LHCb CollaborationAaij, R.Abellan Beteta, C.Ackernley, T.Adeva, B.Adinolfi, M.Afsharnia, H.Aidala, C. A.Aiola, S.Ajaltouni, Z.Akar, S.Albrecht, J.Alessio, F.Alexander, M.Alfonso Albero, A.Aliouche, Z.Alkhazov, G.Alvarez Cartelle, P.Amato, S.Amhis, Y.An, L.Anderlini, L.Andreianov, A.Andreotti, M.Archilli, F.Artamonov, A.Artuso, M.Arzymatov, K.Aslanides, E.Atzeni, M.Audurier, B.Bachmann, S.Bachmayer, M.Back, J. J.Baker, S.Baladron Rodriguez, P.Balagura, VBaldini, W.Baptista Leite, J.Barlow, R. J.Barsuk, S.Barter, W.Bartolini, M.Baryshnikov, F.Basels, J. M.Bassi, G.Batsukh, B.Battig, A.Bay, A.Becker, M.Bedeschi, F.Bediaga, IBeiter, A.Belavin, VBelin, S.Bellee, VBelous, K.Belov, IBelyaev, IBencivenni, G.Ben-Haim, E.Berezhnoy, A.Bernet, R.Berninghoff, D.Bernstein, H. C.Bertella, C.Bertolin, A.Betancourt, C.Betti, F.Bezshyiko, IaBhasin, S.Bhom, J.Bian, L.Bieker, M. S.Bifani, S.Billoir, P.Birch, M.Bishop, F. C. R.Bitadze, A.Bizzeti, A.Bjorn, M.Blago, M. P.Blake, T.Blanc, F.Blusk, S.Bobulska, D.Boelhauve, J. A.Boente Garcia, O.Boettcher, T.Boldyrev, A.Bondar, A.Bondar, N.Borghi, S.Borisyak, M.Borsato, M.Borsuk, J. T.Bouchiba, S. A.Bowcock, T. J., VBoyer, A.Bozzi, C.Bradley, M. J.Braun, S.Brea Rodriguez, A.Brodski, M.Brodzicka, J.Brossa Gonzalo, A.Brundu, D.Buonaura, A.Burr, C.Bursche, A.Butkevich, A.Butter, J. S.Buytaert, J.Byczynski, W.Cadeddu, S.Cai, H.Calabrese, R.Calefice, L.Calero Diaz, L.Cali, S.Calladine, R.Calvi, M.Calvo Gomez, M.Camargo Magalhaes, P.Camboni, A.Campana, P.Campoverde Quezada, A. F.Capelli, S.Capriotti, L.Carbone, A.Carboni, G.Cardinale, R.Cardini, A.Carli, ICarniti, P.Carus, L.Carvalho Akiba, K.Casais Vidal, A.Casse, G.Cattaneo, M.Cavallero, G.Celani, S.Cerasoli, J.Chadwick, A. J.Chapman, M. G.Charles, M.Charpentier, PhChatzikonstantinidis, G.Chavez Barajas, C. A.Chefdeville, M.Chen, C.Chen, S.Chernov, A.Chobanova, VCholak, S.Chrzaszcz, M.Chubykin, A.Chulikov, VCiambrone, P.Cicala, M. F.Vidal, X. CidCiezarek, G.Clarke, P. E. L.Clemencic, M.Cliff, H., VClosier, J.Cobbledick, J. L.Coco, VCoelho, J. A. B.Cogan, J.Cogneras, E.Cojocariu, L.Collins, P.Colombo, T.Congedo, L.Contu, A.Cooke, N.Coombs, G.Corti, G.Costa Sobral, C. M.Couturier, B.Craik, D. C.Crkovska, J.Cruz Torres, M.Currie, R.Da Silva, C. L.Dall'Occo, E.Dalseno, J.D'Ambrosio, C.Danilina, A.d'Argent, P.Davis, A.De Aguiar Francisco, O.De Bruyn, K.De Capua, S.De Cian, M.De Miranda, J. M.De Paula, L.De Serio, M.De Simone, D.De Simone, P.de Vries, J. A.Dean, C. T.Decamp, D.Del Buono, L.Delaney, B.Dembinski, H-PDendek, A.Denysenko, VDerkach, D.Deschamps, O.Desse, F.Dettori, F.Dey, B.Di Nezza, P.Didenko, S.Dieste Maronas, L.Dijkstra, H.Dobishuk, VDonohoe, A. M.Dordei, F.dos Reis, A. C.Douglas, L.Dovbnya, A.Downes, A. G.Dreimanis, K.Dudek, M. W.Dufour, L.Duk, VDurante, P.Durham, J. M.Dutta, D.Dziewiecki, M.Dziurda, A.Dzyuba, A.Easo, S.Egede, U.Egorychev, VEidelman, S.Eisenhardt, S.Ek-In, S.Eklund, L.Ely, S.Ene, A.Epple, E.Escher, S.Eschle, J.Esen, S.Evans, T.Falabella, A.Fan, J.Fan, Y.Fang, B.Farry, S.Fazzini, D.Fedin, P.Feo, M.Declara, P. FernandezFernandez Prieto, A.Fernandez-tenllado Arribas, J. M.Ferrari, F.Lopes, L. FerreiraRodrigues, F. FerreiraSole, S. FerreresFerrillo, M.Ferro-Luzzi, M.Filippov, S.Fini, R. A.Fiorini, M.Firlej, M.Fischer, K. M.Fitzpatrick, C.Fiutowski, T.Fleuret, F.Fontana, M.Fontanelli, F.Forty, R.Lima, V. FrancoSevilla, M. FrancoFrank, M.Franzoso, E.Frau, G.Frei, C.Friday, D. A.Fu, J.Fuehring, Q.Funk, W.Gabriel, E.Gaintseva, T.Torreira, A. GallasGalli, D.Gambetta, S.Gan, Y.Gandelman, M.Gandini, P.Gao, Y.Garau, M.Martin, L. M. GarciaGarcia Moreno, P.Garcia Pardinas, J.Garcia Plana, B.Garcia Rosales, F. A.Garrido, L.Gaspar, C.Geertsema, R. E.Gerick, D.Gerken, L. L.Gersabeck, E.Gersabeck, M.Gershon, T.Gerstel, D.Ghez, PhGibson, VGiemza, H. K.Giovannetti, M.Gioventu, A.Gironella Gironell, P.Giubega, L.Giugliano, C.Gizdov, K.Gkougkousis, E. L.Gligorov, V. V.Gobel, C.Golobardes, E.Golubkov, D.Golutvin, A.Gomes, A.Gomez Fernandez, S.Goncalves Abrantes, F.Goncerz, M.Gong, G.Gorbounov, P.Gorelov, I., VGotti, C.Govorkova, E.Grabowski, J. P.Graciani Diaz, R.Grammatico, T.Cardoso, L. A. GranadoGrauges, E.Graverini, E.Graziani, G.Grecu, A.Greeven, L. M.Griffith, P.Grillo, L.Gromov, S.Cazon, B. R. GrubergGu, C.Guarise, M.Guenther, P. A.Gushchin, E.Guth, A.Guz, Y.Gys, T.Hadavizadeh, T.Haefeli, G.Haen, C.Haimberger, J.Halewood-leagas, T.Hamilton, P. M.Han, Q.Han, X.Hancock, T. H.Hansmann-Menzemer, S.Harnew, N.Harrison, T.Hasse, C.Hatch, M.He, J.Hecker, M.Heijhoff, K.Heinicke, K.Hennequin, A. M.Hennessy, K.Henry, L.Heuel, J.Hicheur, A.Hill, D.Hilton, M.Hollitt, S. E.Hu, J.Hu, W.Huang, W.Huang, X.Hulsbergen, W.Hunter, R. J.Hushchyn, M.Hutchcroft, D.Hynds, D.Ibis, P.Idzik, M.Ilin, D.Ilten, P.Inglessi, A.Ishteev, A.Ivshin, K.Jacobsson, R.Jakobsen, S.Jans, E.Jashal, B. K.Jawahery, A.Jevtic, VJezabek, M.Jiang, F.John, M.Johnson, D.Jones, C. R.Jones, T. P.Jost, B.Jurik, N.Kandybei, S.Kang, Y.Karacson, M.Karpov, M.Kazeev, N.Keizer, F.Kenzie, M.Ketel, T.Khanji, B.Kharisova, A.Kholodenko, S.Kim, K. E.Kirn, T.Kirsebom, V. S.Kitouni, O.Klaver, S.Klimaszewski, K.Koliiev, S.Kondybayeva, A.Konoplyannikov, A.Kopciewicz, P.Kopecna, R.Koppenburg, P.Korolev, M.Kostiuk, IKot, O.Kotriakhova, S.Kravchenko, P.Kravchuk, L.Krawczyk, R. D.Kreps, M.Kress, F.Kretzschmar, S.Krokovny, P.Krupa, W.Krzemien, W.Kucewicz, W.Kucharczyk, M.Kudryavtsev, VKuindersma, H. S.Kunde, G. J.Kvaratskheliya, T.Lacarrere, D.Lafferty, G.Lai, A.Lampis, A.Lancierini, D.Lane, J. J.Lane, R.Lanfranchi, G.Langenbruch, C.Langer, J.Lantwin, O.Latham, T.Lazzari, F.Le Gac, R.Lee, S. H.Lefevre, R.Leflat, A.Legotin, S.Leroy, O.Lesiak, T.Leverington, B.Li, H.Li, L.Li, P.Li, Y.Li, Z.Liang, X.Lin, T.Lindner, R.Lisovskyi, VLitvinov, R.Liu, G.Liu, H.Liu, S.Liu, X.Loi, A.Lomba Castro, J.Longstaff, ILopes, J. H.Lovell, G. H.Lu, Y.Lucchesi, D.Luchuk, S.Lucio Martinez, M.Lukashenko, VLuo, Y.Lupato, A.Luppi, E.Lupton, O.Lusiani, A.Lyu, X.Ma, L.Ma, R.Maccolini, S.Machefert, F.Maciuc, F.Macko, VMackowiak, P.Maddrell-Mander, S.Madejczyk, O.Mohan, L. R. MadhanMaev, O.Maevskiy, A.Maisuzenko, D.Majewski, M. W.Malczewski, J. J.Malde, S.Malecki, B.Malinin, A.Maltsev, T.Malygina, H.Manca, G.Mancinelli, G.Manera Escalero, R.Manuzzi, D.Marangotto, D.Maratas, J.Marchand, J. F.Marconi, U.Mariani, S.Benito, C. MarinMarinangeli, M.Marino, P.Marks, J.Marshall, P. J.Martellotti, G.Martinazzoli, L.Martinelli, M.Martinez Santos, D.Martinez Vidal, F.Massafferri, A.Materok, M.Matev, R.Mathad, A.Mathe, Z.Matiunin, VMatteuzzi, C.Mattioli, K. R.Mauri, A.Maurice, E.Mauricio, J.Mazurek, M.McCann, M.Mcconnell, L.Mcgrath, T. H.McNab, A.McNulty, R.Mead, J., VMeadows, B.Meaux, C.Meier, G.Meinert, N.Melnychuk, D.Meloni, S.Merk, M.Merli, A.Meyer Garcia, L.Mikhasenko, M.Milanes, D. A.Millard, E.Milovanovic, M.Minard, M-NMinzoni, L.Mitchell, S. E.Mitreska, B.Mitzel, D. S.Moedden, A.Mohammed, R. A.Moise, R. D.Mombaecher, T.Monroy, I. A.Monteil, S.Morandin, M.Morello, G.Morello, M. J.Moron, J.Morris, A. B.Morris, A. G.Mountain, R.Mu, H.Muheim, F.Mukherjee, M.Mulder, M.Mueller, D.Mueller, K.Murphy, C. H.Murray, D.Muzzetto, P.Naik, P.Nakada, T.Nandakumar, R.Nanut, T.Nasteva, INeedham, M.Neri, INeri, N.Neubert, S.Neufeld, N.Newcombe, R.Nguyen, T. D.Nguyen-Mau, C.Niel, E. M.Nieswand, S.Nikitin, N.Nolte, N. S.Nunez, C.Oblakowska-Mucha, A.Obraztsov, VO'Hanlon, D. P.Oldeman, R.Olivares, M. E.Onderwater, C. J. G.Ossowska, A.Otalora Goicochea, J. M.Ovsiannikova, T.Owen, P.Oyanguren, A.Pagare, B.Pais, P. R.Pajero, T.Palano, A.Palutan, M.Pan, Y.Panshin, G.Papanestis, A.Pappagallo, M.Pappalardo, L. L.Pappenheimer, C.Parker, W.Parkes, C.Parkinson, C. J.Passalacqua, B.Passaleva, G.Pastore, A.Patel, M.Patrignani, C.Pawley, C. J.Pearce, A.Pellegrino, A.Altarelli, M. PepePerazzini, S.Pereima, D.Perret, P.Petridis, K.Petrolini, A.Petrov, A.Petrucci, S.Petruzzo, M.Pham, T. T. H.Philippov, A.Pica, L.Piccini, M.Pietrzyk, B.Pietrzyk, G.Pili, M.Pinci, D.Pisani, F.Piucci, A.Resmi, P. K.Placinta, VPlews, J.Casasus, M. PloPolci, F.Lener, M. PoliPoliakova, M.Poluektov, A.Polukhina, N.Polyakov, IPolycarpo, E.Pomery, G. J.Ponce, S.Popov, D.Popov, S.Poslavskii, S.Prasanth, K.Promberger, L.Prouve, C.Pugatch, VPullen, H.Punzi, G.Qian, W.Qin, J.Quagliani, R.Quintana, B.Raab, N., VTrejo, R. I. RabadanRachwal, B.Rademacker, J. H.Rama, M.Pernas, M. RamosRangel, M. S.Ratnikov, F.Raven, G.Reboud, M.Redi, F.Reiss, F.Remon Alepuz, C.Ren, Z.Renaudin, VRibatti, R.Ricciardi, S.Rinnert, K.Robbe, P.Robert, A.Robertson, G.Rodrigues, A. B.Rodrigues, E.Lopez, J. A. RodriguezRollings, A.Roloff, P.Romanovskiy, VRomero Lamas, M.Romero Vidal, A.Roth, J. D.Rotondo, M.Rudolph, M. S.Ruf, T.Ruiz Vidal, J.Ryzhikov, A.Ryzka, J.Saborido Silva, J. J.Sagidova, N.Sahoo, N.Saitta, B.Sanchez Gonzalo, D.Gras, C. SanchezSantacesaria, R.Santamarina Rios, C.Santimaria, M.Santovetti, E.Saranin, D.Sarpis, G.Sarpis, M.Sarti, A.Satriano, C.Satta, A.Saur, M.Savrina, D.Sazak, H.Smead, L. G. ScantleburySchael, S.Schellenberg, M.Schiller, M.Schindler, H.Schmelling, M.Schmidt, B.Schneider, O.Schopper, A.Schubiger, M.Schulte, S.Schune, M. H.Schwemmer, R.Sciascia, B.Sciubba, A.Sellam, S.Semennikov, A.Soares, M. SenghiSergi, A.Serra, N.Sestini, L.Seuthe, A.Seyfert, P.Shangase, D. M.Shapkin, M.Shchemerov, IShchutska, L.Shears, T.Shekhtman, L.Shen, Z.Shevchenko, VShields, E. B.Shmanin, E.Shupperd, J. D.Siddi, B. G.Coutinho, R. SilvaSimi, G.Simone, S.Skidmore, N.Skwarnicki, T.Slater, M. W.Slazyk, ISmallwood, J. C.Smeaton, J. G.Smetkina, A.Smith, E.Smith, M.Snoch, A.Soares, M.Lavra, L. SoaresSokoloff, M. D.Soler, F. J. P.Solovev, A.Solovyev, ISouza De Almeida, F. L.Souza De Paula, B.Spaan, B.Norella, E. SpadaroSpradlin, P.Stagni, F.Stahl, M.Stahl, S.Stefko, P.Steinkamp, O.Stemmle, S.Stenyakin, O.Stevens, H.Stone, S.Stramaglia, M. E.Straticiuc, M.Strekalina, D.Suljik, F.Sun, J.Sun, L.Sun, Y.Svihra, P.Swallow, P. N.Swientek, K.Szabelski, A.Szumlak, T.Szymanski, M.Taneja, S.Teubert, F.Thomas, E.Thomson, K. A.Tilley, M. J.Tisserand, VTobin, M.Tolk, S.Tomassetti, L.Machado, D. TorresTou, D. Y.Traill, M.Tran, M. T.Trifonova, E.Trippl, C.Tuci, G.Tully, A.Tuning, N.Ukleja, A.Unverzagt, D. J.Ursov, E.Usachov, A.Ustyuzhanin, A.Uwer, U.Vagner, A.Vagnoni, V.Valassi, A.Valenti, G.Valls Canudas, N.van Beuzekom, M.Van Dijk, M.van Herwijnen, E.Van Hulse, C. B.van Veghel, M.Vazquez Gomez, R.Vazquez Regueiro, P.Vazquez Sierra, C.Vecchi, S.Velthuis, J. J.Veltri, M.Venkateswaran, A.Veronesi, M.Vesterinen, M.Vieira, D.Vieites Diaz, M.Viemann, H.Vilasis-Cardona, X.Vilella Figueras, E.Vincent, P.Vitali, G.Vollhardt, A.Vom Bruch, D.Vorobyev, A.Vorobyev, V.Voropaev, N.Waldi, R.Walsh, J.Wang, C.Wang, J.Wang, M.Wang, R.Wang, Y.Wang, Z.Wark, H. M.Watson, N. K.Weber, S. G.Websdale, D.Weisser, C.Westhenry, B. D. C.White, D. J.Whitehead, M.Wiedner, D.Wilkinson, G.Wilkinson, M.Williams, IWilliams, M.Williams, M. R. J.Wilson, F. F.Wislicki, W.Witek, M.Witola, L.Wormser, G.Wotton, S. A.Wu, H.Wyllie, K.Xiang, Z.Xiao, D.Xie, Y.Xu, A.Xu, J.Xu, L.Xu, M.Xu, Q.Xu, Z.Yang, D.Yang, S.Yang, Y.Yang, Z.Yao, Y.Yeomans, L. E.Yin, H.Yu, J.Yuan, X.Yushchenko, O.Zaffaroni, E.Zarebski, K. A.Zavertyaev, M.Zdybal, M.Zenaiev, O.Zeng, M.Zhang, D.Zhang, L.Zhang, S.Zhang, Y.Zhelezov, A.Zheng, Y.Zhou, X.Zhou, Y.Zhu, X.Zhukov, VZonneveld, J. B.Zucchelli, S.Zuliani, D.Zunica, G.2021-07-172021-07-172021-07-172021-06-0910.1103/PhysRevC.103.064905https://infoscience.epfl.ch/handle/20.500.14299/180135WOS:000661749700003This article reports the first measurement of prompt chi(c1) and chi(c2) charmonium production in nuclear collisions at Large Hadron Collider energies. The cross-section ratio sigma(chi(c2))/sigma(chi(c1)) is measured in pPb collisions at root s(NN) = 8.16 TeV, collected with the LHCb experiment. The chi(c1,2) states are reconstructed via their decay to a J/psi meson, subsequently decaying into a pair of oppositely charged muons, and a photon, which is reconstructed in the calorimeter or via its conversion in the detector material. The cross-section ratio is consistent with unity in the two considered rapidity regions. Comparison with a corresponding cross-section ratio previously measured by the LHCb Collaboration in pp collisions suggests that chi(c1) and chi(c2) states are similarly affected by nuclear effects occurring in pPb collisions.Physics, NuclearPhysicsproton-proton collisionssuppressionj/psileadtext::journal::journal article::research article