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The differential cross sections d sigma /dt of the reactions 3H+p to 3He+n and 3H+p to 3H+p at a triton momentum of 2.5 GeV/c (equivalent to a proton kinetic energy Tp=318 MeV) have been measured. The ITEP 80 cm hydrogen bubble chamber was exposed to a 2.5 GeV/c separated triton beam. 2350 events of the reaction 3H(p,n)3He and 2574 events of the reaction 3H(p,p)3H were selected and analysed. Calculations performed in the framework of the multiple scattering theory taking the spin-isospin structure of the NN amplitude into account fit the data very well and show the high sensitivity of the charge-exchange cross section to the double spin-flip NN amplitudes.

2 data tables

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INVESTIGATION ON THE REACTION t p ---> p d n AT 2.5-GeV/c TRITON MOMENTUM

Chuvilo, I.V. ; Ergakov, V.A. ; Grechko, V.E. ; et al.

Phys.Lett.B 91 (1980) 349-352, 1980.

Inspire Record 154345 DOI 10.17182/hepdata.40230

The reaction of tp → pdn in 4π geometry was investigated by exposition of an 80 cm liquid hydrogen bubble chamber to a t-nucleus beam of 2.5 GeV/ c momentum. The main characteristics of the reaction are described reasonably well by the pole approximation in the absolute normalization and without free parameters.

7 data tables

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STUDY OF THE REACTION t p ---> p p n n AT 2.5-GeV/c TRITON MOMENTUM

Chuvilo, I.V. ; Ergakov, V.A. ; Grechko, V.E. ; et al.

ITEP-33-1980, 1980.

Inspire Record 154212 DOI 10.17182/hepdata.40303

None

5 data tables

Table 1

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INVESTIGATIONS OF THE ANGULAR DISTRIBUTIONS OF PROTONS EMITTED FROM NUCLEI IN pi+, pi-. INTERACTIONS AT MOMENTA OF 1.2-GeV/c TO 7.0-GeV/c

Barkov, B.P. ; Bayukov, Yu.D. ; Bobchenko, B.M. ; et al.

ITEP-58-1980, 1980.

Inspire Record 154421 DOI 10.17182/hepdata.40307

None

6 data tables

Table 1

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ASYMMETRY OF REACTION CROSS-SECTION OF DEUTERON DISINTEGRATION BY POLARIZED PHOTONS WITH 80-MEV - 600-MEV ENERGY. (IN RUSSIAN)

Gorbenko, V.G. ; Zhebrovsky, Yu.V. ; Kolesnikov, L.Ya. ; et al.

Pisma Zh.Eksp.Teor.Fiz. 32 (1980) 387-389, 1980.

Inspire Record 159210 DOI 10.17182/hepdata.39695

None

2 data tables

Table 1

LINEARLY POLARIZED PHOTON BEAM. TABLE CONTAINES DATA FOR 400 <= E(GAMMA) <= 600 MEV FROM ZETFP 30, 130 1979.

Table 2

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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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