HEPData Search

Inclusive and semi-inclusive production of Λ and$\bar \Lambda$ inK+p interactions is studied at an incident momentum of 70 GeV/c. Cross sections and single particle distributions are presented and compared with data at lower energies. Scaling is observed between 32 and 70 GeV/c in the Feynmanx variable in the target and the beam fragmentation regions for Λ and$\bar \Lambda$ inclusive production respectively. An increase of Λ ($\bar \Lambda$) production is observed in the beam (target) fragmentation regions, whereas the data at 70 and 32 GeV/c are reasonably close in the central region. The dependence of the Λ($\bar \Lambda$) polarization as a function ofx is measured and found to be in general agreement with the results at 32 GeV/c. The (Λ$\bar \Lambda$) pair production cross section increases significantly from 32 to 70 GeV/c. The Λ and$\bar \Lambda$ production associated with an identified proton is also studied.

4 data tables

Table 1

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GENERAL FEATURES AND CLUSTER - LIKE PROPERTIES OF REACTION K+ p ---> K+ p 2 pi+ 2 pi- AT 32-GeV/c

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

Sov.J.Nucl.Phys. 34 (1981) 584, 1981.

Inspire Record 165495 DOI 10.17182/hepdata.10705

None

58 data tables

Table 1

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MEASUREMENT OF TOTAL CROSS-SECTIONS AND SLOPE PARAMETER OF ELASTIC PI- D AND PI- HE-4 SCATTERING AT 40.4-GEV. (IN RUSSIAN)

Ableev, V.G. ; Apokin, V.D. ; Vorobev, A.A. ; et al.

Yad.Fiz. 34 (1981) 769-776, 1981.

Inspire Record 171705 DOI 10.17182/hepdata.2647

None

7 data tables

Table 1

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DIFFERENT VALUES FOR SIG CORRESPONDS TO DIFFERENT MODELS.

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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

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EXCLUSIVE REACTIONS IN pi+ p INTERACTIONS AT 32-GeV/c

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Borovikov, A.A. ; et al.

Sov.J.Nucl.Phys. 34 (1981) 821, 1981.

Inspire Record 165497 DOI 10.17182/hepdata.41255

None

19 data tables

Table 1

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PHOTOPRODUCTION OF RHO0 MESONS IN H AND BE. (IN RUSSIAN)

Aleksandrov, Yu.A. ; Baranov, S.S. ; Belousov, A.S. ; et al.

Yad.Fiz. 33 (1981) 1023-1026, 1981.

Inspire Record 170092 DOI 10.17182/hepdata.18805

None

4 data tables

Table 1

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Inclusive Production of $\Delta^{++}$(1232) and $\Sigma^\pm$(1385) in $K^+ p$ Interactions at 32-{GeV}/$c$

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

IFVE-80-129, 1980.

Inspire Record 156508 DOI 10.17182/hepdata.41431

None

9 data tables

Table 1

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Differential Cross-sections for $\pi^\pm$ Production at 0-degrees From Proton Proton and Proton - Deuteron Collisions at 1-{GeV}

Abaev, V.V. ; Gridnev, A.B. ; Koptev, V.P. ; et al.

LENINGRAD-80-569, 1980.

Inspire Record 154994 DOI 10.17182/hepdata.37950

None

3 data tables

Table 1

Axis error includes +- 15/15 contribution (DUE TO DATA NORMALISATION ON CROSS SECTION,WHICH IS DEFINED WITH 15% ACCURACY).

Table 2

Axis error includes +- 15/15 contribution (DUE TO DATA NORMALISATION ON CROSS SECTION,WHICH IS DEFINED WITH 15% ACCURACY).

Table 3

Axis error includes +- 15/15 contribution (DUE TO DATA NORMALISATION ON CROSS SECTION,WHICH IS DEFINED WITH 15% ACCURACY).

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

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QUASIELASTIC NEUTRINO AND ANTI-NEUTRINOS INTERACTION AT THE SERPUKHOV ACCELERATOR

Inclusive $\Lambda$ and $\bar{\Lambda}$ Production in $K^+ p$ Interactions at 70-{GeV}/$c$

GENERAL FEATURES AND CLUSTER - LIKE PROPERTIES OF REACTION K+ p ---> K+ p 2 pi+ 2 pi- AT 32-GeV/c

MEASUREMENT OF TOTAL CROSS-SECTIONS AND SLOPE PARAMETER OF ELASTIC PI- D AND PI- HE-4 SCATTERING AT 40.4-GEV. (IN RUSSIAN)

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

EXCLUSIVE REACTIONS IN pi+ p INTERACTIONS AT 32-GeV/c

PHOTOPRODUCTION OF RHO0 MESONS IN H AND BE. (IN RUSSIAN)

Inclusive Production of $\Delta^{++}$(1232) and $\Sigma^\pm$(1385) in $K^+ p$ Interactions at 32-{GeV}/$c$

Differential Cross-sections for $\pi^\pm$ Production at 0-degrees From Proton Proton and Proton - Deuteron Collisions at 1-{GeV}

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