Double diffractive cross-section measurement in the forward region at LHC
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 sigmaDD =(116 +- 25) mub for events where both diffractive systems have 4.7 <|eta|min < 6.5 .
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