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Measurement of the production cross-section of positive pions in p-Al collisions at 12.9 GeV/c / HARP Collaboration
A precision measurement of the double-differential production cross-section, ${{d^2 \sigma^{\pi^+}}}/{{d p d\Omega}}$, for pions of positive charge, performed in the HARP experiment is presented. The incident particles are protons of 12.9 GeV/c momentum impinging on an aluminium target of 5% nuclear interaction length. [...]
hep-ex/0510039; IFIC-05-53; IFIC-2005-53.- València : IFIC, Centre Mixt Univ. València and CSIC, 2006 - 45 p. - Published in : Nucl. Phys. B 732 (2006) 1-45 Access to fulltext document: PDF; Fulltext: PDF; External link: DURHAM

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Study of the leading proton spectra in experiments on 68-GeV/c proton scattering on protons and C, Al, Cu, Sn, Pb nuclei / Ableev, V G ; Bodyagin, V A ; Demyanov, A I ; Filipkovskii, A ; Murzin, V S ; Nomofilov, A A ; Piskunov, N M ; Sarycheva, L I ; Sharov, V I ; Sinev, N B et al.
Making use of the JINR synchrophasotron and applying the magnetic spectrometer with multiwire proportional chambers, data have been obtained on the absolute values of the differential cross sections d /sup 2/ sigma /d Omega dp of the yield of leading protons in the reactions p+A to p+X on protons and other nuclei at the initial proton momentum p/sub 0/=6.8 GeV/c at scattering angles 16<or= theta <or=40 mr and momenta 0.6<or=p/p/sub 0/<or=0.95. For the nuclei C, Al, Cu, Sn and Pb the A dependence (A is the atomic number of the nuclear target) was presented in the form d/sup 2/ sigma /d Omega dp=nA/sup alpha /. [...]
1980 - Published in : Yad. Fiz.: 32 (1980) , no. 5, pp. 1351-6

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Study of anti-n p --> phi pi+ and anti-n p --> omega pi+ annihilation reactions in flight / OBELIX Collaboration
The results of a study of the annihilation reactions nbarp -> phi pi sup + and nbarp -> omega pi sup + are reported; the data were collected by the OBELIX apparatus, with antineutrons annihilating in flight (momenta from approx 50 MeV/c to 405 MeV/c). Annihilation frequencies and annihilation cross sections have been deduced, for both channels, as a function of antineutron momentum. [...]
1999 - Published in : Nucl. Phys. A 655 (1999) 453-494

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Single and multinucleon antiproton-$^{4}$He annihilation at rest / Montagna, P ; Bendiscioli, G ; Filippini, V ; Fontana, A ; Rotondi, A ; Salvini, P ; Panzarasa, A ; Bargiotti, M ; Bertin, A ; Bruschi, M et al.
The p annihilation at rest in a NTP /sup 4/He-gas target has been studied by means of the Obelix spectrometer installed at the LEAR accelerator of CERN. Reactions with production of 2 pi /sup -/2 pi /sup +/, 2 pi /sup -/3 pi /sup +/, 2 pi /sup -/2 pi /sup +/p, 2 pi /sup -/ pi /sup +/2p, 2 pi /sup -/3p (with p pi >80 MeV/c and p/sub p />300 MeV/c) have been selected and single- and multinucleon annihilations identified. [...]
2002 - Published in : Nucl. Phys. A 700 (2002) 159-92

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Measurement of the $pd \to \phi n$ Pontecorvo reaction for antiproton annihilation at rest / OBELIX Collaboration
The results of an investigation of the Pontecorvo reaction pd to phi n with stopped antiprotons in a gaseous deuterium target at NTP are presented. A very selective dedicated trigger was used to collect a sample of about 8.5*10/sup 6/ annihilations. [...]
2002 - Published in : Phys. Lett. B 528 (2002) 34-42

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Measurements of cascade times of antiprotons in molecular hydrogen and helium / OBELIX Collaboration
The OBELIX experiment at CERN collected samples of antiproton annihilations at rest in different gaseous targets, such as hydrogen, deuterium and helium. We analyze a set of the Obelix data using a new technique for measuring, for the first time, the cascade times independent of the capture energy and of the antiproton stopping power. [...]
Geneva : CERN, 2000 - Published in : Phys. Lett. B 487 (2000) 224-8

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Proposal to study helium-induced hadron production for the atmospheric neutrino flux : addendum to the HARP proposal / Catanesi, M G ; Muciaccia, M T ; Radicioni, E ; Righini, P ; Simone, S ; Boyko, I ; Bunyatov, S A ; Chelkov, G A ; Chukanov, A ; Dedovitch, D et al.
CERN-SPSC-2001-016 ; SPSC-P-315-Add-1. - 2001. - 11 p.
Full text - Fulltext - CERN library copies

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Study of $\eta$ and $\eta'$ Production in $\overline{n}p$ Annihilations / OBELIX Collaboration
The annihilation fractions and cross sections for the np annihilation reaction in flight (~50-400 MeV/c) into eta pi /sup +/ and eta ' pi /sup +/ final states have been measured. The first ones follow the trend expected for P wave annihilations. [...]
Geneva : CERN, 1999 - Published in : Phys. Lett. B 471 (1999) 263-70

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Light-Baryon Production in Binary $pd$ Annihilation Reactions at Rest / OBELIX Collaboration
We report the study of light baryon production in two-prong annihilation reactions due to antiprotons stopping in gaseous deuterium and detected by the OBELIX spectrometer (LEAR, CERN). A clear signal of the Delta (1232) production in binary reactions was found in both annihilation channels: pd to pi /sup -/ Delta /sup +/( Delta /sup +/ to pi /sup 0/p) and pd to pi /sup 0/ Delta /sup 0/( Delta /sup 0/ to pi /sup -/p). [...]
1999 - Published in : Phys. Lett. B 460 (1999) 248-55

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Study of $\phi$ and $f_{2}'(1525)$ meson production in pp annihilation at rest / OBELIX Collaboration
1998 - Published in : Phys. Lett. B 438 (1998) 430-40

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Vedi anche: autori con nomi simili
48	Ableev, V G
1	Ableev, V.
1	Ableev, V.G.

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