Date

Measurement of the $e^+ e^- \to \pi^+ \pi^- \pi^+ \pi^-$ Cross-section in the $\rho^\prime$ (1600) Energy Region

Bacci, C. ; Baldini-Celio, R. ; Battistoni, G. ; et al.
Phys.Lett.B 95 (1980) 139-142, 1980.
Inspire Record 153382 DOI 10.17182/hepdata.27154

The cross section for the reaction e + e - →π + π - π + π - has been measured at the e + e - storage ring Adone, in the to tal c.m. energy range 1.42–2.20 GeV. The peak and the following descent of the ϱ′(1600) resonance is observed. Using also lower energy data, and assuming that only one resonant amplitude contributes to the observed cross section, the parameters of the ϱ′(1600) are deduced.

1 data table

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Polarization of $\Lambda$ Hyperons Produced in the $\pi^-$ Propane Interaction at $P (\pi^-) = 40$-{GeV}/

Dzhmukhadze, S.V. ; Kladnitskaya, E.N. ; Popova, V.M. ; et al.
Sov.J.Nucl.Phys. 33 (1981) 81-83, 1981.
Inspire Record 154889 DOI 10.17182/hepdata.17860

None

1 data table

Axis error includes +- 0.0/0.0 contribution (?////).


Production of Two $\Lambda$ Hyperons in $\pi$ C-12 Interactions at 40-{GeV}/$c$

Dzhmukhadze, S.V. ; Kladnitskaya, E.N. ; Popova, V.M. ; et al.
Sov.J.Nucl.Phys. 32 (1980) 812, 1980.
Inspire Record 154156 DOI 10.17182/hepdata.18008

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12 data tables

NONQUASINUCLEON SCATTERING. OBTAINED BY SUBTRACTION PI- NUCLEON EVENTS FROM PI- C INTERACTIONS. FOR THE SAKE OF SIMPLICITY DENOTED PI- C.

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New High Statistics Data on $K^- p \to$ Two-body Final States Over the Center-of-mass Energy Range 1720-{MeV} to 1796-{MeV}

Cameron, W. ; Franek, B. ; Gopal, G.P. ; et al.
Nucl.Phys.B 193 (1981) 21-52, 1981.
Inspire Record 156542 DOI 10.17182/hepdata.2930

Data are presented from a high statistics bubble chamber experiment to K − p interactions over the c.m. energy range 1720 to 1796 MeV. Channel cross sections, differential cross sections and, where appropriate, polarisation distributions have been obtained for the final states K − p , K 0 n , π 0 Λ and π ± Σ ∓ . These data are compared with those from previously published experiments and with the predictions from the RL-IC 77 partial-wave amplitudes for each of these channels.

20 data tables

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EXTRAPOLATED FORWARD AND BACKWARD DIFFERENTIAL CROSS SECTIONS.

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Measurement of Hadronic Exclusive Cross-sections in $e^+ e^-$ Annihilation From 1.42-{GeV} to 2.20-{GeV}

Bacci, C. ; De Zorzi, G. ; Penso, G. ; et al.
Nucl.Phys.B 184 (1981) 31-39, 1981.
Inspire Record 158474 DOI 10.17182/hepdata.34278

Total cross sections for reactions e + e − → π + π − π 0 , π + π − π 0 , 2 π + 2 π − π 0 , 2 π + 2 π − 2 π 0 , 3 π + 3 π − have been measured in the total c.m. energy range 1.42–2.20 GeV. Partial R = σ had / σ σ + μ − values for two and four produced charged pions, and cross sections for positive and negative G -parity states are also reported.

2 data tables

THE CROSS SECTIONS FOR PRODUCING AN ODD OR EVEN NUMBER OF PIONS CORRESPOND TO NEGATIVE OR POSITIVE G-PARITY FINAL STATES. CROSS SECTION FOR E+ E- --> PI+ PI+ PI+ PI- PI- PI- IS LESS THAN ABOUT 2 NB IN THIS ENERGY RANGE.

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Multiplicity and Inclusive Spectra of $\gamma$ Quanta in $\pi^- p$ Interactions With the Production of Strange Particles

Dzhmukhadze, S.V. ; Kladnitskaya, E.N. ; Popova, V.M. ; et al.
Sov.J.Nucl.Phys. 34 (1981) 692, 1981.
Inspire Record 158399 DOI 10.17182/hepdata.39206

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9 data tables

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Production of $K^0$ Mesons, $\Lambda$ and $\bar{\Lambda}$ Hyperons in $\pi^- p$ Interactions at 40-{GeV}/$c$

Angelov, N.S. ; Dzhmukhadze, S.V. ; Kladnitskaya, E.N. ; et al.
Sov.J.Nucl.Phys. 34 (1981) 686, 1981.
Inspire Record 164733 DOI 10.17182/hepdata.39141

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25 data tables

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OBSERVATION OF pi- MESON CORRELATED EMISSION IN C - Ta INTERACTIONS AT P (0) = 4.2-GEV/c PER NUCLEON

Akhababian, N. ; Angelov, N. ; Baatar, Ts. ; et al.
JINR-E1-81-470, 1981.
Inspire Record 167530 DOI 10.17182/hepdata.9979

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4 data tables

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KAON SCATTERING AND CHARGED SIGMA HYPERON PRODUCTION IN K- P INTERACTIONS BELOW 300-MEV/C

Ciborowski, J. ; Gwizdz, J. ; Kielczewska, D. ; et al.
J.Phys.G 8 (1982) 13-32, 1982.
Inspire Record 179889 DOI 10.17182/hepdata.38531

In an experiment on K--proton interactions in a hydrogen bubble chamber, the cross sections and angular distributions have been studied for elastic and charge-exchange scattering, and charged sigma hyperon production in the momentum range 90-300 MeV/c. Good agreement is found with previous cross sections except for the charge-exchange channel where the new values are 60% larger. The production distributions of the charged sigma hyperons and the polarisation of the Sigma + hyperon clearly indicate that P waves are present down to about 150 MeV/c, much lower than previously reported.

6 data tables

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