., additional

Published
2022
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17. High-spin states in Po above the -decaying (18 ) Isomer

Author

Zago, L., Gottardo, A., Valiente-Dobón, J.J., Benzoni, G., Gadea, A., Górska, M., Lunardi, S., Podolyák, Zs., Regan, P.H., Rudolph, D., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, P., Bracco, A., Bruce, A.M., Camera, F., Casarejos, E., Cortés, M.L., Crespi, F.C.L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goasduff, A., Goel, N., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S.M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A.I., Napoli, D.R., Naqvi, F., Nociforo, C., Pfützner, M., Pietri, S., Prochazka, A., Recchia, F., Sahin, E., Schaffner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, P., Szarka, I., Ur, C.A., Walker, P.M., Weick, H., Wieland, O., and Wollersheim, H.J.

Abstract

The nucleus $^{212}$Po has been produced through the fragmentation of a $^{238}$U primary beam at 1 GeV/nucleon at GSI, separated with the FRagment Separator, FRS, and studied via isomer γ-decay spectroscopy with the RISING setup. Two delayed previously unknown γ rays have been observed. One has been attributed to the E3 decay of a 21$^{−}$ isomeric state feeding the α-emitting 45-s (18$^{+}$) high-spin isomer. The other γ-ray line has been assigned to the decay of a higher-lying 23$^{+}$ metastable state. These are the first observations of high-spin states above the $^{212}$Po (18$^{+}$) isomer, by virtue of the selectivity obtained via ion-by-ion identification of $^{238}$U fragmentation products. Comparison with shell-model calculations points to shortfalls in the nuclear interactions involving high-j proton and neutron orbitals, to which the region around Z∼100 is sensitive.

Published
2022

20. P1096: TREATMENT PATTERNS AND OUTCOMES IN RELAPSED/REFRACTORY MANTLE CELL LYMPHOMA

Author

Bock, A., primary, Poonsombudlert, K., additional, Larson, M., additional, Gile, J., additional, Tawfiq, R., additional, Maliske, S., additional, Maurer, M., additional, Cerhan, J., additional, Andrade-gonzalez, X., additional, Saliba, A., additional, Paludo, J., additional, Inwards, D., additional, Ansell, S., additional, Witzig, T., additional, Habermann, T., additional, Link, B., additional, Ayyappan, S., additional, Nowakowski, G., additional, Farooq, U., additional, and Wang, Y., additional

Published
2022
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21. New, High Efficiency RF Sources

Author

Ives, R. L., primary, Read, M., additional, Marsden, D., additional, Freund, H., additional, Ho, R., additional, Ma, L., additional, Bui, T., additional, Collins, G., additional, Potter, J., additional, and Habermann, T., additional

Published
2022
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23. High-spin states in Po-212 above the alpha-decaying (18(+)) isomer

Author

Zago, L., Gottardo, A., Valiente-Dobon, J. J., Benzoni, G., Gadea, A., Gorska, M., Lunardi, S., Podolyak, Zs., Regan, P. H., Rudolph, D., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, R., Bracco, A., Bruce, A. M., Camera, F., Casarejos, E., Cortes, M. L., Crespi, F. C. L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goasduff, A., Goel, N., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S. M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A. I., Napoli, D. R., Naqvi, F., Nociforo, C., Pfiitzner, M., Pietri, S., Prochazka, A., Recchia, F., Sahin, E., Schaffner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, R., Szarka, I., Ur, C. A., Walker, P. M., Weick, H., Wieland, O., Wollersheime, H. -J., Zago, L., Gottardo, A., Valiente-Dobon, J. J., Benzoni, G., Gadea, A., Gorska, M., Lunardi, S., Podolyak, Zs., Regan, P. H., Rudolph, D., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, R., Bracco, A., Bruce, A. M., Camera, F., Casarejos, E., Cortes, M. L., Crespi, F. C. L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goasduff, A., Goel, N., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S. M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A. I., Napoli, D. R., Naqvi, F., Nociforo, C., Pfiitzner, M., Pietri, S., Prochazka, A., Recchia, F., Sahin, E., Schaffner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, R., Szarka, I., Ur, C. A., Walker, P. M., Weick, H., Wieland, O., and Wollersheime, H. -J.

Abstract

The nucleus Po-212 has been produced through the fragmentation of a U-238 primary beam at 1GeV/nucleon at GSI, separated with the FRagment Separator, FRS, and studied via isomer gamma-decay spectroscopy with the RISING setup. Two delayed previously unknown gamma rays have been observed. One has been attributed to the E3 decay of a 21(-) isomeric state feeding the alpha-emitting 45-s (18(+)) high-spin isomer. The other gamma-ray line has been assigned to the decay of a higher-lying 23(+) metastable state. These are the first observations of high-spin states above the Po-212 (18(+)) isomer, by virtue of the selectivity obtained via ion-by-ion identification of U-238 fragmentation products. Comparison with shell-model calculations points to shortfalls in the nuclear interactions involving high- jproton and neutron orbitals, to which the region around Z similar to 100 is sensitive. (C) 2022 The Authors. Published by Elsevier B.V.

Published
2022

24. High-spin states in Po-212 above the alpha-decaying (18+) isomer

Author

Zago, L, Gottardo, A, Valiente-Dobon, Jj, Benzoni, G, Gadea, A, Gorska, M, Lunardi, S, Podolyak, Z, Regan, Ph, Rudolph, D, Algora, A, de Angelis, G, Bazzacco, D, Benlliure, J, Boutachkov, R, Bracco, A, Bruce, Am, Camera, F, Casarejos, E, Cortes, Ml, Crespi, Fcl, Corsi, A, Domingo-Pardo, C, Doncel, M, Engert, T, Geissel, H, Gerl, J, Goasduff, A, Goel, N, Grebosz, J, Gregor, E, Habermann, T, Klupp, S, Kojouharov, I, Kurz, N, Lenzi, Sm, Leoni, S, Mandal, S, Menegazzo, R, Mengoni, D, Million, B, Morales, Ai, Napoli, Dr, Naqvi, F, Nociforo, C, Pfiitzner, M, Pietri, S, Prochazka, A, Recchia, F, Sahin, E, Schaffner, H, Sharma, A, Sitar, B, Siwal, D, Strmen, R, Szarka, I, Ca, Ur, Walker, Pm, Weick, H, Wieland, O, and Wollersheime, Hj

Subjects
High-spin spectroscopy, gamma spectroscopy, Isomer spectroscopy
Published
2022

25. Conceptual design and infrastructure for the installation of the first AGATA sub-array at LNL

Author

Gadea, A., Farnea, E., Valiente-Dobón, J.J., Million, B., Mengoni, D., Bazzacco, D., Recchia, F., Dewald, A., Pissulla, Th., Rother, W., de Angelis, G., Austin, A., Aydin, S., Badoer, S., Bellato, M., Benzoni, G., Berti, L., Beunard, R., Birkenbach, B., Bissiato, E., Blasi, N., Boiano, C., Bortolato, D., Bracco, A., Brambilla, S., Bruyneel, B., Calore, E., Camera, F., Capsoni, A., Chavas, J., Cocconi, P., Coelli, S., Colombo, A., Conventi, D., Costa, L., Corradi, L., Corsi, A., Cortesi, A., Crespi, F.C.L., Dosme, N., Eberth, J., Fantinel, S., Fanin, C., Fioretto, E., Fransen, Ch., Giaz, A., Gottardo, A., Grave, X., Grebosz, J., Griffiths, R., Grodner, E., Gulmini, M., Habermann, T., He, C., Hess, H., Isocrate, R., Jolie, J., Jones, P., Latina, A., Legay, E., Lenzi, S., Leoni, S., Lelli, F., Lersch, D., Lunardi, S., Maron, G., Menegazzo, R., Michelagnoli, C., Molini, P., Montagnoli, G., Montanari, D., Möller, O., Napoli, D.R., Nicoletto, M., Nicolini, R., Ozille, M., Pascovici, G., Peghin, R., Pignanelli, M., Pucknell, V., Pullia, A., Ramina, L., Rampazzo, G., Rebeschini, M., Reiter, P., Riboldi, S., Rigato, M., Rossi Alvarez, C., Rosso, D., Salvato, G., Strachan, J., Sahin, E., Scarlassara, F., Simpson, J., Stefanini, A.M., Stezowski, O., Tomasi, F., Toniolo, N., Triossi, A., Turcato, M., Ur, C.A., Vandone, V., Venturelli, R., Veronese, F., Veyssiere, C., Viscione, E., Wieland, O., Wiens, A., Zocca, F., and Zucchiatti, A.

Published
2011
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26. Interaction position resolution simulations and in-beam measurements of the AGATA HPGe detectors

Author

Söderström, P.-A., Recchia, F., Nyberg, J., Al-Adili, A., Ataç, A., Aydin, S., Bazzacco, D., Bednarczyk, P., Birkenbach, B., Bortolato, D., Boston, A.J., Boston, H.C., Bruyneel, B., Bucurescu, D., Calore, E., Colosimo, S., Crespi, F.C.L., Dosme, N., Eberth, J., Farnea, E., Filmer, F., Gadea, A., Gottardo, A., Grave, X., Grebosz, J., Griffiths, R., Gulmini, M., Habermann, T., Hess, H., Jaworski, G., Jones, P., Joshi, P., Judson, D.S., Kempley, R., Khaplanov, A., Legay, E., Lersch, D., Ljungvall, J., Lopez-Martens, A., Meczynski, W., Mengoni, D., Michelagnoli, C., Molini, P., Napoli, D.R., Orlandi, R., Pascovici, G., Pullia, A., Reiter, P., Sahin, E., Smith, J.F., Strachan, J., Tonev, D., Unsworth, C., Ur, C.A., Valiente-Dobón, J.J., Veyssiere, C., and Wiens, A.

Published
2011
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27. Manifestation of the Berry phase in the atomic nucleus Pb

Author

Valiente-Dobón, J.J., Gottardo, A., Benzoni, G., Gadea, A., Lunardi, S., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, P., Bracco, A., Bruce, A.M., Camera, F., Casarejos, E., Cortés, M.L., Crespi, F.C.L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goasduff, A., Goel, N., Górska, M., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S.M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A.I., Napoli, D.R., Naqvi, F., Nociforo, C., Pfützner, M., Pietri, S., Podolyák, Zs., Prochazka, A., Recchia, F., Regan, P.H., Rudolph, D., Sahin, E., Schaffner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, P., Szarka, I., Ur, C.A., Walker, P.M., Weick, H., Wieland, O., Wollersheim, H.J., and Van Isacker, P.

Abstract

The neutron-rich $^{213}$Pb isotope was produced in the fragmentation of a primary 1 GeV A $^{238}$U beam, separated in FRS in mass and atomic number, and then implanted for isomer decay γ-ray spectroscopy with the RISING setup at GSI. A newly observed isomer and its measured decay properties indicate that states in $^{213}$Pb are characterized by the seniority quantum number that counts the nucleons not in pairs coupled to angular momentum J=0. The conservation of seniority is a consequence of a geometric phase associated with particle-hole conjugation, which becomes observable in semi-magic nuclei where nucleons half-fill the valence shell. The γ-ray spectroscopic observables in $^{213}$Pb are thus found to be driven by two mechanisms, particle-hole conjugation and seniority conservation, which are intertwined through a Berry phase.

Published
2021

28. The (6 ) Isomer in Sn revisited: Neutron and proton effective charges close to the double shell closure

Author

Grawe, H., Straub, K., Faestermann, T., Górska, M., Hinke, C., Krücken, R., Nowacki, F., Böhmer, M., Boutachkov, P., Geissel, H., Gernhäuser, R., Gottardo, A., Grȩbosz, J., Kurz, N., Liu, Z., Maier, L., Pietri, S., Podolyák, Zs., Steiger, K., Weick, H., Wollersheim, H.J., Woods, P.J., Al-Dahan, N., Alkhomashi, N., Ataç, A., Blazhev, A., Braun, N., Čeliković, I., Davinson, T., Dillmann, I., Domingo-Pardo, C., Doornenbal, P., Farrelly, G., Farinon, F., de France, G., Gerl, J., Goel, N., Habermann, T., Hoischen, R., Janik, R., Karny, M., Kaşkaş, A., Kojouharov, I., Kröll, Th., Lewitowicz, M., Litvinov, Yu.A., Myalski, S., Nebel, F., Nishimura, S., Nociforo, C., Nyberg, J., Parikh, A., Procházka, A., Regan, P.H., Rigollet, C., Schaffner, H., Scheidenberger, C., Schwertel, S., Söderström, P.A., Steer, S., Stolz, A., and Strmeň, P.

Abstract

In a high-energy fragmentation experiment at GSI an I=π(6+) isomer and its γ-decay are identified in $^{102}$Sn, the two-neutron neighbour of the doubly-magic $^{100}$Sn. Its half-life is measured to be T=1/2367(11) ns. The possible existence of further isomers is discussed in the framework of large-scale shell model (LSSM) calculations including up to five particle-hole excitations of the $^{100}$Sn core. From the precise B(E2; 6+→4+) strength and the recently remeasured value for B(E2; 8+→6+) in the two-proton hole neighbour $^{98}$Cd effective E2 polarization charges for protons and neutrons were inferred including LSSM corrections within the full N=4 0ħω space. The results are discussed in comparison to predicted and empirically determined effective operators.

Published
2021

30. The (6+) isomer in 102Sn revisited: Neutron and proton effective charges close to the double shell closure

Author

Grawe, H., Straub, K., Faestermann, T., Górska, M., Hinke, C., Krücken, R., Nowacki, F., Böhmer, M., Boutachkov, P., Geissel, H., Gernhäuser, R., Gottardo, A., Grȩbosz, J., Kurz, N., Liu, Z., Maier, L., Pietri, S., Podolyák, Zs., Steiger, K., Weick, H., Wollersheim, H.J., Woods, P.J., Al-Dahan, N., Alkhomashi, N., Ataç, A., Blazhev, A., Braun, N., Čeliković, I., Davinson, T., Dillmann, I., Domingo-Pardo, C., Doornenbal, P., Farrelly, G., Farinon, F., de France, G., Gerl, J., Goel, N., Habermann, T., Hoischen, R., Janik, R., Karny, M., Kaşkaş, A., Kojouharov, I., Kröll, Th., Lewitowicz, M., Litvinov, Yu.A., Myalski, S., Nebel, F., Nishimura, S., Nociforo, C., Nyberg, J., Parikh, A., Procházka, A., Regan, P.H., Rigollet, C., Schaffner, H., Scheidenberger, C., Schwertel, S., Söderström, P.-A., Steer, S., Stolz, A., and Strmeň, P.

Published
2021
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31. Manifestation of the Berry phase in the atomic nucleus 213Pb

Author

Valiente-Dobón, J.J., Gottardo, A., Benzoni, G., Gadea, A., Lunardi, S., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, P., Bracco, A., Bruce, A.M., Camera, F., Casarejos, E., Cortés, M.L., Crespi, F.C.L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goasduff, A., Goel, N., Górska, M., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S.M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A.I., Napoli, D.R., Naqvi, F., Nociforo, C., Pfützner, M., Pietri, S., Podolyák, Zs., Prochazka, A., Recchia, F., Regan, P.H., Rudolph, D., Sahin, E., Schaffner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, P., Szarka, I., Ur, C.A., Walker, P.M., Weick, H., Wieland, O., Wollersheim, H.-J., and Van Isacker, P.

Published
2021
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33. Multicohort Study of Conditional Survival and Cause of Death After Achieving Event‐Free Survival at 24 Months (EFS24) in Patients With Mantle Cell Lymphoma (MCL).

Author

Wang, Y., Larson, M. C., Ekberg, S., Smedby, K. E., Zhao, E. J., Gerrie, A. S., Farooq, U., Maurer, M. J., Paludo, J., Nowakowski, G. S., Habermann, T. M., Albertsson‐Lindblad, A., Glimelius, I., Link, B. K., Diego, V., Jerkeman, M., and Cerhan, J. R.

Subjects
MANTLE cell lymphoma, AFTERLIFE
Abstract

However, in Era M2, patients achieving EFS24 had similar OS compared to the general population (SMR = 1.35, 95% CI: 0.83-2.09), and lymphoma was no longer the leading cause of death (Figure 1 B&E). Multicohort Study of Conditional Survival and Cause of Death After Achieving Event-Free Survival at 24 Months (EFS24) in Patients With Mantle Cell Lymphoma (MCL) In Era M1, patients achieving EFS24 still had inferior OS compared to the general population (SMR = 2.81, 95% CI: 1.98-3.88), and lymphoma remained the leading cause of death. [Extracted from the article]

Published
2023
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34. Defining Primary Refractory Diffuse Large B‐cell Lymphoma (DLBCL) Based on Survival Outcomes.

Author

Bock, A. M., Mwangi, R., Wang, Y., Khurana, A., Maurer, M. J., Ayers, A., Kahl, B., Martin, P., Cohen, J., Casulo, C., Lossos, I., Farooq, U., Ayyappan, S., Reicks, T., Habermann, T. M., Flowers, C. R., Cerhan, J. R., Nastoupil, L. J., and Nowakowski, G. S.

Subjects
DIFFUSE large B-cell lymphomas, SURVIVAL rate
Abstract

Defining Primary Refractory Diffuse Large B-cell Lymphoma (DLBCL) Based on Survival Outcomes B Background: b DLBCL that fails to achieve a complete response (CR) or relapses early after standard immunochemotherapy (IC, e.g., R-CHOP or similar) is referred to as primary refractory DLBCL (prDLBCL) and has a poor prognosis. Patients with PD had significantly lower CR/PR rates (19.6%/19.6%) to second line therapy compared to patients with EOT PR (32.1%/30.4%) or early relapse (50.6%/19.1%)( I P i < 0.001). [Extracted from the article]

Published
2023
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35. INTERIM PET/CT PREDICTS OUTCOMES OF DIFFUSE LARGE B‐CELL LYMPHOMA (DLBCL) TREATED WITH FRONTLINE LENALIDOMIDE/RCHOP (R2CHOP): LONG‐TERM ANALYSIS OF MC078E

Author

Desai, S., primary, Laplant, B., additional, Macon, W., additional, Young, J., additional, King, R., additional, Wang, Y., additional, Inwards, D., additional, Micallef, I., additional, Johnston, P. B., additional, Porrata, L. F., additional, Ansell, S. M., additional, Habermann, T. M., additional, Witzig, T. E., additional, and Nowakowski, G. S., additional

Published
2021
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36. IMPACT OF TIME TO RELAPSE AND RESPONSE TO SALVAGE THERAPY ON POST AUTOLOGOUS STEM CELL TRANSPLANT OUTCOMES IN RELAPSED OR REFRACTORY DIFFUSE LARGE B‐CELL LYMPHOMA

Author

Tun, A. M, primary, Wang, Y, additional, Maliske, S, additional, Farooq, U, additional, Micallef, I. N, additional, Inwards, D. J, additional, Porrata, L. F, additional, Ansell, S. M, additional, Rosenthal, A. C, additional, Kharfan‐Dabaja, M, additional, Link, B. K, additional, Villasboas, J. C, additional, Paludo, J, additional, Cerhan, J. R, additional, Habermann, T. M, additional, Witzig, T. E, additional, Nowakowski, G. S, additional, and Johnston, P. B, additional

Published
2021
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37. DO CELL‐OF‐ORIGIN, DOUBLE EXPRESSER, AND DOUBLE HIT STATUS AFFECT OUTCOMES IN RELAPSED/REFRACTORY DIFFUSE LARGE B CELL LYMPHOMA (R/R DLBCL)? A PROSPECTIVE OBSERVATIONAL STUDY

Author

Desai, S. H., primary, Mwangi, R., additional, Maurer, M., additional, King, R., additional, Cerhan, J., additional, Feldman, A., additional, Habermann, T., additional, Farooq, U., additional, Thompson, C., additional, Wang, Y., additional, Ansell, S. M., additional, Witzig, T. E., additional, and Nowakowski, G. N., additional

Published
2021
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38. SOMATIC ALTERATIONS IN FOLLICULAR LYMPHOMA ASSOCIATE WITH UNIQUE TUMOR‐CELL TRANCRIPTIONAL STATES AND TUMOR‐IMMUNE MICROENVIRONMENTS

Author

Krull, J., primary, Wenzl, K., additional, Manske, M. K., additional, Hopper, M. A., additional, Larson, M. C., additional, Sarangi, V., additional, Barman, P., additional, Serres, M. R., additional, Khan, S., additional, Novak, A. J., additional, Maurer, M. J., additional, Yang, Z., additional, Rimsza, L., additional, Link, B. K., additional, Habermann, T. M., additional, Ansell, S. M., additional, King, R. L., additional, Cerhan, J. R., additional, and Novak, J. P., additional

Published
2021
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39. PROGRESSION‐FREE SURVIVAL AT 24 MONTHS AS A LANDMARK AFTER AUTOLOGOUS STEM CELL TRANSPLANT IN RELAPSED OR REFRACTORY DIFFUSE LARGE B‐CELL LYMPHOMA

Author

Tun, A. M, primary, Maliske, S, additional, Wang, Y, additional, Maurer, M. J, additional, Micallef, I. N, additional, Inwards, D. J, additional, Porrata, L. F, additional, Rosenthal, A. C, additional, Kharfan‐Dabaja, M, additional, Orme, J, additional, Link, B. K, additional, Cerhan, J. R, additional, Thompson, C. A, additional, Habermann, T. M, additional, Witzig, T. E, additional, Ansell, S. M, additional, Nowakowski, G. S, additional, Farooq, U, additional, and Johnston, P. B, additional

Published
2021
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40. Manifestation of the Berry phase in the atomic nucleus Pb-213

Author

Valiente-Dobon, J. J., Gottardo, A., Benzoni, G., Gadea, A., Lunardi, S., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, P., Bracco, A., Bruce, A. M., Camera, F., Casarejos, E., Cortes, M. L., Crespi, F. C. L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goasduff, A., Goel, N., Gorska, M., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S. M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A. I., Napoli, D. R., Naqvi, F., Nociforo, C., Pfutzner, M., Pietri, S., Podolyak, Zs., Prochazka, A., Recchia, F., Regan, P. H., Rudolph, D., Sahin, E., Schaffner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, P., Szarka, I, Ur, C. A., Walker, P. M., Weick, H., Wieland, O., Wollersheim, H. -J., Van Isacker, P., Valiente-Dobon, J. J., Gottardo, A., Benzoni, G., Gadea, A., Lunardi, S., Algora, A., de Angelis, G., Bazzacco, D., Benlliure, J., Boutachkov, P., Bracco, A., Bruce, A. M., Camera, F., Casarejos, E., Cortes, M. L., Crespi, F. C. L., Corsi, A., Domingo-Pardo, C., Doncel, M., Engert, T., Geissel, H., Gerl, J., Goasduff, A., Goel, N., Gorska, M., Grebosz, J., Gregor, E., Habermann, T., Klupp, S., Kojouharov, I., Kurz, N., Lenzi, S. M., Leoni, S., Mandal, S., Menegazzo, R., Mengoni, D., Million, B., Morales, A. I., Napoli, D. R., Naqvi, F., Nociforo, C., Pfutzner, M., Pietri, S., Podolyak, Zs., Prochazka, A., Recchia, F., Regan, P. H., Rudolph, D., Sahin, E., Schaffner, H., Sharma, A., Sitar, B., Siwal, D., Strmen, P., Szarka, I, Ur, C. A., Walker, P. M., Weick, H., Wieland, O., Wollersheim, H. -J., and Van Isacker, P.

Abstract

The neutron-rich Pb-213 isotope was produced in the fragmentation of a primary 1 GeV A U-238 beam, separated in FRS in mass and atomic number, and then implanted for isomer decay gamma-ray spectroscopy with the RISING setup at GSI. A newly observed isomer and its measured decay properties indicate that states in Pb-213 are characterized by the seniority quantum number that counts the nucleons not in pairs coupled to angular momentum J = 0. The conservation of seniority is a consequence of a geometric phase associated with particle-hole conjugation, which becomes observable in semi-magic nuclei where nucleons half-fill the valence shell. The gamma-ray spectroscopic observables in Pb-213 are thus found to be driven by two mechanisms, particle-hole conjugation and seniority conservation, which are intertwined through a Berry phase. (C) 2021 The Authors. Published by Elsevier B.V.

Published
2021

41. The (6(+)) isomer in Sn-102 revisited: Neutron and proton effective charges close to the double shell closure

Author

Grawe, H., Straub, K., Faestermann, T., Gorska, M., Hinke, C., Kruecken, R., Nowacki, F., Boehmer, M., Boutachkov, P., Geissel, H., Gernhaeuser, R., Gottardo, A., Grebosz, J., Kurz, N., Liu, Z., Maier, L., Pietri, S., Podolyak, Zs, Steiger, K., Weick, H., Wollersheim, H. J., Woods, P. J., Al-Dahan, N., Alkhomashi, N., Atac, A., Blazhev, A., Braun, N., Celikovic, I, Davinson, T., Dillmann, I, Domingo-Pardo, C., Doornenbal, P., Farrelly, G., Farinon, F., de France, G., Gerl, J., Goel, N., Habermann, T., Hoischen, R., Janik, R., Karny, M., Kaskas, A., Kojouharov, I, Kroell, Th, Lewitowicz, M., Litvinov, Yu A., Myalski, S., Nebel, F., Nishimura, S., Nociforo, C., Nyberg, J., Parikh, A., Prochazka, A., Regan, P. H., Rigollet, C., Schaffner, H., Scheidenberger, C., Schwertel, S., Soderstrom, P-A, Steer, S., Stolz, A., Strmen, P., Grawe, H., Straub, K., Faestermann, T., Gorska, M., Hinke, C., Kruecken, R., Nowacki, F., Boehmer, M., Boutachkov, P., Geissel, H., Gernhaeuser, R., Gottardo, A., Grebosz, J., Kurz, N., Liu, Z., Maier, L., Pietri, S., Podolyak, Zs, Steiger, K., Weick, H., Wollersheim, H. J., Woods, P. J., Al-Dahan, N., Alkhomashi, N., Atac, A., Blazhev, A., Braun, N., Celikovic, I, Davinson, T., Dillmann, I, Domingo-Pardo, C., Doornenbal, P., Farrelly, G., Farinon, F., de France, G., Gerl, J., Goel, N., Habermann, T., Hoischen, R., Janik, R., Karny, M., Kaskas, A., Kojouharov, I, Kroell, Th, Lewitowicz, M., Litvinov, Yu A., Myalski, S., Nebel, F., Nishimura, S., Nociforo, C., Nyberg, J., Parikh, A., Prochazka, A., Regan, P. H., Rigollet, C., Schaffner, H., Scheidenberger, C., Schwertel, S., Soderstrom, P-A, Steer, S., Stolz, A., and Strmen, P.

Abstract

In a high-energy fragmentation experiment at GSI an I-pi = (6(+)) isomer and its gamma-decay are identified in Sn-102, the two-neutron neighbour of the doubly-magic Sn-100. Its half-life is measured to be T-1/2 = 367(11) ns. The possible existence of further isomers is discussed in the framework of large-scale shell model (LSSM) calculations including up to five particle-hole excitations of the Sn-100 core. From the precise B(E2; 6(+) -> 4(+)) strength and the recently remeasured value for B(E2; 8(+) -> 6(+)) in the two-proton hole neighbour Cd-98 effective E2 polarization charges for protons and neutrons were inferred including LSSM corrections within the full N=4 0h omega space. The results are discussed in comparison to predicted and empirically determined effective operators. (C) 2021 The Author(s). Published by Elsevier B.V.

Published
2021

42. Call to action for global access to and harmonization of quality information of individual earth science datasets

Author

Peng, G., Downs, R.R., Lacagnina, C., Ramapriyan, H., Ivanova, Ivana, Moroni, D., Wei, Y., Larnicol, G., Wyborn, L., Goldberg, M., Schulz, J., Bastrakova, I., Ganske, A., Bastin, L., Khalsa, S.J.S., Wu, M., Shie, C.L., Ritchey, N., Jones, D., Habermann, T., Lief, C., Maggio, I., Albani, M., Stall, S., Zhou, L., Drévillon, M., Champion, S., Hou, C.S., Doblas-Reyes, F., Lehnert, K., Robinson, E., Bugbee, K., Peng, G., Downs, R.R., Lacagnina, C., Ramapriyan, H., Ivanova, Ivana, Moroni, D., Wei, Y., Larnicol, G., Wyborn, L., Goldberg, M., Schulz, J., Bastrakova, I., Ganske, A., Bastin, L., Khalsa, S.J.S., Wu, M., Shie, C.L., Ritchey, N., Jones, D., Habermann, T., Lief, C., Maggio, I., Albani, M., Stall, S., Zhou, L., Drévillon, M., Champion, S., Hou, C.S., Doblas-Reyes, F., Lehnert, K., Robinson, E., and Bugbee, K.

Abstract

Knowledge about the quality of data and metadata is important to support informed decisions on the (re)use of individual datasets and is an essential part of the ecosystem that supports open science. Quality assessments reflect the reliability and usability of data. They need to be consistently curated, fully traceable, and adequately documented, as these are crucial for sound decision-and policy-making efforts that rely on data. Quality assessments also need to be consistently represented and readily integrated across systems and tools to allow for improved sharing of information on quality at the dataset level for individual quality attribute or dimension. Although the need for assessing the quality of data and associated information is well recognized, methodologies for an evaluation framework and presentation of resultant quality information to end users may not have been comprehensively addressed within and across disciplines. Global interdisciplinary domain experts have come together to systematically explore needs, challenges and impacts of consistently curating and representing quality information through the entire lifecycle of a dataset. This paper describes the findings of that effort, argues the importance of sharing dataset quality information, calls for community action to develop practical guidelines, and outlines community recommendations for developing such guidelines. Practical guidelines will allow for global access to and harmonization of quality information at the level of individual Earth science datasets, which in turn will support open science.

Published
2021

43. Low-lying electric dipole γ-continuum for the unstable 62,64Fe nuclei: Strength evolution with neutron number

Author

Avigo, R., Wieland, O., Bracco, A., Camera, F., Ameil, F., Arici, T., Ataç, A., Barrientos, D., Bazzacco, D., Bednarczyk, P., Benzoni, G., Birkenbach, B., Blasi, N., Boston, H.C., Bottoni, S., Brambilla, S., Bruyneel, B., Ciemała, M., Clément, E., Cortés, M.L., Crespi, F.C.L., Cullen, D.M., Curien, D., Didierjean, F., Domingo-Pardo, C., Duchêne, G., Eberth, J., Görgen, A., Gadea, A., Gerl, J., Goel, N., Golubev, P., González, V., Górska, M., Gottardo, A., Gregor, E., Guastalla, G., Habermann, T., Harkness-Brennan, L.J., Jungclaus, A., Kmiecik, M., Kojouharov, I., Korten, W., Kurz, N., Labiche, M., Lalović, N., Leoni, S., Lettmann, M., Maj, A., Menegazzo, R., Mengoni, D., Merchan, E., Million, B., Morales, A.I., Napoli, D.R., Nociforo, C., Nyberg, J., Pietralla, N., Pietri, S., Podolyák, Zs., Ponomarev, V.Yu., Pullia, A., Quintana, B., Rainovski, G., Ralet, D., Recchia, F., Reese, M., Regan, P., Reiter, P., Riboldi, S., Rudolph, D., Salsac, M.D., Sanchis, E., Sarmiento, L.G., Schaffner, H., Simpson, J., Stezowski, O., Valiente-Dobón, J.J., and Wollersheim, H.J.

Published
2020
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44. Low-lying electric dipole -continuum for the Unstable Fe nuclei: Strength evolution with neutron number

Author

Avigo, R., Wieland, O., Bracco, A., Camera, F., Ameil, F., Arici, T., Ataç, A., Barrientos, D., Bazzacco, D., Bednarczyk, P., Benzoni, G., Birkenbach, B., Blasi, N., Boston, H.C., Bottoni, S., Brambilla, S., Bruyneel, B., Ciemała, M., Clément, E., Cortés, M.L., Crespi, F.C.L., Cullen, D.M., Curien, D., Didierjean, F., Domingo-Pardo, C., Duchêne, G., Eberth, J., Görgen, A., Gadea, A., Gerl, J., Goel, N., Golubev, P., González, V., Górska, M., Gottardo, A., Gregor, E., Guastalla, G., Habermann, T., Harkness-Brennan, L.J., Jungclaus, A., Kmiecik, M., Kojouharov, I., Korten, W., Kurz, N., Labiche, M., Lalović, N., Leoni, S., Lettmann, M., Maj, A., Menegazzo, R., Mengoni, D., Merchan, E., Million, B., Morales, A.I., Napoli, D.R., Nociforo, C., Nyberg, J., Pietralla, N., Pietri, S., Podolyák, Zs., Ponomarev, V.Yu., Pullia, A., Quintana, B., Rainovski, G., Ralet, D., Recchia, F., Reese, M., Regan, P., Reiter, P., Riboldi, S., Rudolph, D., Salsac, M.D., Sanchis, E., Sarmiento, L.G., Schaffner, H., Simpson, J., Stezowski, O., Valiente-Dobón, J.J., and Wollersheim, H.J.

Subjects
Nuclear Theory, Nuclear Experiment
Abstract

The γ-ray emission from the nuclei $^{62,64}$Fe following Coulomb excitation at bombarding energy of 400-440 AMeV was measured with special focus on E1 transitions in the energy region 4-8 MeV. The unstable neutron-rich nuclei $^{62,64}$Fe were produced at the FAIR-GSI laboratories and selected with the FRS spectrometer. The γ decay was detected with AGATA. From the measured γ-ray spectra the summed E1 strength is extracted and compared to microscopic quasi-particle phonon model calculations. The trend of the E1 strength with increasing neutron number is found to be fairly well reproduced with calculations that assume a rather complex structure of the 1$^{−}$ states (three-phonon states) inducing a strong fragmentation of the E1 nuclear response below the neutron binding energy.

Published
2020

48. High-power high-efficiency L-band multiple-beam klystron development at CPI

Author

Habermann, T., Balkcum, A., Begum, R., Bohlen, H., Cattelino, M., Eisen, E., Gajaria, D., Staprans, A., Stockwell, B., and Zitelli, L.

Subjects
Klystrons -- Product development, Computer software industry -- Product development, Energy efficiency, Business, Chemistry, Electronics, Electronics and electrical industries
Published
2010

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