Burnett, T.H.
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A STUDY OF DOUBLE TAGGED TWO PHOTON REACTIONS AT SPEAR

Biddick, C.J. ; Burnett, T.H. ; Lyon, D.E. ; et al.
Phys.Lett.B 97 (1980) 320, 1980.
Inspire Record 159793 DOI 10.17182/hepdata.27144

We have identified 262 doubly tagged two-photon events. A subset of the data shows an enhancement of 21 events in the inclusive two-photon mass squared distribution between 0.8 and 2.2 GeV 2 . If these events result from spin 2 resonance production then Γ γγ = 9.5 ± 3.9 ± 2.4 keV (statistical and systematic). From another subset of 58 events in which the final state could be classified we determine the two-photon hadron to muon cross section ratio R γγ = 1.1 ± 0.3 ± 0.3.

1 data table
Table 1

ELECTRON BEAM ENERGIES OF 3.0 AND 3.6 GEV.


Lambda-Proton Elastic Scattering from 1-GeV/c to 17-GeV/c

Anderson, K.J. ; Gelfand, N.M. ; Keren, J. ; et al.
Phys.Rev.D 11 (1975) 473-477, 1975.
Inspire Record 103336 DOI 10.17182/hepdata.24870

The Λ-proton elastic scattering cross section has been measured between 1 and 17 GeV/c in a bubble chamber experiment. These are the first measurements of the elastic cross section for pΛ>5 GeV/c. The Λ's were produced by 25-GeV/c proton interactions in a platinum target. The cross section falls from 22 to 4 mb over the region. No significant polarization is observed.

2 data tables
Table 1

No description provided.

Table 2

CORRECTION MADE FOR KL P --> KS P.