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An Investigation of the $\pi + p \longrightarrow n + {\pi}^0$ Charge Exchange Scattering and the ${\pi}^{-} + p \longrightarrow n + {\eta}({\eta} {\longrightarrow} 2\gamma)$ Reaction in the 1.55-4.5 BeV/c Region

Barmin, V.V. ; Dolgolenko, A.G. ; Krestnikov, Yu.S. ; et al.

Sov.Phys.JETP 19 (1964) 102-106, 1964.

Inspire Record 1407540 DOI 10.17182/hepdata.70207

The rr- + p- n + rr0 charge-exchange scattering and the rr- + p- n + 1J ( 1J- 2y) reaction were investigated in 1.55-4.5 BeVIc region in a 17-liter propane-xenon bubble chamber. The total cross sections of both reactions were measured in this region. The angular distributions of the rr0 mesons in the charge-exchange reaction were obtained. The backward exchange-scattering cross sections du( rr- + p- n + rr 0 )ldQ were estimated.

3 data tables

Table 1

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Structure in $\pi^+ p$ elastic backward scattering

Dobrowolski, T. ; Gus'kov, B.N. ; Likhachev, M.F. ; et al.

Phys.Lett.B 24 (1967) 203-206, 1967.

Inspire Record 1400910 DOI 10.17182/hepdata.29617

The energy dependence of the differential cross section for $\pi^+ p$ elastic scattering at a c.m. angle near 174 ° has been measured. The momentum range of incident $\pi^+$ was 2.06-4.70 GeV/c. On this energy dependence one can see a structure, i.e. maxima corresponding to the baryon resonances $\Delta(2420)$ and $\Delta(2840)$. The structure is used for determination of the parities of these resonances.

13 data tables

Table 1

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Total Cross Sections for Interaction of 4.75 and 3.7 BeV/c $K^+$ and $\pi^+$ Mesons with Protons and Nuclei

Likhachev, M.F. ; Stavinskii, V.S. ; Chang, Naisen ; et al.

Sov.Phys.JETP 14 (1961) 29-31, 1961.

Inspire Record 1387792 DOI 10.17182/hepdata.70227

The total cross sections for interactions of K+ and 1r+ mesons with protons were measured. The following values were obtained: 21.3 ± 4.6 mb and 21 ± 4.3 mb for 4.75 ± 0.15 Bev/c and 3.7 ± 0.1 Bev/c K+ mesons, respectively; the corresponding values for 1r+ mesons of the same momenta were 33.3 ± 1.3mb and 30 ± 1.2mb. Data on the cross sections for inelastic collisions of K+ and 1r+ mesons with various nuclei have also been obtained.

2 data tables

Table 1

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Table 2

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OBSERVATION OF INVERSE ELECTROPRODUCTION OF PIONS ON C-12 NUCLEUS AT 164-MeV PION ENERGY AND DETERMINATION OF F1(v) NUCLEON FORM-FACTOR

Alekseev, G.D. ; Blokhintseva, T.D. ; Karpukhin, V.V. ; et al.

Sov.J.Nucl.Phys. 46 (1987) 801, 1987.

Inspire Record 247868 DOI 10.17182/hepdata.38865

None

3 data tables

Table 1

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Differential Cross-section of the $\pi^- P \to \eta$ Delta0 (1232) Reaction at Momenta of 3.3-{GeV}/c and 4.75-{GeV}/c. (In Russian)

Arkhipov, V.V. ; Aslanian, P.Zh. ; Astvatsaturov, R.G. ; et al.

Sov.J.Nucl.Phys. 47 (1988) 1044-1046, 1988.

Inspire Record 252351 DOI 10.17182/hepdata.17353

None

1 data table

Table 1

No description provided.

Experiment on Search for Tachyons Production in pi- p Interactions at 4.5 GeV/c

Perepelitsa, V.F. ;

ITEP-87-161, 1987.

Inspire Record 1394614 DOI 10.17182/hepdata.40098

The results of the experiment to search for charged tachyon production by Π- mesons with the 4.5 GeV/c momenta in a liquid-hydrogen bubble chamber are presented. Analysis of the events chosen is carried out by the method of missing masses. A definite excess of events-candidates, which is difficultly explained by all known backgrounds, is observed. Nevetherless, as interpretation of these events is indefinite, the results obtained are considered as establishment of the upper limits to charged tachyon production cross sections. These limits are on the ∼10-4 level from the total cross section of Π-p interactions, that is considerably lower than the upper limits established up to now to probabilities of tachyon production in hadron reactions

1 data table

Table 1

No description provided.