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Observation of Structure in $\bar{p} p \to \pi^0 \pi^0$

Dulude, R.S. ; Lanou, R.E. ; Massimo, J.T. ; et al.
Phys.Lett.B 79 (1978) 335-339, 1978.
Inspire Record 130455 DOI 10.17182/hepdata.27426

We present a partial wave amplitude analysis of the differential cross sections for p̄p → π 0 π 0 at 25 energies from 2.12 to 2.43 GeV. The results suggest the presence of a J PC I G = 2 ++ 0 + resonance at 2.15 GeV. An isospin decomposition of p̄p → π + π - is also presented.

1 data table
Table 1

THESE LEGENDRE COEFFICIENTS ARE TABULATED IN THE RECORD OF THE PRECEDING PAPER, R. S. DULUDE ET AL., PL 79B, 329 (1978).


Measurement of $\bar{p} p \to \pi^0 \pi^0$, $\pi^0$ Eta0 in the $T$ and U Meson Region

Dulude, R.S. ; Lanou, R.E. ; Massimo, J.T. ; et al.
Phys.Lett.B 79 (1978) 329-334, 1978.
Inspire Record 130456 DOI 10.17182/hepdata.27379

We present measurements from a counter-optical spark chamber experiment of the differential cross sections for p̄p → π 0 π 0 , π 0 η 0 at 25 momenta in the range 1.1 − 2.0 GeV/ c (c.m. energy 2.12 to 2.43 GeV). Approximately 750 000 pictures were taken in the experiment.

4 data tables
Table 1

THE ANGULAR DISTRIBUTIONS IN THE PUBLISHED FIGURES ARE NOT TABULATED HERE SINCE THEY ARE ONLY RECONSTRUCTED FROM THE LEGENDRE EXPANSION COEFFICIENTS WHICH WERE MEASURED DIRECTLY FROM THE DATA.

Table 2

No description provided.

Table 3

LEGENDRE COEFFICIENTS NORMALIZED SO THAT LEG(L=0) = SIG/(2*PI) (IDENTICAL PARTICLES IN FINAL STATE). THESE ARE PLOTTED IN FIG. 1 OF THE FOLLOWING PAPER.

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