A Measurement of Inclusive pi0 Production at Large p(T) from p p Collisions at the CERN ISR

The CERN-Columbia-Oxford-Rockefeller & CCOR collaborations Angelis, A.L.S. ; Blumenfeld, Barry J. ; Camilleri, L. ; et al.
Phys.Lett.B 79 (1978) 505-510, 1978.
Inspire Record 132910 DOI 10.17182/hepdata.27381

The inclusive cross section for larger p T π 0 production near 90° in p-p collisions at the CERN ISR is presented for centre-of-mass energies 30.7, 53.1 and 62.4 GeV. The data are inconsistent with scaling of the form p T − n F ( x T ), with constant n or with n allowed to depend on x T = 2p T / s . For s = 53.1 and 62.4 GeV , the value of n found for 3.5 < p T < 7.0 GeV/ c is n = 8.0 ± 0.5, in agreement with previous experiments. However, for 7.5 < p T < 14.0 GeV/ c the value becomes n = 5.1 ± 0.4.

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