Abstract
There are a number of exciting physics opportunities at a future electron-ion collider facility. One possible design for such a facility is eRHIC, where the current RHIC facility located at Brookhaven National Lab would be transformed into an electron-ion collider. It is imperative for a seamless integration of auxiliary detector systems into the interaction region design to have a machine that meets the needs for the planned physics analyses, as well as take into account the space constraints due to the tunnel geometry and the necessary beam line elements. In this talk, we describe the current ideas for integrating a luminosity detector, electron polarimeter, roman pots, and a low Q2 -tagger into the interaction region for eRHIC.
Highlights
An extremely exciting physics program is being developed for a future electron-ion collider facility, which will definitively answer current open questions in the field [1]
We focus on the possible design and integration into the machine lattice of a luminosity monitoring system, an electron beam polarimeter, as well as forward and backward detectors designed to measure protons and electrons that scatter at small angle, which will miss the main detector acceptance
It is critical for the implementation of these subsystems to be studied in coincidence with the machine lattice development, as various constraints due to space, beam optics and backgrounds have to be considered and optimized together to get a functioning system
Summary
An extremely exciting physics program is being developed for a future electron-ion collider facility, which will definitively answer current open questions in the field (such as the proton spin puzzle and providing concrete evidence for gluon saturation) [1] This ongoing effort involves both machine development of the collider facility and infrastructure, as well as the development and design of the detector apparatus on which the physics measurements will be performed. In addition to the main detector that is required to track and identify charged and neutral particles, auxiliary detector systems are necessary to monitor beam condition as well as provide other supporting functionality to the experiment In this proceedings, we focus on the possible design and integration into the machine lattice of a luminosity monitoring system, an electron beam polarimeter, as well as forward and backward detectors designed to measure protons and electrons that scatter at small angle (less than 1◦), which will miss the main detector acceptance. Various auxiliary detector systems have been integrated and will be discussed
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