Large Rapidity Gaps in proton-nucleus interaction
V.A. Khoze, M.G. Ryskin
TL;DR
This paper investigates the cross-section of events with Large Rapidity Gaps in proton-lead collisions, discussing the role of the elementary amplitude's transverse size and questioning the absence of Pomeron contributions in the data.
Contribution
It provides an analysis of the cross-section data, highlighting the significance of proton dissociation via photon radiation and challenging existing interpretations of the Pomeron contribution.
Findings
Proton dissociation via photon radiation accounts for the observed cross-section.
The data shows no clear evidence for Pomeron-induced contributions.
The role of the transverse size of the elementary amplitude is emphasized.
Abstract
We analyse the cross-section of events with Large Rapidity Gaps observed in proton-lead collisions by the CMS collaboration. The role of the transverse size of elementary amplitude is discussed. We emphasize that the cross-section of incoming proton dissociation caused by the photon radiated off the lead ion is close to the value of measured by the CMS, and it is not clear why there is no room in the data for the Pomeron-induced contribution
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Particle physics theoretical and experimental studies · Cosmology and Gravitation Theories