The International School for Advanced Studies (SISSA) was founded in 1978 and was the first institution in Italy to promote post-graduate courses leading to a Doctor Philosophiae (or PhD) degree. A centre of excellence among Italian and international universities, the school has around 65 teachers, 100 post docs and 245 PhD students, and is located in Trieste, in a campus of more than 10 hectares with wonderful views over the Gulf of Trieste.
SISSA hosts a very high-ranking, large and multidisciplinary scientific research output. The scientific papers produced by its researchers are published in high impact factor, well-known international journals, and in many cases in the world's most prestigious scientific journals such as Nature and Science. Over 900 students have so far started their careers in the field of mathematics, physics and neuroscience research at SISSA.
Paper
•
The following article is Open access
Centrality determination in heavy-ion collisions with the LHCb detector
R. Aaij32, C. Abellán Beteta50, T. Ackernley60, B. Adeva46, M. Adinolfi54, H. Afsharnia9, C.A. Aidala85, S. Aiola25, Z. Ajaltouni9, S. Akar65, J. Albrecht15, F. Alessio48, M. Alexander59, A. Alfonso Albero45, Z. Aliouche62, G. Alkhazov38, P. Alvarez Cartelle55, S. Amato2, Y. Amhis11, L. An48, L. Anderlini22, A. Andreianov38, M. Andreotti21, F. Archilli17, A. Artamonov44, M. Artuso68, K. Arzymatov42, E. Aslanides10, M. Atzeni50, B. Audurier12, S. Bachmann17, M. Bachmayer49, J.J. Back56, P. Baladron Rodriguez46, V. Balagura12, W. Baldini21, J. Baptista Leite1, R.J. Barlow62, S. Barsuk11, W. Barter61, M. Bartolini93,24, F. Baryshnikov82, J.M. Basels14, G. Bassi29, B. Batsukh68, A. Battig15, A. Bay49, M. Becker15, F. Bedeschi29, I. Bediaga1, A. Beiter68, V. Belavin42, S. Belin27, V. Bellee49, K. Belous44, I. Belov40, I. Belyaev41, G. Bencivenni23, E. Ben-Haim13, A. Berezhnoy40, R. Bernet50, D. Berninghoff17, H.C. Bernstein68, C. Bertella48, A. Bertolin28, C. Betancourt50, F. Betti48, Ia. Bezshyiko50, S. Bhasin54, J. Bhom35, L. Bian73, M.S. Bieker15, S. Bifani53, P. Billoir13, M. Birch61, F.C.R. Bishop55, A. Bitadze62, A. Bizzeti96,22, M. Bjørn63, M.P. Blago48, T. Blake56, F. Blanc49, S. Blusk68, D. Bobulska59, J.A. Boelhauve15, O. Boente Garcia46, T. Boettcher65, A. Boldyrev81, A. Bondar43, N. Bondar38,48, S. Borghi62, M. Borisyak42, M. Borsato17, J.T. Borsuk35, S.A. Bouchiba49, T.J.V. Bowcock60, A. Boyer48, C. Bozzi21, M.J. Bradley61, S. Braun66, A. Brea Rodriguez46, M. Brodski48, J. Brodzicka35, A. Brossa Gonzalo56, D. Brundu27, A. Buonaura50, C. Burr48, A. Bursche72, A. Butkevich39, J.S. Butter32, J. Buytaert48, W. Byczynski48, S. Cadeddu27, H. Cai73, R. Calabrese91,21, L. Calefice15,13, L. Calero Diaz23, S. Cali23, R. Calladine53, M. Calvi95,26, M. Calvo Gomez84, P. Camargo Magalhaes54, A. Camboni45,84, P. Campana23, A.F. Campoverde Quezada6, S. Capelli95,26, L. Capriotti89,20, A. Carbone89,20, G. Carboni31, R. Cardinale93,24, A. Cardini27, I. Carli4, P. Carniti95,26, L. Carus14, K. Carvalho Akiba32, A. Casais Vidal46, G. Casse60, M. Cattaneo48, G. Cavallero48, S. Celani49, J. Cerasoli10, A.J. Chadwick60, M.G. Chapman54, M. Charles13, Ph. Charpentier48, G. Chatzikonstantinidis53, C.A. Chavez Barajas60, M. Chefdeville8, C. Chen3, S. Chen4, A. Chernov35, V. Chobanova46, S. Cholak49, M. Chrzaszcz35, A. Chubykin38, V. Chulikov38, P. Ciambrone23, M.F. Cicala56, X. Cid Vidal46, G. Ciezarek48, P.E.L. Clarke58, M. Clemencic48, H.V. Cliff55, J. Closier48, J.L. Cobbledick62, V. Coco48, J.A.B. Coelho11, J. Cogan10, E. Cogneras9, L. Cojocariu37, P. Collins48, T. Colombo48, L. Congedo88,19, A. Contu27, N. Cooke53, G. Coombs59, G. Corti48, C.M. Costa Sobral56, B. Couturier48, D.C. Craik64, J. Crkovská67, M. Cruz Torres1, R. Currie58, C.L. Da Silva67, E. Dall'Occo15, J. Dalseno46, C. D'Ambrosio48, A. Danilina41, P. d'Argent48, A. Davis62, O. De Aguiar Francisco62, K. De Bruyn78, S. De Capua62, M. De Cian49, J.M. De Miranda1, L. De Paula2, M. De Serio88,19, D. De Simone50, P. De Simone23, J.A. de Vries79, C.T. Dean67, D. Decamp8, L. Del Buono13, B. Delaney55, H.-P. Dembinski15, A. Dendek34, V. Denysenko50, D. Derkach81, O. Deschamps9, F. Desse11, F. Dettori90,27, B. Dey73, P. Di Nezza23, S. Didenko82, L. Dieste Maronas46, H. Dijkstra48, V. Dobishuk52, A.M. Donohoe18, F. Dordei27, A.C. dos Reis1, L. Douglas59, A. Dovbnya51, A.G. Downes8, K. Dreimanis60, M.W. Dudek35, L. Dufour48, V. Duk77, P. Durante48, J.M. Durham67, D. Dutta62, A. Dziurda35, A. Dzyuba38, S. Easo57, U. Egede69, V. Egorychev41, S. Eidelman107,43, S. Eisenhardt58, S. Ek-In49, L. Eklund108,59, S. Ely68, A. Ene37, E. Epple67, S. Escher14, J. Eschle50, S. Esen13, T. Evans48, A. Falabella20, J. Fan3, Y. Fan6, B. Fang73, S. Farry60, D. Fazzini95,26, M. Féo48, A. Fernandez Prieto46, A.D. Fernez66, F. Ferrari89,20, L. Ferreira Lopes49, F. Ferreira Rodrigues2, S. Ferreres Sole32, M. Ferrillo50, M. Ferro-Luzzi48, S. Filippov39, R.A. Fini19, M. Fiorini91,21, M. Firlej34, K.M. Fischer63, D.S. Fitzgerald85, C. Fitzpatrick62, T. Fiutowski34, F. Fleuret12, M. Fontana13, F. Fontanelli93,24, R. Forty48, V. Franco Lima60, M. Franco Sevilla66, M. Frank48, E. Franzoso21, G. Frau17, C. Frei48, D.A. Friday59, J. Fu25, Q. Fuehring15, W. Funk48, E. Gabriel32, T. Gaintseva42, A. Gallas Torreira46, D. Galli89,20, S. Gambetta58,48, Y. Gan3, M. Gandelman2, P. Gandini25, Y. Gao5, M. Garau27, L.M. Garcia Martin56, P. Garcia Moreno45, J. García Pardiñas95,26, B. Garcia Plana46, F.A. Garcia Rosales12, L. Garrido45, C. Gaspar48, R.E. Geertsema32, D. Gerick17, L.L. Gerken15, E. Gersabeck62, M. Gersabeck62, T. Gershon56, D. Gerstel10, Ph. Ghez8, V. Gibson55, H.K. Giemza36, M. Giovannetti101,23, A. Gioventù46, P. Gironella Gironell45, L. Giubega37, C. Giugliano91,21,48, K. Gizdov58, E.L. Gkougkousis48, V.V. Gligorov13, C. Göbel70, E. Golobardes84, D. Golubkov41, A. Golutvin61,82, A. Gomes86,1, S. Gomez Fernandez45, F. Goncalves Abrantes63, M. Goncerz35, G. Gong3, P. Gorbounov41, I.V. Gorelov40, C. Gotti26, E. Govorkova48, J.P. Grabowski17, T. Grammatico13, L.A. Granado Cardoso48, E. Graugés45, E. Graverini49, G. Graziani22, A. Grecu37, L.M. Greeven32, P. Griffith91,21, L. Grillo62, S. Gromov82, B.R. Gruberg Cazon63, C. Gu3, M. Guarise21, P.A. Günther17, E. Gushchin39, A. Guth14, Y. Guz44, T. Gys48, T. Hadavizadeh69, G. Haefeli49, C. Haen48, J. Haimberger48, T. Halewood-leagas60, P.M. Hamilton66, Q. Han7, X. Han17, T.H. Hancock63, S. Hansmann-Menzemer17, N. Harnew63, T. Harrison60, C. Hasse48, M. Hatch48, J. He87,6, M. Hecker61, K. Heijhoff32, K. Heinicke15, A.M. Hennequin48, K. Hennessy60, L. Henry25,47, J. Heuel14, A. Hicheur2, D. Hill49, M. Hilton62, S.E. Hollitt15, J. Hu17, J. Hu72, W. Hu7, W. Huang6, X. Huang73, W. Hulsbergen32, R.J. Hunter56, M. Hushchyn81, D. Hutchcroft60, D. Hynds32, P. Ibis15, M. Idzik34, D. Ilin38, P. Ilten65, A. Inglessi38, A. Ishteev82, K. Ivshin38, R. Jacobsson48, S. Jakobsen48, E. Jans32, B.K. Jashal47, A. Jawahery66, V. Jevtic15, F. Jiang3, M. John63, D. Johnson48, C.R. Jones55, T.P. Jones56, B. Jost48, N. Jurik48, S. Kandybei51, Y. Kang3, M. Karacson48, M. Karpov81, F. Keizer48, M. Kenzie56, T. Ketel33, B. Khanji15, A. Kharisova83, S. Kholodenko44, T. Kirn14, V.S. Kirsebom49, O. Kitouni64, S. Klaver32, K. Klimaszewski36, S. Koliiev52, A. Kondybayeva82, A. Konoplyannikov41, P. Kopciewicz34, R. Kopecna17, P. Koppenburg32, M. Korolev40, I. Kostiuk32,52, O. Kot52, S. Kotriakhova21,38, P. Kravchenko38, L. Kravchuk39, R.D. Krawczyk48, M. Kreps56, F. Kress61, S. Kretzschmar14, P. Krokovny107,43, W. Krupa34, W. Krzemien36, W. Kucewicz105,35, M. Kucharczyk35, V. Kudryavtsev107,43, H.S. Kuindersma32,33, G.J. Kunde67, T. Kvaratskheliya41, D. Lacarrere48, G. Lafferty62, A. Lai27, A. Lampis27, D. Lancierini50, J.J. Lane62, R. Lane54, G. Lanfranchi23, C. Langenbruch14, J. Langer15, O. Lantwin50, T. Latham56, F. Lazzari102,29, R. Le Gac10, S.H. Lee85, R. Lefèvre9, A. Leflat40, S. Legotin82, O. Leroy10, T. Lesiak35, B. Leverington17, H. Li72, L. Li63, P. Li17, S. Li7, Y. Li4, Y. Li4, Z. Li68, X. Liang68, T. Lin61, R. Lindner48, V. Lisovskyi15, R. Litvinov27, G. Liu72, H. Liu6, S. Liu4, X. Liu3, A. Loi27, J. Lomba Castro46, I. Longstaff59, J.H. Lopes2, G.H. Lovell55, Y. Lu4, D. Lucchesi97,28, S. Luchuk39, M. Lucio Martinez32, V. Lukashenko32,52, Y. Luo3, A. Lupato62, E. Luppi91,21, O. Lupton56, A. Lusiani98,29, X. Lyu6, L. Ma4, R. Ma6, S. Maccolini89,20, F. Machefert11, F. Maciuc37, V. Macko49, P. Mackowiak15, S. Maddrell-Mander54, O. Madejczyk34, L.R. Madhan Mohan54, O. Maev38, A. Maevskiy81, D. Maisuzenko38, M.W. Majewski34, J.J. Malczewski35, S. Malde63, B. Malecki48, A. Malinin80, T. Maltsev107,43, H. Malygina17, G. Manca90,27, G. Mancinelli10, D. Manuzzi89,20, D. Marangotto94,25, J. Maratas104,9, J.F. Marchand8, U. Marconi20, S. Mariani92,22, C. Marin Benito48, M. Marinangeli49, J. Marks17, A.M. Marshall54, P.J. Marshall60, G. Martellotti30, L. Martinazzoli95,48, M. Martinelli95,26, D. Martinez Santos46, F. Martinez Vidal47, A. Massafferri1, M. Materok14, R. Matev48, A. Mathad50, Z. Mathe48, V. Matiunin41, C. Matteuzzi26, K.R. Mattioli85, A. Mauri32, E. Maurice12, J. Mauricio45, M. Mazurek48, M. McCann61, L. Mcconnell18, T.H. Mcgrath62, A. McNab62, R. McNulty18, J.V. Mead60, B. Meadows65, C. Meaux10, G. Meier15, N. Meinert76, D. Melnychuk36, S. Meloni95,26, M. Merk32,79, A. Merli25, L. Meyer Garcia2, M. Mikhasenko48, D.A. Milanes74, E. Millard56, M. Milovanovic48, M.-N. Minard8, A. Minotti21, L. Minzoni91,21, S.E. Mitchell58, B. Mitreska62, D.S. Mitzel48, A. Mödden15, R.A. Mohammed63, R.D. Moise61, T. Mombächer15, I.A. Monroy74, S. Monteil9, M. Morandin28, G. Morello23, M.J. Morello98,29, J. Moron34, A.B. Morris75, A.G. Morris56, R. Mountain68, H. Mu3, F. Muheim58,48, M. Mulder48, D. Müller48, K. Müller50, C.H. Murphy63, D. Murray62, P. Muzzetto27,48, P. Naik54, T. Nakada49, R. Nandakumar57, T. Nanut49, I. Nasteva2, M. Needham58, I. Neri21, N. Neri94,25, S. Neubert75, N. Neufeld48, R. Newcombe61, T.D. Nguyen49, C. Nguyen-Mau109,49, E.M. Niel11, S. Nieswand14, N. Nikitin40, N.S. Nolte15, C. Nunez85, A. Oblakowska-Mucha34, V. Obraztsov44, D.P. O'Hanlon54, R. Oldeman90,27, M.E. Olivares68, C.J.G. Onderwater78, A. Ossowska35, J.M. Otalora Goicochea2, T. Ovsiannikova41, P. Owen50, A. Oyanguren47, B. Pagare56, P.R. Pais48, T. Pajero63, A. Palano19, M. Palutan23, Y. Pan62, G. Panshin83, A. Papanestis57, M. Pappagallo88,19, L.L. Pappalardo91,21, C. Pappenheimer65, W. Parker66, C. Parkes62, C.J. Parkinson46, B. Passalacqua21, G. Passaleva22, A. Pastore19, M. Patel61, C. Patrignani89,20, C.J. Pawley79, A. Pearce48, A. Pellegrino32, M. Pepe Altarelli48, S. Perazzini20, D. Pereima41, P. Perret9, M. Petric59,48, K. Petridis54, A. Petrolini93,24, A. Petrov80, S. Petrucci58, M. Petruzzo25, T.T.H. Pham68, A. Philippov42, L. Pica98,29, M. Piccini77, B. Pietrzyk8, G. Pietrzyk49, M. Pili63, D. Pinci30, F. Pisani48, P.K. Resmi10, V. Placinta37, J. Plews53, M. Plo Casasus46, F. Polci13, M. Poli Lener23, M. Poliakova68, A. Poluektov10, N. Polukhina106,82, I. Polyakov68, E. Polycarpo2, G.J. Pomery54, S. Ponce48, D. Popov6,48, S. Popov42, S. Poslavskii44, K. Prasanth35, L. Promberger48, C. Prouve46, V. Pugatch52, H. Pullen63, G. Punzi99,29, W. Qian6, J. Qin6, R. Quagliani13, B. Quintana8, N.V. Raab18, R.I. Rabadan Trejo10, B. Rachwal34, J.H. Rademacker54, M. Rama29, M. Ramos Pernas56, M.S. Rangel2, F. Ratnikov42,81, G. Raven33, M. Reboud8, F. Redi49, F. Reiss62, C. Remon Alepuz47, Z. Ren3, V. Renaudin63, R. Ribatti29, S. Ricciardi57, K. Rinnert60, P. Robbe11, G. Robertson58, A.B. Rodrigues49, E. Rodrigues60, J.A. Rodriguez Lopez74, A. Rollings63, P. Roloff48, V. Romanovskiy44, M. Romero Lamas46, A. Romero Vidal46, J.D. Roth85, M. Rotondo23, M.S. Rudolph68, T. Ruf48, J. Ruiz Vidal47, A. Ryzhikov81, J. Ryzka34, J.J. Saborido Silva46, N. Sagidova38, N. Sahoo56, B. Saitta90,27, M. Salomoni48, C. Sanchez Gras32, R. Santacesaria30, C. Santamarina Rios46, M. Santimaria23, E. Santovetti101,31, D. Saranin82, G. Sarpis14, M. Sarpis75, A. Sarti30, C. Satriano100,30, A. Satta31, M. Saur15, D. Savrina41,40, H. Sazak9, L.G. Scantlebury Smead63, S. Schael14, M. Schellenberg15, M. Schiller59, H. Schindler48, M. Schmelling16, B. Schmidt48, O. Schneider49, A. Schopper48, M. Schubiger32, S. Schulte49, M.H. Schune11, R. Schwemmer48, B. Sciascia23, S. Sellam46, A. Semennikov41, M. Senghi Soares33, A. Sergi93,24, N. Serra50, L. Sestini28, A. Seuthe15, P. Seyfert48, Y. Shang5, D.M. Shangase85, M. Shapkin44, I. Shchemerov82, L. Shchutska49, T. Shears60, L. Shekhtman107,43, Z. Shen5, V. Shevchenko80, E.B. Shields95,26, E. Shmanin82, J.D. Shupperd68, B.G. Siddi21, R. Silva Coutinho50, G. Simi28, S. Simone88,19, N. Skidmore62, T. Skwarnicki68, M.W. Slater53, I. Slazyk91,21, J.C. Smallwood63, J.G. Smeaton55, A. Smetkina41, E. Smith50, M. Smith61, A. Snoch32, M. Soares20, L. Soares Lavra9, M.D. Sokoloff65, F.J.P. Soler59, A. Solovev38, I. Solovyev38, F.L. Souza De Almeida2, B. Souza De Paula2, B. Spaan15, E. Spadaro Norella94,25, P. Spradlin59, F. Stagni48, M. Stahl65, S. Stahl48, P. Stefko49, O. Steinkamp50,82, O. Stenyakin44, H. Stevens15, S. Stone68,48, M.E. Stramaglia49, M. Straticiuc37, D. Strekalina82, F. Suljik63, J. Sun27, L. Sun73, Y. Sun66, P. Svihra62, P.N. Swallow53, K. Swientek34, A. Szabelski36, T. Szumlak34, M. Szymanski48, S. Taneja62, F. Teubert48, E. Thomas48, K.A. Thomson60, V. Tisserand9, S. T'Jampens8, M. Tobin4, L. Tomassetti91,21, D. Torres Machado1, D.Y. Tou13, M.T. Tran49, E. Trifonova82, C. Trippl49, G. Tuci99,29, A. Tully49, N. Tuning32,48, A. Ukleja36, D.J. Unverzagt17, E. Ursov82, A. Usachov32, A. Ustyuzhanin42,81, U. Uwer17, A. Vagner83, V. Vagnoni20, A. Valassi48, G. Valenti20, N. Valls Canudas84, M. van Beuzekom32, M. Van Dijk49, E. van Herwijnen82, C.B. Van Hulse18, M. van Veghel78, R. Vazquez Gomez46, P. Vazquez Regueiro46, C. Vázquez Sierra48, S. Vecchi21, J.J. Velthuis54, M. Veltri103,22, A. Venkateswaran68, M. Veronesi32, M. Vesterinen56, D. Vieira65, M. Vieites Diaz49, H. Viemann76, X. Vilasis-Cardona84, E. Vilella Figueras60, P. Vincent13, D. Vom Bruch10, A. Vorobyev38, V. Vorobyev107,43, N. Voropaev38, R. Waldi17, J. Walsh29, C. Wang17, J. Wang5, J. Wang4, J. Wang3, J. Wang73, M. Wang3, R. Wang54, Y. Wang7, Z. Wang50, Z. Wang3, H.M. Wark60, N.K. Watson53, S.G. Weber13, D. Websdale61, C. Weisser64, B.D.C. Westhenry54, D.J. White62, M. Whitehead54, D. Wiedner15, G. Wilkinson63, M. Wilkinson68, I. Williams55, M. Williams64, M.R.J. Williams58, F.F. Wilson57, W. Wislicki36, M. Witek35, L. Witola17, G. Wormser11, S.A. Wotton55, H. Wu68, K. Wyllie48, Z. Xiang6, D. Xiao7, Y. Xie7, A. Xu5, J. Xu6, L. Xu3, M. Xu7, Q. Xu6, Z. Xu5, Z. Xu6, D. Yang3, S. Yang6, Y. Yang6, Z. Yang3, Z. Yang66, Y. Yao68, L.E. Yeomans60, H. Yin7, J. Yu71, X. Yuan68, O. Yushchenko44, E. Zaffaroni49, M. Zavertyaev106,16, M. Zdybal35, O. Zenaiev48, M. Zeng3, D. Zhang7, L. Zhang3, S. Zhang5, Y. Zhang5, Y. Zhang63, A. Zhelezov17, Y. Zheng6, X. Zhou6, Y. Zhou6, X. Zhu3, Z. Zhu6, V. Zhukov14,40, J.B. Zonneveld58, Q. Zou4, S. Zucchelli89,20, D. Zuliani28, G. Zunica62 and The LHCb collaboration
18 School of Physics, University College Dublin, Dublin, Ireland
19 INFN Sezione di Bari, Bari, Italy
20 INFN Sezione di Bologna, Bologna, Italy
21 INFN Sezione di Ferrara, Ferrara, Italy
22 INFN Sezione di Firenze, Firenze, Italy
23 INFN Laboratori Nazionali di Frascati, Frascati, Italy
24 INFN Sezione di Genova, Genova, Italy
25 INFN Sezione di Milano, Milano, Italy
26 INFN Sezione di Milano-Bicocca, Milano, Italy
27 INFN Sezione di Cagliari, Monserrato, Italy
28 Universita degli Studi di Padova, Universita e INFN, Padova, Padova, Italy
29 INFN Sezione di Pisa, Pisa, Italy
30 INFN Sezione di Roma La Sapienza, Roma, Italy
31 INFN Sezione di Roma Tor Vergata, Roma, Italy
32 Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands
33 Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, Netherlands
34 AGH — University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland
35 Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland
36 National Center for Nuclear Research (NCBJ), Warsaw, Poland
37 Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania
38 Petersburg Nuclear Physics Institute NRC Kurchatov Institute (PNPI NRC KI), Gatchina, Russia
39 Institute for Nuclear Research of the Russian Academy of Sciences (INR RAS), Moscow, Russia
40 Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russia
41 Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia
42 Yandex School of Data Analysis, Moscow, Russia
43 Budker Institute of Nuclear Physics (SB RAS), Novosibirsk, Russia
44 Institute for High Energy Physics NRC Kurchatov Institute (IHEP NRC KI), Protvino, Russia, Protvino, Russia
45 ICCUB, Universitat de Barcelona, Barcelona, Spain
46 Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
47 Instituto de Fisica Corpuscular, Centro Mixto Universidad de Valencia — CSIC, Valencia, Spain
48 European Organization for Nuclear Research (CERN), Geneva, Switzerland
49 Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
50 Physik-Institut, Universität Zürich, Zürich, Switzerland
51 NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine
52 Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine
53 University of Birmingham, Birmingham, United Kingdom
54 H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom
55 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom
56 Department of Physics, University of Warwick, Coventry, United Kingdom
57 STFC Rutherford Appleton Laboratory, Didcot, United Kingdom
58 School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom
59 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
60 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom
61 Imperial College London, London, United Kingdom
62 Department of Physics and Astronomy, University of Manchester, Manchester, United Kingdom
63 Department of Physics, University of Oxford, Oxford, United Kingdom
64 Massachusetts Institute of Technology, Cambridge, MA, United States
65 University of Cincinnati, Cincinnati, OH, United States
66 University of Maryland, College Park, MD, United States
67 Los Alamos National Laboratory (LANL), Los Alamos, United States
68 Syracuse University, Syracuse, NY, United States
69 School of Physics and Astronomy, Monash University, Melbourne, Australia, associated to 56
70 Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil, associated to 2
71 Physics and Micro Electronic College, Hunan University, Changsha City, China, associated to 7
72 Guangdong Provincial Key Laboratory of Nuclear Science, Guangdong-Hong Kong Joint Laboratory of Quantum Matter, Institute of Quantum Matter, South China Normal University, Guangzhou, China, associated to 3
73 School of Physics and Technology, Wuhan University, Wuhan, China, associated to 3
74 Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia, associated to 13
75 Universität Bonn — Helmholtz-Institut für Strahlen und Kernphysik, Bonn, Germany, associated to 17
76 Institut für Physik, Universität Rostock, Rostock, Germany, associated to 17
77 INFN Sezione di Perugia, Perugia, Italy, associated to 21
78 Van Swinderen Institute, University of Groningen, Groningen, Netherlands, associated to 32
79 Universiteit Maastricht, Maastricht, Netherlands, associated to 32
80 National Research Centre Kurchatov Institute, Moscow, Russia, associated to 41
81 National Research University Higher School of Economics, Moscow, Russia, associated to 42
82 National University of Science and Technology "MISIS", Moscow, Russia, associated to 41
83 National Research Tomsk Polytechnic University, Tomsk, Russia, associated to 41
84 DS4DS, La Salle, Universitat Ramon Llull, Barcelona, Spain, associated to 45
85 University of Michigan, Ann Arbor, United States, associated to 68
Author notes
86 Universidade Federal do Triângulo Mineiro (UFTM), Uberaba-MG, Brazil
87 Hangzhou Institute for Advanced Study, UCAS, Hangzhou, China
88 Università di Bari, Bari, Italy
89 Università di Bologna, Bologna, Italy
90 Università di Cagliari, Cagliari, Italy
91 Università di Ferrara, Ferrara, Italy
92 Università di Firenze, Firenze, Italy
93 Università di Genova, Genova, Italy
94 Università degli Studi di Milano, Milano, Italy
95 Università di Milano Bicocca, Milano, Italy
96 Università di Modena e Reggio Emilia, Modena, Italy
97 Università di Padova, Padova, Italy
98 Scuola Normale Superiore, Pisa, Italy
99 Università di Pisa, Pisa, Italy
100 Università della Basilicata, Potenza, Italy
101 Università di Roma Tor Vergata, Roma, Italy
102 Università di Siena, Siena, Italy
103 Università di Urbino, Urbino, Italy
104 MSU — Iligan Institute of Technology (MSU-IIT), Iligan, Philippines
105 AGH — University of Science and Technology, Faculty of Computer Science, Electronics and Telecommunications, Kraków, Poland
106 P.N. Lebedev Physical Institute, Russian Academy of Science (LPI RAS), Moscow, Russia
107 Novosibirsk State University, Novosibirsk, Russia
108 Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden
The centrality of heavy-ion collisions is directly related to the created medium in these interactions. A procedure to determine the centrality of collisions with the LHCb detector is implemented for lead-lead collisions at √sNN = 5 TeV and lead-neon fixed-target collisions at √sNN = 69 GeV. The energy deposits in the electromagnetic calorimeter are used to determine and define the centrality classes. The correspondence between the number of participants and the centrality for the lead-lead collisions is in good agreement with the correspondence found in other experiments, and the centrality measurements for the lead-neon collisions presented here are performed for the first time in fixed-target collisions at the LHC.
Published by IOP Publishing Ltd on behalf of Sissa Medialab. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Corrections were made to this article on 15 January 2024. The author list was updated in the HTML version to match the PDF.