62 results on '"D. Barni"'
Search Results
2. Separating pigments and fillers from the polymer matrix in acrylic colors subjected to natural aging
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D. Barni, L. Raimondo, A. Galli, S. Caglio, S. Mostoni, M. D’Arienzo, M. Martini, A. Sassella, Barni, D, Raimondo, L, Galli, A, Caglio, S, Mostoni, S, D'Arienzo, M, Martini, M, and Sassella, A
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Fluid Flow and Transfer Processes ,pigment ,General Physics and Astronomy ,acrylic colors - Abstract
Upon aging and exposure to ambient conditions, acrylic colors get dry and the degree of polymerization of the polymer matrix increases due to progressive cross-linking. When interested in studying acrylic colors, separation of the different components, namely matrix, pigments, and fillers, may be particularly useful for their identification and characterization. In the case of aged acrylic colors, as found in artworks themselves or in materials present in artist studios, the separation approaches requiring chemical treatments of fluid samples cannot be applied. To overcome this limit, here a controlled combustion strategy is developed for eliminating the polymer matrix from the color and then recovering a powder made of pigments and fillers, which is analyzed by optical spectroscopy and demonstrated to display the same chromatic/chemical properties of the original color. As a case study, the new method is successfully applied to acrylic colors used by the Italian artist Domenico “Ico” Parisi (1916–1996), found in the original tubes in his studio.
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- 2022
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3. Conceptual design of a high-brightness linac for soft X-ray SASE-FEL source
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D. Alesini, N. Zema, Bruno Spataro, M. Quattromini, Luigi Palumbo, Giuseppe Dattoli, Concetta Ronsivalle, R. Di Salvo, Daniele Sertore, M. Incurvati, V. Rossi Albertini, F. Sgamma, D. Barni, C. Schaerf, A. Fantini, R. Ricci, F. Marcellini, F. Flora, Andrea Doria, A. Drago, R. Boni, Simone Cialdi, A. Stecchi, Manuela Boscolo, C. Quaresima, V. Fusco, D. Giove, C. DeMartinis, Luigi Picardi, P.L. Ottaviani, M. Preger, Mario Mattioli, Giorgio Bellomo, Vittoria Petrillo, F. Broggi, Adolfo Esposito, M.E. Biagini, A. D'Angelo, Carlo Pagani, Luca Serafini, Carlo Vicario, F. Ciocci, Ilario Boscolo, Cristina Vaccarezza, C. Biscari, G. Medici, Decio Levi, M. Bonardi, Paolo Pierini, C. Maroli, Gian Piero Gallerano, E. Acerbi, Alberto Clozza, C. Birattari, F. Tazzioli, Susanna Guiducci, C. Milardi, L. Avaldi, P. Michelato, R. Bartolini, A. Ghigo, L. Catani, Mario Serio, Tommaso Prosperi, Alessandro Cianchi, P. Raimondi, P. Laurelli, Carlo Ligi, Alessandro Gallo, Massimo Ferrario, P. Perfetti, Luigi Pellegrino, D. Moricciani, M. G. Castellano, Giovanni Volpini, S. Bertolucci, G.S. Petrarca, Luca Giannessi, E. Chiadroni, Mikhail Zobov, Giuseppe Felici, Mauro Migliorati, G. Di Pirro, L. Monaco, Augusto Pifferi, G. Messina, Emilio Giovenale, C. Sanelli, Antonio Cricenti, Luca Mezi, A. Stella, M. Vescovi, Alberto Renieri, M. Mastrucci, Carmelita Carbone, Angelo Bosotti, and F. Alessandria
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Physics ,Nuclear and High Energy Physics ,Soft x ray ,Brightness ,high-brightness beams ,Photoinjector ,Linear particle accelerator ,soft X-ray FEL ,Settore FIS/04 - Fisica Nucleare e Subnucleare ,Research plan ,Conceptual design ,Systems engineering ,Instrumentation - Abstract
FELs based on SASE are believed to be powerful tools to explore the frontiers of basic sciences, from physics to chemistry to biology. Intense R&D programs have started in the USA and Europe in order to understand the SASE physics and to prove the feasibility of these sources. The allocation of considerable resources in the Italian National Research Plan (PNR) brought about the formation of a CNR–ENEA–INFN–University of Roma “Tor Vergata” study group. A conceptual design study has been developed and possible schemes for linac sources have been investigated, leading to the SPARX proposal. We report in this paper the results of a preliminary start to end simulation concerning one option we are considering based on an S-band normal conducting linac with high-brightness photoinjector integrated in an RF compressor.
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- 2003
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- View/download PDF
4. Superconducting accelerators for nuclear waste transmutation
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Paolo Pierini, C. Pagani, R. Parodi, Giorgio Bellomo, and D. Barni
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Physics ,Proton ,Nuclear transmutation ,Nuclear engineering ,Radioactive waste ,Superconducting magnet ,Condensed Matter Physics ,Subcritical reactor ,Linear particle accelerator ,Electronic, Optical and Magnetic Materials ,Nuclear physics ,Neutron flux ,Physics::Accelerator Physics ,Spallation ,Electrical and Electronic Engineering ,Nuclear Experiment - Abstract
High intensity proton accelerators, with energies in excess of 1 GeV, have been proposed for nuclear waste transmutation applications. The large neutron flux, obtained by the spallation target, further multiplied in a subcritical reactor, could open the possibility of closing the fuel cycle in nuclear energy production. This new accelerator application asks for high overall plug efficiency and reliability, together with low particle losses for hands-on maintenance. Superconducting RF technology seems to be the best solution above an energy of 100-200 MeV, for the design of a cost effective machine in terms of both capital and operational costs. In this paper we review the design of the INFN/ENEA TRASCO high-energy accelerator.
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- 1999
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5. ICARUS: An Innovative Large LAR Detector for Neutrino Physics
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C. Vignoli, G. Passardi, D. Barni, J. M. Disdier, and D. Rampoldi
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Physics ,ICARUS ,Cryostat ,Nuclear physics ,Neutrino detector ,Nuclear engineering ,Detector ,Water cooling ,Cryogenics ,Neutrino ,Particle detector - Abstract
ICARUS is an international project that foresees the installation of very large LAr detectors inside the Gran Sasso underground laboratory in order to be sensitive to rare phenomena of particle physics. The detection technique is based on the collection of electrons produced by particle interactions in LAr by a matrix of thousands of thin wires. At the moment the project foresees the installation of a 600,000‐kg vessel (T600). The total amount of LAr can be expanded in a modular way to masses of the order of 106 kg. The T600 houses two identical 300,000‐kg Ar sub‐cryostats that are aluminum boxes about 20‐m long, 4‐m high and 4‐m wide. Safety requirements for the underground installation have led to a unique design for the vessels to prevent LAr spillages even in the case of inner cryostat failure. Electrons must drift over meters requiring the development of special gas and liquid Ar purification units to provide an extremely high LAr purity (better then 0.1 ppb). The cooling system has been designed to ...
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- 2006
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6. Prototyping of a multicell superconducting cavity for acceleration of medium-velocity beams
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Gianluigi Ciovati, Richard York, Holger Podlech, Walter Hartung, Chris Compton, Carlo Pagani, Peter Kneisel, D. Barni, T.L. Grimm, and Paolo Pierini
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Physics ,Nuclear and High Energy Physics ,Range (particle radiation) ,Fabrication ,Physics and Astronomy (miscellaneous) ,Field (physics) ,business.industry ,Particle accelerator ,Surfaces and Interfaces ,law.invention ,Acceleration ,Optics ,Quality (physics) ,law ,lcsh:QC770-798 ,Speed of light ,lcsh:Nuclear and particle physics. Atomic energy. Radioactivity ,business ,Dimensionless quantity - Abstract
Three 6-cell 805 MHz superconducting cavity prototypes for acceleration in the velocity range of about 0.4 to 0.53 times the speed of light have been fabricated and tested. The quality factors (Q_{0}) were between 7×10^{9} and 1.4×10^{10} at the design field (accelerating gradient of 8–10 MV/m). The maximum gradients reached were between 11 and 16 MV/m; in each case, the Q_{0} values were ≥3×10^{9} at the maximum gradient. The design, fabrication, surface preparation, and rf testing of the 6-cell cavities are reported in this paper.
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- 2005
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7. Results of two LANL β = 0.1759, 350-MHz, 2-gap spoke cavities
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Jianfei Liu, A. Bosotti, D.L. Schrage, Carlo Pagani, Tsuyoshi Tajima, D. I. Montoya, J. E. Ledford, R.C. Gentzlinger, R.J. Roybal, R. L. Edwards, A.H. Shapiro, Frank L. Krawczyk, E. Zanon, D. Barni, and G. Corniani
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Nuclear physics ,Superconductivity ,Materials science ,Proton ,Field (physics) ,Advanced Accelerator Applications ,law ,Beta (plasma physics) ,Particle accelerator ,Atomic physics ,Linear particle accelerator ,Sheet resistance ,law.invention - Abstract
Two /spl beta/ = 0.175, 350 MHz, 2-gap superconducting (SC) spoke cavities were fabricated in industry under the Advanced Accelerator Applications (AAA) project for the transmutation of nuclear waste. These cavities are promising candidates for the accelerating structures between a RFQ and the elliptical SC cavities for proton and heavy ion linacs. Since their delivery in July 2002, they have been tested in terms of mechanical properties, low-temperature performance, i.e., Q/sub 0/-E/sub acc/ curves at 4 K and 2 K, surface resistance dependence on temperature and for multipacting (MP). The two cavities achieved accelerating fields of 13.5 MV/m and 13.0 MV/m as compared to the required field of 7.5 MV/m with enough margin for the quality factor. These cavities seem to need more time to condition away MP than elliptical cavities, but MP does not occur once the cavity is conditioned and kept at 4 K. The length of the 103 mm-diameter nominal coupler port was found to be too short for the penetrating field.
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- 2004
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8. Ptential for Realiability Improvement and Cost Optimazion of LINAC and Cyclotron Accelerators
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Pierini, Paolo, D. Barni, P. Michelato, L. Monaco, M. Novati, R. Paulon, P. Pierini, D. Sertore, C. Pagani, R. Ferdinand, H. Safa, S. Palanque, J.L. Biarrotte, C. Commeaux, T. Junquera, A.C. Mueller, A. Tkatchenko, L. Burgazzi, Y. Jongen, and D. Vandeplassche
- Abstract
This document identifies and discusses the proper design strategies that have been followed in order to meet the reliability and availability specifications for a high intensity proton accelerator meant as the spallation neutron driver for an eXperimental Driven System (XADS) for nuclear waste transmutation. The document describes also how these strategies can be applied in the different components of the XADS accelerator design, and how design iterations can lead to reliability improvements. The Failure Mode and Effect Analysis (FMEA) methodology has been used on the suggested design for highlighting the reliability critical areas. Finally, a first rough cost estimation of the XADS accelerator is also provided.
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- 2003
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9. The SPARC project: a high-brightness electron beam source at LNF to drive a SASE-FEL experiment
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D. Alesini, S. Bertolucci, M.E. Biagini, C. Biscari, R. Boni, M. Boscolo, M. Castellano, A. Clozza, G. Di Pirro, A. Drago, A. Esposito, M. Ferrario, V. Fusco, A. Gallo, A. Ghigo, S. Guiducci, M. Incurvati, P. Laurelli, C. Ligi, F. Marcellini, M. Migliorati, C. Milardi, L. Palumbo, L. Pellegrino, M. Preger, P. Raimondi, R. Ricci, C. Sanelli, F. Sgamma, B. Spataro, M. Serio, A. Stecchi, A. Stella, F. Tazzioli, C. Vaccarezza, M. Vescovi, C. Vicario, M. Zobov, E. Acerbi, F. Alessandria, D. Barni, G. Bellomo, I. Boscolo, F. Broggi, S. Cialdi, C. DeMartinis, D. Giove, C. Maroli, V. Petrillo, M. Rome, L. Serafini, E. Chiadroni, G. Felici, D. Levi, M. Mastrucci, M. Mattioli, G. Medici, G.S. Petrarca, L. Catani, A. Cianchi, A. D ’Angelo, R. Di Salvo, A. Fantini, D. Moricciani, C. Schaerf, R. Bartolini, F. Ciocci, G. Dattoli, A. Doria, F. Flora, G.P. Gallerano, L. Giannessi, E. Giovenale, G. Messina, L. Mezi, P.L. Ottaviani, L. Picardi, M. Quattromini, A. Renieri, C. Ronsivalle, L. Avaldi, C. Carbone, A. Cricenti, A. Pifferi, P. Perfetti, T. Prosperi, V. Rossi Albertini, C. Quaresima, and N. Zema
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- 2003
- Full Text
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10. Conceptual design of a soft X-ray SASE-FEL source
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L. Monaco, Augusto Pifferi, D. Alesini, P. Laurelli, M. Bonardi, Carlo Pagani, E. Acerbi, Carlo Vicario, R. Di Salvo, C. Biscari, Francesco Flora, V. Rossi Albertini, Angelo Stella, C. Maroli, M. Quattromini, M. Preger, Bruno Spataro, A. Fantini, A. Ghigo, P. Michelato, F. Sgamma, Enrica Chiadroni, C. Birattari, C. Milardi, Gian Piero Gallerano, Paolo Pierini, Andrea Doria, F. Tazzioli, A. Drago, Mario Serio, Alberto Renieri, F. Ciocci, G.S. Petrarca, Luigi Palumbo, M. G. Castellano, Emilio Giovenale, L. Catani, C. De Martinis, Alessandro Cianchi, Luca Giannessi, A. D'Angelo, Vittoria Petrillo, F. Marcellini, Massimo Ferrario, Tommaso Prosperi, M. Mastrucci, Luca Serafini, Carmelita Carbone, P. Raimondi, G. Di Pirro, Dario Giove, Angelo Bosotti, A. Stecchi, G. Messina, Luigi Pellegrino, Concetta Ronsivalle, Simone Cialdi, Manuela Boscolo, Cristina Vaccarezza, L. Avaldi, Alberto Clozza, C. Sanelli, Daniele Sertore, M.E. Biagini, Alessandro Gallo, Giorgio Bellomo, Luigi Picardi, G. Medici, D. Moricciani, Riccardo Bartolini, Decio Levi, Giovanni Volpini, Mikhail Zobov, P. Perfetti, Luca Mezi, F. Alessandria, Antonio Cricenti, Nicola Zema, C. Schaerf, M. Vescovi, D. Barni, R. Ricci, R. Boni, V. Fusco, Susanna Guiducci, Carlo Ligi, S. Bertolucci, Giuseppe Felici, Mauro Migliorati, Mario Mattioli, Giuseppe Dattoli, M. Incurvati, P.L. Ottaviani, Adolfo Esposito, Ilario Boscolo, C. Quaresima, and F. Broggi
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Physics ,Soft x ray ,business.industry ,Photoinjector ,Soft X-radiation ,Particle accelerator ,law.invention ,Settore FIS/04 - Fisica Nucleare e Subnucleare ,Research plan ,Optics ,Conceptual design ,law ,Systems engineering ,business ,X ray spectra - Abstract
FELs based on SASE are believed to be powerful tools to explore the frontiers of basic sciences, from physics to chemistry to biology. Intense R&D programs have started in the USA and Europe in order to understand the SASE physics and to prove the feasibility of these sources. The allocation of considerable resources in the Italian National Research Plan (PNR) brought about the formation of a CNR‐ENEA‐INFN‐University of Roma “Tor Vergata” study group. A conceptual design study has been developed and possible schemes for linac sources have been investigated, bringing to the SPARX proposal. We report in this paper the results of a preliminary start to end simulation concerning one option we are considering based on an S‐band normal conducting linac with high brightness photoinjector integrated in a RF compressor.
- Published
- 2003
11. A high current superconducting proton linac for an accelerator driven transmutation system
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C. Pagani, Paolo Pierini, Gil Travish, D. Barni, R. Parodi, G. Bellomo, and A. Bosotti
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Physics ,Nuclear physics ,Upgrade ,Nuclear transmutation ,law ,Nuclear engineering ,Context (language use) ,Spallation ,Neutron ,Particle accelerator ,Linear particle accelerator ,Synchrotron ,law.invention - Abstract
High current CW proton linac accelerators have been recently proposed for a number of applications based on the use of a large flux of spallation neutrons. In this context, an R&D program on an accelerator driven system for nuclear waste transmutation has been recently approved in Italy. Our specific task is to develop, together with the national industry, a design of the high energy part of the proton accelerator, along with prototype development for the most critical components. In this paper we present a revised version of the design proposed at Linac'96, using five cell cavities, rather than the original four cells. This modification, together with a new criterion for using the transit time factor curve for non resonant proton velocities, results in a more modular and efficient design. A 1.6 GeV linac, operated at 25 mA, allows to reach 40 MW beam power. The beam power upgrade is achievable using additional couplers per cavity.
- Published
- 2002
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12. First-year experience with the BaBar silicon vertex tracker
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C. Hast, M. Bondioli, I. Defendi, M. Wilder, E. Charles, G. Calderini, D. A. Roberts, A. M. Eisner, G. Giraudo, F. Sandrelli, Francesco Lanni, Alessandra Romero, M. Folegani, A. B. Breon, Nicola Neri, K. Hall, F. Palombo, Vivek Sharma, W. Kroeger, J. May, D. Zanin, Filippo Bosi, Owen Rosser Long, E. Brenna, W. Orejudos, A. Seiden, R. P. Johnson, G. Vuagnin, G. Lynch, Corrado Angelini, J. J. Walsh, A. Smol, Brad Abbott, V. Carassiti, M. Pedrali-Noy, J. R. Schieck, M. Turri, Wouter Verkerke, C. Bozzi, S. Bettarini, D. Barni, Alberto Lusiani, Q. Fan, D. Gamba, Alexander Grillo, S. Dittongo, G. Della Ricca, Matteo Rama, Danilo Giugni, E. Paoloni, L. Bosisio, A. Frey, Paola Grosso, P. Poropat, A. R. Clark, R. Vitale, A. Profeti, S. L. Levy, A. Perazzo, Marcella Bona, J. D. Richman, C. Roat, E. Mandelli, N. Kuznetsova, G. Rizzo, C. H. Cheng, P.F. Manfredi, P.P. Trapani, S.F. Dow, E.N. Spencer, M. Nyman, I.J. Scott, Mario Giorgi, S. Tritto, I. Rashevskaia, P.A. Hart, Daniel E. Hale, A. Pompili, Michael S. Witherell, M. Prest, M. E. Levi, Wolfgang Walkowiak, F. Bianchi, Patricia R. Burchat, L. Luo, A. Cotta Ramusino, A. Eppich, L. T. Kerth, P. Mammini, Natalie A. Roe, I. Kipnis, Armin Karcher, T. Pulliam, L. Piemontese, D. Kirkby, L. Lanceri, J. Nielsen, S. Kyre, S. Burke, W.A. Rowe, M. Carpinelli, J. Beringer, M. Morganti, D. Callahan, G. Batignani, G. Zizka, Gabriele Simi, C. Rastelli, B. Dahmes, G. Rampino, Fabio Morsani, P. Luft, Claudio Campagnari, Stefan Kluth, F. Forti, A. Leona, R. E. Schmitz, B. Di Girolamo, Peter Elmer, W. S. Lockman, H. Zobernig, T. I. Meyer, C. Hernikl, F. Daudo, M. Grothe, E.P. Potter, D. Gagliardi, F. Goozen, V. Vaniev, Valerio Re, G. Triggiani, A. C. Forti, E. Vallazza, Bozzia, C, Carassiti, V, Ramusino, A, Dittongo, S, Folegani, M, Piemontese, L, Abbott, B, Breon, A, Clark, A, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, L, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, N, Zizka, G, Roberts, D, Schieck, J, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, P, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Forti, F, Gagliardi, D, Giorgi, M, Lusiani, A, Mammini, P, Morganti, M, Morsani, F, Neri, N, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Walsh, J, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Rashevskaia, I, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, E, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, A, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Pulliam, T, Rowe, W, Schmitz, R, Seiden, A, Spencer, E, Turri, M, Walkowiak, W, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Zobernig, H, Bosisio, Luciano, DELLA RICCA, Giuseppe, Lanceri, Livio, and Poropat, Paolo
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Nuclear and High Energy Physics ,Vertex (computer graphics) ,silicon vertex tracker ,BABAR ,BaBar experiment ,STRIPS ,Radiation ,PARTICLE PHYSICS ,PEP2 ,Silicon-strip detector ,law.invention ,TRACKER ,irradiation ,Optics ,law ,Silicon Detectors ,MICROVERTEX DETECTOR ,Instrumentation ,Image resolution ,Physics ,business.industry ,Detector ,Photodiode ,Radiation monitoring ,business - Abstract
Within its first year of operation, the BaBar Silicon Vertex Tracker (SVT) has accomplished its primary design goal, measuring the z vertex coordinate with sufficient accuracy as to allow the measurement of the time-dependent CP asymmetry in the neutral B-meson system. The SVT consists of five layers of double-sided, AC-coupled silicon-strip detectors of 300 μm thickness with a readout strip pitch of 50–210 μm and a stereo angle of 90° between the strips on the two sides. Detector alignment and performance with respect to spatial resolution and efficiency in the reconstruction of single hits are discussed. In the day-to-day operation of the SVT, radiation damage and protection issues were of primary concern. The SVT is equipped with a dedicated system (SVTRAD) for radiation monitoring and protection, using reverse-biased photodiodes. The evolution of the SVTRAD thresholds on the tolerated radiation level is described. Results on the first-year radiation exposure as measured with the SVTRAD system and on the so far accumulated damage are presented. The implications of test-irradiation results and possible future PEP-II luminosity upgrades on the radiation limited lifetime of the SVT are discussed.
- Published
- 2001
13. First observation of self-amplified spontaneous emission in a free-electron laser at 109 nm wavelength
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Rolf Treusch, M. Körfer, U. C. Müller, Philippe Piot, M. Wendt, Matthias Liepe, Petra Schütt, Thomas Weiland, E.L. Saldin, Daniele Sertore, Lu Fu Hai, V. Verzilov, V. V. Katelev, A. Bazhan, R. Lange, J. Kahl, K. Rehlich, Peter Schmüser, Martin Dohlus, P. Castro, Jacek Krzywinski, B. Sonntag, Jacek Sekutowicz, H. T. Edwards, Ingo Will, M. Leenen, M. Castellano, Thorsten Kamps, Frank Stephan, M. Maslov, A. Gamp, M. Jablonka, R. Brinkmann, Z. Sanok, M. Bernard, A. Novokhatski, P. Jurkiewicz, Valeri Ayvazyan, M. Werner, J. L. Kirchgessner, Rainer Wanzenberg, S. Simrock, M. Tonutti, S. Chel, U. Hahn, Mikhail Yurkov, Siegfried Schreiber, Martin Timm, H. Kaiser, W. Brefeld, Jörg Rossbach, R. Ischebek, Paolo Pierini, Carlo Pagani, G. Kreps, J. C. Bourdon, R. Lorenz, J. Lesrel, K. Zapfe, D. Trines, James Rosenzweig, D. Reschke, V. Gretchko, Hasan Padamsee, M. Desmons, A. Bosotti, I. Reyzl, B. Aune, P. Zhogolev, D. Proch, W.-D. Möller, B. Petersen, W. H. Hartung, J. Pflüger, Ch. Gerth, J. Menzel, Jochen R. Schneider, Y. Cho, Olivier Napoly, G. V. Walter, M. Ferrario, T. Vielitz, B. Sparr, F. Peters, S. Choroba, Klaus Flöttmann, J. Weisend, L. Catani, S. Wolff, V. Vogel, F. Zhou, T. Limberg, S. Buhler, S. Tazzari, A. Matheisen, V. Sytchev, Emil Trakhtenberg, J. M. Joly, A. Kabel, D. A. Edwards, Evgeny Schneidmiller, Luca Serafini, S. Roth, H. Weise, Maury Tigner, L. Kravchuk, Tomas Junquera, B. Leblond, J. Andruszkow, J. Feldhaus, T. Lokajczyk, R. Bakker, Gerhard Schmidt, H. J. Schreiber, M. Omeich, Paolo Michelato, D. Barni, N. Baboi, Wolfgang Sandner, F. Tazzioli, Meredith M. White, M. Geitz, M. Hüning, Sven Reiche, M. Fouaidy, Michael J. Fitch, P.K. Den Hartog, Lukasz Plucinski, B. Phung Ngoc, Bart Faatz, A. Mosnier, T. Garvey, W. Decking, E. R. Colby, C. Magne, V. Balakin, Efim Gluskin, Lu Hui Hua, Stefan Setzer, D. Hubert, Holger Schlarb, G. Materlik, Jean-Paul Carneiro, M. Juillard, A. Liero, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire d'Orsay (IPNO), TESLA, and Robert, Suzanne
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Accelerator Physics (physics.acc-ph) ,Amplified spontaneous emission ,Self-amplified spontaneous emission ,FOS: Physical sciences ,General Physics and Astronomy ,7. Clean energy ,01 natural sciences ,law.invention ,Optics ,law ,0103 physical sciences ,Spectral width ,ddc:550 ,Spontaneous emission ,Stimulated emission ,[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det] ,010306 general physics ,Physics ,010308 nuclear & particles physics ,business.industry ,Free-electron laser ,Gain ,Laser ,3. Good health ,[PHYS.PHYS.PHYS-INS-DET] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det] ,Physics::Accelerator Physics ,Physics - Accelerator Physics ,Atomic physics ,business - Abstract
We present the first observation of Self-Amplified Spontaneous Emission (SASE) in a free-electron laser (FEL) in the Vacuum Ultraviolet regime at 109 nm wavelength (11 eV). The observed free-electron laser gain (approx. 3000) and the radiation characteristics, such as dependency on bunch charge, angular distribution, spectral width and intensity fluctuations all corroborate the existing models for SASE FELs., 6 pages including 6 figures; e-mail: joerg.rossbach@desy.de
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- 2000
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14. The design and construction of the BaBar silicon vertex tracker
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A. Frey, Matteo Rama, I. Defendi, Marcella Bona, G. Rampino, J. D. Richman, Fabio Morsani, N. Kuznetsova, G. Rizzo, I.J. Scott, P. Luft, Stefan Kluth, C. Angelini, Vivek Sharma, E. Paoloni, Danilo Giugni, M. Bondioli, M. Folegani, L. T. Kerth, Marcello Giorgi, E. Charles, J. May, A. Profeti, R. Vitale, S. L. Levy, A. Perazzo, D. Zanin, M. E. Levi, E. Mandelli, A. Leona, Peter Elmer, P.P. Trapani, W. Orejudos, R. P. Johnson, G. Vuagnin, Patricia R. Burchat, S. Burke, W.A. Rowe, L. Luo, A. Cotta Ramusino, S. Dittongo, V. Carassiti, Michael S. Witherell, D. A. Roberts, G. Della Ricca, S.F. Dow, Alessandra Romero, E. Brenna, F. Sandrelli, Claudio Campagnari, F. Daudo, L. Bosisio, D. Gagliardi, A. Smol, D. Gamba, M. Carpinelli, A. Pompili, F. Palombo, M. Morganti, P.F. Manfredi, N. A. Roe, Alexander Grillo, M. Prest, G. Batignani, K. Hall, F. Bianchi, Paola Grosso, F. Forti, C. H. Cheng, J. J. Walsh, G. Zizka, C. Bozzi, A. Eppich, J. Nielsen, Daniel E. Hale, A. R. Clark, I. Kipnis, Gabriele Simi, G. Lynch, S. Kyre, D. Callahan, C. Roat, R. E. Schmitz, W. S. Lockman, L. Lanceri, B. Di Girolamo, W. Kroeger, Alberto Lusiani, C. Rastelli, Fernando Dutra, J. Beringer, T. Pulliam, D. Kirkby, Armin Karcher, B. Dahmes, P.A. Hart, A. M. Eisner, E.N. Spencer, Filippo Bosi, Owen Rosser Long, P. Poropat, D. Barni, Valerio Re, G. Triggiani, A. Seiden, C. Hast, Brad Abbott, M. Nyman, M. Pedrali-Noy, H. Zobernig, P. Mammini, M. Turri, A. C. Forti, S. Tritto, M. Wilder, G. Calderini, Wouter Verkerke, G. Giraudo, Francesco Lanni, A. B. Breon, T. I. Meyer, E. Vallazza, C. Hernikl, S. Bettarini, M. Grothe, V. Vaniev, L. Piemontese, E.P. Potter, F. Goozen, Q. Fan, Bozzi, C, Carassiti, V, Ramusino, Ac, Dittongo, S, Folegani, M, Piemontese, L, Abbott, Bk, Breon, Ab, Clark, Ar, Dow, S, Fan, Q, Goozen, F, Hernikl, C, Karcher, A, Kerth, Lt, Kipnis, I, Kluth, S, Lynch, G, Levi, M, Luft, P, Luo, L, Nyman, M, Pedrali Noy, M, Roe, Na, Zizka, G, Roberts, D, Barni, D, Brenna, E, Defendi, I, Forti, A, Giugni, D, Lanni, F, Palombo, F, Vaniev, V, Leona, A, Mandelli, E, Manfredi, Pf, Perazzo, A, Re, V, Angelini, C, Batignani, G, Bettarini, S, Bondioli, M, Bosi, F, Calderini, G, Carpinelli, M, Dutra, F, Forti, F, Gagliardi, D, Giorgi, Ma, Lusiani, Alberto, Mammini, P, Morganti, M, Morsani, F, Paoloni, E, Profeti, A, Rama, M, Rampino, G, Rizzo, G, Sandrelli, F, Simi, G, Triggiani, G, Tritto, S, Vitale, R, Burchat, P, Cheng, C, Kirkby, D, Meyer, T, Roat, C, Bona, M, Bianchi, F, Daudo, F, Di Girolamo, B, Gamba, D, Giraudo, G, Grosso, P, Romero, A, Smol, A, Trapani, P, Zanin, D, Bosisio, L, Della Ricca, G, Lanceri, L, Pompili, A, Poropat, P, Prest, M, Rastelli, C, Vallazza, E, Vuagnin, G, Hast, C, Potter, Ep, Sharma, V, Burke, S, Callahan, D, Campagnari, C, Dahmes, B, Eppich, A, Hale, D, Hall, K, Hart, P, Kuznetsova, N, Kyre, S, Levy, S, Long, O, May, J, Richman, J, Verkerke, W, Witherell, M, Beringer, J, Eisner, Am, Frey, A, Grillo, A, Grothe, M, Johnson, R, Kroeger, W, Lockman, W, Pulliam, T, Rowe, W, Schmitz, R, Seiden, A, Spencer, E, Turri, M, Wilder, M, Charles, E, Elmer, P, Nielsen, J, Orejudos, W, Scott, I, Walsh, J, Zobernig, H., Ramusino, A, Abbott, B, Breon, A, Clark, A, Kerth, L, Roe, N, Manfredi, P, Giorgi, M, Lusiani, A, Potter, E, Eisner, A, Zobernig, H, DELLA RICCA, Giuseppe, Lanceri, Livio, and Poropat, Paolo
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Nuclear and High Energy Physics ,Vertex (computer graphics) ,Silicon ,Integrated circuit ,Physics::Instrumentation and Detectors ,BABAR ,Silicon sensor ,chemistry.chemical_element ,BaBar experiment ,PARTICLE PHYSICS ,PEP2 ,law.invention ,b-factory ,Data acquisition ,law ,Instrumentation ,Physics ,silicon strip ,business.industry ,Emphasis (telecommunications) ,Detector ,Data communication system ,Silicon Vertex Tracker ,Digital signal processing ,B-factory ,chemistry ,High Energy Physics::Experiment ,business ,Computer hardware ,Readout system ,Particle beam tracking - Abstract
The Silicon Vertex Tracker (SVT) of the BaBar experiment at the PEP-II asymmetric B factory consists of five layers of double-sided, AC-coupled silicon strip detectors. The detectors are readout with a custom IC, capable of simultaneous acquisition, digitization and transmission of data. The SVT geometry is shown and the construction phases of its modules are described in detail, with emphasis on the bending procedures needed for the arch-modules of the outer layers. (C) 2000 Elsevier Science B.V. All rights reserved.
- Published
- 2000
15. Cooldown Symulations for TESLA Test Facility (TTF) Cryostats
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M. Todero, Paolo Pierini, D. Barni, and Carlo Pagani
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Cryostat ,Cooling pipe ,Test facility ,Materials science ,chemistry ,Aluminium ,Nuclear engineering ,Thermal ,chemistry.chemical_element ,Shields ,Thermal analysis ,Finite element method - Abstract
The first TTF cryostat has been tested in June 1997 and monitored to study the deformations produced during the cool-down procedure. A numerical study of the thermal shields of the cryostat has been carried out with finite element analysis simulations. The results allowed to understand the effect of the cooldown on the TTF cryostat.
- Published
- 1998
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16. Design of the Thermal Shields for the New Improved Version of the TESLA Test Facility (TTF) Cryostat
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Carlo Pagani, D. Barni, Paolo Pierini, M. Bonezzi, and J. G. Weisend
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Cryostat ,Engineering ,Test facility ,business.industry ,Nuclear engineering ,Shields ,DESY ,Welding ,Technical design ,law.invention ,law ,Cryomodule ,Thermal ,business - Abstract
One of the principal goals of the ongoing TTF project is to produce prototype low cost and reliable cryomodules meeting the stringent requirements for TESLA. The first cryomodule was assembled and tested at DESY. The experience gained during the design and the commissioning suggested new solutions to improving the technical design.
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- 1998
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17. Construction, Commissioning, and Cryogenic Performances of the First TESLA Test Facility (TTF) Cryomodule
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H. Kaiser, R. Bandelmann, R. Lange, D. Sellmann, A. Bosotti, D. Barni, B. Petersen, G. Grygiel, Paolo Pierini, F. Loeffler, U. Knopf, Carlo Pagani, J. G. Weisend, S. Wolff, and O. Peters
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Cryostat ,Materials science ,Physics::Instrumentation and Detectors ,Nuclear engineering ,Cryomodule ,Electromagnetic shielding ,Vertical direction ,Physics::Accelerator Physics ,Shields ,Cryogenics ,Quadrupole magnet ,Beam (structure) - Abstract
A principal goal of the ongoing TESLA superconducting linac project is the production of affordable cryostats that still meet stringent requirements for alignment, vibration and heat leak. Each cryostat contains 8 superconducting RF cavities cooled to 1.8 K, a quadrupole magnet package cooled to 4.5 K, thermal shields cooled to 70 K and 4.5 K, active and passive magnetic shielding, cryogenic service pipes and all associated instrumentation. The axes of the 8 cavities must be aligned to the ideal beam axis to within ± 0.5 mm and those of the quadrupoles to within ± 0.1 mm. Additionally, the vertical mid plane of the quadrupole package must be aligned to the vertical direction to ± 0.1 mrad. These alignments must remain fixed after cool down and during operation. The cryostat must be designed so that there are no resonant vibration modes near the 10 Hz operating frequency of the accelerator. Although dynamic loads associated with the operation of the RF and the beam dominate the heat load, reasonable efforts to reduce the static heat leak into the cryostat are necessary.
- Published
- 1998
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18. P847: MRD BY MASS SPECTROMETRY IN PERIPHERAL BLOOD AND NEXT GENERATION SEQUENCING IN BONE MARROW IN A PHASE 2 STUDY OF DARATUMUMAB, CARFILZOMIB, LENALIDOMIDE, AND DEXAMETHASONE FOR MULTIPLE MYELOMA
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B. Derman, J. Rosenblatt, D. Avigan, A. Major, M. Rampurwala, D. Barnidge, A. Stefka, K. Jiang, and A. Jakubowiak
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Diseases of the blood and blood-forming organs ,RC633-647.5 - Published
- 2022
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19. Basis for the reliability analysis of the proton linac for an ADS program
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M. Novati, Paolo Michelato, Daniele Sertore, Laura Monaco, L. Burgazzi, R. Paulon, P. Pierini, Carlo Pagani, and D. Barni
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Engineering ,Identification (information) ,Assembly systems ,Basis (linear algebra) ,business.industry ,Component (UML) ,business ,Failure mode and effects analysis ,Reliability (statistics) ,Linear particle accelerator ,Design characteristics ,Simulation ,Reliability engineering - Abstract
In the framework of the ADS projects (Accelerator Driven System) developing worldwide, a reliability activity is on going to validate and qualify the linac accelerator design with focus on the general operational and design characteristics that shape the accelerator performance. Further quantitative results should be based on estimations mostly deriving from operational surveys at existing accelerator facilities. Currently, a validated accelerator component reliability data base has not yet been assembled, and because of the early stage of the ADS design in which several systems are not established at this time the topic can be addressed by the application of a preliminary FMEA (Failure Mode and Effect Analysis) methodology, helpful in the identification of reliability-critical areas, where modifications to the design can help to reduce the probability of system failures. In this paper, the preliminary results of this activity are presented together with possible solutions to improve the reliability of the reference linac design.
20. Niobium cavity development for the high-energy linac of the Rare Isotope Accelerator
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P. Kneisel, G. Ciovati, H. Podlech, Chris Compton, P. Pierini, Walter Hartung, D. Barni, Richard York, T.L. Grimm, and C. Pagani
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Cryostat ,Fabrication ,Materials science ,Niobium ,chemistry.chemical_element ,Particle accelerator ,Accelerators and Storage Rings ,Linear particle accelerator ,law.invention ,Nuclear physics ,chemistry ,law ,Beta (plasma physics) ,Neutron source ,Spallation - Abstract
This paper will cover the design of a 6-cell /spl beta//sub g/ = 0.47 cavity for the Rare Isotope Accelerator, as well as the fabrication and RF testing of single-cell prototypes. Single-cell prototypes were chosen as a first step, as they provide a quick and inexpensive way to find out whether the desired field level and Q can be reached, and to check for problems with multipacting. An accelerating gradient of 8 MV/m was chosen as a goal for the /spl beta//sub g/ = 0.47 cavity.
21. Superconducting prototype cavities for the Spallation Neutron Source (SNS) project
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K. Davis, Gianluigi Ciovati, R. Bundy, D. Barni, D. Schrage, S. Morgan, J. Brawley, Sang-Ho Kim, K. Matsumoto, D. Machie, I.E. Campisi, Roland W. Mitchell, R. Sundelin, K. Wilson, K. Macha, Carlo Pagani, P. Ylae-Oijala, John Mammosser, Paolo Pierini, Jacek Sekutowicz, R. Parodi, Marc Doleans, P. Kneisel, Larry Turlington, and D. Mangra
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p: linear accelerator ,multipole [electromagnetic field] ,Q value ,linear accelerator [p] ,coupling [microwaves] ,talk: Chicago 2001/06/18 ,Linear particle accelerator ,law.invention ,Nuclear physics ,microwaves: coupling ,law ,secondary beam [n] ,fission ,Spallation ,electromagnetic field: multipole ,Chicago 2001/06/18 [talk] ,Physics ,n: secondary beam ,n: particle source ,Particle accelerator ,Accelerators and Storage Rings ,Cryomodule ,Q factor ,particle source [n] ,Neutron source ,RF system: superconductivity ,superconductivity [RF system] ,niobium ,Spallation Neutron Source - Abstract
The 2001 Particle Accelerator Conference, PAC2001, Chicago, USA, 18 Jun 2001 - 22 Jun 2001; 484-486 (2001)., The Spallation Neutron Source project includes a superconducting linac section in the energy range from 186 MeV to 1000 MeV. For this energy range two types of cavities are needed with geometrical $\beta$ values of $\beta$=0.61 and $\beta$=0.81. An aggressive cavity prototypingprogram is being pursued at Jefferson Lab, which calls for fabricating and testing four $\beta$=0.61 cavities and two $\beta$=0.81 cavities. Both types consist of six cells made from high purity niobium and feature one HOM coupler of the TESLA type on each beam pipe and a port for a highpower coaxial input coupler. Three of the four $\beta$=0.61 cavities will be used for a cryomodule test at the end of 2001. Two cavities of each type have been fabricated and the first tests on both cavities exceeded the design values for gradient and $Q$ value: $E_{acc}$ = 10.1 MV/mand $Q$ = 5×10$^9$ at 2.1K for the $\beta$=0.61 and $E_{acc}$ = 12.5 MV/m and $Q$ = 5×10$^9$ at 2.1 K for the $\beta$=0.81.
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22. Thermal properties measurements using Laser Flash technique at cryogenic temperature
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P. Michelato, Giuseppe Penco, Carlo Pagani, and D. Barni
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Materials science ,Metallurgy ,Niobium ,chemistry.chemical_element ,Cryogenics ,Laser ,Copper ,Accelerators and Storage Rings ,Stiffening ,law.invention ,Thermal conductivity ,chemistry ,Thermocouple ,law ,Composite material ,Thermal spraying - Abstract
In the frame of the Italian TRASCO program, we have studied the possibility to stiffening SC cavities by deposition of thermal sprayed copper on thin niobium. We have investigated the use of the laser flash technique to test the thermal conductivity in the normal direction of deposited copper with the pure coat technique. The use of Au-Fe/Cromel P thermocouples as temperature sensors, motivated by the need to adapt the classical technology from room temperature to the cryogenic environment, allowed the thermal transient study. A great effort has been spent to develop data analysis procedures, in order to reduce noise and heat dissipation effects. The measurements have demonstrated the reliability of the apparatus and the results confirm the interest in the copper spraying stiffening for the SC cavities.
23. Status of the High Energy SC Linac for the TRASCO Program
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R. Paulon, P. Pierini, G. Bellomo, D. Sertore, A. Bosotti, P. Michelato, C. Pagani, G. Varisco, and D. Barni
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Physics ,Nuclear physics ,High energy ,Nuclear transmutation ,Nuclear engineering ,Beta (plasma physics) ,Radioactive waste ,Accelerators and Storage Rings ,Linear particle accelerator - Abstract
The status of the activities for the superconducting high energy linac of the TRASCO Program for an ADS system for nuclear waste transmutation is presented here. The design of a 1-2 GeV, 30 mA, linac at 704.4 MHz is briefly discussed. The results on the cavity prototypes of the low-/spl beta/ cavities (/spl beta/=0.5) are reported.
24. Like parents, like children… this is not always the case! A longitudinal study on the family transmission of intergroup contact.
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Pagano M, Zagrean I, Barni D, and Crocetti E
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During adolescence, opportunities for interethnic interactions can shape future attitudes toward diversity. However, it is unclear how family can influence adolescents' quality of contact in different life contexts. This study aims to fill this gap. A sample of 702 Italian adolescents (M
age = 15.61, SDage = 1.11, 48.58% girls) and their parents (615 mothers, Mage = 48.45, SDage = 4.34; 487 fathers, Mage = 51.22, SDage = 4.92) completed questionnaires at two time points. Cross-lagged models indicated that adolescents' intergroup contact at T1 was associated with mothers' contact over time, mainly in structured (i.e., school and work) contexts. No significant associations were found regarding fathers' intergroup contact and unstructured contexts. These results shed new light on the process of family transmission during adolescence, particularly regarding intergroup dynamics., (© 2024 The Author(s). Journal of Research on Adolescence published by Wiley Periodicals LLC on behalf of Society for Research on Adolescence.)- Published
- 2024
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25. Sense of coherence and Covid-19 related stress: A three-wave longitudinal study.
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Danioni F, Sorgente A, Lanz M, Iafrate R, Regalia C, Rosnati R, and Barni D
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Sense of coherence (SOC) is the fundamental concept of the salutogenic approach to health promotion. The main aim of the current longitudinal study is to consider whether SOC has had a positive effect in reducing people's levels of stress during the prolonged time of the pandemic or rather stress has posed a threat to SOC. A large sample of Italian adults completed an online questionnaire at three different moments of the Covid-19 pandemic (from March 2020 to May 2021). To test the reciprocal associations between SOC and stress we estimated a cross-lagged panel model. Results questioned the stability of SOC, which changed across the different moments of the pandemic, and its causal role with respect to stress since, after controlling for gender and age, it emerged a significant effect only from stress to SOC. The implications of these results and the further expansions of the study are discussed., Competing Interests: Declaration of conflicting interestsThe authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
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- 2024
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26. Trait emotional intelligence and ecological outcomes: the role of connectedness to nature.
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Marchetti V, Panno A, Scopelliti M, Romano L, Angelini G, Rinallo E, Barni D, and Fiorilli C
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- Young Adult, Humans, Adult, Adolescent, Climate Change, Emotional Intelligence, Emotions, Love
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Background: Global climate change is recognized as a major and irreversible challenge for humanity, requiring people's responsible and sustainable behaviors toward the environment. So far, the literature has widely investigated the role of cognitive determinants of ecological outcomes (e.g., pro-environmental behaviors and climate change perception), while less attention has been devoted to emotional processes, such as trait emotional intelligence (TEI). The current double study investigates whether TEI is directly and indirectly associated with climate change perception (CCP, Study 1) and pro-environmental behaviors (PEBs, Study 2) among young adults. Furthermore, the mediating role of connectedness to nature (CN), both as cognitive and emotional factors, was also analyzed. We hypothesized that CN (i.e., cognitive mediator) would positively mediate the relationship between TEI and CCP (H1), and Love and Care for Nature (LCN, i.e., emotional mediator) would positively mediate the relationship between TEI and PEBs (H2)., Methods: The study involved 342 young adults (F = 60.7%; age 19-40; M
age =22.99; SD = 2.66) in Study 1 and 365 young adults (F = 71.2%; age 17-35; Mage =22.2; SD = 3.98) in Study 2. Data were collected through an online tool shared by the snowball method. We administered the following self-reports: Trait Emotional Intelligence Questionnaire- Short Form (TEIQue- SF), Global Climate Change (GCC), and Connectedness to Nature Scale (CNS) (Study 1); Trait Emotional Intelligence Questionnaire- Short Form (TEIQue-SF), General Environmental Behaviors Scale (GEB), and Love and Care for Nature (LCN) (Study 2)., Results: Findings from Study 1 showed that higher TEI levels enhance CN (i.e., cognitive mediator), positively influencing CCP (estimate = 0.14; 95% CI = 0.07 to 0.23). Findings from Study 2 showed that higher TEI levels are associated with higher LCN levels (i.e., emotional mediator), influencing people's engagement in PEBs (estimate = 0.7; 95% CI = 0.03 to 0.11)., Conclusion: It is crucial to design environmental education programs that promote greater emotional intelligence ability and encourage individuals' involvement in ecological outcomes., (© 2024. The Author(s).)- Published
- 2024
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27. Promoting Women's Well-Being: A Systematic Review of Protective Factors for Work-Family Conflict.
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Cavagnis L, Russo C, Danioni F, and Barni D
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- Child, Humans, Female, Aged, Protective Factors, Cross-Sectional Studies, Family Relations, Family Conflict, Adaptation, Psychological
- Abstract
Work-family conflict is a prominent issue, especially in our society, where people are expected to fulfil many roles simultaneously. Work and family life demands significantly impact an individual's overall well-being, especially for women, since they typically balance caregiving for children and elderly relatives with careers. Therefore, highlighting which factors might protect women from experiencing work-family conflict is essential to enhance women's and their family's well-being. Thus, the main aim of the present study was to systematically review previous research on women's coping strategies and protective factors which can reduce the negative effects of work-family conflict. Following the PRISMA guidelines, we conducted a literature search of three databases (PubMed, PsycINFO, and Scopus). After the screening and the eligibility phases, we included a final set of 13 studies. Most of these studies adopted a cross-sectional design (N = 10), and a few adopted a longitudinal one (N = 3). Results highlighted the role of different personal (e.g., hardiness, self-esteem, locus of control) and relational factors (e.g., family and work support) that significantly reduce the negative effects of work-family conflict in women's lives. Findings, practical implications, and future research directions are discussed.
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- 2023
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28. The Italian version of the "tool to measure parental self-efficacy-short form": psychometric properties of the measure and initial validation.
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Boldrini F, Ragni B, Russo C, Barni D, and De Stasio S
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- Child, Female, Humans, Psychometrics methods, Reproducibility of Results, Surveys and Questionnaires, Italy, Self Efficacy, Parents psychology
- Abstract
Background and Aim: Parental self-efficacy is recognized as a core element of the transition to parenthood process. It affects parental mental health, as well as children's psychosocial, neurodevelopmental and health outcomes since early infancy. Parents with higher parenting self-efficacy have a higher likelihood of engaging in quality parenting practices that support optimal self-regulation development in children. Our study evaluated the psychometric properties of the Italian TOPSE-Short Form (I-TOPSE-SF) questionnaire., Methods: 673 Italian mothers (Mage=37.5; SD=5.7) of children aging 0 to 6 years (Mage=3.9; SD=1.7) were involved in this study., Results: Initial results of Confirmatory Factor Analysis highlighted that the fit indices of the hypothesized 6-factor structure of the TOPSE weren't satisfactory. Acceptable internal consistencies for the total score and the six dimensions of the measure were observed. Evidence for convergent and divergent validity were provided., Conclusions: The I-TOPSE-SF could be a valuable tool to assess parental self-efficacy up to school age, but it is in need of further considerations about its measurement properties.
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- 2023
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29. COVID-19-Related Stress and Resilience Resources: A Comparison Between Adoptive and non-Adoptive Mothers.
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Ferrari L, Canzi E, Barni D, Ranieri S, Danioni FV, La Fico G, and Rosnati R
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Despite an increasing interest in how adoptive parents deal with situations appraised as stressful, there is a lack of research regarding adoptive parents' adjustment to the challenges posed by the prolonged COVID-19 pandemic. The current study explores similarities and differences between adoptive and non-adoptive mothers in terms of risks (i.e., COVID-19-related stress) and individual (i.e., sense of coherence [SOC]), couple (i.e., partner's support), parent-child (i.e., parent-child relationship satisfaction), and social (i.e., friends' support) resources in the face of the prolonged COVID-19 pandemic. Specifically, the present study was aimed at predicting which variables discriminate more effectively between the two groups. Participants were 445 Italian mothers (40.9% adoptive mothers), who were asked to fill in an anonymous online survey between May 2021 and October 2021. Results showed that adoptive and non-adoptive mothers reported different resilience resources to face the stressors posed by the health emergency. Specifically, COVID-19 traumatic stress symptoms, parent-child relationship satisfaction, and SOC were found to contribute most in discriminating between the two groups. Findings are discussed in relation to future research developments and practical implications., Competing Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s) 2022.)
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- 2023
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30. The enduring role of sense of coherence in facing the pandemic.
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Danioni F, Barni D, Ferrari L, Ranieri S, Canzi E, Iafrate R, Lanz M, Regalia C, and Rosnati R
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- Humans, Female, Adolescent, Young Adult, Adult, Middle Aged, Aged, Aged, 80 and over, Male, Pandemics, Mental Health, COVID-19, Sense of Coherence, Stress Disorders, Post-Traumatic diagnosis, Stress Disorders, Post-Traumatic psychology
- Abstract
Research has been focussing on protective and resistance-related factors that may help people face the long-lasting psychological challenges of the COVID-19 pandemic. Sense of coherence allows to remain healthy and to recover after stressful or traumatic life experiences. We aimed at investigating whether, and the extent to which, social support, in terms of both family and friends support, mediated the well-established link between sense of coherence and mental health as well as that between sense of coherence and COVID-19-related Post-Traumatic Stress Disorder (PTSD) symptoms. In May 2021, 3048 Italian respondents (51.5% women) aged between 18 and 91 (Mage = 48.33, SD = 14.04) filled in a self-report questionnaire. The mediation analyses we carried out on their responses showed a difference between focussing on mental health or on a psychological disorder. Indeed, despite the respectively positive and negative relation between sense of coherence and mental health and PTSD symptoms, this confirming the protective role of sense of coherence more than 1 year after the beginning of the pandemic, social support only mediated, partially, the former link. We also discuss practical implications and further expansion of the study., (© The Author(s) 2023. Published by Oxford University Press. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
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- 2023
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31. More Kindness, Less Prejudice against Immigrants? A Preliminary Study with Adolescents.
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Zagrean I, Cavagnis L, Danioni F, Russo C, Cinque M, and Barni D
- Abstract
Prejudice against immigrants is a relevant research topic within social psychology. Researchers identified several individual variables affecting anti-immigrant prejudice, such as morality and personality. However, until now, prejudice has never been studied in relation to kindness, which might be a significant protective factor against prejudice. Based on Kohlberg's theory of moral judgement, four stage dimensions of kindness were identified, from egocentric to authentic kindness (i.e., a means for social progress and improvement). This study aims to explore the relationship between the four kindness dimensions and blatant and subtle prejudice against immigrants in adolescence, by also considering the moderating role of adolescents' sex. It involved 215 Italian participants (77% girls), who were asked to fill in a self-report questionnaire. Results showed that boys scored higher on egocentric kindness than girls, but no sex differences emerged for prejudice. Egocentric and extrinsically motivated kindness appeared to be risk factors for prejudice, whereas the most authentic form of kindness was a protective factor. In addition, adolescents' sex moderated the relationship between egocentric kindness and blatant prejudice, whereby this association was stronger for boys. The implications of these findings, the study's limitations, and suggestions for future research are discussed.
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- 2023
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32. Editorial: Gender differences and disparities in socialization contexts: How do they matter for healthy relationships, wellbeing, and achievement-related outcomes?
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Fiorilli C, Barni D, Endendijk J, and Retelsdorf J
- Abstract
Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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- 2022
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33. Perceived significant others' values: Are they important in the relationship between personal values and self-reported prosociality?
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Danioni F, Barni D, Russo C, Zagrean I, and Regalia C
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Background: Personal values have been extensively found to be relevant variables linked to prosociality; they are desirable and trans-situational goals that serve as guiding principles in people's lives to select modes, means and actions, these reflecting what people consider relevant and worthy. Research has investigated how cultural background influences people's personal values and prosociality, but little is known about the influence of the perception of the values endorsed by significant others, namely the people belonging to the micro-relational context with whom daily interactions and exchanges are possible. Based on Schwartz's theory of basic human values, we analyzed the moderating role of the perceptions of significant others' values in the relationship between personal values and self-reported prosociality., Participants and Procedure: Two hundred and forty-five Italian young adults (66.9% women) aged between 18 and 30 years ( M = 22.58, SD = 2.53) completed a self-report questionnaire., Results: Specifically, openness to change values were a significant positive predictor of self-reported prosociality when respondents perceived low importance assigned both to openness to change and self-transcendence by significant others, whereas conservation values were a significant positive predictor of self-reported prosociality when respondents perceived low importance assigned to self-enhancement by significant others., Conclusions: Our findings show a complex interplay between personal values and perceived significant others' values in shaping young adults' self-reported prosociality., (Copyright © Institute of Psychology, University of Gdansk.)
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- 2022
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34. Students' Burnout at University: The Role of Gender and Worker Status.
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Fiorilli C, Barni D, Russo C, Marchetti V, Angelini G, and Romano L
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- Female, Humans, Male, Organizations, Students psychology, Surveys and Questionnaires, Universities, Burnout, Professional epidemiology, Burnout, Professional psychology, Burnout, Psychological psychology
- Abstract
Students' burnout has been widely investigated in recent decades, mainly showing a higher risk for female students across academic levels. To our knowledge, few studies have investigated whether employed students experience higher academic burnout risks. In this regard, previous findings have shown mixed results. The current study investigated the differences in burnout experience based on students' gender and worker status. We expected to find differences among study groups in their burnout levels. The participants were 494 Italian university students (49.6% female students; 49.4% working students) who completed the short version of the Burnout Assessment Tool Core dimensions (BAT-C). Firstly, we investigated the BAT-C measurement invariance across gender and worker status subgroups. Secondly, a multivariate analysis of variance (MANOVA) showed significant gender differences in burnout levels. Specifically, female students showed higher levels of exhaustion, cognitive impairment, and emotional impairment than male students. Nevertheless, no interactive effects between gender and worker status were observed in the current sample. To sum up, gender is a key factor for understanding several BAT symptoms, and it should be considered by academic staff interested in preventing burnout at university and its dropout consequences.
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- 2022
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35. Changing Personal Values through Value-Manipulation Tasks: A Systematic Literature Review Based on Schwartz's Theory of Basic Human Values.
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Russo C, Danioni F, Zagrean I, and Barni D
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According to the Theory of Basic Human Values, values are relatively stable, but not immutable, abstract goals which strongly influence peoples' lives. Since their relative stability, psychosocial research is attempting to understand the extent to which it is possible to induce a voluntary change in people's personal values. The main aim of this study was to systematically review the existing literature on experiments to induce a value change, also highlighting the theoretical perspectives used to develop the experimental tasks. We conducted a literature search of five databases (SCOPUS, ProQuest, PsycINFO, PubMed, and Web of Science). After the screening and the eligibility phase, we included a total of 14 articles (25 experiments). Most of these studies involved university students and adopted a pre-and post-test design, using different manipulation tasks. The results highlighted the possibility of inducing a voluntary value change, assessed in terms of mean levels and/or rank order. These findings provide new insights regarding the stability of values in the light of the Theory of Basic Human Values. The practical implications and future research directions are discussed.
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- 2022
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36. Activating Self-Transcendence Values to Promote Prosocial Behaviors among Adolescents during the COVID-19 Pandemic: The Moderating Role of Positive Orientation.
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Russo C, Dell'Era A, Zagrean I, Danioni F, and Barni D
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- Adolescent, Altruism, Humans, Pandemics, Surveys and Questionnaires, Adolescent Behavior, COVID-19 epidemiology
- Abstract
The COVID-19 pandemic has severely affected people's health, daily routine, and behaviors. Its effects have been most pronounced for the youngest and oldest generations. Their daily lives have completely changed throughout the pandemic. Self-transcendence values and positive orientation could facilitate optimal adjustment to this situation by promoting prosociality. The present study aimed to discover if applying a new, web-based intervention could activate self-transcendence values in a group of Italian adolescents, fostering COVID-19 prosocial behaviors while also considering the role of positive orientation. The study adopted a longitudinal, web-based, and quasi-experimental design. One hundred and forty adolescents between 15 and 19 years of age were involved in the study two times (T1-T2). Participants were assigned to an intervention or control group. All participants completed the self-transcendence subscale extracted from the 21-item Portrait Values Questionnaire, the Positive Orientation Scale, and the COVID-19 Prosocial Experiences Scale. The results showed that adolescents' self-transcendence values and positive orientation were positively associated with COVID-19 prosociality. However, the relationship between self-transcendence values and COVID-19 prosocial behaviors was significantly more robust in the intervention group. Finally, a three-way interaction (self-transcendence*group*positive orientation) emerged as significant. For the intervention group, the effect of self-transcendence values on COVID-19 prosocial behaviors was significant only for adolescents who reported a strong positive orientation. Limitations of the study, future research developments, and practical implications are discussed.
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- 2022
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37. Gender Prejudice Within the Family: The Relation Between Parents' Sexism and Their Socialization Values.
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Barni D, Fiorilli C, Romano L, Zagrean I, Alfieri S, and Russo C
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Gender inequalities are still persistent despite the growing policy efforts to combat them. Sexism, which is an evaluative tendency leading to different treatment of people based on their sex and to denigration (hostile sexism) or enhancement (benevolent sexism) of certain dispositions as gendered attributes, plays a significant role in strengthening these social inequalities. As it happens with many other attitudes, sexism is mainly transmitted by influencing parental styles and socialization practices. This study focused on the association between parents' hostile and benevolent sexism toward women and their socialization values (specifically, conservation and self-transcendence), that are the values parents would like their children to endorse. We took both parents' and children's sex into account in the analyses. One-hundred-sixty-five Italian parental couples with young adult children participated in the study. Parents, both the mother and the father, individually filled in a self-report questionnaire composed of the Ambivalent Sexism Inventory and the Portrait Values Questionnaire. Findings showed that mothers' benevolent sexism was positively related to their desire to transmit conservation values to their sons and daughters. This result was also found for fathers, but with a moderation effect of children's sex. Indeed, the positive relationship between fathers' benevolent sexism and conservation was stronger in the case of sons than of daughters. Moreover, fathers' benevolent sexism was positively associated with self-transcendence values. Finally, fathers' hostile sexism was positively associated with conservation and negatively with self-transcendence. Limitations of the study, future research developments, and practical implications of the results are discussed., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Barni, Fiorilli, Romano, Zagrean, Alfieri and Russo.)
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- 2022
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38. My Parents Taught…Green Was My Growth! The Role of Intergenerational Transmission of Ecological Values in Young Adults' Pro-Environmental Behaviors and Their Psychosocial Mechanisms.
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Scopelliti M, Barni D, and Rinallo E
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- Cross-Sectional Studies, Emotions, Female, Humans, Surveys and Questionnaires, Young Adult, Attitude, Mothers
- Abstract
Past research on pro-environmental behaviors (PEBs) has identified several psychosocial determinants, ranging from personal values to attitudes-mostly environmental concerns-and norms. Less attention has been devoted to the role of affect and identity processes, until recently, when investigations began into the emotional connections with nature and environmental identity, i.e., one's self-concept in relation to the natural world. Finally, research into the parent-child transmission of ecological values was recently developed. We aimed to analyze the role of the above-mentioned variables in predicting different PEBs, within a comprehensive framework. We hypothesized a chain relationship between the ecological values of parents and mothers, the ecological values of their children, environmental concerns, affect towards nature, environmental identity, and PEBs, as the final outcomes. In a cross-sectional exploratory study, an online questionnaire was administered to 175 young Italian adults. Validated scales to measure the above variables and socio-demographics were included. The results showed a different pattern of predictors for each PEB. Overall, the importance of the emotional connection with nature and environmental identity in predicting PEBs has clearly emerged. Finally, the role of intergenerational transmission of ecological values in PEBs, with differences between the influence of fathers and mothers, is outlined. The study provides a more integrative view of PEBs by considering the variety of human processes. Theoretical and practical implications of results are discussed.
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- 2022
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39. Coping Skills in Pre- and Early Adolescents: The Role of Temperament and Character.
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Melegari MG, Barni D, Piperno V, and Andriola E
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- Adaptation, Psychological, Adolescent, Child, Female, Humans, Male, Personality Disorders, Personality Inventory, Character, Temperament
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Coping skills represent cognitive, emotional, and behavioral resources to overcome developmental challenges and tasks. Based on Cloninger's model of personality, the main aim of this study was to analyze the relation among temperament, character, and coping skills in nonclinical pre- and early adolescents by also considering adolescents' gender and age. One hundred and thirty-eight Italian pre- and early adolescents (52.2% boys and 47.8% girls), aged between 10-14 years (M = 12.33 ± 0.87 SD), filled out the Junior Temperament and Character Inventory and the Children's Coping Strategies Checklist Revision 1. Regression and relative weights analyses showed that several of adolescents' personality dimensions did predict their coping skills. Specifically, Harm Avoidance was negatively related to Positive Reframing and Distraction; this latter (i.e., Distraction) was also negatively associated with Novelty Seeking, Self-Directedness, and Cooperativeness. On the contrary, Cooperativeness was positively related to the use of Problem Focus strategy, and Reward Dependence was positively related to Distraction and Social Support. Significant gender and age differences in personality as well as in coping skills emerged. Girls scored higher on Harm Avoidance, Reward Dependence, Persistence and Problem Focus, and boys scored higher on Novelty Seeking and Distraction. Moreover, pre-adolescents (10-12 years) reported lower scores on Novelty Seeking and higher on Problem Focus than early adolescents (13-14 years). Overall, the results suggest that bio-psycho-social individual factors linked to personality, gender, and age have an important role in shaping pre- and early adolescents' coping and adaptation responses. Practical implications of the results and future developments are discussed.
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- 2021
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40. Insecure Attachment Styles and Unbalanced Family Functioning as Risk Factors of Problematic Smartphone Use in Spanish Young Adults: A Relative Weight Analysis.
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Mangialavori S, Russo C, Jimeno MV, Ricarte JJ, D'Urso G, Barni D, and Cacioppo M
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Young adulthood is the life stage during which people are more prone to develop problematic smartphone use (PSU). Only one study investigated the relationship among attachment styles, family functioning, and PSU, but thus far, no research has shown the relative importance that such dimensions may have on PSU. The main aim of this study was to analyze to what extent insecure attachment styles and unbalanced family functioning are related to PSU, investigating the specific weight of each dimension in a sample of young adults (N = 301; 82.7% females; M
age = 22.89; SD = 3.02). Participants completed a self-report questionnaire, including the Relationship Questionnaire, the Family Adaptability and Cohesion Evaluation Scale IV, and the Smartphone Addiction Scale. The regression and relative weight analyses results showed that preoccupied attachment style and disengaged, chaotic, and enmeshed family functioning were positively related to PSU. Implications for future research and interventions were discussed.- Published
- 2021
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41. Treatment with ROS detoxifying gold quantum clusters alleviates the functional decline in a mouse model of Friedreich ataxia.
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Villa C, Legato M, Umbach A, Riganti C, Jones R, Martini B, Boido M, Medana C, Facchinetti I, Barni D, Pinto M, Arguello T, Belicchi M, Fagiolari G, Liaci C, Moggio M, Ruffo R, Moraes CT, Monguzzi A, Merlo GR, and Torrente Y
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- Animals, Disease Models, Animal, Gold, Humans, Mice, Reactive Oxygen Species, Trinucleotide Repeat Expansion, Friedreich Ataxia
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Friedreich ataxia (FRDA) is caused by the reduced expression of the mitochondrial protein frataxin (FXN) due to an intronic GAA trinucleotide repeat expansion in the FXN gene. Although FRDA has no cure and few treatment options, there is research dedicated to finding an agent that can curb disease progression and address symptoms as neurobehavioral deficits, muscle endurance, and heart contractile dysfunctions. Because oxidative stress and mitochondrial dysfunctions are implicated in FRDA, we demonstrated the systemic delivery of catalysts activity of gold cluster superstructures (Au
8 -pXs) to improve cell response to mitochondrial reactive oxygen species and thereby alleviate FRDA-related pathology in mesenchymal stem cells from patients with FRDA. We also found that systemic injection of Au8 -pXs ameliorated motor function and cardiac contractility of YG8sR mouse model that recapitulates the FRDA phenotype. These effects were associated to long-term improvement of mitochondrial functions and antioxidant cell responses. We related these events to an increased expression of frataxin, which was sustained by reduced autophagy. Overall, these results encourage further optimization of Au8 -pXs in experimental clinical strategies for the treatment of FRDA., (Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.)- Published
- 2021
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42. Value priorities, impression management and self-deceptive enhancement: Once again, much substance and a little bit of style.
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Danioni F and Barni D
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- Adolescent, Adult, Female, Humans, Italy, Male, Self Report, Surveys and Questionnaires, Young Adult, Attitude, Social Desirability
- Abstract
The connection between self-reported personal values and socially desirable responding in social psychology has been backed up by little empirical evidence. This study expands upon the pioneering work carried out by Schwartz and colleagues by analyzing the relationship between values and social desirability through the use of different self-report measures of values and by considering the multidimensional nature of social desirability. The study involved 224 Italian respondents (63.4% female, mean age = 22.39, SD = 2.47) who completed a questionnaire. Results confirmed Schwartz et al.'s previous findings supporting the substantive hypothesis. Specifically, impression management was more related to values highlighting the importance of social harmony (i.e., conservation and self-transcendence) rather than to those characterized by a personal focus (i.e., openness to change and self-enhancement). However, a different pattern of connection was found for self-deceptive enhancement. This study addresses how to deal with social desirability in research into personal values.
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- 2021
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43. Sense of Coherence and COVID-19: A Longitudinal Study.
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Danioni F, Sorgente A, Barni D, Canzi E, Ferrari L, Ranieri S, Iafrate R, Regalia C, Rosnati R, and Lanz M
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- Adult, Communicable Disease Control, Female, Humans, Longitudinal Studies, Male, Pandemics, SARS-CoV-2, COVID-19, Sense of Coherence
- Abstract
The strong restrictive measures adopted in 2020 against the spread of the COVID-19 pandemic in Italy have deeply affected the general population's mental health. In the current longitudinal study, we specifically focus on sense of coherence (SOC), both in terms of comprehensibility/manageability and meaningfulness, among a large sample of Italian adults; SOC is a potential resource likely to foster the ability to cope with stressors. A total of 2,191 Italian participants (65.8% female) aged 18-82 completed an anonymous online self-report questionnaire at Time 1 (during the lockdown, March 2020) and at Time 2 (at the resumption of most activities, July 2020). The Repeated Measures Latent Profile Analysis (RMLPA) allowed us to identify seven different SOC profiles based on the change in both SOC dimensions, ranging from a strong "crisis" in terms of this resource in the face of the pandemic to a solid possibility to count on it. Interestingly, female and younger respondents were more likely to belong to those profiles characterized by lower levels of SOC, and these profiles have specific relations with fear and wellbeing. The implications of these results and the further expansion of the study are discussed.Supplemental data for this article is available online at https://doi.org/10.1080/00223980.2021.1952151 .
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- 2021
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44. Fathers and Sleep: A Systematic Literature Review of Bidirectional Links Between Paternal Factors and Children's Sleep in the First Three Years of Life.
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Ragni B, De Stasio S, and Barni D
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Objective: During childhood, sleep problems are a common concern for parents and families. The literature on children's sleep documents a strong association between parental factors and infant sleep quality. However, most studies have only examined maternal attitudes and behaviors. To systematically identify and assess the existing literature on the role of fathers in children's sleep over the first three years of life., Method: Studies were identified from January 1993 to July 2020 in four electronic databases, following PRIMSA guidelines., Results: The initial search yielded a total of 657 records. Fifty-nine studies were full review, and 26 studies met all inclusion criteria and formed the basis for the review. Studies were divided into thematic groups as a function of the paternal variables they investigated: Extrinsic Parenting factors, Parent-child Interaction Context, and Distal Environmental Influences., Conclusions: This review points up a range of paternal variables that can represent risk or protective factors for child sleep. Our results may help parents and healthcare practitioners to identify evidence-based knowledge about sleep. Furthermore, identifying paternal factors that contribute to sleep problems can usefully inform the design of individualized interventions., Competing Interests: Competing interests: None., (© 2020 Giovanni Fioriti Editore s.r.l.)
- Published
- 2020
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45. Facing the COVID-19 Pandemic: The Role of Sense of Coherence.
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Barni D, Danioni F, Canzi E, Ferrari L, Ranieri S, Lanz M, Iafrate R, Regalia C, and Rosnati R
- Abstract
The worldwide outbreak of COVID-19, the ensuing pandemic, and the related containment measures pose considerable challenges to psychological resilience and well-being. Researchers are now forced to look for resources to cope with negative experiences linked to this health emergency. According to the salutogenic approach proposed by Antonovsky, the sense of coherence (SOC) is a major source of resilience. Thus, this study aimed at assessing the role of SOC in moderating the link between illness experiences (in terms of knowing persons diagnosed with COVID-19 and fear of contracting COVID-19) and psychological well-being. 2,784 participants, taken from a large sample of the Italian population (65.4% females) and aged between 18 and 85 years, filled in an anonymous online survey during the 3rd week of the lockdown. Findings supported the moderating role of SOC in shaping the link between illness experiences and psychological well-being. Specifically, participants who knew at least one person diagnosed with COVID-19 showed lower levels of psychological well-being at low levels of SOC. The negative relation between participants' fear of contracting COVID-19 and psychological well-being was stronger for those who showed higher levels of SOC. This study discusses the implications of these results for interventions aimed at reducing the pandemic's detrimental effects and promoting resilience., (Copyright © 2020 Barni, Danioni, Canzi, Ferrari, Ranieri, Lanz, Iafrate, Regalia and Rosnati.)
- Published
- 2020
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46. Parents' Sport Socialization Values, Perceived Motivational Climate and Adolescents' Antisocial Behaviors.
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Danioni F and Barni D
- Abstract
Parents play a key role in young athletes' sport experience. In particular, parents' sport goals for children may influence young athletes' morally relevant sport behaviors. The present study involves 172 Italian adolescents (female = 51.7%; age M = 15.41, SD = 1.73) practicing team sports and analyzed whether and the extent to which parents' sport socialization values, those values adolescents perceived their parents wanted them to endorse (i.e., moral, competence, status values), were associated with young athletes' antisocial behaviors towards teammates and opponents. Adolescents' perceptions of the prominent motivational climate (i.e., mastery and performance) within their team were also considered. Participants were asked to fill out questionnaires, including the Youth Sport Values Questionnaire-2, adapted to measure adolescents' perceptions of parental socialization values, the Perceived Motivational Climate in Sport Questionnaire and the Prosocial and Antisocial Behavior in Sport Scale. The results of multiple linear regression analysis and relative weight analysis showed that mastery motivational climate, as protective factor, and mothers' status values, as risk factor, were the most important variables in predicting adolescents' antisocial behavior towards teammates. As far as adolescents' antisocial behavior towards opponents was concerned, performance motivational climate and mothers' status values were the most relevant predictors: the more adolescents perceived their coaches and mothers as giving importance to performance and status, the higher was the frequency of their antisocial behavior in sport. Implications and further developments of the study are discussed., Competing Interests: The authors have declared that no competing interests exist.
- Published
- 2019
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47. Parental Mental Health, Fathers' Involvement and Bedtime Resistance in Infants.
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Ragni B, De Stasio S, Barni D, Gentile S, and Giampaolo R
- Subjects
- Adult, Cross-Sectional Studies, Crying, Female, Humans, Infant, Italy, Male, Surveys and Questionnaires, Wakefulness, Father-Child Relations, Parents psychology, Sleep Disorders, Circadian Rhythm prevention & control
- Abstract
Background: Around the age of 6 months, difficulties in settling to sleep and frequent night awakenings are generally occurring in 20 to 30% of infants. According to the transactional model parental factors can play a significant role in influencing infant sleep development. The purpose of the current study was to explore the combined effect of infants' factors (temperament and sleep onset problems), and parental factors (parental mental health in terms of post-partum affective disorders, consistent bedtime routines and fathers' involvement at bedtime), on infant bedtime difficulties (e.g. fussing, crying or protesting), including both maternal and paternal perspectives., Methods: Sixty Italian intact two-parent families of infants (34 boys and 26 girls) ageing from 8 to 12 months (M = 10.73, SD = 2.54) were enrolled in the study. The parents filled out self-report questionnaires to measure the aforementioned variables. To investigate which infant and parental factors predicted infants' bedtime difficulties, two multiple linear regressions (MR), one for fathers and one for mothers, and relative weight analyses (RWA) were conducted., Results: With regard to infants' bedtime difficulties reported by fathers (R
2 = .35) they were explained by infant involvement in constant bedtime routines (β = -.35, p = .030) and paternal involvement at bedtime (β = -.45, p = .007). Instead infants' bedtime difficulties reported by mothers (R2 = .32) were explained by minutes the child taken to fall asleep (β = .24, p = .04), infant involvement in constant bedtime routines (β = -.31, p = .01) and bedtime paternal involvement (β = -.27, p = .05)., Conclusions: The main results of this study emphasized the protective role of consistent bedtime routines and bedtime paternal involvement in reducing infants' bedtime difficulties perceived both from mothers and fathers. Future research could help to raise awareness and improve understanding of the familial influences on children's sleep, providing recommendations for educating families, school professionals, healthcare providers, and the general public on risk and protective factors that could play a meaningful role in infants and children's developing sleep patterns.- Published
- 2019
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48. Effect of Teachers' Happiness on Teachers' Health. The Mediating Role of Happiness at Work.
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Benevene P, De Stasio S, Fiorilli C, Buonomo I, Ragni B, Briegas JJM, and Barni D
- Abstract
The present study aims to expand the understanding of the effects of dispositional happiness and self-esteem, as dispositional traits, on the health of teachers, as well as to understand the role played by the working environment in generating positive affection, thus mediating between the dispositional traits and teachers' health. Two hundred and eighty-two full-time in-service teachers (93.6% female) from Rome (Italy) took part in this study. Their ages ranged from 26 to 55 ( M = 40.49 years, SD = 5.93). Participants' teaching experience ranged from 1 to 31 years ( M = 9.95 years, SD = 5.65). 30.6% of participants taught in kindergarten (for children aged 0-5 years), 42.6% in primary schools (for children aged 6-11 years), 15.8% in middle schools and 10.9% in high schools. A questionnaire was administered, containing: the Subjective Happiness Scale (SHS); the Rosenberg Self-Esteem Scale (RSES); The adapted version for teachers of the School Children Happiness Inventory (Ivens, 2007); the Physical and Mental Health Scales (SF12). The data were analyzed using the MPLUS software, version 8. Our results showed that teacher happiness at work partially mediates the relationship between dispositional happiness and teacher health, and fully mediates the relationship between self-esteem and teacher health. To the best of our knowledge, the mediational role of teacher happiness has not been addressed before, concerning these dimensions. At the same time, our findings confirmed the role of self-esteem in endorsing health-related behaviors, thus promoting physical and mental health. Moreover, according to our study findings, when teachers acknowledge their workplace as a context in which they feel happy, the impact of dispositional happiness and self-esteem on health conditions is higher. Effective measures to promote teachers' well-being are discussed., (Copyright © 2019 Benevene, De Stasio, Fiorilli, Buonomo, Ragni, Briegas and Barni.)
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- 2019
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49. Teachers' Self-Efficacy: The Role of Personal Values and Motivations for Teaching.
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Barni D, Danioni F, and Benevene P
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Teachers' personal values drive their goals and behaviors at school. Moreover, values can support subjective well-being and an individual sense of self-efficacy. Teachers' self-efficacy, namely teachers' beliefs in their ability to effectively handle the tasks, obligations, and challenges related to their professional activity, plays a key role in influencing important academic outcomes (e.g., students' achievement and motivation) and well-being in the working environment. Based on Schwartz's well-known theory of human values, this study sought to examine the relations between teachers' values (i.e., conservation, openness to change, self-transcendence, and self-enhancement) and their self-efficacy. In particular, it aimed at analyzing the extent to which these relations are moderated by teachers' controlled and autonomous motivations for teaching. Two hundred and twenty-seven Italian high school teachers (73.6% females; M = 44.77 years, SD = 10.56) were involved in the study and asked to complete a self-report questionnaire. Results showed that teachers' conservation values were positively associated to sense of self-efficacy regardless of the type and level of motivation for teaching. More interestingly, the relationships between openness to change and self-efficacy on the one hand, and self-transcendence and self-efficacy on the other, varied depending on teachers' motivations. These relations were stronger when teachers perceived less external pressure and felt to be self-determined toward teaching. Implications of these results for teachers' practices and well-being in their work environment and further developments of the study are discussed.
- Published
- 2019
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50. Predicting Adolescent Depression: The Interrelated Roles of Self-Esteem and Interpersonal Stressors.
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Fiorilli C, Grimaldi Capitello T, Barni D, Buonomo I, and Gentile S
- Abstract
Depression in adolescents can lead to social and educational impairment and is a major risk factor for suicide and substance misuse. Thus, predicting and preventing this disorder are extremely important. The current study aimed to analyze the contribution of adolescents' self-esteem (i.e., quality of interpersonal relationships, control of life events, and management of negative emotions) and interpersonal stressor sources (relationships with parents, teachers, classmates and friends) in predicting several depression manifestations (i.e., depressed mood, sense of inadequacy, and insecurity). Participants were 182 Italian pre-adolescents and adolescents, aged 10-14 years, were recruited from three Italian schools. They were asked to complete a self-report questionnaire. Results showed that self-esteem was a major factor to be considered in adolescents' depression. In particular, adolescents' perception of negative emotion management was the most important protective factor against depression manifestations. Conversely, sources of interpersonal stressors contributed only marginally to depression. Among these, problems with parents and friends increased adolescents' depressed mood, while troubles with classmates impacted on their sense of inadequacy and insecurity. Implications of these results for positive practices which could enhance adolescents' self-esteem and further expansions of the study are discussed.
- Published
- 2019
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