Expression of Interest for the CODEX-b Detector
This document presents the physics case and ancillary studies for the proposed CODEX-b long-lived particle (LLP) detector, as well as for a smaller proof-of-concept demonstrator detector, CODEX-\(\beta\), to be operated during Run 3 of the LHC. Our development of the CODEX-b physics case synthesizes...
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| creator | Aielli, Giulio Ben-Haim, Eli Cardarelli, Roberto Charles, Matthew John Xabier Cid Vidal Coco, Victor Dey, Biplab Dumps, Raphael Evans, Jared A Gibbons, George Olivier Le Dortz Gligorov, Vladimir V Ilten, Philip Knapen, Simon Lee, Jongho Saul López Soliño Nachman, Benjamin Papucci, Michele Polci, Francesco Quessard, Robin Harikrishnan Ramani Robinson, Dean J Schindler, Heinrich Sokoloff, Michael D Swallow, Paul Vari, Riccardo Watson, Nigel Williams, Mike |
| description | This document presents the physics case and ancillary studies for the proposed CODEX-b long-lived particle (LLP) detector, as well as for a smaller proof-of-concept demonstrator detector, CODEX-\(\beta\), to be operated during Run 3 of the LHC. Our development of the CODEX-b physics case synthesizes `top-down' and `bottom-up' theoretical approaches, providing a detailed survey of both minimal and complete models featuring LLPs. Several of these models have not been studied previously, and for some others we amend studies from previous literature: In particular, for gluon and fermion-coupled axion-like particles. We moreover present updated simulations of expected backgrounds in CODEX-b's actively shielded environment, including the effects of shielding propagation uncertainties, high-energy tails and variation in the shielding design. Initial results are also included from a background measurement and calibration campaign. A design overview is presented for the CODEX-\(\beta\) demonstrator detector, which will enable background calibration and detector design studies. Finally, we lay out brief studies of various design drivers of the CODEX-b experiment and potential extensions of the baseline design, including the physics case for a calorimeter element, precision timing, event tagging within LHCb, and precision low-momentum tracking. |
| doi_str_mv | 10.48550/arxiv.1911.00481 |
| format | Article |
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| source | Freely Accessible Journals; arXiv.org |
| subjects | Calibration Computer simulation Fermions Gluons Large Hadron Collider Physics Physics - High Energy Physics - Experiment Physics - High Energy Physics - Phenomenology Sensors Shielding |
| title | Expression of Interest for the CODEX-b Detector |
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