Study of η and η′ production in annihilations

Autor: Alberto Masoni, D. Calvo, A. Grasso, A.M. Rozhdestvensky, A. Filippi, O.E. Gorchakov, M. Capponi, Tullio Bressani, R. Donà, Germano Bonomi, Maurizio Piccinini, R. Spighi, S. Mauro, S. De Castro, Piergiorgio Cerello, C. Guaraldo, M. Poli, Michelangelo Agnello, S. Serci, Stefania Vecchi, Paolo Montagna, D. Panzieri, Bruno Minetti, Mauro Villa, M.G. Sapozhnikov, V. Filippini, Paola Salvini, E. Lodi Rizzini, V. Vagnoni, V.I. Tretyak, A. Maggiora, S.N. Prakhov, V. Lucherini, Aldo Zenoni, V.G. Ableev, G. Puddu, G. Bendiscioli, N. Semprini Cesari, F. Balestra, L. Venturelli, Maria Pia Bussa, L. Busso, U. Marconi, R. Garfagnini, B. Giacobbe, Antonio Zoccoli, S. Costa, Elena Botta, Marco Bruschi, A. Feliciello, A. Panzarasa, O. Y. Denisov, L. Vannucci, Andrea Bianconi, G. L. Usai, I. Massa, S. Marcello, F. D'Isep, Armando Lanaro, A. Vitale, G. Vedovato, Paola Gianotti, A. Bertin, D. Galli, Adriano Fontana, N. Mirfakhraee, F. Tosello, S. Tessaro, Felice Iazzi, Corrado Cicalo, Alberto Rotondi, C. Petrascu

Publikováno v: Physics Letters B. 471:263-270

The annihilation fractions and cross sections for the n p annihilation reaction in flight (∼50–400 MeV/c) into ηπ+ and η′π+ final states have been measured. The first ones follow the trend expected for P wave annihilations. From the ratios

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a191cfd47d30ff00a22591691d8b921
https://doi.org/10.1016/s0370-2693(99)01316-7

Study of and annihilation reactions in flight

Autor: D. Panzieri, E. Lodi Rizzini, Alberto Masoni, G. Vedovato, D. Calvo, N. Semprini Cesari, Paolo Montagna, Paola Gianotti, V. Filippini, L. Santi, G. Bendiscioli, Antonietta Donzella, C. Cavion, Aldo Zenoni, A.M. Rozhdestvensky, Michelangelo Agnello, B. Giacobbe, C. Guaraldo, O. Y. Denisov, C. Fanara, S. Costa, S.N. Prakhov, R. Spighi, M. Lombardi, V. Vagnoni, A. Grasso, L. Valacca, O.E. Gorchakov, A. Raimondo, L. Venturelli, M.G. Sapozhnikov, M. Corradini, V. Alberico, F. Nichitiu, M. Capponi, L. Busso, G. Pauli, A. Panzarasa, Tullio Bressani, U. Gastaldi, V.G. Ableev, F. Balestra, S. De Castro, M.P. Bussa, Stefania Vecchi, Piergiorgio Cerello, M. Poli, Armando Lanaro, A. Feliciello, S. Serci, U. Marconi, V.I. Tretyak, G. Maron, A. Maggiora, Paola Salvini, A. Vitale, V. Lucherini, S. Mauro, D. Bergo, Bruno Minetti, F. Vigotti, L. Vannucci, Antonio Zoccoli, Mauro Villa, Elena Botta, S. Marcello, Marco Bruschi, R. Garfagnini, G. L. Usai, L. Ferrero, Alberto Rotondi, C. Petrascu, D. Galli, Maurizio Piccinini, Gianfranco Zosi, Adriano Fontana, A. Ferretti, N. Mirfakhraee, F. Tosello, S. Tessaro, C. Scoglio, Felice Iazzi, Corrado Cicalo, A. Filippi, R. Donà, Petar Temnikov, A. Bertin, G. Puddu

Publikováno v: Nuclear Physics A. 655:453-494

The results of a study of the annihilation reactions n p → θπ + and n p → ωπ + are reported; the data were collected by the OBELIX apparatus, with antineutrons annihilating in flight (momenta from ∼ 50 MeV/ c to 405 MeV/ c ). Annihilation f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09132bebc59b8fa61ade054dfec31ca6
https://doi.org/10.1016/s0375-9474(99)00157-8

Study of φ and f′2(1525) meson production in annihilation at rest

Autor: M. Capponi, Tullio Bressani, U. Gastaldi, A. Feliciello, S. Mauro, Paola Salvini, Armando Lanaro, V. Vagnoni, L. Valacca, D. D'Isep, L. Fava, G. Puddu, M. Poli, L. Venturelli, G. Vedovato, Paola Gianotti, U. Marconi, A. Filippi, A.M. Rozhdestvensky, C. Scoglio, S. De Castro, R. Donà, D. Galli, S. Costa, A. Vitale, Alberto Masoni, S.N. Prakhov, L. Ferrero, R. Spighi, S. Serci, D. Calvo, M. Corradini, F. Nichitiu, Alberto Rotondi, C. Petrascu, V.P. Nomokonov, B. Giacobbe, O.E. Gorchakov, N. Semprini Cesari, A M Rosca, D. Panzieri, N. Mirfakhrai, G. Pauli, A. Panzarasa, S. Marcello, L. Santi, V. Filippini, Maurizio Piccinini, Marco Bruschi, Antonio Zoccoli, Elena Botta, Piergiorgio Cerello, C. Cavion, V.I. Tretyak, Michelangelo Agnello, M.P. Bussa, A. Maggiora, V. Lucherini, Aldo Zenoni, L. Busso, Stefania Vecchi, L. Vannucci, Petar Temnikov, Mauro Villa, A. Bertin, F. Tosello, S. Tessaro, A Alberico, E. Lodi Rizzini, R. Bianconi, R. Garfagnini, A. Grasso, Felice Iazzi, Corrado Cicalo, F. Vigotti, G. L. Usai, F. Balestra, Adriano Fontana, A. Ferretti, Paolo Montagna, C. Guaraldo, Bruno Minetti, G. Bendiscioli, O.Yu. Denisov, M. Lombardi, M.G. Sapozhnikov, V.G. Ableev, G. Maron

Publikováno v: Physics Letters B. 438:430-440

The reaction p p→K + K − π 0 was analysed for antiproton annihilations at rest at three hydrogen target densities. A strong dependence of the p p→φπ 0 yield on the quantum numbers of the initial state is observed. The branching ratio of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8d93e3735a69fb447e06ae061e3a471
https://doi.org/10.1016/s0370-2693(98)01160-5

Study of thef0(1500)/f2(1565)production in the exclusive annihilationn̄p→π+π+π−in flight

Autor: Roberto Spighi, Antonietta Donzella, V.G. Ableev, Bruno Minetti, O. Gortchakov, A. Vitale, V.I. Tretyak, A. Collamati, Paola Salvini, A. Maggiora, N. Mirfakhrai, V. Lucherini, D. Bergo, L. Busso, S.N. Prakhov, E. Rossetto, L. Fava, P.P. Temnikov, M. Poli, A. Grasso, S. De Castro, M. Lombardi, M. Corradini, Alberto Masoni, Marco Bruschi, F. Nichitiu, G. Bendiscioli, D. Galli, G. Vedovato, G. Pauli, C. Scoglio, S. Serci, L. Valacca, D. Calvo, L. Venturelli, C. Guaraldo, Adriano Fontana, A M Rosca, Mauro Villa, Benedetto Giacobbe, A. Vezzani, D. Panzieri, M. Capponi, Paolo Montagna, Paola Gianotti, F. Tosello, C. Fanara, E. Lodi Rizzini, Umberto Marini Bettolo Marconi, M.P. Bussa, Alessandro Feliciello, S. Tessaro, Michelangelo Agnello, V. Filippini, Stefania Vecchi, C. Cavion, Aldo Zenoni, A.M. Rozhdestvensky, Antonio Ferretti, Massimo Piccinini, Felice Iazzi, Corrado Cicalo, G. Maron, Armando Lanaro, A. Saino, O. Y. Denisov, S. Marcello, S. Costa, F. D'Isep, G. L. Usai, F. Balestra, Tullio Bressani, U. Gastaldi, G. Puddu, L. Ferrero, Alberto Rotondi, C. Petrascu, N. Semprini Cesari, L. Vannucci, L. Santi, Elena Botta, F. Vigotti, R. Garfagnini, P. Cerello, A. Bertin, P. Damiani, A. Filippi, R. Donà, Antonio Zoccoli, M.G. Sapozhnikov

Publikováno v: Physical Review D. 57:55-66

The spin-parity analysis of the $\mathrm{n\ifmmode \bar{}\else \={}\fi{}}\stackrel{\ensuremath{\rightarrow}}{p}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ exclusive reaction in flight is presented. The main aim is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af01b72e2108b364336e446ef9f039c9
https://doi.org/10.1103/physrevd.57.55

Study of annihilation in two mesons in the momentum range between 50 to 400 MeV/c with OBELIX

Autor: P.P. Temnikov, Antonietta Donzella, Paolo Montagna, Stefania Vecchi, S. Costa, Elena Botta, L. Fava, Adriano Fontana, A.M. Rozhdestvensky, M.G. Sapozhnikov, I. Massa, R. Garfagnini, M. Corradini, S. Marcello, Marco Bruschi, Alberto Masoni, Paola Salvini, S.N. Prakhov, G. Pauli, L. Ferrero, Massimo Piccinini, F. Vigotti, D. Calvo, A. Vezzani, Bruno Minetti, Antonio Ferretti, L. Valacca, V.G. Ableev, S. Decastro, Alberto Rotondi, L. Venturelli, S. Serci, C. Petrascu, F. Nichitiu, L. Busso, O.E. Gorchakov, D. Parena, M. Poli, G. Vedovato, Tullio Bressani, F. Tosello, A. Saino, A M Rosca, Maria Pia Bussa, U. Gastaldi, S. Tessaro, V.I. Tretyak, G. L. Usai, G. Maron, O. Y. Denisov, A. Maggiora, Paola Gianotti, M. Lombardi, A. Collamati, Mauro Villa, V. Lucherini, M. Capponi, L. Vannucci, D. Galli, V. Filippini, G. Puddu, V. Vagnoni, L. Santi, Felice Iazzi, Armando Lanaro, C. Cavion, Roberto Spighi, Corrado Cicalo, Aldo Zenoni, Nicola Semprini-Cesari, D. Panzieri, C. Scoglio, A. Vitale, A. Grasso, Umberto Marini Bettolo Marconi, E. Rossetto, E. L. Rizzini, Alessandro Feliciello, Benedetto Giacobbe, G. Bendiscioli, A. Filippi, R. Donà, C. Guaraldo, A.E. Kudryavtsev, P. Cerello, A. Bertin, Michelangelo Agnello, F. Balestra, L. Filippi, Antonio Zoccoli

Publikováno v: Physics Letters B. 410:344-352

We measured the in flight annihilation frequencies and cross sections of reactions n p → π + π 0 ,π + η and K+KS in the antineutron momentum range between 50 and 400 MeV/c. The annihilation frequencies of these channels from the different allow

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::faae3c768fad9a586c6ebbdb9d25df7d
https://doi.org/10.1016/s0370-2693(97)00938-6