$\pi^{-}$C collisions with backward proton emission at 4 and 40 GeV/c

Angelov, N. ; Lutpullaev, S.L. ; Nikitina, V.F. ; et al.
Sov.J.Nucl.Phys. 33 (1981) 98-99, 1981.
Inspire Record 1392857 DOI 10.17182/hepdata.17814

None

13 data tables

PROTONS MOMENTA LIE IN LAB BACKWARD HEMISPHERE.

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COMPARISON BETWEEN HADRONIC FINAL STATES PRODUCED IN mu p AND e+ e- INTERACTIONS

The European Muon collaboration Arneodo, M. ; Arvidson, A. ; Aubert, J.J. ; et al.
Z.Phys.C 35 (1987) 417, 1987.
Inspire Record 233424 DOI 10.17182/hepdata.16655

A comparison is made between the properties of the final state hadrons produced in 280 GeV μp interactions and ine+e− annihilation. The Lund model of hadroproduction is used as an aid in understanding the differences observed. The hadron distributions from μp ande+e− interactions are consistent with the quark parton model assumption of environmental independence, provided that the differences in heavy quark production and hard QCD effects in the two processes are taken into account. A comparison with aK+p experiment is also made. Values are also determined for the Lund model parameters σq = 0.410 ± 0.002 ± 0.020 GeV and σ′ = 0.29−0.15 −0.13+0.09+0.10 GeV, controlling the transverse momenta in fragmentation and intrinsic transverse momenta of the struck quark respectively.

23 data tables

With respect to the virtual photon axis.

With respect to the sphericity axis.

With respect to the thrust axis.

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