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Polarization in Charge Exchange Reaction $\pi^- p \to \pi^0 n$ in Small Momentum Transfer Range at 40-{GeV}/$c$

Apokin, V.D. ; Avvakumov, I.A. ; Bagaturiya, Yu.Sh. ; et al.

Experientia Suppl. 38 (1981) 554, 1981.

Inspire Record 154047 DOI 10.17182/hepdata.11048

None

2 data tables

Table 1

AVERAGE TARGET POLARIZATION WAS 76 +- 3 PCT.

Table 2

No description provided.

Exclusive Reactions in $\bar{p} p$ Interactions at 32-{GeV}/$c$

The French-Soviet & CERN-Soviet collaborations Jabiol, M.A. ; Denegri, D. ; Louedec, C. ; et al.

Nucl.Phys.B 183 (1981) 330-348, 1981.

Inspire Record 155103 DOI 10.17182/hepdata.34313

The cross sections of several exclusive reactions in p p interactions are given. In the channels p p → p p π + π − and p p → p p 2π + 2π − which dominate the interactions, the single and double diffractive dissociations are analysed and compared to the results obtained with K ± p interactions at the same energy, pp and p p interactions at other energies. The test of factorization at the p → p π + π − vertex is well verified. The process p p → Δ ++ Δ ++ is studied and the cross sections of Δ ++ , Δ ++ , ϱ 0 and f 0 production are also given.

3 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

rivet Analysis
Measurement of the Charged Kaon Form-factor in the Energy Range 1.0-{GeV} to 1.4-{GeV}

Ivanov, P.M. ; Kurdadze, L.M. ; Lelchuk, M.Yu. ; et al.

Phys.Lett.B 107 (1981) 297-300, 1981.

Inspire Record 173076 DOI 10.17182/hepdata.31025

The cross section of the reaction e + e − → K + K − has been measured at the electron-positron storage ring VEPP-2M in the c.m. energy range 1.0–1.4 GeV. At energies above 1.15 GeV the experimental values of the charged kaon form factor considerably exceed the predictions of the simplest vector dominance model with ϱ, ω, ψ mesons.

1 data table

Table 1

No description provided.

CROSS-SECTION OF pi- MESON CHARGED EXCHANGE REACTION ON NUCLEI AT 40-GeV/c MOMENTUM

Apokin, V.D. ; Vasiliev, A.N. ; Vishnevsky, N.K. ; et al.

Sov.J.Nucl.Phys. 35 (1982) 219, 1982.

Inspire Record 165494 DOI 10.17182/hepdata.41301

None

4 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Investigation of the Energy Dependence of the Spin Spin Correlation in the Diproton Resonance Region

Borisov, N.S. ; Vovchenko, V.G. ; Efimovykh, V.A. ; et al.

Sov.Phys.JETP 54 (1981) 841-847, 1981.

Inspire Record 173719 DOI 10.17182/hepdata.16987

None

2 data tables

Table 1

No description provided.

Table 2

No description provided.

MECHANISM OF RESONANCE PRODUCTION IN FOUR PARTICLE EXCLUSIVE CHANNELS IN K- p INTERACTIONS AT 32-GeV/c

Bogolyubsky, M.Yu. ; Kotova, A.I. ; Levitsky, M.S. ; et al.

Yad.Fiz. 34 (1981) 1251, 1981.

Inspire Record 165498 DOI 10.17182/hepdata.41299

None

14 data tables

Table 1

CS FOR GIVEN REACTIONS BASED ON THE SAME STATISTICS FROM THE SAME EXPERIMENT ARE ALSO PRESENTED IN THE PAPER A.GIVERNAUD ET AL.,NP B160, 445, 1979, BUT NUMBERS ARE DIFFERENT DUE TO DIFFERENT CORRECTIONS FOR SLOW PROTONS.

Table 2

No description provided.

Table 3

No description provided.

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Polarization in Charge Exchange Reaction $\pi^- p \to \pi^0 n$ at 40-{GeV}/$c$ for the Four Momentum Transfer Range $0 < T < 2$-{GeV}/$c^2$

Apokin, V.D. ; Avvakumov, I.A. ; Bagaturiya, Yu.Sh. ; et al.

Z.Phys.C 15 (1982) 293, 1982.

Inspire Record 169455 DOI 10.17182/hepdata.41256

The results on measuring polarization in charge exchange reaction π−+p→π0+n at 40 GeV/c are presented for the 4-momentum transfer range from 0 up to 2 (GeV/c)2. At |t|≦0.4 (GeV/c)2 the polarization has a positive sign. In the “crossover” region of π± elastic scattering a possible minimum in the polarization behaviour has been seen for the first time. the polarization is zero within the statistical accuracy near this point. In the “deep” region of the charge-exchange differential cross-section the polarization has a negative sign. The presented data are not in agreement with the modern theoretical models.

1 data table

Table 1