Double diffractive cross-section measurement in the forward region at LHC
TOTEM Collaboration: G. Antchev, P. Aspell, I. Atanassov, V. Avati, J., Baechler, V. Berardi, M. Berretti, E. Bossini, U. Bottigli, M. Bozzo, E., Br\"ucken, A. Buzzo, F. S. Cafagna, M. G. Catanesi, M. Csan\'ad, T., Cs\"org\H{o}, M. Deile, K. Eggert, V. Eremin, F. Ferro
TL;DR
This paper reports the first measurement of the double diffractive cross-section in the very forward region at the LHC, using the TOTEM experiment's detectors to analyze proton-proton collisions at 7 TeV.
Contribution
It presents the first measurement of the double diffractive cross-section in the very forward region at the LHC, utilizing the TOTEM detectors to extend the understanding of diffraction phenomena.
Findings
Measured the double diffractive cross-section as 116 ± 25 mub.
Extended the measurement to the very forward region up to |eta|=6.5.
Provided new data on diffraction at high energies.
Abstract
The first double diffractive cross-section measurement in the very forward region has been carried out by the TOTEM experiment at the LHC with center-of-mass energy of sqrt(s)=7 TeV. By utilizing the very forward TOTEM tracking detectors T1 and T2, which extend up to |eta|=6.5, a clean sample of double diffractive pp events was extracted. From these events, we measured the cross-section sigma_DD =(116 +- 25) mub for events where both diffractive systems have 4.7 <|eta|_min < 6.5 .
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