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Richard Trotta, 07/16/2018 11:09 AM

Welcome to the Kaon-LT redmine page!


The simplest strongly bound quark-gluon systems in nature are the two lightest quarkantiquark
pairs, pions and kaons, and the two lightest three-quark systems, protons and neutrons
- these also provide the building blocks for the atomic nuclei at the core of the atom. Gaining a
quantitative description of the nature of these systems, including a revealing of their inner
structure and an understanding of the dynamics that bind them, is thus of great importance for
our understanding of the fundamental structure of matter. This experiment is aimed to confirm
the potential of kaon measurements both for studies of the kaon structure itself and of the 3D
structure of the proton, in terms of spatial imaging (tomography). In particular, E12-09-011 will
probe if the measurements to map the spatial extension of the charged pion can be extended to
those of the charged kaon, and if kaons can be utilized to enable 3D spatial tomography of
strange quarks.
The E12-09-011 experiment is an exclusive measurement of the L/T separated kaon
electroproduction cross section important for understanding the role of strangeness in GPD
studies and the kaon form factor. It will for the first time make precision measurements of the
L/T separated kaon electroproduction cross sections as a function of Q2
above the resonance
region. These data will provide information about the onset of the Q2 evolution in kaon
production. A direct comparison of the scaling properties of the + and  separated cross
sections would provide an important tool for the study of the onset of factorization in the
transition from the hadronic to the partonic regime, and provide a possibility to study effects
related to SU. The L/T separated cross sections at low –t can further provide constraints of the
largely unknown kaon form factor.

Physics Motivation


Data Analysis

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Updated by Richard Trotta about 6 years ago · 31 revisions