Fermilab E706
Pion-Proton Scattering
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Measurement of direct photon production at Tevatron fixed target energies.

The Fermilab E706 collaboration Apanasevich, L. ; Bacigalupi, J. ; Baker, W. ; et al.
Phys.Rev.D 70 (2004) 092009, 2004.
Inspire Record 653834 DOI 10.17182/hepdata.42777

Measurements of the production of high transverse momentum direct photons by a 515 GeV/c piminus beam and 530 and 800 GeV/c proton beams in interactions with beryllium and hydrogen targets are presented. The data span the kinematic ranges of 3.5 < p_T < 12 GeV/c in transverse momentum and 1.5 units in rapidity. The inclusive direct-photon cross sections are compared with next-to-leading-order perturbative QCD calculations and expectations based on a phenomenological parton-k_T model.

18 data tables
Table 1

Invariant cross sections per nucleon for P BE collisions at 800 GeV.

Table 2

Invariant cross sections per nucleon for P BE collisions at 530 GeV.

Table 3

Invariant cross sections per nucleon for PI- BE collisions at 515 GeV.

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Production of pi0 and eta mesons at large transverse momenta in pi- p and pi- Be interactions at 515-GeV/c.

The Fermilab E706 collaboration Apanasevich, L. ; Bacigalupi, J. ; Baker, W. ; et al.
Phys.Rev.D 69 (2004) 032003, 2004.
Inspire Record 625447 DOI 10.17182/hepdata.42836

We present results on the production of high transverse momentum pizero and eta mesons in pi-p and pi-Be interactions at 515 GeV/c. The data span the kinematic ranges 1 < p_T < 11 GeV/c in transverse momentum and -0.75 < y < 0.75 in rapidity. The inclusive pizero cross sections are compared with next-to-leading order QCD calculations and to expectations based on a phenomenological parton-k_T model.

19 data tables
Table 1

Invariant differential cross section per nucleon for inclusive PI0 production in PI- BE collisions at 515 GeV averaged over the cm rapidity interval -0.75 to 0.75.

Table 2

Invariant differential cross section for inclusive PI0 production in PI- P collisions at 515 GeV averaged over the cm rapidity interval -0.75 to 0.75.

Table 3

The averaged invariant differential cross section per nucleon as a functionof rapidity in the PT intervals 1.00 to 1.50 and 1.50 to 2.00 GeV for PI0 produ ction in PI- BE interactions at 515 GeV.

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