%AAaij, R.%AAbdelmotteleb, A.%AAbellán Beteta, C.%AAbudinen Gallego, F.%AAckernley, T.%AAdeva, B.%AAdinolfi, M.%AAfsharnia, H.%AAgapopoulou, C.%AAidala, C.%AAiola, S.%AAjaltouni, Z.%AAkar, S.%AAlbrecht, J.%AAlessio, F.%AAlexander, M.%AAlfonso Albero, A.%AAliouche, Z.%AAlkhazov, G.%AAlvarez Cartelle, P.%AAmato, S.%AAmey, J.%AAmhis, Y.%AAn, L.%AAnderlini, L.%AAndreianov, A.%AAndreotti, M.%AArchilli, F.%AArtamonov, A.%AArtuso, M.%AArzymatov, K.%AAslanides, E.%AAtzeni, M.%AAudurier, B.%ABachmann, S.%ABachmayer, M.%ABack, J.%ABaladron Rodriguez, P.%ABalagura, V.%ABaldini, W.%ABaptista Leite, J.%ABarbetti, M.%ABarlow, R.%ABarsuk, S.%ABarter, W.%ABartolini, M.%ABaryshnikov, F.%ABasels, J.%ABashir, S.%ABassi, G.%ABatsukh, B.%ABattig, A.%ABay, A.%ABeck, A.%ABecker, M.%ABedeschi, F.%ABediaga, I.%ABeiter, A.%ABelavin, V.%ABelin, S.%ABellee, V.%ABelous, K.%ABelov, I.%ABelyaev, I.%ABencivenni, G.%ABen-Haim, E.%ABerezhnoy, A.%ABernet, R.%ABerninghoff, D.%ABernstein, H.%ABertella, C.%ABertolin, A.%ABetancourt, C.%ABetti, F.%ABezshyiko, Ia.%ABhasin, S.%ABhom, J.%ABian, L.%ABieker, M.%ABifani, S.%ABilloir, P.%ABirch, M.%ABishop, F.%ABitadze, A.%ABizzeti, A.%ABjørn, M.%ABlago, M.%ABlake, T.%ABlanc, F.%ABlusk, S.%ABobulska, D.%ABoelhauve, J.%ABoente Garcia, O.%ABoettcher, T.%ABoldyrev, A.%ABondar, A.%ABondar, N.%ABorghi, S.%ABorisyak, M.%ABorsato, M.%ABorsuk, J.%ABouchiba, S.%ABowcock, T.%ABoyer, A.%ABozzi, C.%ABradley, M.%ABraun, S.%ABrea Rodriguez, A.%ABrodzicka, J.%ABrossa Gonzalo, A.%ABrundu, D.%ABuonaura, A.%ABuonincontri, L.%ABurke, A.%ABurr, C.%ABursche, A.%AButkevich, A.%AButter, J.%ABuytaert, J.%AByczynski, W.%ACadeddu, S.%ACai, H.%ACalabrese, R.%ACalefice, L.%ACalero Diaz, L.%ACali, S.%ACalladine, R.%ACalvi, M.%ACalvo Gomez, M.%ACamargo Magalhaes, P.%ACampana, P.%ACompoverde Quezada, A.%ACapelli, S.%ACapriotti, L.%ACarbone, A.%ACarboni, G.%ACardinale, R.%ACardini, A.%ACarli, I.%ACarniti, P.%ACarus, L.%ACarvalho Akiba, K.%ACasais Vidal, A.%ACasse, G.%ACattaneo, M.%ACavallero, G.%ACelani, S.%ACerasoli, J.%ACervenkov, D.%AChadwick, A.%AChapman, M.%ACharles, M.%ACharpentier, Ph.%AChatzikonstantinidis, G.%AChavez Barajas, C.%AChefdeville, M.%AChen, C.%AChen, S.%AChernov, A.%AChobanova, V.%ACholak, S.%AChrzaszcz, M.%AChubykin, A.%AChulikov, V.%ACiambrone, P.%ACicala, M.%ACid Vidal, X.%ACiezarek, G.%AClarke, P.%AClemencic, M.%ACliff, H.%AClosier, J.%ACobbledick, J.%ACoco, V.%ACoelho, J.%ACogan, J.%ACogneras, E.%ACojocariu, L.%ACollins, P.%AColombo, T.%ACongedo, L.%AContu, A.%ACooke, N.%ACoombs, G.%ACorredoira, I.%ACorti, G.%ACosta Sobral, C.%ACouturier, B.%ACraik, D.%ACrkovská, J.%ACruz Torres, M.%ACurrie, R.%ADa Silva, C.%ADadabaev, S.%ADai, L.%ADall’Occo, E.%ADalseno, J.%AD’Ambrosio, C.%ADanilina, A.%Ad’Argent, P.%ADavies, J.%ADavis, A.%ADe Aguiar Francisco, O.%ADe Bruyn, K.%ADe Capua, S.%ADe Cian, M.%ADe Miranda, J.%ADe Paula, L.%ADe Serio, M.%ADe Simone, D.%ADe Simone, P.%ADe Vellis, F.%Ade Vries, J.%ADean, C.%ADebernardis, F.%ADecamp, D.%ADedu, V.%ADel Buono, L.%ADelaney, B.%ADembinski, H.-P.%ADendek, A.%ADenysenko, V.%ADerkach, D.%ADeschamps, O.%ADesse, F.%ADettori, F.%ADey, B.%ADi Cicco, A.%ADi Nezza, P.%ADidenko, S.%ADieste Maronas, L.%ADijkstra, H.%ADobishuk, V.%ADong, C.%ADonohoe, A.%ADordei, F.%Ados Reis, A.%ADouglas, L.%ADovbnya, A.%ADownes, A.%ADudek, M.%ADufour, L.%ADuk, V.%ADurante, P.%ADurham, J.%ADutta, D.%ADziurda, A.%ADzyuba, A.%AEaso, S.%AEgede, U.%AEgorychev, V.%AEidelman, S.%AEisenhardt, S.%AEk-In, S.%AEklund, L.%AEly, S.%AEne, A.%AEpple, E.%AEscher, S.%AEschle, J.%AEsen, S.%AEvans, T.%AFalabella, A.%AFan, J.%AFan, Y.%AFang, B.%AFarry, S.%AFazzini, D.%AFéo, M.%AFernandez Prieto, A.%AFernez, A.%AFerrari, F.%AFerreira Lopes, L.%AFerreira Rodrigues, F.%AFerreres Sole, S.%AFerrillo, M.%AFerro-Luzzi, M.%AFilippov, S.%AFini, R.%AFiorini, M.%AFirlej, M.%AFischer, K.%AFitzgerald, D.%AFitzpatrick, C.%AFiutowski, T.%AFkiaras, A.%AFleuret, F.%AFontana, M.%AFontanelli, F.%AForty, R.%AFoulds-Holt, D.%AFranco Lima, V.%AFranco Sevilla, M.%AFrank, M.%AFranzoso, E.%AFrau, G.%AFrei, C.%AFriday, D.%AFu, J.%AFuehring, Q.%AGabriel, E.%AGalati, G.%AGallas Torreira, A.%AGalli, D.%AGambetta, S.%AGan, Y.%AGandelman, M.%AGandini, P.%AGao, Y.%AGarau, M.%AGarcia Martin, L.%AGarcia Moreno, P.%AGarcía Pardiñas, J.%AGarcia Plana, B.%AGarcia Rosales, F.%AGarrido, L.%AGaspar, C.%AGeertsema, R.%AGerick, D.%AGerken, L.%AGersabeck, E.%AGersabeck, M.%AGershon, T.%AGerstel, D.%AGiambastiani, L.%AGibson, V.%AGiemza, H.%AGilman, A.%AGiovannetti, M.%AGioventù, A.%AGironella Gironell, P.%AGiubega, L.%AGiugliano, C.%AGizdov, K.%AGkougkousis, E.%AGligorov, V.%AGöbel, C.%AGolobardes, E.%AGolubkov, D.%AGolutvin, A.%AGomes, A.%AGomez Fernandez, S.%AGoncalves Abrantes, F.%AGoncerz, M.%AGong, G.%AGorbounov, P.%AGorelov, I.%AGotti, C.%AGovorkova, E.%AGrabowski, J.%AGrammatico, T.%AGranado Cardoso, L.%AGraugés, E.%AGraverini, E.%AGraziani, G.%AGrecu, A.%AGreeven, L.%AGrieser, N.%AGrillo, L.%AGromov, S.%AGruberg Cazon, B.%AGu, C.%AGuarise, M.%AGuittiere, M.%AGünther, P.%AGushchin, E.%AGuth, A.%AGuz, Y.%AGys, T.%AHadavizadeh, T.%AHaefeli, G.%AHaen, C.%AHaimberger, J.%AHalewood-leagas, T.%AHamilton, P.%AHammerich, J.%AHan, Q.%AHan, X.%AHancock, T.%AHansen, E.%AHansmann-Menzemer, S.%AHarnew, N.%AHarrison, T.%AHasse, C.%AHatch, M.%AHe, J.%AHecker, M.%AHeijhoff, K.%AHeinicke, K.%AHennequin, A.%AHennessy, K.%AHenry, L.%AHeuel, J.%AHicheur, A.%AHill, D.%AHilton, M.%AHollitt, S.%AHou, R.%AHou, Y.%AHu, J.%AHu, J.%AHu, W.%AHu, X.%AHuang, W.%AHuang, X.%AHulsbergen, W.%AHunter, R.%AHushchyn, M.%AHutchcroft, D.%AHynds, D.%AIbis, P.%AIdzik, M.%AIlin, D.%AIlten, P.%AInglessi, A.%AIshteev, A.%AIvshin, K.%AJacobsson, R.%AJage, H.%AJakobsen, S.%AJans, E.%AJashal, B.%AJawahery, A.%AJevtic, V.%AJiang, F.%AJohn, M.%AJohnson, D.%AJones, C.%AJones, T.%AJost, B.%AJurik, N.%AKalavan Kadavath, S.%AKandybei, S.%AKang, Y.%AKaracson, M.%AKarpov, M.%AKeizer, F.%AKeller, D.%AKenzie, M.%AKetel, T.%AKhanji, B.%AKharisova, A.%AKholodenko, S.%AKirn, T.%AKirsebom, V.%AKitouni, O.%AKlaver, S.%AKleijne, N.%AKlimaszewski, K.%AKmiec, M.%AKoliiev, S.%AKondybayeva, A.%AKonoplyannikov, A.%AKopciewicz, P.%AKopecna, R.%AKoppenburg, P.%AKorolev, M.%AKostiuk, I.%AKot, O.%AKotriakhova, S.%AKravchenko, P.%AKravchuk, L.%AKrawczyk, R.%AKreps, M.%AKress, F.%AKretzschmar, S.%AKrokovny, P.%AKrupa, W.%AKrzemien, W.%AKucharczyk, M.%AKudryavtsev, V.%AKuindersma, H.%AKunde, G.%AKvaratskheliya, T.%ALacarrere, D.%ALafferty, G.%ALai, A.%ALampis, A.%ALancierini, D.%ALane, J.%ALane, R.%ALanfranchi, G.%ALangenbruch, C.%ALanger, J.%ALantwin, O.%ALatham, T.%ALazzari, F.%ALe Gac, R.%ALee, S.%ALefèvre, R.%ALeflat, A.%ALegotin, S.%ALeroy, O.%ALesiak, T.%ALeverington, B.%ALi, H.%ALi, P.%ALi, S.%ALi, Y.%ALi, Z.%ALiang, X.%ALin, T.%ALindner, R.%ALisovskyi, V.%ALitvinov, R.%ALiu, G.%ALiu, H.%ALiu, Q.%ALiu, S.%ALobo Salvia, A.%ALoi, A.%ALomba Castro, J.%ALongstaff, I.%ALopes, J.%ALopez Solino, S.%ALovell, G.%ALu, Y.%ALucarelli, C.%ALucchesi, D.%ALuchuk, S.%ALucio Martinez, M.%ALukashenko, V.%ALuo, Y.%ALupato, A.%ALuppi, E.%ALupton, O.%ALusiani, A.%ALyu, X.%AMa, L.%AMa, R.%AMaccolini, S.%AMachefert, F.%AMaciuc, F.%AMacko, V.%AMackowiak, P.%AMaddrell-Mander, S.%AMadejczyk, O.%AMadhan Mohan, L.%AMaev, O.%AMaevskiy, A.%AMaisuzenko, D.%AMajewski, M.%AMalczewski, J.%AMalde, S.%AMalecki, B.%AMalinin, A.%AMaltsev, T.%AMalygina, H.%AManca, G.%AMancinelli, G.%AManuzzi, D.%AMarangotto, D.%AMaratas, J.%AMarchand, J.%AMarconi, U.%AMariani, S.%AMarin Benito, C.%AMarinangeli, M.%AMarks, J.%AMarshall, A.%AMarshall, P.%AMartelli, G.%AMartellotti, G.%AMartinazzoli, L.%AMartinelli, M.%AMartinez Santos, D.%AMartinz Vidal, F.%AMassafferri, A.%AMaterok, M.%AMatev, R.%AMathad, A.%AMatiunin, V.%AMatteuzzi, C.%AMattioli, K.%AMauri, A.%AMaurice, E.%AMauricio, J.%AMazurek, M.%AMcCann, M.%AMcconnell, L.%AMcgrath, T.%AMchugh, N.%AMcNab, A.%AMcNulty, R.%AMead, J.%AMeadows, B.%AMeier, G.%AMeinert, N.%AMelnychuk, D.%AMeloni, S.%AMerk, M.%AMerli, A.%AMeyer Garcia, L.%AMikhasenko, M.%AMilanes, D.%AMillard, E.%AMilovanovic, M.%AMinard, M.%AMinotti, A.%AMinzoni, L.%AMitchell, S.%AMitreska, B.%AMitzel, D.%AMödden, A.%AMohammed, R.%AMoise, R.%AMokhnenko, S.%AMombächer, T.%AMonroy, I.%AMonteil, S.%AMorandin, M.%AMorello, G.%AMorello, M.%AMoron, J.%AMorris, A.%AMorris, A.%AMountain, R.%AMu, H.%AMuheim, F.%AMulder, M.%AMüller, D.%AMüller, K.%AMurphy, C.%AMurray, D.%AMuzzetto, P.%ANaik, P.%ANakada, T.%ANandakumar, R.%ANanut, T.%ANasteva, I.%ANeedham, M.%ANeri, I.%ANeri, N.%ANeubert, S.%ANeufeld, N.%ANewcombe, R.%ANiel, E.%ANieswand, S.%ANikitin, N.%ANolte, N.%ANormand, C.%ANunez, C.%AOblakowska-Mucha, A.%AObraztsov, V.%AOeser, T.%AO’Hanlon, D.%AOkamura, S.%AOldeman, R.%AOliva, F.%AOlivares, M.%AOnderwater, C.%AO’neil, R.%AOtalora Goicochea, J.%AOvsiannikova, T.%AOwen, P.%AOyanguren, A.%APadeken, K.%APagare, B.%APais, P.%APajero, T.%APalano, A.%APalutan, M.%APan, Y.%APanshin, G.%APapanestis, A.%APappagallo, M.%APappalardo, L.%APappenheimer, C.%AParker, W.%AParkes, C.%APassalacqua, B.%APassaleva, G.%APastore, A.%APatel, M.%APatrignani, C.%APawley, C.%APearce, A.%APellegrino, A.%AAltarelli, M.%APerazzini, S.%APereima, D.%APeriero Castro, A.%APerret, P.%APetric, M.%APetridis, K.%APetrolini, A.%APetrov, A.%APetrucci, S.%APetruzzo, M.%APham, T.%APica, L.%APiccini, M.%APietrzyk, B.%APietrzyk, G.%APili, M.%APinci, D.%APisani, F.%APizzichemi, M.%AResmi, P.%APlacinta, V.%APlews, J.%APlo Casasus, M.%APolci, F.%APoli Lener, M.%APoliakova, M.%APoluektov, A.%APolukhina, N.%APolyakov, I.%APolycarpo, E.%APonce, S.%APopov, D.%APopov, S.%APoslavskii, S.%APrasanth, K.%APromberger, L.%AProuve, C.%APugatch, V.%APuill, V.%APullen, H.%APunzi, G.%AQi, H.%AQian, W.%AQin, J.%AQin, N.%AQuagliani, R.%AQuintana, B.%ARaab, N.%ARabadan Trejo, R.%ARachwal, B.%ARademacker, J.%ARama, M.%ARamos Pernas, M.%ARangel, M.%ARatnikov, F.%ARaven, G.%AReboud, M.%ARedi, F.%AReiss, F.%ARemon Alepuz, C.%ARen, Z.%ARenaudin, V.%ARibatti, R.%ARicciardi, S.%ARinnert, K.%ARobbe, P.%ARobertson, G.%ARodrigues, A.%ARodrigues, E.%ARodriguez Lopez, J.%ARodriguez Rodriguez, E.%ARollings, A.%ARoloff, P.%ARomanovskiy, V.%ARomero Lamas, M.%ARomero Vidal, A.%ARoth, J.%ARotondo, M.%ARudolph, M.%ARuf, T.%AFernandez, R.%ARuiz Vidal, J.%ARyzhikov, A.%ARyzka, J.%ASaborido Silva, J.%ASagidova, N.%ASahoo, N.%ASaitta, B.%ASalomoni, M.%ASanchez Gras, C.%ASantacesaria, R.%ASantamarina Rios, C.%ASantimaria, M.%ASantovetti, E.%ASaranin, D.%ASarpis, G.%ASarpis, M.%ASarti, A.%ASatriano, C.%ASatta, A.%ASaur, M.%ASavrina, D.%ASazak, H.%AScantlebury Smead, L.%AScarabotto, A.%ASchael, S.%AScherl, S.%ASchiller, M.%ASchindler, H.%ASchmelling, M.%ASchmidt, B.%ASchmitt, S.%ASchneider, O.%ASchopper, A.%ASchubiger, M.%ASchulte, S.%ASchune, M.%ASchwemmer, R.%ASciascia, B.%ASellam, S.%ASemennikov, A.%ASenghi Soares, M.%ASergi, A.%ASerra, N.%ASestini, L.%ASeuthe, A.%AShang, Y.%AShangase, D.%AShapkin, M.%AShchemerov, I.%AShchutska, L.%AShears, T.%AShekhtman, L.%AShen, Z.%AShevchenko, V.%AShields, E.%AShimizu, Y.%AShmanin, E.%AShupperd, J.%ASiddi, B.%ASilva Coutinho, R.%ASimi, G.%ASimone, S.%ASkidmore, N.%ASkwarnicki, T.%ASlater, M.%ASlazyk, I.%ASmallwood, J.%ASmeaton, J.%ASmetkina, A.%ASmith, E.%ASmith, M.%ASnoch, A.%ASoares, M.%ASoares Lavra, L.%ASokoloff, M.%ASoler, F.%ASolovev, A.%ASolovyev, I.%ASouza De Almeida, F.%ASouza De Paula, B.%ASpaan, B.%ASpadaro Norella, E.%ASpradlin, P.%AStagni, F.%AStahl, M.%AStahl, S.%AStanislaus, S.%ASteinkamp, O.%AStenyakin, O.%AStevens, H.%AStone, S.%AStraticiuc, M.%AStrekalina, D.%ASuljik, F.%ASun, J.%ASun, L.%ASun, Y.%ASvihra, P.%ASwallow, P.%ASwientek, K.%ASzabelski, A.%ASzumlak, T.%ASzymanski, M.%ATaneja, S.%ATanner, A.%ATat, M.%ATerentev, A.%ATeubert, F.%AThomas, E.%AThompson, D.%AThomson, K.%ATisserand, V.%AT’Jampens, S.%ATobin, M.%ATomassetti, L.%ATong, X.%ATorres Machado, D.%ATou, D.%ATrifonova, E.%ATrippl, C.%ATuci, G.%ATully, A.%ATuning, N.%AUkleja, A.%AUnverzagt, D.%AUrsov, E.%AUsachov, A.%AUstyuzhanin, A.%AUwer, U.%AVagner, A.%AVagnoni, V.%AValassi, A.%AValenti, G.%AVallus Canudas, N.%Avan Beuzekom, M.%AVan Dijk, M.%Avan Herwijnen, E.%AVan Hulse, C.%Avan Veghel, M.%AVazquez Gomez, R.%AVazquez Regueiro, P.%AVázquez Sierra, C.%AVecchi, S.%AVelthuis, J.%AVeltri, M.%AVenkateswaran, A.%AVeronesi, M.%AVesterinen, M.%AVieira, D.%AVieites Diaz, M.%AViemann, H.%AVilasis-Cardona, X.%AVilella Figueras, E.%AVilla, A.%AVincent, P.%AVolle, F.%ABruch, D.%AVorobyev, A.%AVorobyev, V.%AVoropaev, N.%AVos, K.%AWaldi, R.%AWalsh, J.%AWang, C.%AWang, J.%AWang, J.%AWang, J.%AWang, J.%AWang, M.%AWang, R.%AWang, Y.%AWang, Z.%AWang, Z.%AWang, Z.%AWard, J.%AWatson, N.%AWeber, S.%AWebsdale, D.%AWeisser, C.%AWesthenry, B.%AWhite, D.%AWhitehead, M.%AWiederhold, A.%AWiedner, D.%AWilkinson, G.%AWilkinson, M.%AWilliams, I.%AWilliams, M.%AWilliams, M.%AWilson, F.%AWislicki, W.%AWitek, M.%AWitola, L.%AWormser, G.%AWotton, S.%AWu, H.%AWyllie, K.%AXiang, Z.%AXiao, D.%AXie, Y.%AXu, A.%AXu, J.%AXu, L.%AXu, M.%AXu, Q.%AXu, Z.%AXu, Z.%AYang, D.%AYang, S.%AYang, Y.%AYang, Z.%AYang, Z.%AYao, Y.%AYeomans, L.%AYin, H.%AYu, J.%AYuan, X.%AYushchenko, O.%AZaffaroni, E.%AZavertyaev, M.%AZdybal, M.%AZenaiev, O.%AZeng, M.%AZhang, D.%AZhang, L.%AZhang, S.%AZhang, S.%AZhang, Y.%AZhang, Y.%AZharkova, A.%AZhelezov, A.%AZheng, Y.%AZhou, T.%AZhou, X.%AZhou, Y.%AZhovkovska, V.%AZhu, X.%AZhu, X.%AZhu, Z.%AZhukov, V.%AZonneveld, J.%AZou, Q.%AZucchelli, S.%AZuliani, D.%AZunica, G.%BJournal Name: Nature Physics; Journal Volume: 18; Journal Issue: 7 %D2022%I %JJournal Name: Nature Physics; Journal Volume: 18; Journal Issue: 7 %K %MOSTI ID: 10343940 %PMedium: X %TObservation of an exotic narrow doubly charmed tetraquark %XAbstract Conventional, hadronic matter consists of baryons and mesons made of three quarks and a quark–antiquark pair, respectively 1,2 . Here, we report the observation of a hadronic state containing four quarks in the Large Hadron Collider beauty experiment. This so-called tetraquark contains two charm quarks, a $$\overline{{{{{u}}}}}$$ u ¯ and a $$\overline{{{{{d}}}}}$$ d ¯ quark. This exotic state has a mass of approximately 3,875 MeV and manifests as a narrow peak in the mass spectrum of D 0 D 0 π + mesons just below the D *+ D 0 mass threshold. The near-threshold mass together with the narrow width reveals the resonance nature of the state. %0Journal Article