Böhm, A.
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K0(L) K0(S) TRANSMISSION REGENERATION ON DEUTERONS AND NEUTRONS IN A MOMENTUM RANGE OF 10-GEV/C - 50-GEV/C

The BERLIN-BUDAPEST-DUBNA-PRAGUE-SERPUKHOV-SOFIYA-TBILISI collaboration Albrecht, K.-F. ; Birulev, V.K. ; Genchev, V. ; et al.
Nucl.Phys.B 158 (1979) 29-38, 1979.
Inspire Record 145094 DOI 10.17182/hepdata.34627

The energy dependence of the K L 0 -K S 0 transmission regeneration amplitudes on deuterons and neutrons in the momentum region 10–50 GeV/ c is determined. The moduli of the modified transmission amplitudes are momentum dependent. These dependences are fitted by the expression A j p − nj , where A j and n j ( j = d, n) are constants: A d =2.88 ±0.04 mb , n d =0.546±0.030, for deuterons , A n =1.97 ±0.14 mb , n n =0.530±0.019, for neutrons , The amplitude phases do not depend on the kaon momentum and are equal to ϕ d = (−130.9 ± 2.7)° ϕ n = (−132.3 ± 1.7)°. The mean value of the ratio of the total cross-section differences for K 0 and K 0 interactions with neutrons and protons is determined. The residues of the partial ω and ϱ amplitudes, which contribute to the kaon-nucleon interaction amplitudes, are also obtained.

2 data tables
Table 1

FORWARD CROSS SECTION, AMPLITUDE AND PHASE FOR K0 REGENERATION.

Table 2

(AK0 - K0) TOTAL CROSS SECTION DIFFERENCES.


INCLUSIVE ETA PRODUCTION IN P P COLLISION AT ISR ENERGIES

Amaldi, E. ; Beneventano, M. ; Borgia, B. ; et al.
Nucl.Phys.B 158 (1979) 1-10, 1979.
Inspire Record 145095 DOI 10.17182/hepdata.34663

We report on the experimental results obtained at the ISR for the η particle production at 90° and √ s = 30.6 and 53.2 GeV. We determine the invariant cross section and the p t distribution in the interval 1 ⩽ p t ⩽ 5 GeV/ c . We find that the p t distribution has the same shape of the π 0 production and differ from it by a constant factor R 90° = 0.5 ± 0.07.

1 data table
Table 1

No description provided.


Vector and Tensor Meson Production in $K^- p$ Interactions at 32-{GeV}/$c$

The French-Soviet & CERN-Soviet collaborations Cochet, C. ; Lewin, C. ; Barloutaud, R. ; et al.
Nucl.Phys.B 155 (1979) 333-356, 1979.
Inspire Record 141994 DOI 10.17182/hepdata.34666

Inclusive production of vector and tensor mesons is studied in a K − p experiment at 32 GeV/ c in the MIRABELLE bubble chamber. The K ∗ 0 (890) , ϱ 0 and ω cross sections are comparable, about 4 mb each. The K ∗ 0 (1420 and cross sections are also comparable, about 1 mb each. The K ∗ o ̈ + (890), Φ, K ∗ o ̈ − (1420) and f cross sections beam fragmentation; ϱ production is almost forward-backward symmetric in the c.m.s. The p T production slopes of K ∗ o ̈ − (890) and ϱ are similar, the Φ slope is shallower. Vector and tensor mesons alone are responsible for ≅50% (≅60%) of final-state pions

1 data table
Table 1

No description provided.


NONDIFFRACTIVE TWO-BODY CHANNELS IN REACTIONS K+ P ---> K0 PI+ P AND K+ P ---> K+ PI- PI+ P AT 32-GeV/c. FRANCE-SOVIET UNION AND CERN-SOVIET UNION COLLABORATIONS

Givernaud, A. ; Cochet, C. ; Denegri, D. ; et al.
Nucl.Phys.B 153 (1979) 280-298, 1979.
Inspire Record 146578 DOI 10.17182/hepdata.34765

We present results on a number of non-diffractive two-body channels contributing to reactions K + p→K 0 π + p and K + p→K + π − π + p. The data come from an exposure of the Mirabelle bubble chamber to an r.f. separated K + beam of 32 GeV/ c at the Serpukhov accelerator. Total cross sections are given for the final states K ∗+ (890) p , K ∗+ (1420) p , K 0 Δ ++ (1232), K ∗+ (890) p , Δ ++ (1232), K ∗0 (1420) Δ ++ (1232), K ∗0 (1780) Δ ++ (1232) and K ∗0 (890) Δ ++ (1950) . The differential cross sections are given for all channels with sufficient statistics. The energy dependence of the total and differential cross sections is studied.

3 data tables
Table 1

FROM K0 P PI+ FINAL STATE.

Table 2

DOUBLE RESONANCE CHANNEL CROSS SECTIONS CORRECTED FOR BACKGROUND, BREIT-WIGNER TAILS AND DIFFRACTIVE PROCESSES.

Table 3

No description provided.


MEASUREMENTS OF THE REACTION K- N ---> PI- LAMBDA IN THE C.M.S. ENERGY RANGE 1750-MEV TO 2000-MeV

Corden, M.J. ; Cox, G.F. ; Dartnell, A. ; et al.
Nucl.Phys.B 153 (1979) 485-492, 1979.
Inspire Record 146576 DOI 10.17182/hepdata.34783

The angular distribution and polarization for the reaction K − n→ π − Λ have been measured in the c.m.s. energy range 1750 MeV to 2000 MeV by means of a bubble chamber experiment, producing on average 500 events of this type per 10 MeV energy interval. The data are compared with the predictions of a recent partial-wave analysis of this reaction.

2 data tables
Table 1

LEGENDRE POLYNOMIAL COEFFICIENTS FOR DIFFERENTIAL CROSS SECTION.

Table 2

LEGENDRE POLYNOMIAL COEFFICIENTS FOR POLARIZATION.


Polarization Measurements in π p+ p and K p+ p elastic scattering at 6 and 12 GeV/ c with the CERN polarized deuteron target

Fujisaki, M. ; Babou, M. ; Bystricky, J. ; et al.
Nucl.Phys.B 151 (1979) 206-212, 1979.
Inspire Record 145595 DOI 10.17182/hepdata.34795

The polarization in π + p → π + p and K + p → K + p has been measured at 6 and 12 GeV/ c in the four-momentum transfer interval 0.1 ⩽ | t | ⩽ 2.0 (GeV/ c ) 2 by scattering on protons of a polarized deuteron target. Comparison with existing results obtained with polarized proton targets shows good general agreement and no evidence for asymmetry effects due to the presence of the spectator neutron. For K + p elastic scattering polarization the experiment yields improved statistics, especially at 6 GeV/ c

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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SINGLE DIRECT PHOTON PRODUCTION IN P P COLLISIONS AT S**(1/2) = 53.2-GEV IN THE P(T) INTERVAL 2.3-GEV/C TO 5.7-GEV/C

Amaldi, E. ; Beneventano, M. ; Borgia, B. ; et al.
Nucl.Phys.B 150 (1979) 326-344, 1979.
Inspire Record 145596 DOI 10.17182/hepdata.34796

We report the results of an experiment made at the CERN ISR to investigate the possible diret production of single photons in pp collisions at √ s = 53.2 GeV at 90° and in the p t interval 2.3 to 5.7 GeV/ c . The value of the ratio R = n γ / n π 0 is compatible with zero for low p t ⪅ 3 GeV/ c but, in spite of the large error, shows a trend to increase for larger p t .

3 data tables
Table 1

THIS USES THE SO-CALLED D2L TRIGGER (SEE PAPER).

Table 2

THIS USES THE SO-CALLED D2MAX TRIGGER (SEE PAPER).

Table 3

THIS USES THE SO-CALLED D2MAX TRIGGER (SEE PAPER).


EXPERIMENTAL STUDY OF THE REACTION neutrino N ---> MU- P

The GARGAMELLE NEUTRINO PROPANE collaboration Pohl, M. ; Dewit, M. ; Haidt, D. ; et al.
Lett.Nuovo Cim. 26 (1979) 332-336, 1979.
Inspire Record 144819 DOI 10.17182/hepdata.37737

None

1 data table
Table 1

Measured Quasi-Elastic total cross section.


MULTI - HADRON PRODUCTION IN E+ E- ANNIHILATION AT 1.45-GEV - 1.61-GEV center-of-mass ENERGY

Esposito, B. ; Marini, A. ; Pallotta, M. ; et al.
Lett.Nuovo Cim. 25 (1979) 5-12, 1979.
Inspire Record 145867 DOI 10.17182/hepdata.37370

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


RESULTS FROM DASP ON E+ E- ANNIHILATION BETWEEN 3.1-GEV AND 5.2-GEV

The DASP collaboration Brandelik, R. ; Braunschweig, W. ; Martyn, H.U. ; et al.
Z.Phys.C 1 (1979) 233-256, 1979.
Inspire Record 145403 DOI 10.17182/hepdata.16476

This paper summarizes the measurements one+e− annihilation performed by the DASP Collaboration in the energy range between 3.1 and 5.2 GeV. The following topics are covered: total cross section, production and two body decays of the narrow resonances, radiative decays of theJ/ψ and ψ′ resonances and evidence for theX(2.82), ψ′ cascade decays, inclusive η production and evidence for theF meson, semileptonic decays of charmed mesons and properties of the heavy lepton.

5 data tables
Table 1

THESE DATA ON R WERE PUBLISHED IN R. BRANDELIK ET AL., PL 76B, 361 (1978), THE RECORD OF WHICH HAS TABULATED CROSS SECTIONS WITH AND WITHOUT THE TAU HEAVY LEPTON CONTRIBUTION.

Table 2

OBSERVATION OF J/PSI RESONANCE.

Table 3

OBSERVATION OF PSI(3700)0 RESONANCE.

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