HEPData Search

Showing 10 of 234 results

$\gamma$ and $\pi^0$ Production in $\bar{p} p$ Interactions at 22.4-{GeV}/$c$

The Dubna-Alma Ata-Helsinki-Moscow-Prague-Tbilisi collaboration Batyunya, B.V. ; Boguslavsky, I.V. ; Gramenitsky, I.M. ; et al.

Sov.J.Nucl.Phys. 32 (1980) 684, 1980.

Inspire Record 154051 DOI 10.17182/hepdata.18075

None

17 data tables

Table 1

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Study of the Scaling in the Mean and of the Associative Multiplicity in Inclusive $K^0_S$ and $\Lambda$ Production in $\bar{P} P$ Interactions at 22.4-{GeV}/c.

The Dubna-Alma Ata-Helsinki-Moscow-Prague-Tbilisi collaboration Batyunya, B.V. ; Boguslavsky, I.V. ; Gramenitsky, I.M. ; et al.

Sov.J.Nucl.Phys. 33 (1981) 373, 1981.

Inspire Record 154157 DOI 10.17182/hepdata.39558

None

33 data tables

Table 1

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Measurement of the SU(3) Symmetry Violation in the Quark Jet

The Fermilab-Serpukhov-Moscow-Michigan collaboration Ammosov, V.V. ; Amrakhov, A.H. ; Denisov, A.G. ; et al.

Phys.Lett.B 93 (1980) 210-212, 1980.

Inspire Record 152994 DOI 10.17182/hepdata.42575

We have used the ratio between the production rates of $K^0$'s and $π^−$'s in antineutrino-nucleon interactions in the Fermilab 15 ft bubble chamber to measure the size of the SU (3) symmetry violation in the production of quark-antiquark pairs to be 0.27 ± 0.04. This value is significantly larger than the value obtained from a recent ep experiment. There is no apparent dependence of the $K^0$/$π^−$ ratio with $W^2 , Q ^2 , x_b$ or $p_T^2$ .

6 data tables

Table 1

OBTAINED RESULT FOR SIG/SIG IS MODEL DEPENDENT.

Table 2

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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

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Inclusive $K^$+ (892) and $K^$ (892) Production in $K^+ p$ Interactions at 32-{GeV}/c

The French-Soviet & CERN-Soviet collaborations Azhinenko, I.V. ; Bryzgalov, V.V. ; Gerdyukov, L.N. ; et al.

Z.Phys.C 5 (1980) 177, 1980.

Inspire Record 153557 DOI 10.17182/hepdata.71085

Total and semi-inclusive cross sections, longitudinal and transverse momentum distributions and spin density matrix elements of theK*+(892) andK*0(892) produced in the inclusive reactionsK+p→K*+(892)+X andK+p→K*0(892)+X at 32 GeV/c are studied in detail. The inclusive spectra of theK*(892) and their decay products are compared with pion and neutral kaon production. TheK*+(892) andK*+(892) are dominantly produced by kaon fragmentation processes. The dependence of average transverse momentum <pT> vs.x for resonances has been investigated for the first time.

55 data tables

Table 1

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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

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PHOTOPRODUCTION OF RHO0 MESONS ON HYDROGEN AT GAMMA QUANTA ENERGIES OF 15-GEV - 30-GEV. (IN RUSSIAN)

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

Yad.Fiz. 32 (1980) 651-658, 1980.

Inspire Record 159787 DOI 10.17182/hepdata.18966

None

6 data tables

Table 1

SIG OBTAINED FROM INTEGRATION OF D(SIG)/D(T).

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STUDY OF REACTIONS WITH NEUTRON PRODUCTION IN P P AND P D COLLISIONS AT 1-GEV. (IN RUSSIAN)

Baturin, V.N. ; Koptev, V.P. ; Maev, E.M. ; et al.

Yad.Fiz. 31 (1980) 396-402, 1980.

Inspire Record 157175 DOI 10.17182/hepdata.18077

None

11 data tables

Table 1

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INVESTIGATION ON THE REACTION t p ---> p d n AT 2.5-GeV/c TRITON MOMENTUM

Chuvilo, I.V. ; Ergakov, V.A. ; Grechko, V.E. ; et al.

Phys.Lett.B 91 (1980) 349-352, 1980.

Inspire Record 154345 DOI 10.17182/hepdata.40230

The reaction of tp → pdn in 4π geometry was investigated by exposition of an 80 cm liquid hydrogen bubble chamber to a t-nucleus beam of 2.5 GeV/ c momentum. The main characteristics of the reaction are described reasonably well by the pole approximation in the absolute normalization and without free parameters.

7 data tables

Table 1

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