"Figure 7 (right panel)" of "The Multiplicity dependence of inclusive p(t) spectra from p-p collisions at s**(1/2) = 200-GeV"
收藏Mendeley Data2024-01-31 更新2024-06-27 收录
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https://www.hepdata.net/record/105283
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We report measurements of transverse momentum $p_t$ spectra for ten event multiplicity classes of p-p collisions at $\sqrt{s}$=200 GeV. By analyzing the multiplicity dependence we find that the spectrum shape can be decomposed into a part with amplitude proportional to multiplicity and described by a L\'evy distribution on transverse mass $m_t$, and a part with amplitude proportional to multiplicity squared and described by a gaussian distribution on transverse rapidity $y_t$. The functional forms of the two parts are nearly independent of event multiplicity. The two parts can be identified with the soft and hard components of a two-component model of p-p collisions. This analysis then provides the first isolation of the hard component of the $p_t$ spectrum as a distribution of simple form on $y_t$.
创建时间:
2024-01-31



