New physics from TOTEM's recent measurements of elastic and total cross sections
classification
✦ hep-ph
keywords
amplitudeconeelasticforwardrecentlyscatteringtotemabsence
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We analyze the recently discovered phenomena in elastic proton-proton scattering at the LHC, challenging the standard Regge-pole theory: the low-$|t|$ "break" (departure from the exponential behavior of the diffraction cone), the accelerating rise with energy of the forward slope $B(s,t=0)$, the absence of secondary dips and bumps on the cone and the role of the odderon in the forward phase of the amplitude, $\rho(13~TeV)=0.1\pm0.01$, and especially its contribution at the dip region, measured recently by TOTEM. Relative contributions from different components to the scattering amplitude are evaluated from the fitted model.
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