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19 April 2024 |
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Article overview
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Expression of Interest for the CODEX-b Detector | | Giulio Aielli
; Roberto Cardarelli
; Matthew John Charles
; Xabier Cid Vidal
; Victor Coco
; Biplab Dey
; Raphael Dumps
; Jared A. Evans
; George Gibbons
; Olivier Le Dortz
; Vladimir V. Gligorov
; Eli Ben Haim
; Philip Ilten
; Simon Knapen
; Jongho Lee
; Saul López Soliño
; Benjamin Nachman
; Michele Papucci
; Francesco Polci
; Robin Quessard
; Harikrishnan Ramani
; Dean J. Robinson
; Heinrich Schindler
; Michael D. Sokoloff
; Paul Swallow
; Riccardo Vari
; Nigel Watson
; Mike Williams
; | | Date: |
1 Nov 2019 | | Abstract: | 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-$eta$, 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
post-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-$eta$ 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. | | Source: | arXiv, 1911.0481 | | Services: | Forum | Review | PDF | Favorites | |
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