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NSR database version of May 24, 2024.

Search: Author = M.G.Sapozhnikov

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2001SA63      Nucl.Phys. A692, 63c (2001)

M.G.Sapozhnikov

Polarized Strangeness in the Nucleon

NUCLEAR REACTIONS 2H(p-bar, X), E at rest; analyzed hyperon production data. Polarized strangeness model.

doi: 10.1016/S0375-9474(01)01160-5
Citations: PlumX Metrics


2000EL07      Nucl.Phys. A673, 256 (2000)

J.Ellis, M.Karliner, D.E.Kharzeev, M.G.Sapozhnikov

Hadronic Probes of the Polarized Intrinsic Strangeness of the Nucleon

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; analyzed data; deduced role of polarized (s-bar)s component in nucleon wave function.

doi: 10.1016/S0375-9474(00)00128-7
Citations: PlumX Metrics


1999AL43      Yad.Fiz. 62, No 12, 2182 (1999); Phys.Atomic Nuclei 62, 2013 (1999)

V.Yu.Alexakhin, A.M.Kotzinian, M.G.Sapozhnikov, N.V.Vlasov

Study of Λ-Hyperon Polarization in the COMPASS Experiment

NUCLEAR REACTIONS 2H, 7Li(polarized μ+, X), E=100, 200 GeV; calculated Λ hyperon spectra, reaction rates, polarization features.


1999SA37      Nucl.Phys. A655, 151c (1999)

M.G.Sapozhnikov

Experimental Results on Strangeness Production

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; analyzed kaon associated invariant mass distributions; deduced φ meson production features. Polarized intrinsic strangeness model.

doi: 10.1016/S0375-9474(99)00195-5
Citations: PlumX Metrics


1999SA68      Yad.Fiz. 62, No 12, 2154 (1999); Phys.Atomic Nuclei 62, 1987 (1999)

M.G.Sapozhnikov

New Results from the OBELIX Collaboration on Strange-Particle Production

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; analyzed strange meson production data; deduced reaction mechanism features. Polarized intrinsic strangeness model.


1998KO47      Yad.Fiz. 61, No 9, 1670 (1998); Phys.Atomic Nuclei 61, 1558 (1998)

L.A.Kondratyuk, M.P.Bussa, Ye.S.Golubeva, M.G.Sapozhnikov, L.Valacca

Pontecorvo Reactions of Two-Body Antiproton Annihilation in Deuterium with Various Mesons in the Final State

NUCLEAR REACTIONS 2H(p-bar, X), E at rest; calculated branching ratios; deduced S, D wave contributions. Nonrelativistic two-step model.


1996SA27      Yad.Fiz. 59, No 8, 1493 (1996); Phys.Atomic Nuclei 59, 1435 (1996)

M.G.Sapozhnikov

φ Production in (N-bar)N Annihilation

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; analyzed φ-meson production data; deduced polarized intrinsic nucleon strangeness role in strong OZI-rule violation.


1995AB01      Nucl.Phys. A585, 577 (1995)

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

Measurements of the (p-bar)d Annihilation at Rest

NUCLEAR REACTIONS 2H(p-bar, X), E at rest; measured φ-, (omega)-production, absolute branching ratios. OBELIX spectrometer.

doi: 10.1016/0375-9474(94)00523-P
Citations: PlumX Metrics


1995AB17      Nucl.Phys. A594, 375 (1995)

V.G.Ableev, M.Agnello, F.Balestra, G.Bendiscioli, S.Bergamaschi, A.Bertin, E.Botta, T.Bressani, M.Bruschi, M.P.Bussa, L.Busso, D.Calvo, M.Capponi, C.Cavion, B.Cereda, P.Cerello, C.Cicalo, M.Corradini, S.Costa, S.De Castro, O.Yu.Denisov, F.D'Isep, A.Donzella, L.Fava, A.Feliciello, L.Ferrero, A.Filippi, V.Filippini, A.Fontana, D.Galli, R.Garfagnini, U.Gastaldi, B.Giacobbe, P.Gianotti, O.E.Gorchakov, A.Grasso, C.Guaraldo, F.Iazzi, A.Lanaro, E.Lodi Rizzini, M.Lombardi, V.Lucherini, A.Maggiora, S.Marcello, U.Marconi, G.V.Margagliotti, A.Masoni, B.Minetti, P.Montagna, M.Morando, F.Nichitiu, D.Panzieri, D.Parena, G.Pauli, C.Petrascu, M.Piccinini, S.Prakhov, G.Puddu, A.Rosca, E.Rossetto, A.Rotondi, A.M.Rozhdestvensky, A.Saino, P.Salvini, L.Santi, M.G.Sapozhnikov, C.Scoglio, N.Semprini-Cesari, S.Serci, R.Spighi, P.Temnikov, S.Tessaro, F.Tosello, V.I.Tretyak, G.L.Usai, L.Vannucci, S.Vecchi, G.Vedovato, L.Venturelli, M.Villa, A.Vitale, A.Zenoni, A.Zoccoli

φπ-0 and φη Production in Antiproton Annihilation at Rest in a Hydrogen Gas Target at NTP

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; measured kaon production related features; deduced production rate lower, upper limits. Kaons from φ-decay.

doi: 10.1016/0375-9474(95)00345-2
Citations: PlumX Metrics


1995EL10      Phys.Lett. 353B, 319 (1995)

J.Ellis, M.Karliner, D.E.Kharzeev, M.G.Sapozhnikov

Abundant φ-Meson Production in (p-bar)p Annihilation at Rest and Strangeness in the Nucleon

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; analyzed abundant φ-meson production data; deduced possible nucleon strangeness role.

doi: 10.1016/0370-2693(95)00573-4
Citations: PlumX Metrics


1994AB16      Phys.Lett. 329B, 407 (1994)

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.Margagliotti, 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

Measurement of the (p-bar)p → π+π- and (p-bar)p → K+K- Annihilation Frequencies in a 5 mb Hydrogen Gas Target

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; measured K+K-, π+, π- frequencies, ratio. Gaseous hydrogen target at low pressure.

doi: 10.1016/0370-2693(94)90794-3
Citations: PlumX Metrics


1994AD02      Nucl.Phys. A569, 761 (1994)

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, P.G.Cerello, C.Cicalo, S.Costa, S.De Castro, F.D'Isep, A.Donzella, L.Fava, A.Feliciello, L.Ferrero, A.Filippi, V.Filipini, D.Galli, R.Garfagnini, U.Gastaldi, P.Gianotti, A.Grasso, C.Guaraldo, F.Iazzi, D.E.Kharzeev, A.Lanaro, E.Lodi Rizzini, M.Lombardi, V.Lucherini, A.Maggiora, S.Marcello, U.Marconi, G.V.Margagliotti, G.Maron, A.Masoni, I.Massa, B.Minetti, P.Montagna, M.Morando, F.Nichitiu, D.Panzieri, G.Pauli, M.Piccinini, G.Piragino, M.Poli, G.Puddu, R.A.Ricci, E.Rossetto, A.Rotondi, A.M.Rozhdestvensky, A.Saino, P.Salvini, L.Santi, M.G.Sapozhnikov, N.Semprini-Cesari, S.Serci, R.Spighi, P.P.Temnikov, S.Tessaro, F.Tosello, V.I.Tretyak, G.L.Usai, L.Vannucci, S.Vecchi, G.Vedovato, L.Venturelli, M.Villa, A.Vitale, A.Zenoni, A.Zoccoli, G.Zosi

An Experimental Study of Antiproton-4He Annihilation at Rest

NUCLEAR REACTIONS 4He(p-bar, X), E at rest; measured (2π+-) invariant mass distribution, ππ(θ), πp(θ), pp(θ), π, p momentum distributions; deduced upper limit for probability of reaction (eta)(omega)pp → pp, branching ratio for reaction p-bar 4He → Mp(fast)+2n(spectator), M → 2π+-.

doi: 10.1016/0375-9474(94)90384-0
Citations: PlumX Metrics


1994SA68      Nuovo Cim. 107A, 2315 (1994)

M.G.Sapozhnikov, and the OBELIX Collaboration

Study of the OZI-Rule Violation in Antiproton Annihilation in Deuterium at Rest

NUCLEAR REACTIONS 2H(p-bar, X), E at rest; measured branching ratio for φπ-, (omega)π- final states following annihilation; deduced OZI rule violation.


1993AB13      Nucl.Phys. A562, 617 (1993)

V.G.Ableev, A.Adamo, M.Agnello, F.Balestra, G.Bendiscioli, A.Bertin, P.Boccaccio, G.Bonazzola, T.Bressani, M.Bruschi, M.P.Bussa, L.Busso, D.Calvo, M.Capponi, P.Cerello, C.Cicalo, M.Corradini, S.Costa, S.De Castro, F.D'Isep, A.Donzella, I.V.Falomkin, 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.Lanaro, E.Lodi Rizzini, M.Lombardi, V.Lucherini, A.Maggiora, G.Maneva, S.Marcello, U.Marconi, G.V.Margagliotti, G.Maron, A.Masoni, I.Massa, B.Minetti, P.Montagna, M.Morando, F.Nichitiu, D.Panzieri, G.Pauli, M.Piccinini, G.Piragino, M.Poli, G.B.Pontecorvo, 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, P.Temnikov, S.Tessaro, F.Tosello, V.I.Tretyak, G.Usai, L.Vannucci, S.Vecchi, G.Vedovato, L.Venturelli, M.Villa, A.Vitale, A.Zenoni, A.Zoccoli, G.Zosi, and the OBELIX Collaboration

A New Measurement of the Pontecorvo Reaction p(bar) + d → π- + p with the OBELIX Spectrometer at LEAR

NUCLEAR REACTIONS 2H(p-bar, π-), E at rest; measured absolute branching ratio, Pontecorvo reaction.

doi: 10.1016/0375-9474(93)90132-H
Citations: PlumX Metrics


1993AD03      Nucl.Phys. A553, 651c (1993)

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, C.Cicalo, M.Corradini, S.Costa, I.D'Antone, S.De Castro, D.D'Isep, L.Fava, A.Feliciello, L.Ferrero, V.Filippini, D.Galli, R.Garfagnini, U.Gastaldi, P.Gianotti, A.Grasso, C.Guaraldo, F.Iazzi, A.Lanaro, E.Lodi Rizzini, M.Lombardi, V.Lucherini, A.Maggiora, S.Marcello, U.Marconi, G.V.Margagliotti, G.Maron, A.Masoni, I.Massa, B.Minetti, M.Morando, P.Montagna, 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, P.Temnikov, S.Tessaro, F.Tosello, V.I.Tretyak, G.L.Usai, L.Vannucci, G.Vedovato, L.Venturelli, M.Villa, A.Vitale, E.Zavattini, A.Zenoni, A.Zoccoli, G.Zosi

First Results on Nuclear Physics with Antineutrons by the OBELIX Spectrometer

NUCLEAR REACTIONS C, 27Al, Cu, Sn, Pb, 1H(n-bar, X), E at 100-300 MeV/c; measured annihilation σ vs projectile momentum.

doi: 10.1016/0375-9474(93)90673-L
Citations: PlumX Metrics


1993BA14      Phys.Lett. 305B, 18 (1993)

F.Balestra, Yu.A.Batusov, G.Bendiscioli, S.Bossolasco, M.P.Bussa, L.Busso, S.A.Bunyatov, K.M.Danielsen, I.V.Falomkin, L.Fava, L.Ferrero, V.Filippini, C.Guaraldo, A.Haatuft, A.Halsteinslid, T.Jacobsen, E.Lodi-Rizzini, A.Maggiora, K.Myklebost, F.Nichitiu, J.M.Olsen, D.Panzieri, G.Piragino, G.B.Pontecorvo, A.Rotondi, A.M.Rozhdestvensky, P.Salvini, M.G.Sapozhnikov, F.Tosello, V.I.Tretyak, A.Zenoni, and the PS 179 Collaboration

Antiproton-4He Interactions at 200 MeV/c

NUCLEAR REACTIONS 4He(p-bar, p-bar), E at 192.8 MeV/c; measured σ(θ); deduced annihilation, total, reaction σ. Gauber model, other theoretical fits.

doi: 10.1016/0370-2693(93)91099-9
Citations: PlumX Metrics


1993DA24      Phys.Scr. 48, 653 (1993)

K.M.Danielsen, T.Jacobsen, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.Balestra, G.Bendiscioli, V.Filippini, A.Rotondi, P.Salvini, A.Zenoni, S.Bossolasco, M.P.Bussa, L.Busso, L.Fava, L.Ferrero, A.Grasso, A.Maggiora, D.Panzieri, G.Piragino, F.Tosello, C.Guaraldo, E.Lodi Rizzini, Yu.Batusov, S.A.Bunyatov, I.V.Falomkin, F.Nichitiu, G.B.Pontecorvo, A.M.Rozhdestvensky, M.G.Sapozhnikov, V.I.Tretyak

Observation of Parton Fragmentation in (p-bar) 20Ne Reactions at 607 MeV/c

NUCLEAR REACTIONS 20Ne(p-bar, X), E=607 MeV/c; calculated negative, positive particle production number ratio; deduced parton fragmentation.

doi: 10.1088/0031-8949/48/6/003
Citations: PlumX Metrics


1992AD11      Phys.Lett. 285, 15 (1992)

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, C.Cicalo, M.Corradini, S.Costa, I.D'Antone, S.De Castro, F.D'Isep, I.V.Falomkin, L.Fava, A.Feliciello, L.Ferrero, V.Filippini, D.Galli, R.Garfagnini, U.Gastaldi, P.Gianotti, A.Grasso, C.Guaraldo, F.Iazzi, A.Lanaro, E.Lodi Rizzini, M.Lombardi, V.Lucherini, A.Maggiora, S.Marcello, U.Marconi, G.V.Margagliotti, G.Maron, A.Masoni, I.Massa, B.Minetti, M.Morando, P.Montagna, F.Nichitiu, D.Panzieri, G.Pauli, M.Piccinini, G.Piragino, M.Poli, G.B.Pontecorvo, G.Puddu, R.A.Ricci, E.Rossetto, A.Rotondi, A.M.Rozhdestvensky, P.Salvini, L.Santi, M.G.Sapozhnikov, N.Semprini Cesari, S.Serci, P.Temnikov, S.Tessaro, F.Tosello, V.I.Tretyak, G.L.Usai, L.Vannucci, G.Vedovato, L.Venturelli, M.Villa, A.Vitale, G.Zavattini, A.Zenoni, A.Zoccoli, G.Zosi

Protonium Annihilation in P-Wave using Low-Density (p/p0 ≈ 1013) Hydrogen Targets. Measurements of Cascade Times and Widths

ATOMIC PHYSICS 1H(p-bar, X), E=low; measured annihilation cascade times, widths. Low-density targets, P-wave protonium annihilation.

doi: 10.1016/0370-2693(92)91293-I
Citations: PlumX Metrics


1991AG01      Phys.Lett. 256B, 349 (1991)

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, M.Corradini, S.Costa, S.De Castro, D.D'Isep, I.V.Falomkin, L.Fava, A.Feliciello, L.Ferrero, V.Filippini, R.Garfagnini, U.Gastaldi, P.Gianotti, A.Grasso, C.Guaraldo, F.Iazzi, A.Lanaro, E.Lodi Rizzini, M.Lombardi, M.P.Macciotta, A.Maggiora, S.Marcello, U.Marconi, G.V.Margagliotti, G.Maron, M.Masala, A.Masoni, I.Massa, B.Minetti, M.Morando, M.Morganti, D.Panzieri, G.Pauli, M.Piccinini, R.Piragino, M.Poli, G.B.Pontecorvo, G.Puddu, R.A.Ricci, A.Rotondi, A.M.Rozhdestvensky, P.Salvini, L.Santi, M.G.Sapozhnikov, G.Sartori, N.Semprini-Cesari, S.Serci, F.Tosello, V.I.Tretyak, L.Vannucci, G.Vedovato, L.Venturelli, A.Vitale, A.Zenoni, A.Zoccoli, G.Zosi

Measurement of the (p-bar)p Annihilation Cross-Sections at Very Low Energies

NUCLEAR REACTIONS 1H(p-bar, X), E at 66.4-71.4 MeV/c; measured annihilation σ; deduced charged meson annihilation production branching ratios.

doi: 10.1016/0370-2693(91)91774-P
Citations: PlumX Metrics


1991BA14      Phys.Scr. 43, 9 (1991)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, L.Fava, L.Ferrero, A.Grasso, A.Maggiora, D.Panzieri, G.Piragino, R.Piragino, F.Tosello, G.Bendiscioli, V.Filippini, A.Rotondi, P.Salvini, A.Venaglioni, A.Zenoni, Yu.Batusov, S.A.Bunyatov, I.V.Falomkin, F.Nichitiu, G.B.Pontecorvo, A.M.Rozhdestvensky, M.G.Sapozhnikov, V.I.Tretyak, C.Guaraldo, E.Lodi Rizzini, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.O.Breivik, K.M.Danielsen, T.Jacobsen, S.O.Sorensen

Evidence for Leading Mesons in (p-bar) 4He Reactions at 0.6 GeV (c-1) Incident Momentum

NUCLEAR REACTIONS 4He(p-bar, X), E at 0.6 GeV/c; measured strange particle scatter plots; deduced leading mesons evidence.

doi: 10.1088/0031-8949/43/1/001
Citations: PlumX Metrics


1991BA18      Nucl.Phys. A526, 415 (1991)

F.Balestra, Yu.A.Batusov, G.Bendiscioli, S.Bossolasco, F.O.Breivik, M.P.Bussa, L.Busso, K.M.Danielsen, C.Guaraldo, I.V.Falomkin, L.Fava, L.Ferrero, V.Filippini, A.Haatuft, A.Halsteinslid, T.Jacobsen, E.Lodi Rizzini, A.Maggiora, K.Myklebost, J.M.Olsen, D.Panzieri, G.Piragino, G.B.Pontecorvo, A.Rotondi, A.M.Rozhdestvensky, P.Salvini, M.G.Sapozhnikov, S.O.Sorensen, F.Tosello, V.I.Tretyak, A.Venaglioni, A.Zenoni

Strangeness Production in Antiproton Annihilation at Rest on 3He, 4He and 20Ne

NUCLEAR REACTIONS 3,4He, 20Ne(p-bar, X), E at rest; measured pion momentum spectra, strangeness production, charged particle mean numbers. Gas targets, streamed chamber.

doi: 10.1016/0375-9474(91)90428-9
Citations: PlumX Metrics


1991BA49      Phys.Scr. 44, 323 (1991)

F.Balestra, G.Bendiscioli, V.Filippini, A.Rotondi, P.Salvini, A.Zenoni, S.Bossolasco, M.P.Bussa, L.Busso, L.Fava, L.Ferrero, A.Grasso, A.Maggiora, D.Panzieri, G.Piragino, F.Tosello, C.Guaraldo, E.Lodi Rizzini, Yu.A.Batusov, S.A.Bunyatov, I.V.Falomkin, F.Nichitiu, G.B.Pontecorvo, A.M.Rozhdestvensky, M.G.Sapozhnikov, V.I.Tretyak, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, K.M.Danielsen, T.Jacobsen

Glueball Candidates Seen in the Reactions p-bar 20Ne and p-bar 4He at 607 MeV/c

NUCLEAR REACTIONS 20Ne, 4He(p-bar, X), E at 607 MeV/c; measured multi-pion system invariant mass distributions; deduced possible glueball related resonances.

doi: 10.1088/0031-8949/44/4/003
Citations: PlumX Metrics


1991KH09      Nuovo Cim. 104A, 1509 (1991)

D.E.Kharzeev, M.G.Sapozhnikov

Strange-Particle Production in Antiproton Annihilation on Nuclei at Low Energies

NUCLEAR REACTIONS 1H(K-, X), E at 0.2-1 GeV/c; analyzed σ vs projectile momentum. 2H, 4,3He, 20Ne, 131Xe(p-bar, X), E at 600 MeV/c; analyzed data; deduced strange particle production mechanism. Other reaction analyses included.

doi: 10.1007/BF02817434
Citations: PlumX Metrics


1990BA58      Yad.Fiz. 52, 1222 (1990); Sov.J.Nucl.Phys. 52, 776 (1990)

Yu.A.Batusov, S.A.Bunyatov, G.B.Pontecorvo, A.M.Rozhdestvensky, M.G.Sapozhnikov, V.I.Tretyak, I.V.Falomkin, F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, A.Madzhora, D.Pantsieri, G.Piragino, R.Piraggino, F.Tosello, L.Fava, L.Ferrero, G.Bendiscioli, A.Rotondi, P.Salvini, A.Venaglioni, V.Filippini, A.Zenoni, F.Nichitiu, E.Lodi Rizzini, K.Myklebost, J.M.Olsen, A.Haatuft, A.Halsteinslid, F.O.Breivik, S.O.Sorensen, T.Jacobsen

Elastic Scattering of Antiprotons by 4He at 600 MeV/c

NUCLEAR REACTIONS 4He(p-bar, p-bar), E at 600 MeV/c; measured σ(θ); deduced σ, scattering mechanism. Black disk model.


1990BE35      Nucl.Phys. A518, 683 (1990)

G.Bendiscioli, V.Filippini, A.Rotondi, P.Salvini, A.Venaglioni, S.Bossolasco, M.P.Bussa, L.Busso, L.Fava, L.Ferrero, A.Maggiora, D.Panzieri, G.Piragino, F.Tosello, Yu.A.Batusov, I.V.Falomkin, G.B.Pontecorvo, A.M.Rozhdestvensky, M.G.Sapozhnikov, V.I.Tretyak, C.Guaraldo, E.Lodi Rizzini, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.O.Breivik, T.Jacobsen, S.O.Sorensen, F.Balestra, A.Zenoni

Pionic Annihilation of Antiprotons Stopped on 3He

NUCLEAR REACTIONS 3He(p-bar, X), E at rest; measured charged particle multiplicities, final state branching ratios; deduced final state interaction probabilities, p-bar annihilation mechanism.

doi: 10.1016/0375-9474(90)90185-O
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1989BA10      Nucl.Phys. A491, 541 (1989)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, L.Ferrero, D.Panzieri, G.Piragino, F.Tosello, R.Barbieri, G.Bendiscioli, A.Rotondi, P.Salvini, A.Zenoni, Yu.A.Batusov, I.V.Falomkin, G.B.Pontecorvo, M.G.Sapozhnikov, V.I.Tretyak, C.Guaraldo, A.Maggiora, E.Lodi Rizzini, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.O.Breivik, T.Jacobsen, S.O.Sorensen

Antiproton-Neon Annihilation at Rest and at 607 MeV/c

NUCLEAR REACTIONS Ne(p-bar, X), E=0, 179.6 MeV; measured charged-prong multiplicity distributions, multiplicity, momentum, angular and rapidity distributions for π- and nuclear fragments.

doi: 10.1016/0375-9474(89)90517-4
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1989BA11      Nucl.Phys. A491, 572 (1989)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, L.Ferrero, D.Panzieri, G.Piragino, F.Tosello, R.Barbieri, G.Bendiscioli, A.Rotondi, P.Salvini, A.Venaglioni, A.Zenoni, Yu.A.Batusov, I.V.Falomkin, G.B.Pontecorvo, A.M.Rozhdestvensky, M.G.Sapozhnikov, V.I.Tretyak, C.Guaraldo, A.Maggiora, E.Lodi Rizzini, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.O.Breivik, T.Jacobsen, S.O.Sorensen

Evidence of Isospin Effects in Antiproton-Nucleus Annihilation

NUCLEAR REACTIONS 3He(p-bar, X), E at rest; measured annihilation σ((p-bar)n)/σ((p-bar)p) ratio for bound nucleons.

doi: 10.1016/0375-9474(89)90518-6
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1989BA59      Phys.Lett. 230B, 36 (1989)

F.Balestra, R.Barbieri, Yu.A.Batusov, G.Bendiscioli, S.Bossolasco, F.O.Breivik, M.P.Bussa, L.Busso, C.Guaraldo, I.V.Falomkin, L.Ferrero, V.Filippini, A.Haatuft, A.Halsteinslid, T.Jacobsen, E.Lodi Rizzini, A.Maggiora, M.Masala, K.Myklebost, J.M.Olsen, D.Panzieri, G.Piragino, G.B.Pontecorvo, A.Rotondi, A.M.Rozhdestvensky, P.Salvini, M.G.Sapozhnikov, S.O.Sorensen, F.Tosello, V.I.Tretyak, A.Zenoni

Antiproton-Helium Annihilation Around 45 MeV/c

NUCLEAR REACTIONS 4He(p-bar, X), E at 45 MeV/c; measured p-bar annihilation σ.

doi: 10.1016/0370-2693(89)91649-3
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1989BA91      Phys.Lett. 217B, 43 (1989)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, L.Ferrero, D.Panzieri, G.Piragino, F.Tosello, R.Barbieri, G.Bendiscioli, A.Rotondi, P.Salvini, A.Zenoni, Yu.A.Batusov, I.V.Falomkin, G.B.Pontecorvo, M.G.Sapozhnikov, V.I.Tretyak, C.Guaraldo, A.Maggiora, E.Lodi-Rizzini, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.O.Breivik, T.Jacobsen, S.O.Sorensen, and the Bergen-Brescia-Dubna-Frascati-Oslo-Pavia-Torino Collaboration

An Observation of a Leading Meson in (p-bar) + Ne Reaction at 607 MeV/c Incident Momentum

NUCLEAR REACTIONS Ne(p-bar, X), E at 607 MeV/c; calculated Λ0, K(S)0 production associated rapidity, other features; deduced leading meson role. Quark model, beam fragmentation.

doi: 10.1016/0370-2693(89)91513-X
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1988BA62      Nuovo Cim. 100A, 323 (1988)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, L.Fava, L.Ferrero, D.Panzieri, G.Piragino, F.Tosello, R.Barbieri, G.Bendiscioli, R.Rotondi, P.Salvini, A.Zenoni, Yu.A.Batusov, I.V.Falomkin, F.Nichitiu, G.B.Pontecorvo, M.G.Sapozhnikov, V.I.Tretyak, C.Guaraldo, A.Maggiora, E.Lodi Rizzini, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.O.Breivik, T.Jacobsen, S.O.Sorensen

Light Nucleus Production in p-bar4He Annihilation between 0 and 600 MeV/c

NUCLEAR REACTIONS 4He(p-bar, t), E < 600 MeV/c; measured triton production rate.

doi: 10.1007/BF02812962
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1988BA68      Phys.Lett. 215B, 247 (1988)

F.Balestra, R.Barbieri, Yu.A.Batusov, G.Bendiscioli, F.O.Breivik, S.Bossolasco, M.P.Bussa, L.Busso, I.V.Falomkin, L.Ferrero, A.Grasso, C.Guaraldo, A.Haatuft, A.Halsteinslid, T.Jacobsen, E.Lodi Rizzini, A.Maggiora, K.Myklebost, J.M.Olsen, D.Panzieri, G.Piragino, G.B.Pontecorvo, A.Rotondi, P.Salvini, M.G.Sapozhnikov, S.O.Sorensen, F.Tosello, V.I.Tretyak, A.Venaglioni, A.Zenoni

(p-bar)-3He Reaction Cross Section at 200 MeV/c

NUCLEAR REACTIONS 3He(p-bar, X), E=200 MeV/c; measured reaction σ.

doi: 10.1016/0370-2693(88)91428-1
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1987BA47      Phys.Lett. 194B, 343 (1987)

F.Balestra, R.Barbieri, Yu.A.Batusov, G.Bendiscioli, S.Bossolasco, M.P.Bussa, L.Busso, I.V.Falomkin, L.Ferrero, C.Guaraldo, L.A.Kondratyuk, E.Lodi Rizzini, A.Maggiora, F.Nichitiu, D.Panzieri, G.Piragino, G.B.Pontecorvo, A.Rotondi, P.Salvini, M.G.Sapozhnikov, F.Tosello, A.Zenoni

p(bar)-4He Break-Up Cross Section at 180 MeV

NUCLEAR REACTIONS 4He(p-bar, X), E=180 MeV; measured break-up σ. 12C, 20Ne, 27Al, 40Ca(p-bar, X), E at 600 MeV/c; analyzed breakup, reaction σ data; deduced model parameters. Glauber model calculations.

doi: 10.1016/0370-2693(87)91062-8
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1987BA69      Nucl.Phys. A474, 651 (1987)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, L.Fava, L.Ferrero, D.Panzieri, G.Piragino, F.Tosello, G.Bendiscioli, R.Rotondi, P.Salvini, A.Zenoni, Yu.A.Batusov, S.A.Bunyatov, I.V.Falomkin, F.Nichitiu, G.B.Pontecorvo, M.G.Sapozhnikov, V.I.Tretyak, C.Guaraldo, A.Maggiora, E.Lodi Rizzini, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.O.Breivik, T.Jacobsen, S.O.Sorensen

Annihilation of Antiprotons at Rest in 3He and 4He

NUCLEAR REACTIONS 3,4He(p-bar, π-), E at rest; measured annihilation pion production, charged particle multiplicities. 3,4He deduced annihilation probability differences on n, p, final state shadow effects role.

doi: 10.1016/0375-9474(87)90599-9
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1987BA88      Phys.Lett. 194B, 192 (1987)

F.Balestra, M.P.Bussa, L.Busso, L.Fava, L.Ferrero, D.Panzieri, G.Piragino, F.Tosello, G.Bendiscioli, A.Rotondi, P.Salvini, A.Zenoni, Yu.A.Batusov, I.V.Falomkin, G.B.Pontecorvo, M.G.Sapozhnikov, V.I.Tretyak, C.Guaraldo, A.Maggiora, E.Lodi-Rizzini, A.Haatuft, A.Halsteinslid, K.Myklebost, J.M.Olsen, F.O.Breivik, T.Jacobsen, S.O.Sorensen, and the Bergen-Brescia-Dubna-Frascati-Oslo-Pavia-Torino Collaboration

Neutral Strange-Particle Production in (p-bar) 20Ne Reactions at 607 MeV/c

NUCLEAR REACTIONS 20Ne(p-bar, X), E at 607 MeV/c; measured Λ0, K(s)0 production σ, ratio; deduced emission mechanism.

doi: 10.1016/0370-2693(87)90526-0
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1986BA22      Nucl.Phys. A452, 573 (1986)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, L.Ferrero, A.Grasso, D.Panzieri, G.Piragino, T.Tosello, G.Bendiscioli, V.Filippini, G.Fumagalli, C.Marciano, A.Rotondi, A.Zenoni, C.Guaraldo, A.Maggiora, Yu.A.Batusov, S.A.Bunyatov, I.V.Falomkin, G.B.Pontecorvo, M.G.Sapozhnikov, M.Vascon, G.Zanella, E.Lodi Rizzini

Low-Energy Antiproton-Neon Interaction

NUCLEAR REACTIONS Ne(p-bar, X), E=19.6, 48.7, 179.6 MeV; measured nonelastic, reaction σ, charged-prong multiplicity distributions, lower limits for π-, K0(s) production; deduced σ(p-bar, n)/σ(p-bar, p) ratio. Natural target.

doi: 10.1016/0375-9474(86)90215-0
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1986KH02      Czech.J.Phys. B36, 248 (1986)

M.Kh.Khankhasayev, F.Nichitiu, M.G.Sapozhnikov

Test for Charge Symmetry Breaking in Elastic Scattering of π(±)-Mesons by 4He

NUCLEAR REACTIONS 4He(π+, π+), (π-, π-), E=24, 51, 75 MeV; analyzed asymmetry parameter A(θ); deduced no charge symmetry breaking evidence.

doi: 10.1007/BF01597155
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1986KH06      Phys.Lett. 175B, 261 (1986)

M.Kh.Khankhasayev, F.Nichitiu, M.G.Sapozhnikov

Charge-Symmetry-Breaking Effects from Phase-Shift Analysis of Elastic π(±)4He Scattering

NUCLEAR REACTIONS 4He(π+, π+), (π-, π-), E=20-160 MeV; analyzed phase shifts, asymmetry data. 4He deduced no charge symmetry breaking evidence.

doi: 10.1016/0370-2693(86)90852-X
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1985BA76      Phys.Lett. 165B, 265 (1985)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Ferrero, D.Panzieri, G.Piragino, F.Tosello, C.Guaraldo, A.Maggiora, Yu.A.Batusov, I.V.Falomkin, G.B.Pontecorvo, M.G.Sapozhnikov, G.Bendiscioli, V.Filippini, G.Fumagalli, C.Marciano, A.Rotondi, A.Zenoni, E.Lodi Rizzini, M.Vascon, G.Zanella

Inelastic Interaction of Antiprotons with 4He Nuclei between 200 and 600 MeV/c

NUCLEAR REACTIONS 4He(p-bar, X), E=19.6, 48.7 MeV; measured reaction σ; deduced pion multiplicity, 3He production σ.

doi: 10.1016/0370-2693(85)91227-4
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1984BA60      Phys.Lett. 149B, 69 (1984)

F.Balestra, Yu.A.Batusov, G.Bendiscioli, M.P.Bussa, L.Busso, I.V.Falomkin, L.Ferrero, V.Filippini, G.Fumagalli, G.Gervino, C.Guaraldo, E.Lodi Rizzini, A.Maggiora, D.Panzieri, G.Piragino, G.B.Pontecorvo, A.Rotondi, M.G.Sapozhnikov, F.Tosello, M.Vascon, A.Venaglioni, G.Zanella, A.Zenoni

(p-bar)4He Reaction Cross Section at 610 MeV/c

NUCLEAR REACTIONS 4He(p-bar, X), E=179.6 MeV; measured reaction σ, inelastic event σ, multiplicity.

doi: 10.1016/0370-2693(84)91553-3
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1984FA14      Nuovo Cim. 79A, 193 (1984)

I.V.Falomkin, G.B.Pontecorvo, M.G.Sapozhnikov, M.Yu.Khlopov, F.Balestra, G.Piragino

Low-Energy (p-bar)4He Annihilation and Problems of the Modern Cosmology, GUT and SUSY Models

doi: 10.1007/BF02831163
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1984GM01      Yad.Fiz. 40, 107 (1984)

M.Gmitro, S.S.Kamalov, R.Mach, M.G.Sapozhnikov

Off-Shell Effects in Pion-Nucleus Elastic Scattering

NUCLEAR REACTIONS 3He(π-, π-), E=145, 98, 68 MeV; 4He(π-, π-), E=51, 110, 180 MeV; 12C(π+, π+), E=87.5, 162, 226 MeV; 16O(π+, π+), E=114, 163, 240 MeV; 24Mg(π+, π+), E=180 MeV; measured σ(θ); deduced reaction mechanism.


1984MA04      J.Phys.(London) G10, 147 (1984)

R.Mach, M.G.Sapozhnikov

Investigation of Second-Order Optical Potential for Elastic π - 4He Scattering

NUCLEAR REACTIONS 4He(π-, π-), E=24, 51, 98, 145, 220 MeV; calculated σ(θ); deduced intermediate pion double isospin, spin-flip, recoil correlation effects. Second-order optical potential.

doi: 10.1088/0305-4616/10/2/007
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1983BA67      Nuovo Cim. 78A, 331 (1983)

F.Balestra, S.Bossolasco, M.P.Bussa, L.Busso, P.Davolio, L.Ferrero, R.Garfagnini, G.Gervino, A.Maggiora, D.Panzieri, G.Piragino, F.Tosello, I.V.Falomkin, V.I.Lyashenko, F.Nichitiu, V.A.Panyushkin, G.B.Pontecorvo, M.G.Sapozhnikov, Yu.A.Shcherbakov

Study of the (πp3H), (π2p2n) and (3pn) Reactions Induced by Pions on 4He at 156 MeV

NUCLEAR REACTIONS 4He(π+, pπ+), (π-, pπ-), (π+, 2pπ+), (π-, 2pπ-), (π+, 3pn), E=156 MeV; measured total σ, σ(θ); deduced reaction mechanism, isobar role. Helium-filled streamer chamber.


1983NI06      Yad.Fiz. 37, 1209 (1983)

F.Nichitiu, M.G.Sapozhnikov

Interpretation of the Phase-Shift Analysis for the Elastic π4He Scattering

NUCLEAR REACTIONS 4He(π, π), E=0-300 MeV; analyzed phase shifts data. 4He(π-, π-), E=51 MeV; analyzed σ(θ). Optical model, dispersion relations.


1982MA26      J.Phys.(London) G8, L117 (1982)

R.Mach, M.G.Sapozhnikov

Nuclear Structure Sensitivity in the Reaction 3He(π-, π0)3H

NUCLEAR REACTIONS 3He(π-, π0), E=200, 250, 290 MeV; calculated σ(θ); deduced 3He magnetic radius dependence.

doi: 10.1088/0305-4616/8/8/002
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1982NI02      Nuovo Cim. 67A, 1 (1982)

F.Nichitiu, I.V.Falomkin, M.G.Sapozhnikov, Yu.A.Shcherbakov, G.Piragino

Energy-Dependent Phase-Shift Analysis of π4He Elastic Scattering and the Existence of π4He Excited States

NUCLEAR REACTIONS 4He(π-, π-), E=24-260 MeV; calculated σ(total), σ(elastic), σ(θ) vs E; deduced pion-nucleus system resonances. Phase shift analysis.

doi: 10.1007/BF02902427
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1981NI05      Yad.Fiz. 33, 329 (1981)

F.Nichitiu, M.G.Sapozhnikov, I.V.Falomkin, Yu.A.Shcherbakov

Determination of the 3He and 4He Matter Radius from the Pion Elastic Scattering Data

NUCLEAR REACTIONS 3,4He(π+, π+), (π-, π-), E=68-208 MeV; analyzed data. 3,4He deduced radii.


1980BE55      Yad.Fiz. 32, 1276 (1980)

V.B.Belyaev, E.Wrzecionko, M.G.Sapozhnikov

Application of Approximate Four-Body Equations to the Description of Elastic Scattering and Charge Exchange of π± Mesons on 3He

NUCLEAR REACTIONS 3He(π+, π+), E=132, 145 MeV; 3He(π-, π-), E=208 MeV; 3He(π-, π0), E=132 MeV; analyzed σ(θ). Four-body formalism, pion rescattering.


1980FA12      Nuovo Cim. A57, 111 (1980)

I.V.Falomkin, V.I.Lyashenko, R.Mach, V.A.Panyushkin, G.B.Pontecorvo, M.G.Sapozhnikov, Yu.A.Shcherbakov, F.Balestra, M.P.Bussa, L.Busso, R.Garfagnini, T.Angelescu, I.Doniciu, M.Gavrilas, A.Mihul, F.Nichitiu, L.Pascu, M.Antonova

On the Relationship between the Pion and Electron Elastic Scattering by the Three-Nucleon System

NUCLEAR REACTIONS 3He(π-, π-), E=145, 180, 195 MeV; measured σ(θ). 3He deduced nuclear form factors, magnetic radius. Optical potential, meson exchange effects.

doi: 10.1007/BF02832951
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1978FA06      Nuovo Cim. 43A, 219 (1978)

I.V.Falomkin, V.I.Lyashenko, G.B.Pontecorvo, M.G.Sapozhnikov, Y.A.Shcherbakov, F.Balestra, R.Garfagnini, G.Piragino, T.Angelescu, A.Mihul, F.Nichitiu

New Data on the π+-Meson Scattering on 3He and 4He

NUCLEAR REACTIONS 3He(π-, π-), E=68 MeV; 4He(π+, π+), E=120 MeV; 4He(π-, π-), E=174 MeV; measured σ(θ).

doi: 10.1007/BF02734197
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1978FA07      Nuovo Cim. 43A, 604 (1978)

I.V.Falomkin, F.Nichitiu, M.G.Sapozhnikov, Y.A.Shcherbakov, F.Balestra, E.Bollini

Phase-Shift Analysis in Pion-4He Elastic Scattering

NUCLEAR REACTIONS 4He(π-, π-), (π+, π+), E=60-260 MeV; calculated σ(θ), phase shift. Phase shift analysis.

doi: 10.1007/BF02730346
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1978MA49      Nuovo Cim. 45A, 325 (1978)

R.Mach, M.G.Sapozhnikov, C.Guaraldo, R.Scrimaglio, F.Balestra, R.Garfagnini, G.Piragino

Pion-Induced Knock-Out Reactions on 4He

NUCLEAR REACTIONS 4He(π+, π+p), 4He(π+, π+n), 4He(π+, π0p), E=110-160 MeV; measured σ(θ), relative σ(θ); deduced reaction mechanism.

doi: 10.1007/BF02730074
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1976SH23      Nuovo Cim. 31A, 249 (1976)

Y.A.Shcherbakov, T.Angelescu, I.V.Falomkin, M.M.Kulyukin, V.I.Lyashenko, R.Mach, A.Mihul, N.M.Kao, F.Nichitiu, G.B.Pontecorvo, V.K.Sarychieva, M.G.Sapozhnikov, M.Semerdjieva, T.M.Troshev, N.I.Trosheva, F.Balestra, L.Busso, R.Garfagnini, G.Piragino

Elastic Scattering of π±-Mesons on 4He in the Energy Interval (68-208) MeV

NUCLEAR REACTIONS 4He(π+, π+), (π-, π-), E=68-208 MeV; measured σ(E).

doi: 10.1007/BF02729730
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