Rodrigues, P.A.
DSIG/DPT
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Mass and transverse momentum dependence of dielectron production in p + d and p + p collisions at 4.9-GeV

The DLS collaboration Huang, H.Z. ; Beedoe, S. ; Bougteb, M. ; et al.
Phys.Rev.C 49 (1994) 314-319, 1994.
Inspire Record 356615 DOI 10.17182/hepdata.38156

Dielectron production in p+d and p+p collisions at the beam kinetic energy of 4.9 GeV has been measured with the Dilepton Spectrometer. Features of the dielectron cross section have been studied with cuts on the mass and transverse momentum of the pairs. The spectra for several regions of phase space are presented as a function of the pair mass and transverse momentum.

8 data tables
Table 1

Mass distribution.

Table 2

Mass distribution.

Table 3

Transverse momentum distribution.

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DOUBLE PROMPT PHOTON PRODUCTION AT HIGH TRANSVERSE MOMENTUM BY pi- ON PROTONS AT 280-GeV/c

The WA70 collaboration Bonvin, E. ; Bopp, R. ; Carroll, L.J. ; et al.
Z.Phys.C 41 (1989) 591, 1989.
Inspire Record 265091 DOI 10.17182/hepdata.15470

A search for pairs of highpT prompt photons produced in hydrogen by a 280 GeV/c incidentπ- beam has been carried out using a fine-grained electromagnetic calorimeter and the Omega spectrometer at the CERN SPS. Clear evidence for the existence of such events is found with a six standard deviation signal forpT>3.0 GeV/c. The cross-sections are consistent with beyond leading order QCD calculations. A discussion on the determination of αs is also presented.

2 data tables
Table 1

PT is the transverse momentum of either of the two photons.

Table 2

PT is the transverse momentum of either of the two photons.


Inclusive $\pi^0$ Production at the {CERN} $p \bar{p}$ Collider

The UA2 collaboration Banner, M. ; Bloch, P. ; Bonaudi, F. ; et al.
Phys.Lett.B 115 (1982) 59-64, 1982.
Inspire Record 178583 DOI 10.17182/hepdata.30880

Inclusive π 0 production has been measured at the CERN pp̄ collider, s =540 GeV , for 90° production angle and in a range of transverse momenta between 1.5 and 4.5 GeV/ c . The invariant production cross section is larger than that measured at s = 53 GeV for p-p collisions. The production of μ mesons aand of direct photons is also investigated.

1 data table
Table 1

No description provided.