STUDY OF D (1285) ---> K+ K- pi0 DECAY

Bityukov, S.I. ; Dorofeev, V.A. ; Dzhelyadin, R.I. ; et al.
JETP Lett. 39 (1984) 115, 1984.
Inspire Record 195747 DOI 10.17182/hepdata.41100

Results on the study of D(1285)→K + K − π 0 -decay are presented. The K + K − effective mass spectrum is measured with statistics which are by an order of magnitude higher than in the previous data. From the analysis of the differential spectrum d N d M KK (in the framework of the δ-dominance model) the δ-meson effective width is Γ δ >180MeV/ c 2 at √ s =1 GeV/ c 2 , which means a strong coupling of the δ-meson with hadrons.

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Study of Light Meson Radiative Decays

Bityukov, S.I. ; Borisov, G.V. ; Viktorov, V.A. ; et al.
Sov.J.Nucl.Phys. 47 (1988) 800, 1988.
Inspire Record 253771 DOI 10.17182/hepdata.40758

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Study of the reaction pi- p ---> eta-prime eta-prime n

Berdnikov, E.B. ; Bityukov, S.I. ; Borisov, G.V. ; et al.
Z.Phys.C 57 (1993) 13-16, 1993.
Inspire Record 340793 DOI 10.17182/hepdata.14498

The reaction π−p→η′η′n has been studied atpπ=37 GeV/c. Total of 14 events of this reaction have been selected. It has been shown that in the effective mass spectrum of the η′η′ system the events are concentrated mainly near the reaction threshold, which might be caused by the decayX(1910)→η′η′. The reaction cross-section has been evaluated: σ(π−p→η′η′n)=110±40 nb.

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Possible Exotic $\phi \pi^0$ State With a Mass of About 1.5-{GeV}

Bityukov, S.I. ; Viktorov, V.A. ; Vishnevsky, N.K. ; et al.
JETP Lett. 42 (1985) 384-387, 1985.
Inspire Record 229516 DOI 10.17182/hepdata.16883

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Study of a Possible Exotic $\phi \pi^0$ State With a Mass of About 1.5-{GeV}/$c^2$

Bityukov, S.I. ; Dzhelyadin, R.I. ; Dorofeev, V.A. ; et al.
Phys.Lett.B 188 (1987) 383, 1987.
Inspire Record 233160 DOI 10.17182/hepdata.10556

New data have been obtained on a resonance in the ϕπ 0 system, the C meson, which is formed in the π − p → ϕπ 0 n charge-exchange reaction. The experiment has been performed at the Serpukhov 70 GeV accelerator. The mass and the width of the resonance are measured to be M =1480±40 MeV , Γ =130±60 MeV . The production cross section is determined at a π − momentum of 32.5 GeV / c : σ ( π − p → Cn )· BR ( C → ϕπ 0 )=40±15 nb . The C(1480) meson has an isospin I =1 and spin-parity J PC =1 − − . It is strongly coupled to the ϕπ 0 channel and is considered as a possible exotic meson.

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THE ACCEPTANCE CORRECTED DISTRIBUTION.


Study of the backward rho- meson production in reaction pi- p ---> p rho- within the incident momentum interval 1.80 to 3.25 gev/c.

Vladimirskii, V.V. ; Dzhelyadin, R.I. ; Dukhovskoi, I.A. ; et al.
Yad.Fiz. 17 (1973) 788-792, 1973.
Inspire Record 85120 DOI 10.17182/hepdata.19251

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Cross-Sections and Charged Multiplicity Distributions for $\pi^- p$ and $K^- p$ Interactions at 147 GeV/c.

Fong, D. ; Heller, M. ; Shapiro, A.M. ; et al.
Nucl.Phys.B 102 (1976) 386-404, 1976.
Inspire Record 112604 DOI 10.17182/hepdata.36057

The results presented in this paper were obtained from a 105 000 frame exposure of the FNAL Hybrid Proportional Wire Chamber-30 inch Bubble Chamber System, in a tagged beam of 147 GeV/ c negative particles. Elastic, total and topological cross sections were obtained for both π − p and K − p interactions. Comparisons with other data, taken with various beam particles over large momentum intervals, show good agreement with KNO scaling, and similarity in the scaling behavior of σ n for the different beam particles.

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THESE CROSS SECTIONS ARE NOT NORMALIZED TO ANY OTHER ABSOLUTE MEASUREMENT. THE ERRORS INCLUDE SOME SYSTEMATIC ERRORS.

THE FORWARD CROSS SECTION AGREES WELL WITH THE OPTICAL POINT FROM TOTAL CROSS SECTION MEASUREMENTS.

THESE CROSS SECTIONS ARE NOT NORMALIZED TO ANY OTHER ABSOLUTE MEASUREMENT.


Inelastic Two Prong Events in 147-GeV/c $\pi^- p$ Collisions.

Fong, D. ; Heller, M. ; Shapiro, A. ; et al.
Nucl.Phys.B 104 (1976) 32-51, 1976.
Inspire Record 112609 DOI 10.17182/hepdata.36026

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Inclusive and Semiinclusive $\rho^0$ Production in $\pi^- p$ Interactions at 147-GeV/c.

Fong, D. ; Heller, M. ; Shapiro, A.M. ; et al.
Phys.Lett.B 60 (1975) 124-128, 1975.
Inspire Record 102526 DOI 10.17182/hepdata.27734

We present data on inclusive and semi-inclusive ϱ 0 production in 147 GeV/ c π − p interactions. We find a total cross section of 7.3 ± 1.3 mb. Most of this cross section is found in the lower topology events (⩽ 10 prongs), and in the central and forward rapidity regions. The P T 2 dependence of ϱ 0 production, 〈: n > ϱ 0 per event, and the ϱ 0 / π + ratios are also discussed.

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Inclusive Strange Resonance Production in $p p$, $\pi^+ p$ and $K^+ p$ Interactions at 147-{GeV}/$c$

Brick, D. ; Rudnicka, H. ; Shapiro, A.M. ; et al.
Phys.Rev.D 25 (1982) 2248-2258, 1982.
Inspire Record 176545 DOI 10.17182/hepdata.23976

We have studied the inclusive production of K*±(890) and Y*±(1385) in pp, π+p, and K+p interactions at 147 GeV/c. The experiment used the Fermilab 30-inch hydrogen bubble chamber with the hybrid spectrometer system. Results are based on a sample of 1916 observed KS and 932 observed A. Inclusive cross sections are given for K*± and Y*± production from the three beams, and comparisons are made with experiments at other energies. Feynman-x and transverse-momentum-squared distributions are also calculated. The results suggest that the K*− is entirely produced in the central region, while the K*+ includes a component from beam fragmentation. Comparisons are made with the additive quark model.

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