Date

MEASUREMENT OF THE DIFFERENTIAL CROSS-SECTIONS FOR THE PI+ D ---> P P REACTION AT PION ENERGIES OF 280-MEV, 300-MEV, 330-MEV, 357-MEV, 390-MEV, 420-MEV AND 450-MEV

Borkovsky, M.Ya. ; Gaditsky, V.G. ; Gavrilov, G.E. ; et al.
J.Phys.G 11 (1985) 69-83, 1985.
Inspire Record 215606 DOI 10.17182/hepdata.38587

Differential cross sections for the process pi +d to pp at seven energies in the region Tpi =280-450 MeV and in the angular range theta * approximately=4-90 degrees have been measured on the LNPI synchrocyclotron. The results include 94 new data points. The measurements have been carried out using a ten-channel hodoscope set-up. Statistical errors are between 2.5% and 7.8% depending on the scattering angle and Tpi . The data obtained indicate that there is an essential contribution from the partial wave with orbital angular momentum l=3 over the whole energy range considered. The authors also observe a noticeable contribution from the l=4 partial wave to the differential cross sections of the pi +d to pp reaction from Tpi >or=357 MeV. The total cross sections for the process pi +d to pp are also presented.

9 data tables

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MEASUREMENT OF COUPLING CONSTANT GAMMA ---> 3 PI IN THE PROCESS OF PION PAIR PRODUCTION BY PIONS IN NUCLEAR COULOMB FIELD. (IN RUSSIAN)

Antipov, Yu.M. ; Batarin, V.A. ; Bessubov, V.A. ; et al.
Dubna Jinr - N11-85 (85,REC.OCT.) 11-19, 1985.
Inspire Record 221558 DOI 10.17182/hepdata.38294

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4 data tables

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RESTRICTIONS ON TRANSVERSE MOMENTUM OF PARTON IN NUCLEON FROM THE DATA ON CHARGED CURRENT ANTI-MUON-NEUTRINO N INTERACTIONS

Ammosov, V.V. ; Asratian, A.E. ; Burtovoy, V.S. ; et al.
Yad.Fiz. 42 (1985) 664-666, 1985.
Inspire Record 221956 DOI 10.17182/hepdata.75409

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1 data table

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DIFFERENTIAL CROSS-SECTIONS FOR pi PRODUCTION AT THETA (pi) = 60-degrees in 1-GeV PROTON INTERACTION WITH NUCLEI

Abaev, V.V. ; Gridnev, A.B. ; Koptev, V.P. ; et al.
LENINGRAD-84-1009, 1984.
Inspire Record 210113 DOI 10.17182/hepdata.9418

None

4 data tables

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MEASUREMENT OF THE POLARIZATION OF CUMULATIVE PROTONS IN gamma A ---> p X REACTION

Avakian, R.O. ; Avakian, E.O. ; Avetisian, A.E. ; et al.
Yad.Fiz. 42 (1985) 667-670, 1985.
Inspire Record 210380 DOI 10.17182/hepdata.17606

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1 data table

Axis error includes +- 7/7 contribution.


Observation of Emc Effect in Anti-neutrino Ne Interactions

Ammosov, V.V. ; Gapienko, V.A. ; Gapienko, G.S. ; et al.
JETP Lett. 39 (1984) 393, 1984.
Inspire Record 206826 DOI 10.17182/hepdata.16937

None

1 data table

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INVESTIGATION OF THE REACTION ANTI-NEUTRINO N ---> MU+ RHO- N AT HIGH-ENERGIES. (IN RUSSIAN)

Ammosov, V.V. ; Gapienko, V.A. ; Gapienko, G.S. ; et al.
Sov.J.Nucl.Phys. 42 (1985) 236, 1985.
Inspire Record 206937 DOI 10.17182/hepdata.40974

None

2 data tables

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Study of Quark Fragmentation at 29-GeV: Global Jet Parameters and Single Particle Distributions

Bender, D. ; Derrick, M. ; Fernandez, E. ; et al.
Phys.Rev.D 31 (1985) 1, 1985.
Inspire Record 201482 DOI 10.17182/hepdata.23581

In this paper, results are presented from a study of the hadronic final states in e+e− annihilation at 29 GeV. The data were obtained with the High Resolution Spectrometer (HRS) at the SLAC PEP e+e− colliding-beam facility. The results are based on 6342 selected events corresponding to an integrated luminosity of 19.6 pb−1. The distributions of the events in sphericity (S), thrust (T), and aplanarity (A) are given and compared to other e+e− data in the same energy range. We measure 〈S〉=0.130±0.003±0.010 and 〈1-T〉=0.100±0.002. The sphericity distribution is compared to sphericity measurements made for beam jets in hadronic collisions as well as jets studied in neutrino scattering. The data sample is further reduced to 4371 events with the two-jet selections, S≤0.25 and A≤0.1. The single-particle distributions in the longitudinal and transverse directions are given. For low values of the momentum fraction (z=2p/W), the invariant distribution shows a maximum at z∼0.06, consistent with a QCD expectation. The data at high Feynman x (xF) show distribution consistent with being dominated by a (1-xf)2 variation for the leading quark-meson transition. The rapidity distribution shows a shallow central minimum with a height (1/NevdNh/dY‖Y=0=2.3±0.02±0.07. The mean charged multiplicity is measured to be 〈nch〉=13.1±0.05±0.6. The mean transverse momentum relative to the thrust axis 〈pT〉 rises as a function of z to a value of 0.70±0.02 GeV/c for z≳0.3. The distributions are compared to those measured in other reactions.

25 data tables

New values supplied 6.7.87 by M.Derrick.

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New values supplied 6.7.87 by M. Derrick.

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