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s CHANNEL AND t CHANNEL HELICITY CONSERVATION IN DIFFRACTIVE EVENTS OF THE REACTION K+ p ---> K+ pi+ pi- p AT 32-GeV/c

The CERN-Soviet collaboration Azhinenko, I.V. ; Barth, M. ; Belokopytov, Yu.A. ; et al.

Sov.J.Nucl.Phys. 32 (1980) 673, 1980.

Inspire Record 146409 DOI 10.17182/hepdata.41499

None

25 data tables

Table 1

Table 2

DD IVENTS SELECTED BY THE RAPIDITY GAP METHOD.

Table 3

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Observation of the $\rho^-$prime (1600) in the Channel $\gamma p \to \pi^+ \pi^- p$

The Bonn-CERN-Ecole Poly-Glasgow-Lancaster-Manchester-Orsay-Paris-Rutherford-Sheffield collaboration Aston, D. ; Atkinson, M. ; Bailey, R. ; et al.

Phys.Lett.B 92 (1980) 215-218, 1980.

Inspire Record 152747 DOI 10.17182/hepdata.27241

A dipion enhancement of mass 1.59 GeV and width 0.23 GeV is observed in the channel γp→π + π − p. The spin-parity of the enhancement is consistent with being 1 − .

1 data table

Table 1

No description provided.

MEASUREMENT OF ELASTIC BACKWARD PI- D SCATTERING FOR 1.57-GEV/C, 1.66-GEV/C AND 1.76-GEV/C. (IN RUSSIAN)

Abramov, B.M. ; Ayrapetov, E.A. ; Bagdasaryan, L.S. ; et al.

Pisma Zh.Eksp.Teor.Fiz. 31 (1980) 147-150, 1980.

Inspire Record 157089 DOI 10.17182/hepdata.39767

None

1 data table

Table 1

MULTIPLICITY OF PI- MESONS IN INELASTIC INTERACTIONS OF PROTONS WITH NUCLEI OF C AND TA IN THE MOMENTUM INTERVAL 2-GEV/C 10-GEV/C. (IN RUSSIAN)

Baatar, Ts. ; Gasparian, A.P. ; Gafurov, G.G. ; et al.

Yad.Fiz. 32 (1980) 1372-1378, 1980.

Inspire Record 159805 DOI 10.17182/hepdata.39915

None

3 data tables

Table 1

MULT NORMALIZED ON INELASTIC EVENTS IN A MODEL DEPENDENT FASION. LOOP-VER.

Table 2

MULT IN YN ARE NORMYLIZED ON EVENTS WITH AT LEAST ONE CHARGED-.

Table 3

MULT AND MULT2 IN THIS TABLE NORMALIZED ON EVENT VITH AT LEAST ONE CHARGED- IN THE FINAL STATE.

Inclusive Production of Anti-xi+ and $\Xi^-$ in $K^+ p$ Interactions at 32-{GeV}/c

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Chliapnikov, P.V. ; et al.

Nucl.Phys.B 176 (1980) 51, 1980.

Inspire Record 153556 DOI 10.17182/hepdata.11096

The inclusive production of Ξ + and Ξ − hyperons is investigated in K + p interactions at 32 GeV/ c . The production cross sections, 36.4±9 μ b for the Ξ + and 6.5±3 μ b for the Ξ − , are rising strongly with energy similarly to Λ and Λ production in K + p interactions. The Ξ + are produced preferentially in the forward direction in the c.m.s., while the Ξ − are produced dominantly backwards. The average transverse momenta 〈p T 〉 Ξ + =0.73±0.09 GeV /c and 〈 p T 〉 Ξ − =0.58±0.09 GeV/ c .

22 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Double Charge Exchange Reactions of Negative Pions on Nuclei With Strange Change

Biryukov, Yu.A. ; Gornov, M.G. ; Drutskoi, A.G. ; et al.

Sov.J.Nucl.Phys. 32 (1980) 358, 1980.

Inspire Record 152649 DOI 10.17182/hepdata.17932

None

9 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Inclusive Production of $\rho^0$ and $\phi$ in $K^+ p$ Interactions at 32-{GeV}/c

The Soviet-CERN collaboration Vorobjev, A.P. ; Gerdyukov, L.N. ; Knyazev, V.V. ; et al.

Nucl.Phys.B 176 (1980) 303, 1980.

Inspire Record 153559 DOI 10.17182/hepdata.48999

Inclusive ϱ 0 and φ production is investigated in K + p interactions at 32 GeV/ c . Total and semi-inclusive ϱ 0 and φ cross sections, longitudinal and transverse momentum distributions, including 〈 P T versus x dependence are presented. No evidence for a sea-gull effect is observed. Comparison with quark models strongly suggests the possibility that a large fraction of the ϱ 0 and vector mesons are produced as fragmentation products of the incident particles. Study of uncorrelated π + π − pairs in the ϱ 0 mass range provides possible indirect evidence for the existence of diquarks in the proton.

39 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

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Photoproduction of $K^+ K^-$ Pairs on Hydrogen at Photon Energies of 20-{GeV} to 36-{GeV}

The Bonn-CERN-Ecole Poly-Glasgow-Lancaster-Manchester-Orsay-Paris-Rutherford-Sheffield collaboration Aston, D. ; Atkinson, M. ; Bailey, R. ; et al.

Nucl.Phys.B 172 (1980) 1-12, 1980.

Inspire Record 153022 DOI 10.17182/hepdata.34516

The reaction γ p→K + K − p has been investigated with photons in the energy range of 20< E γ <36 GeV and with K + K − pairs in the mass range of M K + K − <2.0 GeV. The production of the φ(1019) contributes with a cross section σ ( γ p → φ p) × BR( φ →K + K − ) = 240±6 nb with an additional systematic error of ±20 nb. In the higher mass range of 1.05< M K + K − <2.0 GeV the production of K + K − pairs yields a cross section σ ( γ p→K + K − p) = 160±8 nb with an additional systematic error of +40 −30 nb.

3 data tables

Table 1

No description provided.

Table 2

K+ K- PRODUCTION ABOVE PHI MASS.

Table 3

No description provided.

Production of Slow $\pi^0$ Mesons in $\pi^-$ C-12 Interactions at $P$ ($\pi^-$) = 40-{GeV}/$c$

Gasparian, A.P. ; Lyubimov, V.B. ; Suleimanov, M.K. ; et al.

JINR-P1-80-359, 1980.

Inspire Record 154326 DOI 10.17182/hepdata.39301

None

3 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

Measurements of the Total $\pi$ He and $p$ He Cross-sections and the Slopes of the Forward Diffraction Peak at Energies From 50-{GeV} to 300-{GeV}

Burq, J.P. ; Chemarin, M. ; Chevallier, M. ; et al.

Nucl.Phys.B 187 (1981) 205, 1981.

Inspire Record 154079 DOI 10.17182/hepdata.34264

Differential cross sections for elastic scattering of pions and protons on helium have been measured at incident momenta ranging from 50 to 300 GeV/ c in the t -range 0.008 < | < | < 0.05 (GeV/ c ) 2 . Both recoil α-particles and forward particles were detected in this experiment. The experimental method provided an absolute normalization of the cross sections with an estimated precision of 1%. From the analysis of the data, the diffraction slope parameters and total cross sections have been obtained. The results are compared with Glauber model calculations.

17 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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s CHANNEL AND t CHANNEL HELICITY CONSERVATION IN DIFFRACTIVE EVENTS OF THE REACTION K+ p ---> K+ pi+ pi- p AT 32-GeV/c

Observation of the $\rho^-$prime (1600) in the Channel $\gamma p \to \pi^+ \pi^- p$

MEASUREMENT OF ELASTIC BACKWARD PI- D SCATTERING FOR 1.57-GEV/C, 1.66-GEV/C AND 1.76-GEV/C. (IN RUSSIAN)

MULTIPLICITY OF PI- MESONS IN INELASTIC INTERACTIONS OF PROTONS WITH NUCLEI OF C AND TA IN THE MOMENTUM INTERVAL 2-GEV/C 10-GEV/C. (IN RUSSIAN)

Inclusive Production of Anti-xi+ and $\Xi^-$ in $K^+ p$ Interactions at 32-{GeV}/c

Double Charge Exchange Reactions of Negative Pions on Nuclei With Strange Change

Inclusive Production of $\rho^0$ and $\phi$ in $K^+ p$ Interactions at 32-{GeV}/c

Photoproduction of $K^+ K^-$ Pairs on Hydrogen at Photon Energies of 20-{GeV} to 36-{GeV}

Production of Slow $\pi^0$ Mesons in $\pi^-$ C-12 Interactions at $P$ ($\pi^-$) = 40-{GeV}/$c$

Measurements of the Total $\pi$ He and $p$ He Cross-sections and the Slopes of the Forward Diffraction Peak at Energies From 50-{GeV} to 300-{GeV}