Frabetti, P.L.
DN/DT
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A Measurement of Elastic $J / \psi$ Photoproduction Cross Section at Fermilab E687

The E687 collaboration Frabetti, P.L. ; Paolone, V.S. ; Yager, P.M. ; et al.
Phys.Lett.B 316 (1993) 197-206, 1993.
Inspire Record 359356 DOI 10.17182/hepdata.28834

Measurements of elastic photoproduction cross sections for the J / ψ meson from 100 GeV to 375 GeV are presented. The results indicate that the cross section increases slowly in this range. The shape of the energy dependence agrees well with the photon-gluon fusion model prediction.

3 data tables
Table 1

Data supplied by V. Paolone.

Table 2

Cross section data using Bethe-Heitler event normalization.

Table 3

Cross section data using the Beam Gamma Monitor normalization.


A STUDY OF INELASTIC DIFFRACTION OF pi- MESON IN pi+ pi- pi- SYSTEM USING A 'LIVE' TARGET OF SILICON

Vegni, G. ; Vishnyakov, V.V. ; Zaimidoroga, O.A. ; et al.
Yad.Fiz. 43 (1986) 1480-1486, 1986.
Inspire Record 218427 DOI 10.17182/hepdata.39505

None

1 data table
Table 1

No description provided.


First Results on Low Momentum Transfer Elastic Scattering at the {CERN} Proton - Anti-proton Collider

The UA4 collaboration Battiston, R. ; Bozzo, M. ; Braccini, P.L. ; et al.
Phys.Lett.B 115 (1982) 333-337, 1982.
Inspire Record 178576 DOI 10.17182/hepdata.30890

Proton-antiproton elastic scattering at a centre-of-mass energy of 540 GeV was measured in the four-momentum transfer range 0.05 < − t < s .19 GeV 2 . The t -distribution can be fitted by the exponential exp( b ) with b =17.2±1.0 GeV −2 . This result indicates a rapid decrease of the width of the diffraction peak between ISR and Collider energies.

2 data tables
Table 1

No description provided.

Table 2

EXPONENTIAL SLOPE OF FIT TO DN/DT IN REGION 0.05 <-T <0.19 GEV**-2.