Date

SMALL /t/ pi- p CHARGE EXCHANGE SCATTERING AT 40-GeV/c

The Serpukhov-Brussels-Annecy(LAPP) collaboration Binon, F.G. ; Davydov, V.A. ; Donskov, S.V. ; et al.
Z.Phys.C 9 (1981) 109, 1981.
Inspire Record 164809 DOI 10.17182/hepdata.13526

π−p→π0n differential cross-sections have been measured in the region of small 4-momentum transfer at 40 GeV/c incident momentum. The experiment performed at the IHEP 70 GeV accelerator makes use of a hodoscope γ-spectrometer. Thet- dependence of the cross-section points to a dominance of the spin-flip amplitude.

1 data table

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MEASUREMENTS OF LAMBDA0 POLARIZATION PRODUCED BY 40-GeV NEUTRONS ON CARBON NUCLEI IN INCLUSIVE PROCESSES

The Dubna-Berlin-Moscow-Prague-Sofiya-Tbilisi collaboration Aleev, A.N. ; Arefev, V.A. ; Balandin, V.P. ; et al.
JINR-P1-81-165, 1981.
Inspire Record 165431 DOI 10.17182/hepdata.39207

None

1 data table

No description provided.


Analysis of the Reaction $\pi^- P \to \pi^0 \eta N$ at 40-{GeV}/c Beam Momentum

Apel, W.D. ; Augenstein, K.H. ; Bertolucci, E. ; et al.
Nucl.Phys.B 193 (1981) 269-286, 1981.
Inspire Record 173075 DOI 10.17182/hepdata.34254

The reaction π − p→ π 0 ηn ↳2y ↳2y has been analyzed using data of an experimental performed at the 70 GeV accelerator, with the NICE 648 channel hodoscope spectrometer for γ ray detection. Events with 4 γ seen are used for the analysis. A method is applied, which allows the determination of the number of π 0 η events for each mass, cos θ GJ and t bin. Mass spectra, t distributions and decay angular distributions for the π 0 η system are presented. The cross section for the production of A 2 0 is found to be 2.7 ± 1.1 μ b at 40 GeV/ c beam momentum. No indication of a resonant 1 − state in the π 0 η system is observed, in spite of the fact that this state is allowed for the π 0 η system on the same footing as the observed 0 + and 2 + resonances.

1 data table

ERROR INCLUDES UNCERTAINTIES IN SEVERAL CORRECTIONS AND IN BACKGROUND SUBTRACTION.


ANALYSIS OF THE REACTION He-3 p ---> p p d AT 5-GeV/c He-3 NUCLEUS MOMENTUM

Blinov, A.V. ; Chuvilo, I.V. ; Ergakov, V.A. ; et al.
1981.
Inspire Record 169669 DOI 10.17182/hepdata.40248
10 data tables

DATA WITHOUT MOMENTUM REJECTION.

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STUDY OF ASSOCIATED PRODUCTION OF DELTA++ AND DELTA0 ISOBARS IN P P ---> P P PI+ PI- REACTION AT THE MOMENTUM OF 4-GEV/. (IN RUSSIAN)

Beketov, G.V. ; Vanyushin, I.A. ; Ergakov, V.A. ; et al.
Yad.Fiz. 33 (1981) 1036-1045, 1981.
Inspire Record 170099 DOI 10.17182/hepdata.17864

None

34 data tables

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PHOTOPRODUCTION OF RHO0 MESONS IN H AND BE. (IN RUSSIAN)

Aleksandrov, Yu.A. ; Baranov, S.S. ; Belousov, A.S. ; et al.
Yad.Fiz. 33 (1981) 1023-1026, 1981.
Inspire Record 170092 DOI 10.17182/hepdata.18805

None

4 data tables

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DIFFRACTIVE DISSOCIATION OF INCIDENT PROTONS IN THE REACTION p p ---> p pi+ pi- p AT 50-GeV/c MOMENTUM

Baloshin, O.N. ; Bolonkin, B.V. ; Barkov, B.P. ; et al.
ITEP-39-1981, 1981.
Inspire Record 165269 DOI 10.17182/hepdata.10018

None

28 data tables

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$\pi^- p$ Scattering With Charge Exchange in the Region of Small T at 40-{GeV}/$c$ Momentum

The Serpukhov-Brussels-Annecy(LAPP) & Serpukhov-CERN collaborations Binon, F.G. ; Gouanere, M. ; Davydov, V.A. ; et al.
Sov.J.Nucl.Phys. 33 (1981) 663, 1981.
Inspire Record 156874 DOI 10.17182/hepdata.41613

None

2 data tables

D(SIG)/D(T) AT T=0. OBTAINED FROM MODEL EXTRAPOLATION.


Charge Exchange $K^- p$ Scattering in the Range of Small T at 30-{GeV}/$c$ Momentum

The Serpukhov-Brussels-Annecy(LAPP) & Serpukhov-CERN collaborations Binon, F.G. ; Gouanere, M. ; Davydov, V.A. ; et al.
Sov.J.Nucl.Phys. 33 (1981) 542, 1981.
Inspire Record 156875 DOI 10.17182/hepdata.41422

None

3 data tables

D(SIG)/D(T) AT T=0. OBTAINED FROM MODEL EXTRAPOLATION OF PRESENTED T DEPENDENCE OF D(SIG)/D(T).


POLARIZATION OF RECOIL PROTONS FROM THE REACTION GAMMA P ---> PI0 P IN THE PHOTON ENERGY RANGE 450-MEV - 800-MEV

Bratashevsky, A.S. ; Gorbenko, V.G. ; Derebchinsky, A.I. ; et al.
Nucl.Phys.B 166 (1980) 525-533, 1980.
Inspire Record 157933 DOI 10.17182/hepdata.34552

Measurement of secondary-proton polarization from the reaction γ p → π 0 p have been performed in the proton energy range 500–800 MeV at c.m. pion emission angles 100°, 120°, 140°. The experiment was carried out using an optical spark chamber telescope at the output of the magnetic spectrometer. The obtained experimental data are included in a Walker-type analysis in order to verify the parameters of the resonances P 11 (1470), D 13 (1570) and S 11 (1535). Proton polarization in the reaction γ p → π 0 p was measured for a photon energy of 450 MeV at a c.m. pion emission angle of 105° using photons linearly polarized at 45° to the reaction plane. A liquid hydrogen target in the field of a superconducting magnet was used for the separation of the P x ′ and P z ′ components of the secondary-proton polarization vector.

4 data tables

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