Inclusive rho0 Production in anti-p p Interactions at 22.4-GeV/c

The Alma Ata-Dubna-Helsinki-Kosice-Moscow-Prague collaboration Ermilova, D.I. ; Filippova, V.V. ; Samoilov, V.V. ; et al.
Nucl.Phys.B 137 (1978) 29, 1978.
Inspire Record 122943 DOI 10.17182/hepdata.35097

Inclusive ϱ 0 production has been investigated in p p reactions at 22.4 GeV/ c . The total cross section for ϱ 0 production is 8.1 ± 2.0 mb. The average ϱ 0 's per event is 0.17 ± 0.03. The average transverse momentum, as obtained by extrapolation of a fitted simple exponential to the p T 2 distribution, is 0.52 ± 0.12 GeV/ c . The Feynman x and c.m. rapidity distributions show ϱ 0 to be “centrally” produced.

2 data tables

No description provided.

No description provided.


Neutral Kaon Transmission Regeneration on Deuterons and Neutrons in Kaon Momentum Region of 10-GeV/c to 50-GeV/c

The Berlin-Budapest-Dubna-Prague-Serpukhov-Sofiya-Tbilisi collaboration Albrecht, K.F. ; Birulev, V.K. ; Vesztergombi, G. ; et al.
Sov.J.Nucl.Phys. 27 (1978) 199, 1978.
Inspire Record 122158 DOI 10.17182/hepdata.19037

None

4 data tables

THE AVERAGE PHASE IS -130.9 +- 2.7 DEG (NO EXPLICIT MOMENTUM DEPENDENCE). USING ABS(ETA+-) = 2.3*10**-3.

REGENERATION AMPLITUDE ASSUMING MOMENTUM INDEPENDENT CONSTANT PHASE.

CROSS SECTION DIFFERENCES ASSUMING MOMENTUM INDEPENDENT CONSTANT PHASE.

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Lambda and anti-Lambda Production in K+ p Interactions at 32-GeV/c

The French-Soviet & CERN-Soviet collaborations Gorbunov, P.A. ; Gumenyuk, S.A. ; Knyazev, V.V. ; et al.
Nucl.Phys.B 131 (1977) 93-106, 1977.
Inspire Record 122186 DOI 10.17182/hepdata.35194

A study of the inclusive and semi-inclusive Λ and Λ production in K + p interactions at 32 GeV/ c is presented. The inclusive cross sections for Λ and Λ amount to 0.78 ± 0.05 and 0.42 ± 0.04 mb thus showing a remarkable growth between 16 and 32 GeV/ c with a factor of 1.7 for Λ and 2.8 for Λ . Target and beam fragmentation processes are found to be dominant for Λ and Λ production respectively with the following lower limits for the corresponding cross sections: σ(p → K + ʌ) > 0.5 mb and σ(K + → p ʌ ) > 0.3 mb . Although the early scaling conditions are fulfilled for the Λ production in the target fragmentation region, and Λ production in the beam fragmentation region, scaling is not observed between 16 and 32 GeV/ c in the x and p T 2 Feynman variables. The Λ production is found to be very similar in the K + p inclusive reaction at 32 GeV/ c and in the semi-inclusive reaction K − p → Λ K K X at the same energy. The Λ Λ pair production cross section increases significantly in K + p interactions from 16 to 32 GeV/ c where it reaches the value σ Λ Λ = 47 ± 11 μ b . The cross sections for Λ or Λ produced in association with an identified proton are also given and discussed.

2 data tables

No description provided.

No description provided.


The Differential Cross-Section of the Reaction pi- p --> eta0 n at a Momentum of 3.3-GeV/c

Astvatsaturov, R.G. ; Arkhipov, V.V. ; Boitsova, L.S. ; et al.
Sov.J.Nucl.Phys. 27 (1978) 216, 1978.
Inspire Record 120289 DOI 10.17182/hepdata.19025

None

1 data table

No description provided.


Particle Multiplicities in K- p Interactions at 32-GeV/c

The French-Soviet & CERN-Soviet collaborations Cochet, C. ; Barloutaud, R. ; Berard, A. ; et al.
Nucl.Phys.B 124 (1977) 61-80, 1977.
Inspire Record 118795 DOI 10.17182/hepdata.35364

The inclusive cross section and the average multiplicity are evaluated for most of the charged ( π ± , p, K ± ) and neutral (γ, π 0 , K 0 , K 0 , Λ, Λ , n ) particles produced in 32 GeV/ c K − p interactions; corresponding results are obtained for each charged topology separately. New results are given for the total charged multiplicity cross sections. The average longitudinal momentum of neutrals is found to be roughly equal to that of charged particles. The π + and π − multiplicity distributions are reconstructed and compared to the π 0 and to the total charged multiplicity distributions.

6 data tables

No description provided.

Axis error includes +- 30/30 contribution (SYSTEMATIC ERROR FOR K0 MULTIPLICITY, WHICH IS EVALUATED FROM 2 ASSUMPTIONS: ALL K0'S COME FROM THE FINAL STATES (N K 2AK PIONS) OR (LAMBDA/SIGMA K AK PIONS) AND CHARGE DISTRIBUTION IN THESE FINAL STATES OBEYS A STATISTICAL ISOSPIN MODEL OF F.CERULUS,NC 19, 528. ALSO ASSUMED THAT SIG(K+)=SIG(KO). VALUES OF SIG(XI-) AND RATIOS SIG(SIGMA+)/SIG(LAMBDA), SIG(SIGMA-)/SIG(LAMBDA) ARE TAKEN FROM 14.3 GEV EXPERIMENT LOUEDEC 76,NC 41A, 166, STATISTICAL ERRORS BEING DOUBLED. FOR ALL ANTIBARYONS ASSUMED THAT SIG(ANTIBARYON)/SIG(BARYON)=SIG(ANTILAMBDA)/SIG(LAMBDA) =0.046+-0.020. SLOW PROTONS WITH PLAB < 1.2 GEV/C ARE IDENTIFIED, AN ESTIMATE FOR FAST PROTON PRODUCTION IS TAKEN FROM FACCINI 77,NP B127, 109).

Axis error includes +- 30/30 contribution (SYSTEMATIC ERROR FOR K0 MULTIPLICITY, WHICH IS EVALUATED FROM 2 ASSUMPTIONS: ALL K0'S COME FROM THE FINAL STATES (N K 2AK PIONS) OR (LAMBDA/SIGMA K AK PIONS) AND CHARGE DISTRIBUTION IN THESE FINAL STATES OBEYS A STATISTICAL ISOSPIN MODEL OF F.CERULUS,NC 19, 528. ALSO ASSUMED THAT SIG(K+)=SIG(KO). VALUES OF SIG(XI-) AND RATIOS SIG(SIGMA+)/SIG(LAMBDA), SIG(SIGMA-)/SIG(LAMBDA) ARE TAKEN FROM 14.3 GEV EXPERIMENT LOUEDEC 76,NC 41A, 166, STATISTICAL ERRORS BEING DOUBLED. FOR ALL ANTIBARYONS ASSUMED THAT SIG(ANTIBARYON)/SIG(BARYON)=SIG(ANTILAMBDA)/SIG(LAMBDA) =0.046+-0.020. SLOW PROTONS WITH PLAB < 1.2 GEV/C ARE IDENTIFIED, AN ESTIMATE FOR FAST PROTON PRODUCTION IS TAKEN FROM FACCINI 77,NP B127, 109).

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Measurement of d Parameter in p p Scattering at 1000-MeV

Vovchenko, V.G. ; Zhdanov, A.A ; Zheleznyakov, V.M. ; et al.
Yad.Fiz. 25 (1977) 975-982, 1977.
Inspire Record 123554 DOI 10.17182/hepdata.19038

None

1 data table

No description provided.


Inelastic Interaction of High-Energy Particles with Light Nuclei and Cluster Structure of Nuclei

Avdeichikov, V.V ; Bogatin, V.I. ; Lozhkin, O.V. ;
Yad.Fiz. 25 (1977) 3-15, 1977.
Inspire Record 123727 DOI 10.17182/hepdata.18296

None

8 data tables

ANGLE ER.D(OMEGA) = 1.990000000 MSR.

ANGLE ER.D(OMEGA) = 1.990000000 MSR.

ANGLE ER.D(OMEGA) = 1.990000000 MSR.

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Measurement of Proton Spectra Emitted at an Angle of 162-Degrees in the Reaction pi- a --> p Anything at pi- Energies of 1.5-GeV to 6.0-GeV

Burgov, N.A. ; Vlasov, M.K. ; Vorobev, L.S. ; et al.
ITEP-85-1977, 1977.
Inspire Record 121261 DOI 10.17182/hepdata.40305

None

8 data tables

No description provided.

No description provided.

No description provided.

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Production of K+- Mesons from Be Targets at 62-Mrad at 9.5-GeV/c Incident Proton Momenta

Aleshin, Yu.D. ; Drabkin, I.A. ; Kolesnikov, V.V. ;
ITEP-80-1977, 1977.
Inspire Record 122855 DOI 10.17182/hepdata.40313

None

2 data tables

No description provided.

No description provided.


K0(L) K0(s) Transmission Regeneration on Hydrogen

The Budapest-Dubna-Prague-Serpukhov collaboration Birulev, V.K. ; Genchev, V. ; Govorun, N.N. ; et al.
Nucl.Phys.B 115 (1976) 249-268, 1976.
Inspire Record 3964 DOI 10.17182/hepdata.35585

The energy dependence of the modulus and phase of the K L 0 -K S 0 regeneration amplitude on hydrogen in the range of 14–50 GeV has been investigated at the Serpukhov 70 GeV accelerator. It has been established that the modulus of the modified regeneration amplitude decreases with increasing momentum as 2|ƒ 21 0 (p)|/k = (0.84 ± 0.42) · p −0.50±0.15 mb . The amplitude phase is energy-independent and its mean value is ϕ 21 0 = −132° ± 5°. The results obtained are compared with other experiments and with predictions of different theoretical models.

1 data table

TABLE ALSO CALCULATES FORWARD DIFFERENTIAL CROSS SECTION AND SIG(AK0 P) - SIG(K0 P) TOTAL CROSS SECTION DIFFERENCES.