The pseudorapidity density of charged particles dNch/dη is measured by the TOTEM experiment in pp collisions at √s=8 TeV within the ranges 3.9<η<4.7 and −6.95<η<−6.9. Data were collected in a low intensity LHC run with collisions occurring at a distance of 11.25\,m from the nominal interaction point. The data sample is expected to include 96--97\% of the inelastic proton--proton interactions. The measurement reported here considers charged particles with pT>0 MeV/c, produced in inelastic interactions with at least one charged particle in −7<η<−6 or 3.7<η<4.8. The dNch/dη has been found to decrease with |η|, from 5.11±0.73 at η=3.95 to 1.81±0.56 at η=−6.925.
Generated at Thursday, 12. December 2019 02:35PM