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1. A new apparatus for deep patterning of beam sensitive targets by means of high-energy ion beam

Author

Rovelli, A., Amato, A., Botta, D., Chiodoni, A., Gerbaldo, R., Ghigo, G., Gozzelino, L., Laviano, F., Minetti, B., and Mezzetti, E.

Subjects
Condensed Matter - Superconductivity
Abstract

The paper reports on a high precision equipment designed to modify over 3-dimensions (3D) by means of high-energy gold ions the local properties of thin and thick films. A target-moving system aimed at creating patterns across the volume is driven by an x-y writing protocol that allows one to modify beam sensitive samples over micrometer-size regions of whatever shape. The apparatus has a mechanical resolution of 15 nm. The issue of the local fluence measurement has been particularly addressed. The setup has been checked by means of different geometries patterned on beam sensitive sheets as well as on superconducting materials. In the last case the 3D modification consists of amorphous nanostructures. The nanostructures create zones with different dissipative properties with respect to the virgin regions. The main analysis method consists of magneto-optical imaging that provides local information on the electrodynamics of the modified zones. Features typical of non-linear current flow hint at which pattern geometry is more functional to applications in the framework of nanostructures across superconducting films., Comment: 7 pages

Published
2005
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2. Geometry dependent distribution of the supercurrent in YBa2Cu3O7-x films with patterned pinning landscape

Author

Laviano, F., Botta, D., Chiodoni, A., Gerbaldo, R., Ghigo, G., Gozzelino, L., Minetti, B., and Mezzetti, E.

Subjects
Condensed Matter - Superconductivity
Abstract

We created local pinning modulations in YBCO films by means of confined high energy heavy ion irradiation. The high energy of the ions allows us to introduce nanometric size defects with a well defined anisotropy. The dose was chosen in such a way to reduce the local critical current of the irradiated area. We used a quantitative magneto-optical analysis to measure the magnetic field vector and the supercurrent for each point of the whole sample surface. The basic geometry of a rectangular region inside strip-shaped samples was considered in order to investigate in detail the effect of the orientation of planar boundaries with respect to the supercurrent flow direction. Here we present the two complementary orientations of the modulated region, i.e., perpendicular and parallel to the main supercurrent flow. The comparison of the magnetic field and supercurrent distributions shows deep differences between the two configurations. In particular, the enhanced vortex diffusion, observed for the perpendicular case, was not found in the parallel configuration. In a such case, unexpected vortex bundle jumps and a Meissner volume compression are clearly observed after the vortices enter the irradiated region., Comment: 19 pages including 12 figures

Published
2003

3. Nanosized patterns as reference structures for macroscopic transport properties and vortex phases in YBCO films

Author

Mezzetti, E., Chiodoni, A., Gerbaldo, R., Ghigo, G., Gozzelino, L., Minetti, B., Camerlingo, C., and Giannini, C.

Subjects
Condensed Matter - Superconductivity
Abstract

This paper studies the striking correlation between nanosized structural patterns in YBCO films and macroscopic transport current. A nanosized network of parallel Josephson junctions laced by insulating dislocations is almost mimicking the grain boundary structural network. It contributes to the macroscopic properties and accounts for the strong intergranular pinning across the film in the intermediate temperature range. The correlation between the two networks enables to find out an outstanding scaling law in the (Jc,B) plane and to determine meaningful parameters concerning the matching between the vortex lattice and the intergranular defect lattice. Two asymptotic behaviors of the pinning force below the flux flow regime are checked: the corresponding vortex phases are clearly individuated., Comment: 4 pages, 4 figures

Published
2000
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7. Experimental Results on Pontecorvo Reactions with Strangeness

Author

Ableev, V. G., Agnello, M., Andrighetto, A., Balestra, F., Belli, G., Bendiscioli, G., Bertin, A., Bonazzola, G. C., Botta, E., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cavion, C., Cereda, B., Cerello, P., Cicalò, C., Corradini, M., Costa, S., De Castro, S., Denisov, O. Yu., D’Isep, F., Donzella, A., Fava, L., Feliciello, A., Ferrero, L., Ferretti, A., Filippi, A., Filippini, V., Fontana, A., Galli, D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Gortchakov, O., Grasso, A., Guaraldo, C., Iazzi, F., Lanaro, A., Rizzini, E. Lodi, Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Montagna, P., Morando, M., Nichitiu, F., Panzieri, D., Parena, D., Pauli, G., Petrascu, C., Piccinini, M., Piragino, G., Poli, M., Prakhov, S. N., Puddu, G., Ricci, R. A., Rosca, A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Saino, A., Salvini, P., Santi, L., Sapozhnikov, M. G., Cesari, N. Semprini, Serci, S., Spighi, R., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Usai, G., Vannucci, L., Vecchi, S., Vedovato, G., Venturelli, L., Vezzani, A., Villa, M., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., Mitter, H., editor, Plessas, W., editor, Adam, J., editor, Dobeš, J., editor, Mach, R., editor, Sotona, M., editor, and Dolejší, J., editor

Published
1996
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8. New Measurement of Pontecorvo Reaction Using the Obelix Spectrometer

Author

Adamo, A., Agnello, M., Balestra, F., Belli, G., Bendiscioli, G., Bertin, A., Boccaccio, P., Bonazzola, G., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Corradini, M., Costa, S., De Castro, S., D’Isep, F., Falomkin, I. V., Fava, L., Feliciello, A., Ferrero, L., Filippini, V., Garfagnini, R., Gastaldi, U., Gianotti, P., Grasso, A., Guaraldo, C., Iazzi, F., Lanaro, A., Lodi Rizzini, E., Lombardi, M., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Morando, M., Morganti, M., Panzieri, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Pontecorvo, G. B., Puddu, G., Ricci, R. A., Rotondi, A., Rozhdestvensky, A. M., Salvini, P., Santi, L., Sapozhnikov, M. G., Semprini Cesari, N., Serci, S., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Vannucci, L., Vedovato, G., Venturelli, L., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., Mitter, H., editor, Plessas, W., editor, Truhlík, Emil, editor, and Mach, Rostislav, editor

Published
1992
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10. Measurement of Spin Transfer Parameters in the n Charge-Exchange Reaction at LEAR

Author

Agnello, M., Ahmidouch, A., Arvieux, J., Bertini, R., Birsa, R., Bradamante, F., Bressani, T., Catz, H., Chiavassa, E., Dalla Torre-Colautti, S., De Marco, N., Faivre, J. C., Giorgi, M., Heer, E., Hess, R., Iazzi, F., Kunne, R. A., Lamanna, M., Luc, C. Lechanoine-Le, Macciotta, M. P., Martin, A., Mascarini, C., Masoni, A., Minetti, B., Musso, A., Penzo, A., Perrot-Kunne, F., Piccotti, A., Puddu, G., Rapin, D., Schiavon, P., Serci, S., Tessarotto, F., Wissink, Scott W., editor, Goodman, Charles D., editor, and Walker, George E., editor

Published
1991
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11. Study of the Spin Structure of the n Channel at Lear

Author

Macciotta, M. P., Masoni, A., Puddu, G., Serci, S., Ahmidouch, A., Heer, E., Hess, R., Kunne, R., Lechanoine-Leluc, C., Rapin, D., Birsa, R., Bradamante, F., Torre-Colautti, S. Dalla, Giorgi, M., Martin, A., Penzo, A., Schiavon, P., Tessarotto, F., Villari, A., Zanetti, A. M., Iazzi, F., Minetti, B., Agnello, M., Bressani, T., Chiavassa, E., De Marco, N., Gallio, M., Musso, A., Piccotti, A., Bertini, R., Catz, H., Faivre, J.-C., Perrot, F., Arvieux, J., Bradamante, F., editor, Richard, J.-M., editor, and Klapisch, R., editor

Published
1990
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16. Effects of annealing and nanoparticle doping on electrical properties of Mg[B.sub.2] bulks grown by reactive Mg liquid infiltration technique

Author

Gozzelino, L., Gerbaldo, R., Ghigo, G., Laviano, F., Lopardo, G., Ummarino, G.A., Giunchi, G., Perini, E., Bassani, E., Agostino, A., and Minetti, B.

Subjects
Magnesium compounds -- Electric properties, Magnesium compounds -- Magnetic properties, Silicon carbide -- Electric properties, Superconductivity -- Analysis, Zinc -- Electric properties, Zinc -- Magnetic properties, Business, Electronics, Electronics and electrical industries
Published
2009

18. Localized photoresponse of YBCO films patterned by heavy-ion lithography

Author

Mezzetti, E., Laviano, F., Gerbaldo, R., Ghigo, G., Gozzelino, L., Lopardo, G., Minetti, B., and Rovelli, A.

Subjects
Yttrium -- Electric properties, Yttrium -- Thermal properties, Copper oxide superconductors -- Electric properties, Copper oxide superconductors -- Thermal properties, Barium compounds -- Thermal properties, Barium compounds -- Electric properties, Bolometers -- Design and construction, Business, Electronics, Electronics and electrical industries
Published
2009

21. Thermally activated creep and radiation hardness of MgB2 bulk materials

Author

Ghigo. G., Andreone, D., Botta, D., Chiodoni, A., Gerbaldo, R., Gozzelino, L., Laviano, F., Negro, M., Mezzetti, E., and Minetti, B.

Subjects
Superconductivity -- Research, Magnesium compounds -- Thermal properties, Business, Electronics, Electronics and electrical industries
Abstract

Investigating the effect of iron irradiation on the superconducting properties of polycrystalline high-density MgB2 is presented. As a result, vortex-phase diagrams for the unirradiated and the irradiated samples can be compared and discussed.

Published
2003

22. Pseudo-Periodic nanostructuring of Ag-Clad BSCCO-2223 multifilamentary tapes as a tool to tune in-field superconducting performance

Author

Gerbaldo, R., Botta, D., Chiodoni, A., Ghigo, G., Gozzelino, L., Laviano, F., Minetti, B., Mezzetti, E., Rovelli, A., Amato, A., Martini, L., and Curcio, F.

Subjects
Nanotechnology -- Research, Superconductive devices -- Research, Adhesive tape -- Research, Heavy ion collisions, Business, Electronics, Electronics and electrical industries
Abstract

Reporting a new apparatus for large area irradiation and nanostructuring of superconducting materials calibrated and used to enhance the superconducting properties of a 30 cm long multifilamentary Ag/BSCCO-2223 tapes is presented. The results obtained show that after irradiation there is an outstanding interaction at the matching condition that deeply affects the collective behavior of the vortices.

Published
2003

23. Characterization of Si-CeO2-YBCO tri-layers grown by magnetron sputtering

Author

Chiodoni, A., Andreone, D., Botta, D., Camerlingo, C., Fabbri, F., Gerbaldo, R., Ghigo, G., Gozzelino, L., Laviano, F., Minetti, B., Pirri, C.F., Tallarida, G., Tresso, E., and Mezzetti, E.

Subjects
Magnetrons -- Research, Semiconductors -- Research, Business, Electronics, Electronics and electrical industries
Abstract

Reporting the status of research aimed at exploring the limits and the real possibilities of an approach when the magnetron sputtering technique and conventional substrates are employed the results point toward the scalability/integrability of the technology with silicon processing when the main target consists of networking for integrated electronics.

Published
2003

25. Search for the [formula omitted] pentaquark in antiproton 4He annihilation at rest

Author

Panzarasa, A., Bendiscioli, G., Fontana, A., Lavezzi, L., Montagna, P., Rotondi, A., Salvini, P., Botta, E., Bressani, T., Costa, S., Calvo, D., Feliciello, A., Filippi, A., Marcello, S., Agnello, M., Iazzi, F., Minetti, B., Lodi Rizzini, E., Corradini, M., Venturelli, L., Zenoni, A., Donzella, A., Balestra, F., Bussa, M.P., Busso, L., Cerello, P., Denisov, O., Ferrero, L., Garfagnini, R., Grasso, A., Maggiora, A., Tosello, F., Panzieri, D., Gorchakov, O.E., Prakhov, S.N., Rozhdestvensky, A.M., Sapozhnikov, G.M., Tretyak, V.I., Cicalò, C., De Falco, A., Masoni, A., Puddu, G., Serci, S., Usai, G., Curceanu (Petrascu), C., Gianotti, P., Guaraldo, C., Lanaro, A., and Lucherini, V.

Published
2006
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26. Nanosize texture and transport properties in Y-Ba-Cu-O films

Author

Ghigo, G., Chiodoni, A., Gerbaldo, R., Gozzelino, L., Minetti, B., Mezzetti, E., Camerlingo, C., and Giannini, C.

Subjects
Superconductors -- Research, Thin films -- Research, Business, Electronics, Electronics and electrical industries
Abstract

Y-Ba-Cu-O films were investigated to determine nanosize texture and transport properties.

Published
2001

27. Surface columnar defects on melt textured Y-Ba-Cu-O

Author

Gozzelino, L., Chiodoni, A., Gerbaldo, R., Ghigo, G., Minetti, B., Mezzetti, E., Krabbes, G., and Rovelli, A.

Subjects
Superconductors -- Research, Yttrium barium copper oxides -- Research, Business, Electronics, Electronics and electrical industries
Abstract

A new study investigates the effect of surface defects on high quality, melt textured Y-Ba-Cu-O using 2 GeV gold ions.

Published
2001

28. Modification of bulk properties of Bi1.8Pb0.33Sr1.87Ca2Cu3Oy tapes by means of ion induced surface trenches

Author

Mezzetti, E., Crescio, E., Gerbaldo, R., Ghigo, G., Gozzelino, L., Minetti, B., Gherardi, L., Martini, L., Cuttone, G., and Rovelli, A.

Subjects
Ions -- Research, Superconductivity -- Research, Business, Electronics, Electronics and electrical industries
Abstract

The possibility for the behavior of the superconducting properties in a bulk material could be improved is illustrated by introducing linearly correlated defects within a surface layer. Columnar defects with a depth of about 5% of the total thickness of sample were created on Ag/BSCCO-2223 tapes. Results show that creating surface trenches for vortices is always effective as a strategy in such range of magnetic fields.

Published
1999

29. Hidden network of Long Josephson Junctions as a source of strong pinning mechanisms in High Temperature Superconducting films

Author

Mezzetti, E., Crescio, E., Gerbaldo, R., Ghigo, G., Gozzelino,L., and Minetti, B.

Subjects
High temperature superconductors -- Research, Josephson junction -- Research, Thick films -- Research, Business, Electronics, Electronics and electrical industries
Abstract

The good quality High Temperature Superconducting (HTS) films are modeled as an agglomeration of islands coupled via Josephson contacts. By computing the critical current density and comparing this to the field in a Long Josephson Junction (LJJ), it was found that coupling energies in the junction are regulated by defects with given distribution and size. It was also noted that a 'hidden' network of LJJ with a suitable distribution of optimized defects is the cause of high critical current density in 'good quality' films.

Published
1999

30. The FINUDA experiment at DAφNE

Author

Agnello, M., Amaudruz, P. A., Aftab, Z., Beer, G., Benussi, L., Bergo, D., Bertani, M., Bianco, S., Botta, E., Bonomi, G., Bressani, T., Busso, L., Calvo, D., Camerini, P., Celano, L., Cerello, P., D’Erasmo, G., Fabbri, F. L., Feliciello, A., Filippi, A., Filippini, V., Fiore, E. M., Fiore, L., Gianotti, P., Giardoni, M., Gill, D. R., Grion, N., Jie, L., Iazzi, F., Lanaro, A., Lee, L., Lucherini, V., Marcello, S., Marchesotti, M., Marciano, G., Minetti, B., Mirfakhrai, N., Morra, O., Nozdrin, A. A., Olin, A., Pace, E., Pantaleo, A., Paticchio, V., Raimondo, A., Rotondi, A., Rui, R., Salvini, P., Sarwar, S., Serdyuk, V., Smith, G., Trasatti, L., Venturelli, L., Wheadon, R., Yen, S., and Zenoni, A.

Published
1998
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34. Changes in the annihilation delay time distribution of stopped antiprotons in helium gas, due to contaminants. — II

Author

Bertin, A., Bruschi, M., D’Antone, I., De Castro, S., Ferretti, A., Galli, D., Giacobbe, B., Marconi, U., Piccinini, M., Semprini Cesari, N., Spighi, R., Vecchi, S., Vezzani, A., Vigotti, F., Villa, M., Vitale, A., Zoccoli, A., Corradini, M., Donzella, A., Lodi Rizzini, E., Venturelli, L., Zenoni, A., Cicaló, C., Masoni, A., Puddu, G., Serci, S., Temnikov, P., Usai, G., Ableev, V. G., Denisov, O. Yu., Gorchakov, O. E., Prakov, S. N., Rozhdestvenski, A. M., Sapozhnikov, M. G., Tretyak, V. I., Gianotti, P., Guaraldo, C., Lanaro, A., Lucherini, V., Nichitiu, F., Petrascu, C., Rosca, A., Cavion, C., Gastaldi, U., Lombardi, M., Voronin, A., Morando, M., Ricci, R. A., Bendiscioli, G., Filippini, V., Fontana, A., Montagna, P., Rotondi, A., Saino, A., Salvini, P., Agnello, M., Iazzi, F., Minetti, B., Balestra, F., Botta, E., Bressani, T., P. Bussa, M., Busso, L., Calvo, D., Cerello, P., Costa, S., D’isep, F., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Garfagnini, R., Grasso, A., Maggiora, A., Marcello, S., Panzieri, D., Parena, D., Rossetto, E., Tosello, F., Margagliotti, G. V., Pauli, G., Rizzo, C., Tessaro, S., Zavattini, E., and Santi, L.

Published
1997
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35. Exotic trapping of antiprotons in4He: dependence on pressure

Author

Bertin, A., Bruschi, M., Capponi, M., De Castro, S., Ferretti, A., Galli, D., Giacobbe, B., Marconi, U., Piccinini, M., Cesari, N. Semprini, Spighi, R., Vecchi, S., Vezzani, A., Vigotti, F., Villa, M., Vitale, A., Zoccoli, A., Belli, G., Corradini, M., Donzella, A., Rizzini, E. Lodi, Venturelli, L., Zenoni, A., Cicalò, C., Masoni, A., Puddu, G., Serci, S., Temnikov, P., Usai, G., Ableev, V. G., Denisov, O. Yu., Gorchakov, O. E., Prakov, S. N., Rozhdestvenskii, A. M., Sapozhnikov, M. G., Tretyak, V. I., Poli, M., Gianotti, P., Guaraldo, C., Lanaro, A., Lucherini, V., Nichitiu, F., Petrascu, C., Rosca, A., Cavion, C., Gastaldi, U., Lombardi, M., Maron, G., Vannucci, L., Vedovato, G., Andrighetto, A., Morando, M., Ricci, R. A., Bendiscioli, G., Filippini, V., Fontana, A., Montagna, P., Rotondi, A., Saino, A., Salvini, P., Agnello, M., Iazzi, F., Minetti, B., Balestra, F., Botta, E., Bressani, T., Bussa, M. P., Busso, L., Calvo, D., Cerello, P., Costa, S., Feliciello, A., Ferrero, L., Filippi, A., Garfagnini, R., Grasso, A., Maggiora, A., Marcello, S., Panzieri, D., Parena, D., Rossetto, E., Tosello, F., Margagliotti, G., Pauli, G., Tessaro, S., Zavattini, E., Santi, L., and The OBELIX Collaboration

Published
1996
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38. A study of pontecorvo reactions in antiproton deuterium annihilations at rest

Author

Ableev, V. G., Agnello, M., Andrighetto, A., Balestra, F., Bendiscioli, G., Bertin, A., Botta, E., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Cavion, C., Cereda, B., Cerello, P., Cicalò, C., Corradini, M., Costa, S., D’Antone, I., De Castro, S., Donzella, A., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Filippini, V., Fontana, A., Galli, D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Grasso, A., Guaraldo, C., Iazzi, F., Lanaro, A., Rizzini, E. Lodi, Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Maron, G., Masoni, A., Minetti, B., Montagna, P., Morando, M., Nichitiu, F., Panzieri, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Puddu, G., Ricci, R. A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Saino, A., Salvini, P., Santi, L., Sapozhnikov, M. G., Cesari, N. Semprini, Serci, S., Spighi, R., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Usai, G., Vecchi, S., Venturelli, L., Villa, M., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., and The OBELIX Collaboration

Published
1994
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39. Evidence of a new state at ∼ 1660 MeV/c2 observed in $$\bar np$$ annihilationsannihilations

Author

Ableev, V., Adamo, A., Agnello, M., Balestra, F., Belli, G., Bendiscioli, G., Bertin, A., Boccaccio, P., Bonazzola, G. C., Botta, E., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cereda, B., Cerello, P., Cicalò, C., Corradini, M., Costa, S., De Castro, S., De Leo, C., Denisov, D. Yu., D’Isep, F., Donzella, A., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Filippini, V., Fontana, A., Galli, T. D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Grasso, A., Guaraldo, C., Iazzi, F., Lanaro, A., Rizzini, E. Lodi, Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Montagna, P., Morando, M., Nichitiu, F., Panzieri, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Prakhov, S. N., Puddu, G., Ricci, R. A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Saino, A., Salvini, P., Santi, L., Sapozhnikov, M. G., Cesari, N. Semprini, Serci, S., Spighi, R., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Usai, G., Vannucci, L., Vecchi, S., Vedovato, G., Venturelli, L., Villa, M., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., and The OBELIX Collaboration

Published
1994
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40. The φπ+/ωπ+ ratio from $$\bar np$$ annihilationsannihilations

Author

Adamo, A., Agnello, M., Balestra, F., Bendiscioli, G., Bertin, A., Boccaccio, P., Bonazzola, G. C., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cereda, B., Cerello, P., Cicalò, C., Costa, S., De Castro, S., D’Isep, F., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Filippini, V., Galli, D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Grasso, A., Guaraldo, C., Iazzi, F., Lanaro, A., Rizzini, E. Lodi, Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Montagna, P., Morando, M., Nichitiu, F., Panzieri, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Puddu, G., Ricci, R. A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Salvini, P., Santi, L., Sapozhnikov, M. G., Cesari, N. Semprini, Serci, S., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Usai, G., Vannucci, L., Vecchi, S., Vedovato, G., Venturelli, L., Villa, M., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., and The OBELIX Collaboration

Published
1994
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41. Study of the OZI-rule violation in antiproton annihilation in deuterium at rest

Author

Ableev, V. G., Adamo, A., Agnello, M., Balestra, F., Belli, G., Bendiscioli, G., Bertin, A., Boccaccio, P., Bonazzola, G. C., Botta, E., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cereda, B., Cerello, P., Cicalò, C., Corradini, M., Costa, S., De Castro, S., De Leo, C., Denisov, D. Yu., D’Isep, F., Donzella, A., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Filippini, V., Fontana, A., Galli, D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Gorchakov, O. E., Grasso, A., Guaraldo, C., Iazzi, F., Lanaro, A., Rizzini, E. Lodi, Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Montagna, P., Morando, M., Nichitiu, F., Panzieri, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Prakhov, S. N., Puddu, G., Ricci, R. A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Saino, A., Salvini, P., Santi, L., Sapozhnikov, M. G., Semprini-Cesari, N., Serci, S., Spighi, R., Tessaro, S., Tosello, F., Tretyak, V. T., Usai, G., Vannucci, L., Vecchi, S., Vedovato, G., Venturelli, L., Villa, M., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., and The OBELIX Collaboration

Published
1994
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42. First results from OBELIX on reactions with detected neutral poins in the final state

Author

Ableev, V. G., Adamo, A., Andrighetto, A., Angello, M., Balestra, F., Belli, G., Bendiscioli, G., Bertin, A., Boccaccio, P., Bonazzola, G., Botta, E., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cereda, B., Cerello, P., Cicalò, C., Corradini, M., Costa, S., D’Antone, I., De Castro, S., De Leo, C., Denisov, D. Yu., D’Isep, F., Donzella, A., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Filippini, V., Fontana, A., Galli, D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Grasso, A., Guaraldo, C., Iazzi, F., Lai, A., Lanaro, A., Rizzini, E. Lodi, Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Montagna, P., Morando, M., Musa, L., Nichitiu, F., Panzieri, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Prakhov, S. N., Puddu, G., Ricci, R. A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Saino, A., Salvini, P., Santi, L., Sapozhnikov, M. G., Cesari, N. Semprini, Serci, S., Spighi, R., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Usai, G., Vannucci, L., Vecchi, S., Vedovato, G., Venturelli, L., Villa, M., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., and The OBELIX Collaboration

Published
1994
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43. Meson spectroscopy withS- andP-wave-dominant initial-state selection in $$\bar pp$$ annihilationannihilation

Author

Ableev, V. G., Adamo, A., Agnello, M., Andrighetto, A., Balestra, F., Belli, G., Bendiscioli, G., Bertin, A., Boccaccio, P., Bonazzola, G. C., Botta, E., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cereda, B., Cerello, P., Cicalo, C., Corradini, M., Costa, S., De Castro, S., De Leo, C., Denisov, D. Yu., D’Isep, F., Donzella, A., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Filippini, V., Fontana, A., Galli, T. D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Grasso, A., Guaraldo, C., Iazzi, F., Lai, A., Lanaro, A., Rizzini, E. Lodi, Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Montagna, P., Morando, M., Musa, L., Nichitiu, F., Panzieri, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Prakhov, S. N., Puddu, G., Ricci, R. A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Saino, A., Salvini, P., Santi, L., Sapozhnikov, M. G., Cesari, N. Semprini, Serci, S., Spighi, R., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Usai, G., Vannucci, L., Vecchi, S., Vedovato, G., Venturelli, L., Villa, M., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., and The OBELIX Collaboration

Published
1994
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46. Changes in the Annihilation’s delay time distribution of stopped antiprotons in helium gas, due to contaminants.—I

Author

Ableev, V. G., Adamo, A., Agnello, M., Balestra, F., Belli, G., Bendiscioli, G., Bertin, A., Boccaccio, P., Bonazzola, G. C., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cereda, B., Cerello, P., Cicalo, C., Corradini, M., Costa, S., De Castro, S., Denisov, O. Yu., D’Isep, F., Donzella, A., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Filippini, V., Galli, D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Grasso, A., Guaraldo, C., Iazzi, F., Lai, A., Lanaro, A., Lodi Rizzini, E., Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Montagna, P., Morando, M., Musa, L., Nichitiu, F., Panzieri, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Prakhov, S. N., Puddu, G., Ricci, R. A., Rizzo, C., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Salvini, P., Santi, L., Sapozhnikov, M. G., Semprini Cesari, N., Serci, S., Spighi, R., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Usai, G. L., Vannucci, L., Vecchi, S., Vedovato, G., Venturelli, L., Villa, M., Vitale, A., Zavattini, E., Zenoni, A., Zoccoli, A., Zosi, G., and The OBELIX Collaboration

Published
1994
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47. Annihilation cross-sections of antineutrons on C, Al, Cu, Sn and Pb at low momenta (180–280 MeV/c) with the OBELIX spectrometer

Author

Ableev, V. G., Adamo, A., Agnello, M., Balestra, F., Belli, G., Bendiscioli, G., Bertin, A., Boccaccio, P., Bonazzola, G. C., Botta, E., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cereda, B., Cerello, P., Cicalò, C., Corradini, M., Costa, S., De Castro, S., De Leo, C., Desinov, D. Yu., D’Isep, F., Donzella, A., Fava, L., Feliciello, A., Ferrero, L., Filippi, A., Filippini, V., Galli, T. D., Garfagnini, R., Gastaldi, U., Giacobbe, B., Gianotti, P., Grasso, A., Guaraldo, C., Iazzi, F., Lanaro, A., Lodi Rizzini, E., Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Maron, G., Masoni, A., Massa, I., Minetti, B., Montagna, P., Morando, M., Nichitiu, F., Panzieri, D., Parena, D., Pauli, G., Piccinini, M., Piragino, G., Poli, M., Prakhov, S. N., Puddu, G., Ricci, R. A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Salvini, P., Santi, L., Sapozhnikov, M. G., Semprini-Cesari, N., Serci, S., Spighi, R., Temnikov, P., Tessaro, S., Tosello, F., Tretyak, V. I., Usai, G. L., Vannucci, L., Vecchi, S., Vedovato, G., Venturelli, L., Villa, M., Vitale, A., Zenoni, A., Zoccoli, A., Zosi, G., and OBELIX Collaboration

Published
1994
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48. Effects of surface heavy ion implantation on superconducting melt-textured YBa2Cu3O7-delta

Author

Mezzetti, E., Gerbaldo, R., Ghigo, G., Gozzelino, L., Minetti, B., and Cherubini, R.

Subjects
Heavy ions -- Research, Ion implantation -- Research, Physics
Abstract

Linearly correlated defects were introduced into top and bottom surface layers of melt-textured YBa2Cu3O7-delta bulk having irradiation modified percent thickness ranging from 13% to 5%. This was done to test the possibility of predictably enhancing the critical current density of a bulk material with a strong uncorrelated disorder. Minimal effects were observed near the irreversibility line when the irradiated thickness was less than 2% of the whole length. Vortex localization was noted in the higher range of temperature and magnetic field.

Published
1997

49. Enhanced critical current density in melt textured YBCO via Au ion surface irradiation

Author

Mezzetti, E., Gerbaldo, R., Ghigo, G., Gozzelino, L., Minetti, B., and Cherubini, R.

Subjects
Ion bombardment -- Research, Superconductive devices -- Research, Density currents -- Research, Business, Electronics, Electronics and electrical industries
Abstract

Both sides of bulk melted textured YBCO were irradiated with 235 MeV Au ions. Two surface layers of columnar defects were developed since the thickness of the samples were greater than the ions' penetration range. Resulting temperature and field ranges exhibited improvements in critical current density and the reversible and irreversible regime boundary shifted towards higher temperatures.

Published
1997

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