Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-10-31
Mod.Phys.Lett. A18 (2003) 743-752
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 6 figures, to be published in the Modern Physics Letters A
Scientific paper
10.1142/S0217732303009897
High energy elastic $p p$ scattering at the Large Hadron Collider (LHC) at c.m. energy 14 TeV is predicted using the asymptotic behavior of $\sigma_{tot}(s)$ and $\rho(s)$ known from dispersion relation calculations and the measured elastic $\bar p p$ differential cross section at $\sqrt{s} = 546 {\rm GeV}$. The effective field theory model underlying the phenomenological analysis describes the nucleon as having an outer cloud of quark-antiquark condensed ground state, an inner core of topological baryonic charge of radius $\simeq 0.44F$ and a still smaller valence quark-bag of radius $\lesssim 0.1 {\rm F}$. The LHC experiment TOTEM (Total and Elastic Measurement), if carried out with sufficient precision from $|t| = 0$ to $|t| > 10 {\rm GeV^2}$, will be able to test this structure of the nucleon.
Islam Monirul Md.
Luddy R. J.
Prokudin A. V.
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