| Article | |
| Title | The forward calorimeter of the ALICE experiment at CERN LHC |
| Author(s) | Simeonov, Radoslav (Sofia U. (main)) |
| Collaboration | ALICE Collaboration |
| Publication | 2023 |
| Number of pages | 6 |
| In: | J. Phys. : Conf. Ser. 2668 (2023) 012007 |
| In: | National Forum on Contemporary Space Research (NaFSKI 2022), Sofia, Bulgaria, 10 - 12 Nov 2022, pp.012007 |
| DOI | 10.1088/1742-6596/2668/1/012007 |
| Subject category | Detectors and Experimental Techniques |
| Accelerator/Facility, Experiment | CERN LHC ; ALICE |
| Abstract | A new forward calorimeter (FoCal), covering the pseudorapidity range 3.4 ≤ η ≤ 5.8, is proposed in order to extend the physics reach of ALICE during the LHC Run 4. The FoCal comprises a high-granularity electromagnetic calorimeter with silicon pixel and pad readout as well as a hadronic calorimeter. FoCal gives access to the nuclear gluon densities down to Bjorken-x ∼ 10$^{−6}$, where they are not constrained by other measurements and their evolution may be affected by non-linear effects of quantum chromodynamics. The hadronic subsystem of FoCal (FoCal-H) will be based on capillary copper tubes with scintillating fibers inside. A full-length prototype was assembled and it was exposed to a non-separated charged particle beam in the H2 SPS CERN beamline in November 2022. An energy scan from 60 to 350 GeV was performed and the reconstructed signals are processed in a custom developed ROOT based environment. The design of the 2022 prototype as well as the first results from the energy reconstruction are presented. |
| Copyright/License | CC-BY-3.0 |
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