ALICE upgrades during the LHC Long Shutdown 2

A Large Ion Collider Experiment (ALICE) has been conceived and constructed as a heavy-ion experiment at the LHC. During LHC Runs 1 and 2, it has produced a wide range of physics results using all collision systems available at the LHC. In order to best exploit new physics opportunities opening up wi...

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Veröffentlicht in:	Journal of instrumentation 2024-05, Vol.19 (5), p.P05062
Hauptverfasser:	Agrawal, N., Aleksandrov, D., Alkin, A., Balbino, A., Banerjee, D., Barret, V., Bastid, N., Bauri, D., Bell Hechavarria, A.D.C., Bielčíková, J., Blidaru, M.B., Boldizsár, L., Brücken, E.J., Brucker, S., Bufalino, S., Cai, M., Caliva, A., Cariola, P., Ceballos Sanchez, C., Chartier, M., Chinellato, D.D., Cho, J., Colocci, M., Conesa del Valle, Z., Cruz-Torres, R., Danè, E., De Cilladi, L., Deb, R., Divià, R., Dumitrache, F., Fernández Téllez, A., Gago, A.M., Gajanana, D., Ghosh, C., Giacalone, M., Hassan, S., Hellbär, E., Herrera Corral, G., Herrmann, S., Hristov, P., Hughes, C., Jacazio, N., Jung, J., Kornakov, G., Kuriakose, R.K., La Pointe, S.L., Lombardo, L., Maire, A., Makariev, M.V., Malinina, L., Mal'Kevich, D., Mao, Y., Marín, A., Masera, M., Matonoha, O., Mazzilli, M., McAlpine, L., Munzer, R.H., Murray, S., Naik, B., Nappi, E., Nikulin, V., Nystrand, J., Ogino, M., Okorokov, V.A., Oliver, M.H., Patra, R.N., Pei, H., Petráček, V., Pinazza, O., Pompei, F., Ramirez, S.A.R., Rasa, M., Rasson, J., Redelbach, A.R., Ristea, C., Rogoschinski, T.S., Rosas, E.D., Russo, R., Saetre, J., Saramela, T.B., Sarkar, N., Sarti, V.M., Schmidt, M.O., Shaba, T.J., Singh, S., Sinha, T., Sitta, M., Slupecki, M., Tanaka, Y., Timmins, A.R., Toppi, M., Tork, T., Tymchuk, I., van Weelden, R.J.G., Vergara Urrutia, L.N., Zabloudil, V., Zanone, F., Závada, P., Zhalov, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Heavy ions Heavy-ion detectors Large detector systems for particle and astroparticle physics Large Hadron Collider OTHER INSTRUMENTATION Particle accelerators Physics Shutdowns
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Beschreibung
Zusammenfassung:	A Large Ion Collider Experiment (ALICE) has been conceived and constructed as a heavy-ion experiment at the LHC. During LHC Runs 1 and 2, it has produced a wide range of physics results using all collision systems available at the LHC. In order to best exploit new physics opportunities opening up with the upgraded LHC and new detector technologies, the experiment has undergone a major upgrade during the LHC Long Shutdown 2 (2019–2022). This comprises the move to continuous readout, the complete overhaul of core detectors, as well as a new online event processing farm with a redesigned online-offline software framework. These improvements will allow to record Pb-Pb collisions at rates up to 50 kHz, while ensuring sensitivity for signals without a triggerable signature.
ISSN:	1748-0221 1748-0221
DOI:	10.1088/1748-0221/19/05/P05062