Bulletin of the American Physical Society
APS April Meeting 2023
Volume 68, Number 6
Minneapolis, Minnesota (Apr 15-18)
Virtual (Apr 24-26); Time Zone: Central Time
Session F15: Mini-Symposium: Studies for EIC physics and detector designMini-Symposium
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Sponsoring Units: GHP DNP Chair: Susan Shadmand Room: Marquette VI - 2nd Floor |
Sunday, April 16, 2023 8:30AM - 9:06AM |
F15.00001: Studies for EIC physics performance and detector design Invited Speaker: Xuan Li The high-luminosity high-energy Electron-Ion Collider (EIC) to be built at Brookhaven National Laboratory (BNL) will provide a clean environment to address several fundamental questions including studying the proton/nuclear structure, understanding the proton spin origin, searching for gluon saturation and exploration of matter formation in the high energy and nuclear physics fields. A high granularity detector, which can determine the collision vertex, identify particle species and decay vertex, and measure track momentum and particle energy with high precision is desired. Recent detector and physics developments for the EIC project detector include the EIC yellow report preparation, the detector reference design selection and detector optimization led by the newly formed ePIC collaboration. The current ePIC detector design consists of vertex, tracking, particle identification, electromagnetic calorimeter and hadronic calorimeter subsystems to realize a series of hadron and jet measurements in the pseudorapidity region of |η| ≤ 3.5. Progresses and results of the EIC project detector physics and detector studies will be discussed in this talk. |
Sunday, April 16, 2023 9:06AM - 9:18AM |
F15.00002: The Electron-Ion Collider: A Second Interaction Region and its Opportunity Klaus Dehmelt The Electron-Ion Collider (EIC) is the next large-scale nuclear physics project in the US. The unique and powerful tools of the EIC will peer into protons and neutrons, the building blocks that make up atomic nuclei, providing unprecedented insight into how those particles’ internal building blocks - and the gluelike force that holds them together - build up the structure of nearly all visible matter in the Universe. |
Sunday, April 16, 2023 9:18AM - 9:30AM Withdrawn |
F15.00003: Tracking and PID with a GridPix Detector Prakhar Garg I will present the low momentum PID & tracking capabilities of a GridPix-based gas detector configured as a mini-TPC. This device would be |
Sunday, April 16, 2023 9:30AM - 9:42AM |
F15.00004: Enchancing the Photon-Gluon Fusion Contribution to Dihadron Azimuthal Correlations in Electron-Ion Collisions. Nathan C Grau Dihadron production from dijets in electron-ion collisions has been shown to be a sensitive probe to the low-x gluon content of the nucleus. There are two leading dijet mechanisms in these collisions: QCD Compton scattering γ*+q --> q + g, and photon-gluon fusion γ*+g --> q + anti-q. It is the latter diagram that is directly sensitive to the gluon content of the target nucleus. Using DJANGOH simulations, we have studied several different ways to measure identified and unidentified charged tracks within the kinematic range of the future electron-ion collider detector that enhance the photon-gluon contributions to dihadron azimuthal correlations. We report those studies and give an outlook of the impact on our understanding of the low-x gluon content of the nucleus that acheivable with these future measurements. |
Sunday, April 16, 2023 9:42AM - 9:54AM |
F15.00005: TPOT Detector at sPHENIX: Design, Performance and Distortion Reconstruction Bade Sayki sPHENIX is the new heavy ion experiment at the Relativistic Heavy Ion Collider (RHIC) ring at Brookhaven National Laboratory (BNL). It is a state of the art detector studying the quark-gluon plasma (QGP), jets, heavy flavor physics and more through p+p, A+p and A+A collisions. The Time Projection Chamber Outer Tracker (TPOT) is a gas detector subsystem that sits between the Electromagnetic Calorimeter (EMCAL) and the Time Projection Chamber (TPC) at the sPHENIX experiment. It is a tracking detector made up of an array of eight Micromegas modules that aims to measure the distortions both static and dynamic to the electron drift in the TPC, alongside the other existing solutions in sPHENIX, to an accuracy better than 100um. Correcting for these distortions to such level of accuracy is mandatory for sPHENIX to reach its design performances in terms of momentum and invariant mass resolution, and complete its physics program. After introducing the sPHENIX detector, physics goals and the basics of the sPHENIX TPC, this talk will cover the design and performance of the TPOT detector, along with the other means implemented by sPHENIX to measure and correct for the distortions in the TPC. |
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