Zobrazeno 1 - 10
of 104
pro vyhledávání: '"O.E. Gorchakov"'
Autor:
K. Gritsay, A.V. Kuptsov, Carlos Marinas, V. Kruglov, A. Ryazantsev, Masaaki Kobayashi, Y. Yoshimura, A. Sidorov, V.I. Rykalin, P. Chliapnikov, Bernardo Adeva, Tomáš Trojek, D. Fluerasu, Claude Amsler, P. Prusa, A. Anania, A. I. Kulikov, J. Smolik, Yoshihisa Iwashita, M. Plo, M. Nikitin, P. Doskarova, S. Constantinescu, M. Gugiu, J. Saborido, J. Martincik, M. Hansroul, L. Afanasyev, G. Caragheorgheopol, M. Pentia, R. Lednicky, L. Nemenov, Armando Lanaro, J. Schacher, O.E. Gorchakov, A. Penzo, L. Kruglova, Z. Hons, Y. Allkofer, A. Romero Vidal, O. Ullaland, C. Ciocarlan, L. Tauscher, V. Karpukhin, T. Vrba, Masami Chiba, D. Dumitriu, M. Duma, M. Zhabitsky, V. Brekhovskikh, C. Guaraldo, T. Urban, A. Lamberto, V. Olchevskii, S.V. Trusov, S. Horikawa, Tomáš Čechák, S. Aogaki, A. Benelli, C. Detraz, E. Kulish, D. Drijard, A. Gorin, Fujio Takeutchi, V. Yazkov, J. Kluson, P. Zrelov, K. Okada, A. Dudarev, G.F. Rappazzo
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 839:52-85
The DIRAC spectrometer installed at CERN PS was upgraded in order to study simultaneously A2π and AπK atoms, namely the bound states of two π mesons, and of π and K mesons, respectively. The detector system can now accept a high intensity beam of
Autor:
P. Chliapnikov, Bernardo Adeva, V. D. Ovsiannikov, A. Romero Vidal, V.I. Rykalin, Tomáš Trojek, D. Fluerasu, O.E. Gorchakov, P. Prusa, C. Guaraldo, S.V. Trusov, Y. Yoshimura, E. Kulish, A. Sidorov, Masami Chiba, A. Lamberto, Tomáš Čechák, J. Kluson, M. Plo, A. Anania, D. Drijard, M. Pentia, J. Saborido, Yoshihisa Iwashita, L. Kruglova, Z. Hons, A. Gorin, V. Kruglov, V. Brekhovskikh, G.F. Rappazzo, M. Gugiu, R. Lednicky, T. Urban, J. Schacher, Fujio Takeutchi, A. Ryazantsev, P. Zrelov, V. Olchevskii, A. Benelli, A. Dudarev, A. I. Kulikov, J. Smolik, Masaki Kobayashi, V. Yazkov, J. Martincik, M. Hansroul, K. Okada, C. Marinas, D. Dumitriu, A. Penzo, K. Gritsay, L. Nemenov, M. Nikitin, T. Vrba, V. Karpukhin, P. Doskarova, Armando Lanaro, S. Aogaki, S. Horikawa, L. Afanasyev
Publikováno v:
Physical Review Letters. 122
The adapted DIRAC experiment at the CERN PS accelerator observed for the first time long-lived hydrogenlike π+π- atoms, produced by protons hitting a beryllium target. A part of these atoms crossed the gap of 96 mm between the target and a 2.1 μm
Autor:
L. Nemenov, L. Tauscher, Claude Amsler, P. Federicova, E. Kulish, P. Chliapnikov, Bernardo Adeva, D. Fluerasu, R. Lednicky, A. Anania, Y. Allkofer, V.I. Rykalin, J. Schacher, P. Zrelov, S. Horikawa, A. Romero Vidal, T. Vrba, C. Guaraldo, S. Aogaki, K. Gritsay, S.V. Trusov, P. Prusa, Carlos Marinas, M. Zhabitsky, A. Lamberto, A. Gorin, Yoshihisa Iwashita, Masaki Kobayashi, A. Penzo, M. Plo, A. Dudarev, Y. Yoshimura, M. Gugiu, A. Sidorov, Masami Chiba, V. Yazkov, L. Afanasyev, M. Pentia, V. Brekhovskikh, K. Okada, Fujio Takeutchi, Tomáš Čechák, G.F. Rappazzo, D. Dumitriu, L. Kruglova, Tomáš Trojek, M. Nikitin, J. Saborido, A. Benelli, V. Karpukhin, J. Kluson, J. Martincik, M. Hansroul, O.E. Gorchakov, Z. Hons, A.V. Kuptsov, A. Ryazantsev, D. Drijard, Armando Lanaro, V. Kruglov, A. I. Kulikov, J. Smolik, T. Urban, V. Olchevskii
Publikováno v:
Physical Review D. 96
After having announced the statistically significant observation ($5.6\ensuremath{\sigma}$) of the new exotic $\ensuremath{\pi}K$ atom, the DIRAC experiment at the CERN proton synchrotron presents the measurement of the corresponding atom lifetime, b
Autor:
E. Kulish, L. Tauscher, M. Nikitin, V. Olchevskii, L. Kruglova, L. Afanasyev, V. Brekhovskikh, T. Urban, A. I. Kulikov, J. Smolik, A. Romero Vidal, M. Zhabitsky, A. Gorin, D. Fluerasu, A. Lamberto, Fujio Takeutchi, V. Karpukhin, O.E. Gorchakov, M. Pentia, T. Trojek, Y. Allkofer, A. Penzo, T. Vrba, K. Gritsay, J. Saborido, R. Lednicky, A. Anania, Masami Chiba, Masaaki Kobayashi, A.V. Kuptsov, V. Yazkov, A. Ryazantsev, C. Guaraldo, Z. Hons, Yoshihisa Iwashita, M. Plo, S.V. Trusov, V. Kruglov, M. Gugiu, D. Drijard, S. Horikawa, J. Martincik, M. Hansroul, K. Okada, Tomáš Čechák, S. Aogaki, P. Doskarova, D. Dumitriu, Y. Yoshimura, C. Marinas, A. Sidorov, Armando Lanaro, P. Chliapnikov, Bernardo Adeva, V.I. Rykalin, Claude Amsler, P. Prusa, A. Benelli, J. Kluson, G.F. Rappazzo, P. Zrelov, A. Dudarev
Publikováno v:
Physical Review Letters. 117
The observation of hydrogenlike πK atoms, consisting of π^{-}K^{+} or π^{+}K^{-} mesons, is presented. The atoms are produced by 24 GeV/c protons from the CERN PS accelerator, interacting with platinum or nickel foil targets. The breakup (ionizati
Autor:
Piergiorgio Cerello, G. Puddu, M. Corradini, Felice Iazzi, C. Guaraldo, Corrado Cicalo, Adriano Fontana, A.M. Rozhdestvensky, L. Busso, L. Venturelli, A. Feliciello, Alberto Masoni, D. Calvo, Aldo Zenoni, Paola Salvini, Bruno Minetti, Armando Lanaro, V.I. Tretyak, A. Maggiora, L. Ferrero, S.N. Prakhov, S. Costa, O.E. Gorchakov, R. Garfagnini, G. L. Usai, Alberto Rotondi, V. Lucherini, Antonietta Donzella, Michelangelo Agnello, O. Y. Denisov, Paolo Montagna, M.P. Bussa, L. Lavezzi, D. Panzieri, Tullio Bressani, Elena Botta, Catalina Curceanu, E. Lodi Rizzini, S. Serci, G. Bendiscioli, A. Filippi, A. Grasso, A. Panzarasa, F. Balestra, S. Marcello, G. M. Sapozhnikov, A. De Falco, P. Gianotti, F. Tosello
Publikováno v:
Nuclear Physics A. 779:116-141
A research has been made to look for a signature of the positive-strangeness baryon resonance Θ + ( 1530 ) , which is expected to decay into p K 0 . A peak is observed in the p π + π − invariant mass distribution in antiproton– 4 He annihilati
Autor:
M. Corradini, F. Nichitiu, A.M. Rozhdestvensky, G. Pauli, Paolo Montagna, Paola Salvini, M. Lombardi, Massimo Piccinini, El Rizzini, Roberto Spighi, F. Tosello, Ableev, A. Vitale, S. Decastro, O.E. Gorchakov, D. Galli, A M Rosca, C. Guaraldo, Lucherini, M.G. Sapozhnikov, Alberto Masoni, G. Maron, D. Calvo, L. Santi, O. Y. Denisov, Bruno Minetti, Antonietta Donzella, Felice Iazzi, Armando Lanaro, L. Fava, G. Bendiscioli, Umberto Marini Bettolo Marconi, C. Scoglio, F. Balestra, Nicola Semprini-Cesari, L. Busso, Filippini, C. Cicalo, A. Grasso, E. Rossetto, M. Capponi, M. Poli, Mauro Villa, L. Ferrero, G. Vedovato, L. Vannucci, P. Gianotti, S. Serci, S. Tessaro, Benedetto Giacobbe, Alberto Rotondi, A. Collamati, Tullio Bressani, F. Vigotti, C. Petrascu, D. Panzieri, U. Gastaldi, D. Parena, C. Cavion, Aldo Zenoni, G. Puddu, R. Garfagnini, S. Costa, Elena Botta, Michelangelo Agnello, S.N. Prakhov, Antonio Zoccoli, P. Cerello, A. Bertin, A. Lai, L. Musa, Antonio Ferretti, A. Filippi, R. Donà, A. Feliciello, Andrea Fontana, Mp Bussa, V.I. Tretyak, A. Maggiora, A. Saino, Stefania Vecchi, Marco Bruschi, L. Valacca, L. Venturelli, P.P. Temnikov, A. Vezzani, G. L. Usai, S. Marcello
Publikováno v:
The European Physical Journal C. 33:23-30
Autor:
Paola Salvini, V.G. Ableev, V.I. Tretyak, A. Maggiora, V. Lucherini, M. Bargiotti, Antonietta Donzella, D. Panzieri, Felice Iazzi, S. De Castro, Corrado Cicalo, G. Bendiscioli, Tullio Bressani, Umberto Marini Bettolo Marconi, M.P. Bussa, Germano Bonomi, L. Venturelli, A. Bertin, L. Ferrero, A. Feliciello, V. Filippini, R. Garfagnini, N. Mirfakhrai, Alberto Masoni, D. Galli, Marco Bruschi, Alberto Rotondi, C. Cavion, A.M. Rozhdestvensky, Aldo Zenoni, C. Petrascu, D. Calvo, G. Puddu, A. Panzarasa, M. Astrua, A. Grasso, S. Marcello, Mauro Villa, O.E. Gorchakov, F. Balestra, C. Guaraldo, Piergiorgio Cerello, A. Filippi, Massimo Piccinini, Roberto Spighi, Adriano Fontana, Antonio Zoccoli, Andrea Bianconi, G. L. Usai, A. Vitale, N. Semprini Cesari, Stefania Vecchi, Pietro Faccioli, Armando Lanaro, M. Capponi, V. Vagnoni, Elena Botta, Michelangelo Agnello, G. Vedovato, Paola Gianotti, A. De Falco, S. Serci, Benedetto Giacobbe, Paolo Montagna, L. Busso, Laura Fabbri, O. Y. Denisov
Publikováno v:
Nuclear Physics A. 700:159-192
The p annihilation at rest in a NTP 4He-gas target has been studied by means of the Obelix spectrometer installed at the LEAR accelerator of CERN. Reactions with production of 2π−2π+, 2π−3π+, 2π−2π+p, 2π−π+2p, 2π−3p (with pπ>80 Me
Autor:
F. Balestra, C. Petrascu, L. Santi, Antonietta Donzella, Armando Lanaro, M.P. Bussa, Germano Bonomi, C. Guaraldo, O. Y. Denisov, V. Lucherini, A.M. Rozhdestvensky, E. Lodi Rizzini, A. Grasso, M. Maggiora, Gianfranco Zosi, L. Busso, G. Piragino, G. V. Margagliotti, M.L. Colantoni, S.N. Prakhov, R. Vilar, M. Corradini, F. Tosello, S. Tessaro, L. Ferrero, G. Gomez, Andrea Bianconi, P. Gianotti, R. Garfagnini, L. Venturelli, V.I. Tretyak, A. Maggiora, O.E. Gorchakov
Publikováno v:
Physics Letters B. 507:19-22
Up to now it has been observed that a fraction of about 3% of the p 's stopped in a dense He target survives for a surprisingly long time (tens of microseconds). As suggested by Condo in 1964 the long lifetime of p 's in He is explained by the existe
Autor:
G. Puddu, Sergio Serci, Michelangelo Agnello, N. Mirfakhrai, P. Montagna, M.P. Bussa, L. Ferrero, Stefania Vecchi, Alberto Rotondi, E. Lodi Rizzini, C. Petrascu, Andrea Bianconi, A.E. Kudryavtsev, G. L. Usai, I. Massa, S. Marcello, Felice Iazzi, A. Masoni, A. Bertin, M. Poli, S. De Castro, A. Filippi, Corrado Cicalo, R. Donà, Germano Bonomi, S.N. Prakhov, A. Feliciello, R. Spighi, Paola Gianotti, D. D'Isep, Marco Bruschi, Mauro Villa, Armando Lanaro, D. Panzieri, L. Venturelli, F. Tosello, Adriano Fontana, V. Filippini, D. Galli, S. Tessaro, B. Giacobbe, A. Grasso, A.M. Rozhdestvensky, V.I. Tretyak, Vincenzo Vagnoni, V. Lucherini, Maurizio Piccinini, Aldo Zenoni, S. Costa, U. Marconi, A. Vitale, Elena Botta, Paola Salvini, A. Maggiora, O.E. Gorchakov, F. Balestra, A. De Falco, G. Bendiscioli, O.Yu. Denisov, Bruno Minetti, C. Guaraldo, A. Panzarasa, L. Busso, Piergiorgio Cerello, M. Capponi, Tullio Bressani, D. Calvo, N. Semprini Cesari, Antonio Zoccoli
Publikováno v:
Nuclear Physics A. 686:317-340
The annihilation frequencies of 19 p p annihilation reactions at rest obtained in different target densities are analysed in order to determine the values of the P -wave annihilation percentage at each target density and the average hadronic branchin
Publikováno v:
Physics of Atomic Nuclei. 63:1847-1851
The yields of π+K−, pK−, and pπ− atoms in the reaction p + Al → atom + X at energies of 24, 70, 450 GeV and emission angles of θlab=1°–6° are calculated from inclusive-production cross sections for p, π+, π−, and K−. Estimates of