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A secondary peak at t = −1 (GeV/c)2 in high energy π-p charge exchange scattering

Sonderegger, P. ; Kirz, J. ; Guisan, O. ; et al.

Phys.Lett. 20 (1966) 75-78, 1966.

Inspire Record 1498686 DOI 10.17182/hepdata.75504

None

23 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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High p(T) inclusive hadron production in pi- p collisions at 40-GeV and angles 49-degrees <= theta(cm) <= 93-degrees

Turchanovich, L.K. ; Abramov, V.V. ; Baldin, B.Yu. ; et al.

Phys.Atom.Nucl. 56 (1993) 1367-1377, 1993.

Inspire Record 356443 DOI 10.17182/hepdata.40547

None

6 data tables

Table 1

Only statistical errors are given.

Table 2

Only statistical errors are given.

Table 3

Only statistical errors are given.

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Angular distribution of the production of symmetric hadron pairs in pi- p collisions at 40-GeV

Volkov, A.A. ; Kostritsky, A.V. ; Abramov, V.V. ; et al.

JETP Lett. 58 (1993) 486-492, 1993.

Inspire Record 346766 DOI 10.17182/hepdata.40644

None

7 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Further studies of the x (1910) meson

The IHEP-IISN-KEK-LANL-LAPP collaboration Alde, D. ; Binon, F.G. ; Boutemeur, M. ; et al.

Phys.Lett.B 276 (1992) 375-378, 1992.

Inspire Record 322740 DOI 10.17182/hepdata.48134

New data on the ν ′ ν system produced in the π − p charge exchange at 38 GeV c momentum confirm the existence of the narrow ν ′ ν resonance X(1910). The hypothesis of the X(1910) quantum numbers being a J PC = 1 −+ , forbidden for the q[ovbar|q] meson, is proposed to explain the extremely low limits obtained for X(1910) decays through π 0 π 0 , νν and K 0 s K 0 s channels and the flat t -dependence of the X(1910) production cross section.

4 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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On the role of rescattering in the production of particles with large transverse momentum in pi- A interactions at 38-GeV/c.

The RISK collaboration Akhobadze, K.G. ; Bannikov, A.V. ; Boos, E.G. ; et al.

Sov.J.Nucl.Phys. 52 (1990) 662-665, 1990.

Inspire Record 299247 DOI 10.17182/hepdata.17239

None

6 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

PT(P=3,NAME=OUT)**2 - MEAN SQUARE OF THE PROJECTION OF THE ASSOCIATED PARTICLE TRANSVERSE MOMENTUM ONTO THE NORMAL TO THE TRIGGER PARTICLE PRODUCTION PLANE.

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Evidence for a 1.9-{GeV} Meson Decaying Into $\eta \eta^\prime$

The IFVE-Brussels-Annecy-Los Alamos collaboration Alde, D. ; Binon, F.G. ; Bricman, C. ; et al.

Phys.Lett.B 216 (1989) 447, 1989.

Inspire Record 267048 DOI 10.17182/hepdata.29856

Evidence for a new meson decaying into ηη′ has been found in 38 GeV π − p charge-exchange interactions. The mass and the width of this meson are (1917 ± 15) MeV and (90 −50 +35 ) MeV, respectively. Possible spin and parity assignments are J PC = 0 ++ , 1 −+ or 2 ++ , isospin and G -parity are I G = 0 + . The t -dependence of the differential cross section follows an exponential behaviour exp( bt with a small slope: b = (2±1) (GeV/ c ) −2 .Upper limits on its decay into ππ, ηη and K K exotic interpretation of this meson.

1 data table

Table 1

No description provided.

Study of $\omega \omega$ Systems Produced in 38-{GeV}/$c \pi^- p$ Collisions

The IHEP-IISN-LANL-LAPP-TSUIHEP collaboration Alde, D. ; Binon, F.G. ; Bricman, C. ; et al.

Phys.Lett.B 216 (1989) 451, 1989.

Inspire Record 267049 DOI 10.17182/hepdata.29857

The π − p→ ωω n reaction has studied for the first time at the 70 GeV IHEP accelerator. The six photons from the decay of the two ω mesons were detected in GAMS-2000, a hodoscope multi-photon spectometer. Two resonances decaying into ωω,X (1640) and X(1960), have been observed. Their quantum numbers are J PC =2 ++ , I G =0 + . The reaction is dominated by the one-pion exchange mechanism. The production cross sections σ. BR(X→ ωω ) are 0.65±0.15 μ b and 1.0±0.2 μ b, respectively.

2 data tables

Table 1

X(1640) IS A JPC - 2++, IG - 0+ MESON WITH MASS 1643+-7 MEV.

Table 2

X(1960) IS A JPC - 2++, IG - 0+ MESON WITH MASS 1956+-20 MEV.