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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/58786
Measurement of prompt hadron production ratios in pp collisions at s√= 0.9 and 7 TeV
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The charged-particle production ratios p¯/p, K −/K +, π −/π +, (p+p¯)/(π++π−), (K ++K −)/(π ++π −) and (p+p¯)/(K++K−) are measured with the LHCb detector using 0.3 nb−1 of pp collisions delivered by the LHC at s√=0.9 TeV and 1.8 nb−1 at s√=7 TeV. The measurements are performed as a function of transverse momentum p T and pseudorapidity η. The production ratios are compared to the predictions of several Monte Carlo generator settings, none of which are able to describe adequately all observables. The ratio p¯/p is also considered as a function of rapidity loss, Δy≡y beam−y, and is used to constrain models of baryon transport.
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ABELLAN BETETA, Carlos, et al. Measurement of prompt hadron production ratios in pp collisions at s√= 0.9 and 7 TeV. European Physical Journal C. 2012. Vol. 72, num. 2168. ISSN 1434-6044. [consulted: 16 of August of 2026]. Available at: https://hdl.handle.net/2445/58786