On the model dependence of the relation between minimum-bias and inelastic proton-proton cross sectionsстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The model-dependence of the relation be-
tween the inelastic and various minimum-bias
proton-proton cross sections is analyzed, pay-
ing a special attention to the sensitivity of
minimum-bias triggers to diffractive collisions.
Concentrating on the trigger selections of the
ATLAS experiment, the measured cross sections
are compared to predictions of a number of
hadronic Monte Carlo models used in the cosmic
ray field. It is demonstrated that the ATLAS
results are able to discriminate between differ-
ent models and between certain theoretical ap-
proaches for soft multi-particle production. On
the other hand, the strong model-dependence
of the selection efficiency of the minimum-bias
triggers prevents one from inferring high mass
diffraction rate from the discussed data. More-
over, the measured cross sections prove to be in-
sensitive to the production of low mass diffrac-
tive states in proton-proton collisions. Conse-
quently, a reliable determination of the total
inelastic cross section requires forward proton
tracking by a dedicated experiment.