The ALICE experiment at the CERN Large Hadron Collider (LHC) is a general-purpose heavy-ion detector designed to study the physics of strongly interacting matter and the quark-gluon plasma at extreme energy densities and temperatures in nucleus-nucleus collisions. It also investigates a range of other phenomena, including collisions with lighter ions, lower energy runs, and proton-nucleus collisions. ALICE is built by a collaboration of over 1000 physicists and engineers from 105 institutes in 30 countries. The detector has dimensions of 16 × 16 × 26 m³ and a total weight of approximately 10,000 tonnes. It consists of 18 different detector systems, each with its own specific technology and design, to provide high momentum resolution and excellent particle identification (PID) over a broad range of momenta. The most challenging design constraint is to handle the extreme particle multiplicity expected in central Pb-Pb collisions. The ALICE detector includes a central barrel with a tracking system, particle identification systems, electromagnetic calorimeters, and a forward muon spectrometer. The central part covers polar angles from 45° to 135° and is embedded in a large solenoid magnet. The detector also includes forward detectors such as the Zero Degree Calorimeter (ZDC), Photon Multiplicity Detector (PMD), Forward Multiplicity Detector (FMD), and V0 detector, which are used for global event characterization and triggering. The muon spectrometer is located at small angles and is used to measure the production of heavy-quark resonances. ALICE is designed to study physics at or close to midrapidity, where the lowest baryon density and maximum energy density are found. The detector has a large acceptance to cover particle decays, jet fragmentation, and to study variables on an event-by-event basis. The experiment is expected to collect data from heavy-ion collisions at the LHC, with a focus on jet physics, heavy flavour production, and particle identification. The detector is equipped with a high-level trigger system and a data acquisition system to handle the large data volumes and rare events. The ALICE collaboration includes physicists and engineers from around the world, and the detector is designed to provide comprehensive studies of hadrons, electrons, muons, and photons produced in heavy-ion collisions.The ALICE experiment at the CERN Large Hadron Collider (LHC) is a general-purpose heavy-ion detector designed to study the physics of strongly interacting matter and the quark-gluon plasma at extreme energy densities and temperatures in nucleus-nucleus collisions. It also investigates a range of other phenomena, including collisions with lighter ions, lower energy runs, and proton-nucleus collisions. ALICE is built by a collaboration of over 1000 physicists and engineers from 105 institutes in 30 countries. The detector has dimensions of 16 × 16 × 26 m³ and a total weight of approximately 10,000 tonnes. It consists of 18 different detector systems, each with its own specific technology and design, to provide high momentum resolution and excellent particle identification (PID) over a broad range of momenta. The most challenging design constraint is to handle the extreme particle multiplicity expected in central Pb-Pb collisions. The ALICE detector includes a central barrel with a tracking system, particle identification systems, electromagnetic calorimeters, and a forward muon spectrometer. The central part covers polar angles from 45° to 135° and is embedded in a large solenoid magnet. The detector also includes forward detectors such as the Zero Degree Calorimeter (ZDC), Photon Multiplicity Detector (PMD), Forward Multiplicity Detector (FMD), and V0 detector, which are used for global event characterization and triggering. The muon spectrometer is located at small angles and is used to measure the production of heavy-quark resonances. ALICE is designed to study physics at or close to midrapidity, where the lowest baryon density and maximum energy density are found. The detector has a large acceptance to cover particle decays, jet fragmentation, and to study variables on an event-by-event basis. The experiment is expected to collect data from heavy-ion collisions at the LHC, with a focus on jet physics, heavy flavour production, and particle identification. The detector is equipped with a high-level trigger system and a data acquisition system to handle the large data volumes and rare events. The ALICE collaboration includes physicists and engineers from around the world, and the detector is designed to provide comprehensive studies of hadrons, electrons, muons, and photons produced in heavy-ion collisions.