Zobrazeno 1 - 10 of 12 pro vyhledávání: '"V. G. Ableev"'
1
Changes in the Annihilation’s delay time distribution of stopped antiprotons in helium gas, due to contaminants.—I
Autor: V. G. Ableev, A. Adamo, M. Agnello, F. Balestra, G. Belli, G. Bendiscioli, A. Bertin, P. Boccaccio, G. C. Bonazzola, T. Bressani, M. Bruschi, M. P. Bussa, L. Busso, D. Calvo, M. Capponi, B. Cereda, P. Cerello, C. Cicalo, M. Corradini, S. Costa, S. Castro, O. Y.u. Denisov, F. D’Isep, A. Donzella, L. Fava, A. Feliciello, L. Ferrero, A. Filippi, V. Filippini, D. Galli, R. Garfagnini, U. Gastaldi, B. Giacobbe, P. Gianotti, A. Grasso, C. Guaraldo, F. Iazzi, A. Lai, A. Lanaro, E. Lodi Rizzini, M. Lombardi, V. Lucherini, A. Maggiora, S. Marcello, U. Marconi, G. Maron, A. Masoni, I. Massa, B. Minetti, P. Montagna, M. Morando, L. Musa, F. Nichitiu, D. Panzieri, G. Pauli, M. Piccinini, G. Piragino, M. Poli, S. N. Prakhov, G. Puddu, R. A. Ricci, C. Rizzo, E. Rossetto, A. Rotondi, A. M. Rozhdestvensky, P. Salvini, L. Santi, M. G. Sapozhnikov, N. Semprini Cesari, S. Serci, R. Spighi, P. Temnikov, F. Tosello, V. I. Tretyak, G. L. Usai, L. Vannucci, S. Vecchi, G. Vedovato, L. Venturelli, M. Villa, A. Vitale, E. Zavattini, A. Zenoni, A. Zoccoli, G. Zosi, MARGAGLIOTTI, GIACOMO, TESSARO, SUSANNA
The effect of contaminants (H2, N2, Ne, Ar, Xe) on the time distribution of delayed annihilations (average delay time about 3 μs) of antiprotons stopped in helium gas, at 3 atm and room temperature, has been experimentally investigated. The annihila
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d58a3fda88f7dc5682974c86c9986b0
https://hdl.handle.net/11368/2719398
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2
Measurement of the (anti)p-pi+pi and (anti)p-K+K- annihilation frequencies in a 5 mb hydrogen gas target
Autor: V. G. Ableev, A. Adamo, M. Agnello, A. Andrighetto, F. Balestra, G. Belli, G. Bendiscioli, A. Bertin, P. Boccaccio, G. C. Bonazzola, T. Bressani, M. Bruschi, M. P. Bussa, L. Busso, D. Calvo, M. Capponi, P. Cerello, C. Cicalo, M. Corradini, S. Costa, I. D'Antone, S. De Castro, F. D'Isep, A. Donzella, L. Fava, A. Feliciello, L. Ferrero, A. Filippi, V. Filippini, D. Galli, R. Garfagnini, U. Gastaldi, P. Gianotti, A. Grasso, C. Guaraldo, F. Iazzi, A. Lai, A. Lanaro, E. Lodi Rizzini, M. Lombardi, V. Lucherini, A. Maggiora, G. Maneva, S. Marcello, U. Marconi, G. Maron, A. Masoni, I. Massa, B. Minetti, M. Morando, P. Montagna, L. Musa, F. Nichitiu, D. Panzieri, G. Pauli, M. Piccinini, G. Piragino, M. Poli, G. Puddu, R. A. Ricci, E. Rossetto, A. Rotondi, A. M. Rozhdestvensky, P. Salvini, L. Santi, M. G. Sapozhnikov, N. Semprini Cesari, S. Serci, R. Spighi, S. Vecchi, P. Temnikov, S. Tessaro, F. Tosello, V. I. Tretyak, G. Usai, L. Vannucci, G. Vedovato, L. Venturelli, M. Villa, A. Vitale, A. Zenoni, A. Zoccoli, G. Zosi, MARGAGLIOTTI, GIACOMO
We report the first measurement of the K+K-, pi+pi- frequencies for pBAR annihilations at rest in a gaseous H-2 target at low pressure (5 mbar). We have obtained:f(pipi)=(4.26+/-0.11) X 10(-3), f(KK)=(0.46+/-0.03)X10(-3). The ratio R=f(KK)/f(pipi) ha
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f2c722df87437b70ab33bc2253fd5e29
http://hdl.handle.net/11368/2634831
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3
A preliminary spin-parity analysis on the anti-p.p -> pi+.pi-.eta annihilation at rest
Autor: R. Spighi, for the OBELIX Collaboration [. V. G. Ableev, Agnello, Michelangelo, Balestra, F., Belli, G., Bendiscioli, G., Bergamaschi, S., Bertin, A., Botta, E., Bressani, T., Bruschi, M., Bussa, M. P., Busso, L., Calvo, D., Capponi, M., Cavion, C., Cereda, B., Cerello, P. G., Cicalo, C., Corradini, M., Costa, S., De Castro, S., Denisov, O. Y. u., D'Isep, D., 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, Felice, Lanaro, A., Lodi Rizzini, E., Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, G. V., Masoni, A., Minetti, Bruno, Montagna, P., Morando, M., Nichitiu, F., Panzieri, D., Parena, D., Pauli, G., Petrascu, C., Piccinini, M., Prakhov, S., Puddu, G., Rosca, A., Rossetto, E., Rotondi, A., Rozhdestvensky, A. M., Saino, A., Salvini, P., Santi, L., Sapozhnikov, M. G., Scoglio, C., Semprini Cesari, N., 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.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2153::f9c83c2d2305fa4a9774cb74a36a4e7e
http://hdl.handle.net/11583/1849576
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5
φ and ω meson production in annihilation and the OZI rule
Autor: M. Corradini, Alberto Masoni, D. Calvo, F. Nichitiu, L. Venturelli, A. Grasso, G. Pauli, A. Filippi, R. Garfagnini, Paolo Montagna, Elena Botta, F. Tosello, S. Tessaro, Michelangelo Agnello, Marco Bruschi, Antonio Zoccoli, S. Marcello, Umberto Marini Bettolo Marconi, T. D. Galli, Tullio Bressani, V.I. Tretyak, A. Saino, U. Gastaldi, A. Maggiora, V. Lucherini, F. D'Isep, V. Filippini, L. Fava, M. Morando, F. Balestra, Paola Gianotti, Aldo Zenoni, G. Zosi, L. Busso, M. Nupieri, Roberto Spighi, Bruno Minetti, M.P. Bussa, P. Cerello, M.G. Sapozhnikov, S. De Castro, Stefania Vecchi, A. Bertin, A.M. Rozhdestvensky, S. Costa, G. L. Usai, A. Vitale, P.P. Temnikov, Felice Iazzi, Corrado Cicalo, Massimo Piccinini, Adriano Fontana, M. Capponi, N. Semprini Cesari, B. Cereda, S. Serci, L. Santi, Mauro Villa, V.G. Ableev, Armando Lanaro, L. Ferrero, Alberto Rotondi, G. Puddu, E. Rossetto, D. Panzieri, G. V. Margagliotti, Alessandro Feliciello, C. Guaraldo, G. Bendiscioli, G.C. Bonazzola, Paola Salvini, Antonietta Donzella, Benedetto Giacobbe, E. Lodi Rizzini
Publikováno v: Physics Letters B. 334:237-243
The φπ + /ωπ + ratio from n ¯ p annihilations on a liquid hydrogen target, for n ¯ momenta between 64 and 297 MeV/ c , was measured using the OBELIX spectrometer at LEAR. The ratio R ( ϕ π / ω π ) = σ ( n ¯ p → ϕ π + ) / σ ( n ¯ p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b07703d107943c0120d052a84cc535e
https://doi.org/10.1016/0370-2693(94)90618-1
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6
New data on OZI rule violation in annihilation at rest
Autor: Mauro Villa, A. Feliciello, Tullio Bressani, L. Fava, Felice Iazzi, A. Vezzani, O.Yu. Denisov, S. Marcello, D. D'Isep, A. Saino, U. Gastaldi, A.M. Rozhdestvensky, Maurizio Piccinini, S. De Castro, Corrado Cicalo, A. Grasso, Alberto Andrighetto, V.I. Tretyak, Michelangelo Agnello, A. Maggiora, Bruno Minetti, C. Guaraldo, V. Lucherini, R. Garfagnini, M.P. Bussa, S. Serci, A. Filippi, Paolo Montagna, Stefania Vecchi, D. Galli, L. Venturelli, Nicola Semprini-Cesari, F. Vigotti, E. Lodi Rizzini, Antonietta Donzella, Alberto Masoni, S. Costa, Gianfranco Zosi, Elena Botta, B. Giacobbe, D. Calvo, L. Busso, D. Panzieri, Adriano Fontana, G. Bendiscioli, G. Puddu, Paola Gianotti, A. Ferretti, Marco Bruschi, Paola Salvini, F. Tosello, G. L. Usai, V. Filippini, F. Balestra, S. Tessaro, G. V. Margagliotti, C. Cavion, E. Rossetto, L. Santi, Aldo Zenoni, Armando Lanaro, Petar Temnikov, A. Bertin, G. Belli, M. Morando, L. Ferrero, Alberto Rotondi, C. Petrascu, V.P. Nomokonov, D. Parena, U. Marconi, M. Lombardi, M.G. Sapozhnikov, V.G. Ableev, A. Vitale, R. Spighi, O.E. Gorchakov, A M Rosca, S.N. Prakhov, M. Corradini, F. Nichitiu, G. Pauli, Piergiorgio Cerello, M. Poli, Antonio Zoccoli
The results of measuring the ratio R = Y(φπ + π − ) Y(ωπ + π − ) for antiproton annihilation at rest in a gaseous and a liquid hydrogen target are presented. It was found that the value of this ratio increases with the decrease of the dipio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95ff34ed99617c125c4f4a2b74ca59ec
http://hdl.handle.net/11368/2634748
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7
φπ0 and φη production in antiproton annihilation at rest in a hydrogen gas target at NTP
Autor: Ableev, Vg, Agnello, M, Balestra, F, Bendiscioli, G, Bergamaschi, S, Bertin, A, Botta, E, Bressani, T, Bruschi, M, Bussa, Mp, Busso, L, Calvo, D, Capponi, M, Cavion, C, Cereda, B, Cerello, P, Cicalo, C, Corradini, M, Costa, S, Decastro, S, Denisov, Oy, Disep, 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, Oe, Grasso, A, Guaraldo, C, Iazzi, F, Lanaro, A, Rizzini, El, Lombardi, M, Lucherini, V, Maggiora, A, Marcello, S, Marconi, U, Margagliotti, Gv, Masoni, A, Minetti, B, Montagna, P, Morando, M, Nichitiu, F, Panzieri, D, Parena, D, Pauli, P, Petrascu, C, Piccinini, M, Prakhov, S, Puddu, G, Rosca, A, Rossetto, E, Rotondi, A, Rozhdenstvensky, Am, Saino, A, Salvini, P, Santi, Lorenzo Gianni, Sapozhnikov, Mg, Scoglio, C, Cesari, Ns, Serci, S, Spighi, R, Temnikov, P, Tessaro, S, Tosello, F, Tretyak, Vi, Usai, Gl, Vannucci, L, Vecchi, S, Vedovato, G, Venturelli, L, Villa, M, Vitale, A, Zenoni, A, Zoccoli, A, RI Galli Domenico/A 1606 2012 Iazzi Felice/F 4490 2012 Botta Elena/G 9742 2012 Villa Mauro/C 9883 2009 Fontana Andrea/I 4375 2012 Filippi Alessandra/I 9530 2012
Data of antiproton annihilation at rest in a hydrogen gas target at NTP have been collected with the Obelix spectrometer exposed to the beam extracted from the LEAR accelerator of CERN. The reactions --> phi pi(0) and --> phi eta have been studied. T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::765a1a5e45dd5266b672ae75c9baf661
http://hdl.handle.net/11368/2634778
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8
Study of the OZI-rule violation in antiproton annihilation in deuterium at rest
Autor: S. De Castro, Bruno Minetti, Maurizio Piccinini, A. Maggiora, M.G. Sapozhnikov, O.E. Gorchakov, A. Masoni, I. Massa, Antonio Zoccoli, S. Marcello, L. Venturelli, Armando Lanaro, C. De Leo, V.G. Ableev, Sergio Serci, Michelangelo Agnello, G.C. Bonazzola, U. Marconi, Felice Iazzi, M. Poli, G. Vedovato, F. D'Isep, Nicola Semprini-Cesari, A. Saino, Corrado Cicalo, Elena Botta, P. Boccaccio, Paola Gianotti, G. Maron, G. Bendiscioli, Stefania Vecchi, Paola Salvini, M. Morando, A. Adamo, A.M. Rozhdestvensky, E. Lodi Rizzini, S. Costa, D. Panzieri, D. Yu. Denisov, B. Cereda, V.T. Tretyak, L. Vannucci, Gianfranco Zosi, C. Guaraldo, G. L. Usai, M. Lombardi, L. Ferrero, Adriano Fontana, M. Corradini, D. Calvo, G. Puddu, Alberto Rotondi, G. Pauli, Marco Bruschi, G. Piragino, Mauro Villa, D. Galli, A. Filippi, M. Capponi, Tullio Bressani, A. Vitale, Paolo Montagna, F. Balestra, F. Nichitiu, G. Belli, U. Gastaldi, R. A. Ricci, G. V. Margagliotti, Alessandro Feliciello, Antonietta Donzella, A. Grasso, E. Rossetto, R. Garfagnini, P. Cerello, B. Giacobbe, A. Bertin, F. Tosello, L. Santi, Maria Pia Bussa, S. Tessaro, L. Busso, V. Filippini, V. Lucherini, Aldo Zenoni, R. Spighi, S.N. Prakhov, L. Fava
Publikováno v: ResearcherID
The branching ratios of Φπ− and ωπ− final states were measured for the antiproton annihilation in gaseous deuterium at rest. A significant violation of the OZI rule was found.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::969206c41c6a5d5d9dcff7d3653e26af
http://hdl.handle.net/11368/2719390
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9
Annihilation Cross-sections of Antineutrons On C, Al, Cu, Sn and Pb At Low Momenta (180-280 Mev/c) With the Obelix Spectrometer
Autor: I. Massa, S. Marcello, F. D'Isep, G. L. Usai, M. Corradini, L. Vannucci, Umberto Marini Bettolo Marconi, Tullio Bressani, M. Morando, V. Filippini, Alberto Masoni, F. Nichitiu, Antonio Zoccoli, A.M. Rozhdestvensky, Felice Iazzi, U. Gastaldi, T. D. Galli, Corrado Cicalo, L. Venturelli, M. Lombardi, Aldo Zenoni, D. Calvo, P. Cerello, Mauro Villa, C. Deleo, Massimo Piccinini, M.G. Sapozhnikov, G. Pauli, Nicola Semprini-Cesari, F. Tosello, A. Bertin, S. Tessaro, D. Panzieri, G.C. Bonazzola, A. Grasso, M. Poli, V.G. Ableev, G. Vedovato, Paola Salvini, P.P. Temnikov, G. Belli, Marco Bruschi, Gianfranco Zosi, Paola Gianotti, S. Decastro, A. Filippi, Armando Lanaro, A. Adamo, V.I. Tretyak, Antonietta Donzella, L. Santi, Stefania Vecchi, A. Maggiora, Roberto Spighi, V. Lucherini, L. Fava, F. Balestra, Maria Pia Bussa, R. A. Ricci, A. Vitale, L. Busso, S. Costa, Elena Botta, B. Cereda, S. Serci, D. Y. Desinov, L. Ferrero, R. Garfagnini, Alberto Rotondi, D. Parena, Paolo Montagna, P. Boccaccio, G. Puddu, G. Bendiscioli, Benedetto Giacobbe, Michelangelo Agnello, S.N. Prakhov, E. Rossetto, C. Guaraldo, M. Capponi, G. Piragino, E. L. Rizzini, G. V. Margagliotti, Alessandro Feliciello, G. Maron, Bruno Minetti
Publikováno v: Scopus-Elsevier
Annihilation cross-sections sigma(ann) for antineutrons on some nuclei (C, Al, Cu, Sn and Pb) at three antineutron momenta (180, 240 and 280 MeV/c) were measured at LEAR (CERN) with the OBELIX spectrometer. A behaviour sigma(ann) = = sigma0A(nu) has
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aecaec4d4a92b970f5926a01c2cc330
http://hdl.handle.net/2318/105823
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10
Meson spectroscopy with S- and P-wave-dominant initial-state selection in anti-pp annihilation
Autor: 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., Castro, S., Leo, C., Denisov, D. Y. u., 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., Lodi Rizzini, E., Lombardi, M., Lucherini, V., Maggiora, A., Marcello, S., Marconi, U., Margagliotti, Giacomo, 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., Semprini Cesari, N., Serci, S., Spighi, R., Temnikov, P., Tessaro, Susanna, 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.
The possibility of selecting the initial angular-momentum state from which antiproton-proton annihilation at rest can occur can be a fundamental tool in meson spectroscopy. With the OBELIX detector different target systems have been employed, ranging
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9f5ac078a103c081b75af3643d620957
https://hdl.handle.net/11368/2719391
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