Budd, H.S.
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rivet Analysis
Soft and hard interactions in p anti-p collisions at s**(1/2) = 1800-GeV and 630-GeV

The CDF collaboration Acosta, D. ; Affolder, T. ; Akimoto, H. ; et al.
Phys.Rev.D 65 (2002) 072005, 2002.
Inspire Record 567774 DOI 10.17182/hepdata.68015

We present a study of pp¯ collisions at s=1800 and 630 GeV collected using a minimum bias trigger by the CDF experiment in which the data set is divided into two classes corresponding to “soft” and “hard” interactions. For each subsample, the analysis includes measurements of the multiplicity, transverse momentum (pT) spectrum, and the average pT and event-by-event pT dispersion as a function of multiplicity. A comparison of results shows distinct differences in the behavior of the two samples as a function of the center of mass (c.m.) energy. We find evidence that the properties of the soft sample are invariant as a function of c.m. energy.

4 data tables
Table 1

Charged multiplicity at $\sqrt{s} = 630~\text{GeV}$, $|\eta| < 1$, $p_T > 0.4~\text{GeV}$.

Table 2

Charged multiplicity at $\sqrt{s} = 1800~\text{GeV}$, $|\eta| < 1$, $p_T > 0.4~\text{GeV}$.

Table 3

$\langle p_\perp \rangle$ vs. multiplicity at $\sqrt{s} = 630~\text{GeV}$, $|\eta| < 1$, $p_T > 0.4~\text{GeV}$.

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