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  Observation of the Decay Lambda(0)(b) -> Lambda(+)(c) tau(-)(nu)over-bar(tau)

The LHCb Collaboration, Aaij, R., Abdelmotteleb, A. S. W., Abellan Beteta, C., Abudinen, F., Ackernley, T., et al. (2022). Observation of the Decay Lambda(0)(b) -> Lambda(+)(c) tau(-)(nu)over-bar(tau). Physical Review Letters, 128(19): 191803. doi:10.1103/PhysRevLett.128.191803.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000A-EBC6-E Version Permalink: https://hdl.handle.net/21.11116/0000-000A-EBC7-D
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The LHCb Collaboration, Author              
Aaij, R., Author
Abdelmotteleb, A. S. W.1, Author
Abellan Beteta, C. 1, Author
Abudinen, F.1, Author
Ackernley, T.1, Author
Adeva, B.1, Author
Adinolfi, M.1, Author
Afsharnia, H.1, Author
Agapopoulou, C.1, Author
Aidala, C. A.1, Author
Aiola, S.1, Author
Ajaltouni, Z.1, Author
Akar, S.1, Author
Albrecht, J.1, Author
Alessio, F.1, Author
Alexander, M.1, Author
Alfonso Albero, A.1, Author
Aliouche, Z.1, Author
Alkhazov, G.1, Author
Cartelle, P. Alvarez1, AuthorAmato, S.1, AuthorAmey, J. L.1, AuthorAmhis, Y.1, AuthorAn, L.1, AuthorAnderlini, L.1, AuthorAndersson, M.1, AuthorAndreianov, A.1, AuthorAndreotti, M.1, AuthorArchilli, F.1, AuthorArtamonov, A.1, AuthorArtuso, M.1, AuthorArzymatov, K.1, AuthorAslanides, E.1, AuthorAtzeni, M.1, AuthorAudurier, B.1, AuthorBachmann, S.1, AuthorBachmayer, M.1, AuthorBack, J. J.1, AuthorBaladron Rodriguez, P.1, AuthorBalagura, V1, AuthorBaldini, W.1, Authorde Souza Leite, J. Baptista1, AuthorBarbetti, M.1, AuthorBarlow, R. J.1, AuthorBarsuk, S.1, AuthorBarter, W.1, AuthorBartolini, M.1, AuthorBaryshnikov, F.1, AuthorBasels, J. M.1, AuthorBashir, S.1, AuthorBassi, G.1, AuthorBatsukh, B.1, AuthorBattig, A.1, AuthorBay, A.1, AuthorBeck, A.1, AuthorBecker, M.1, AuthorBedeschi, F.1, AuthorBediaga, I1, AuthorBeiter, A.1, AuthorBelavin, V1, AuthorBelin, S.1, AuthorBellee, V1, AuthorBelous, K.1, AuthorBelov, I1, AuthorBelyaev, I1, AuthorBencivenni, G.1, AuthorBen-Haim, E.1, AuthorBerezhnoy, A.1, AuthorBernet, R.1, AuthorBerninghoff, D.1, AuthorBernstein, H. C.1, AuthorBertella, C.1, AuthorBertolin, A.1, AuthorBetancourt, C.1, AuthorBetti, F.1, AuthorBezshyiko, Ia1, AuthorBhasin, S.1, AuthorBhom, J.1, AuthorBian, L.1, AuthorBieker, M. S.1, AuthorBiesuz V, N.1, AuthorBifani, S.1, AuthorBilloir, P.1, AuthorBiolchini, A.1, AuthorBirch, M.1, AuthorBishop, F. C. R.1, AuthorBitadze, A.1, AuthorBizzeti, A.1, AuthorBjorn, M.1, AuthorBlago, M. P.1, AuthorBlake, T.1, AuthorBlanc, F.1, AuthorBlusk, S.1, AuthorBobulska, D.1, AuthorBoelhauve, J. A.1, AuthorBoente Garcia, O.1, AuthorBoettcher, T.1, AuthorBoldyrev, A.1, AuthorBondar, A.1, AuthorBondar, N.1, AuthorBorghi, S.1, AuthorBorisyak, M.1, AuthorBorsato, M.1, AuthorBorsuk, J. T.1, AuthorBouchiba, S. A.1, AuthorBowcock V, T. J.1, AuthorBoyer, A.1, AuthorBozzi, C.1, AuthorBradley, M. J.1, AuthorBraun, S.1, AuthorBrea Rodriguez, A.1, AuthorBrodzicka, J.1, AuthorGonzalo, A. Brossa1, AuthorBrundu, D.1, AuthorBuonaura, A.1, AuthorBuonincontri, L.1, AuthorBurke, A. T.1, AuthorBurr, C.1, AuthorBursche, A.1, AuthorButkevich, A.1, AuthorButter, J. S.1, AuthorBuytaert, J.1, AuthorByczynski, W.1, AuthorCadeddu, S.1, AuthorCai, H.1, AuthorCalabrese, R.1, AuthorCalefice, L.1, AuthorCali, S.1, AuthorCalladine, R.1, AuthorCalvi, M.1, AuthorGomez, M. Calvo1, AuthorMagalhaes, P. Camargo1, AuthorCampana, P.1, AuthorQuezada, A. F. Campoverde1, AuthorCapelli, S.1, AuthorCapriotti, L.1, AuthorCarbone, A.1, AuthorCarboni, G.1, AuthorCardinale, R.1, AuthorCardini, A.1, AuthorCarli, I1, AuthorCarniti, P.1, AuthorCarus, L.1, AuthorAkiba, K. Carvalho1, AuthorCasais Vidal, A.1, AuthorCaspary, R.1, AuthorCasse, G.1, AuthorCattaneo, M.1, AuthorCavallero, G.1, AuthorCelani, S.1, AuthorCerasoli, J.1, AuthorCervenkov, D.1, AuthorChadwick, A. J.1, AuthorChapman, M. G.1, AuthorCharles, M.1, AuthorCharpentier, Ph1, AuthorBarajas, C. A. Chavez1, AuthorChefdeville, M.1, AuthorChen, C.1, AuthorChen, S.1, AuthorChernov, A.1, AuthorChobanova, V1, AuthorCholak, S.1, AuthorChrzaszcz, M.1, AuthorChubykin, A.1, AuthorChulikov, V1, AuthorCiambrone, P.1, AuthorCicala, M. F.1, AuthorVidal, X. Cid1, AuthorCiezarek, G.1, AuthorClarke, P. E. L.1, AuthorClemencic, M.1, AuthorCliff V, H.1, AuthorClosier, J.1, AuthorCobbledick, J. L.1, AuthorCoco, V1, AuthorCoelho, J. A. B.1, AuthorCogan, J.1, AuthorCogneras, E.1, AuthorCojocariu, L.1, AuthorCollins, P.1, AuthorColombo, T.1, AuthorCongedo, L.1, AuthorContu, A.1, AuthorCooke, N.1, AuthorCoombs, G.1, AuthorCorredoira, I1, AuthorCorti, G.1, AuthorSobral, C. M. Costa1, AuthorCouturier, B.1, AuthorCraik, D. C.1, AuthorCrkovska, J.1, AuthorTorres, M. Cruz1, AuthorCurrie, R.1, AuthorDa Silva, C. L.1, AuthorDadabaev, S.1, AuthorDai, L.1, AuthorDall'Occo, E.1, AuthorDalseno, J.1, AuthorD'Ambrosio, C.1, AuthorDanilina, A.1, AuthorD'Argent, P.1, AuthorDashkina, A.1, AuthorDavies, J. E.1, AuthorDavis, A.1, AuthorFrancisco, O. De Aguiar1, AuthorDe Bruyn, K.1, AuthorDe Capua, S.1, AuthorDe Cian, M.1, AuthorDa Carneiro Graca, U. De Freitas1, AuthorDe Lucia, E.1, AuthorDe Miranda, J. M.1, AuthorDe Paula, L.1, AuthorDe Serio, M.1, AuthorDe Simone, D.1, AuthorDe Simone, P.1, AuthorDe Vellis, F.1, Authorde Vries, J. A.1, AuthorDean, C. T.1, AuthorDebernardis, F.1, AuthorDecamp, D.1, AuthorDedu, V1, AuthorDel Buono, L.1, AuthorDelaney, B.1, AuthorDembinski, H-P1, AuthorDenysenko, V1, AuthorDerkach, D.1, AuthorDeschamps, O.1, AuthorDettori, F.1, AuthorDey, B.1, AuthorDi Cicco, A.1, AuthorDi Nezza, P.1, AuthorDidenko, S.1, AuthorDieste Maronas, L.1, AuthorDijkstra, H.1, AuthorDobishuk, V1, AuthorDong, C.1, AuthorDonohoe, A. M.1, AuthorDordei, F.1, Authordos Reis, A. C.1, AuthorDouglas, L.1, AuthorDovbnya, A.1, AuthorDownes, A. G.1, AuthorDudek, M. W.1, AuthorDufour, L.1, AuthorDuk, V1, AuthorDurante, P.1, AuthorDurham, J. M.1, AuthorDutta, D.1, AuthorDziurda, A.1, AuthorDzyuba, A.1, AuthorEaso, S.1, AuthorEgede, U.1, AuthorEgorychev, V1, AuthorEidelman, S.1, AuthorEisenhardt, S.1, AuthorEk-In, S.1, AuthorEklund, L.1, AuthorEly, S.1, AuthorEne, A.1, AuthorEpple, E.1, AuthorEscher, S.1, AuthorEschle, J.1, AuthorEsen, S.1, AuthorEvans, T.1, AuthorFalcao, L. N.1, AuthorFan, Y.1, AuthorFang, B.1, AuthorFarry, S.1, AuthorFazzini, D.1, AuthorFeo, M.1, AuthorFernandez Prieto, A.1, AuthorFernez, A. D.1, AuthorFerrari, F.1, AuthorFerreira Lopes, L.1, AuthorFerreira Rodrigues, F.1, AuthorFerreres Sole, S.1, AuthorFerrillo, M.1, AuthorFerro-Luzzi, M.1, AuthorFilippov, S.1, AuthorFini, R. A.1, AuthorFiorini, M.1, AuthorFirlej, M.1, AuthorFischer, K. M.1, AuthorFitzgerald, D. S.1, AuthorFitzpatrick, C.1, AuthorFiutowski, T.1, AuthorFkiaras, A.1, AuthorFleuret, F.1, AuthorFontana, M.1, AuthorFontanelli, F.1, AuthorForty, R.1, AuthorFoulds-Holt, D.1, AuthorLima, V. Franco1, AuthorSevilla, M. Franco1, AuthorFrank, M.1, AuthorFranzoso, E.1, AuthorFrau, G.1, AuthorFrei, C.1, AuthorFriday, D. A.1, AuthorFu, J.1, AuthorFuehring, Q.1, AuthorGabriel, E.1, AuthorGalati, G.1, AuthorGallas Torreira, A.1, AuthorGalli, D.1, AuthorGambetta, S.1, AuthorGan, Y.1, AuthorGandelman, M.1, AuthorGandini, P.1, AuthorGao, Y.1, AuthorGarau, M.1, AuthorGarcia Martin, L. M.1, AuthorGarcia Moreno, P.1, AuthorGarcia Pardinas, J.1, AuthorGarcia Plana, B.1, AuthorGarcia Rosales, F. A.1, AuthorGarrido, L.1, AuthorGaspar, C.1, AuthorGeertsema, R. E.1, AuthorGerick, D.1, AuthorGerken, L. L.1, AuthorGersabeck, E.1, AuthorGersabeck, M.1, AuthorGershon, T.1, AuthorGerstel, D.1, AuthorGiambastiani, L.1, AuthorGibson, V1, AuthorGiemza, H. K.1, AuthorGilman, A. L.1, AuthorGiovannetti, M.1, AuthorGioventu, A.1, AuthorGironella Gironell, P.1, AuthorGiugliano, C.1, AuthorGizdov, K.1, AuthorGkougkousis, E. L.1, AuthorGligorov, V. V.1, AuthorGobel, C.1, AuthorGolobardes, E.1, AuthorGolubkov, D.1, AuthorGolutvin, A.1, AuthorGomes, A.1, AuthorGomez Fernandez, S.1, AuthorAbrantes, F. Goncalves1, AuthorGoncerz, M.1, AuthorGong, G.1, AuthorGorbounov, P.1, AuthorGorelov V, I.1, AuthorGotti, C.1, AuthorGrabowski, J. P.1, AuthorGrammatico, T.1, AuthorCardoso, L. A. Granado1, AuthorGrauges, E.1, AuthorGraverini, E.1, AuthorGraziani, G.1, AuthorGrecu, A.1, AuthorGreeven, L. M.1, AuthorGrieser, N. A.1, AuthorGrillo, L.1, AuthorGromov, S.1, AuthorCazon, B. R. Gruberg1, AuthorGu, C.1, AuthorGuarise, M.1, AuthorGuittiere, M.1, AuthorGunther, P. A.1, AuthorGushchin, E.1, AuthorGuth, A.1, AuthorGuz, Y.1, AuthorGys, T.1, AuthorHadavizadeh, T.1, AuthorHaefeli, G.1, AuthorHaen, C.1, AuthorHaimberger, J.1, AuthorHaines, S. C.1, AuthorHalewood-leagas, T.1, AuthorHamilton, P. M.1, AuthorHammerich, J. P.1, AuthorHan, Q.1, AuthorHan, X.1, AuthorHansen, E. B.1, AuthorHansmann-Menzemer, S.1, AuthorHarnew, N.1, AuthorHarrison, T.1, AuthorHasse, C.1, AuthorHatch, M.1, AuthorHe, J.1, AuthorHecker, M.1, AuthorHeijhoff, K.1, AuthorHeinicke, K.1, AuthorHenderson, R. D. L.1, AuthorHennequin, A. M.1, AuthorHennessy, K.1, AuthorHenry, L.1, AuthorHeuel, J.1, AuthorHicheur, A.1, AuthorHill, D.1, AuthorHilton, M.1, AuthorHollitt, S. E.1, AuthorHou, R.1, AuthorHou, Y.1, AuthorHu, J.1, AuthorHu, J.1, AuthorHu, W.1, AuthorHu, X.1, AuthorHuang, W.1, AuthorHuang, X.1, AuthorHulsbergen, W.1, AuthorHunter, R. J.1, AuthorHushchyn, M.1, AuthorHutchcroft, D.1, AuthorHynds, D.1, AuthorIbis, P.1, AuthorIdzik, M.1, AuthorIlin, D.1, AuthorIlten, P.1, AuthorInglessi, A.1, AuthorIshteev, A.1, AuthorIvshin, K.1, AuthorJacobsson, R.1, AuthorJage, H.1, AuthorJakobsen, S.1, AuthorJans, E.1, AuthorJashal, B. K.1, AuthorJawahery, A.1, AuthorJevtic, V1, AuthorJiang, X.1, AuthorJohn, M.1, AuthorJohnson, D.1, AuthorJones, C. R.1, AuthorJones, T. P.1, AuthorJost, B.1, AuthorJurik, N.1, AuthorKadavath, S. H. Kalavan1, AuthorKandybei, S.1, AuthorKang, Y.1, AuthorKaracson, M.1, AuthorKarpenkov, D.1, AuthorKarpov, M.1, AuthorKautz, J. W.1, AuthorKeizer, F.1, AuthorKeller, D. M.1, AuthorKenzie, M.1, AuthorKetel, T.1, AuthorKhanji, B.1, AuthorKharisova, A.1, AuthorKholodenko, S.1, AuthorKirn, T.1, AuthorKirsebom, V. S.1, AuthorKitouni, O.1, AuthorKlaver, S.1, AuthorKleijne, N.1, AuthorKlimaszewski, K.1, AuthorKmiec, M. R.1, AuthorKoliiev, S.1, AuthorKondybayeva, A.1, AuthorKonoplyannikov, A.1, AuthorKopciewicz, P.1, AuthorKopecna, R.1, AuthorKoppenburg, P.1, AuthorKorolev, M.1, AuthorKostiuk, I1, AuthorKot, O.1, AuthorKotriakhova, S.1, AuthorKozachuk, A.1, AuthorKravchenko, P.1, AuthorKravchuk, L.1, AuthorKrawczyk, R. D.1, AuthorKreps, M.1, AuthorKretzschmar, S.1, AuthorKrokovny, P.1, AuthorKrupa, W.1, AuthorKrzemien, W.1, AuthorKubat, J.1, AuthorKucharczyk, M.1, AuthorKudryavtsev, V1, AuthorKuindersma, H. S.1, AuthorKunde, G. J.1, AuthorKvaratskheliya, T.1, AuthorLacarrere, D.1, AuthorLafferty, G.1, AuthorLai, A.1, AuthorLampis, A.1, AuthorLancierini, D.1, AuthorLane, J. J.1, AuthorLane, R.1, AuthorLanfranchi, G.1, AuthorLangenbruch, C.1, AuthorLanger, J.1, AuthorLantwin, O.1, AuthorLatham, T.1, AuthorLazzari, F.1, AuthorLe Gac, R.1, AuthorLee, S. H.1, AuthorLefevre, R.1, AuthorLeflat, A.1, AuthorLegotin, S.1, AuthorLeroy, O.1, AuthorLesiak, T.1, AuthorLeverington, B.1, AuthorLi, H.1, AuthorLi, P.1, AuthorLi, S.1, AuthorLi, Y.1, AuthorLi, Z.1, AuthorLiang, X.1, AuthorLin, T.1, AuthorLindner, R.1, AuthorLisovskyi, V1, AuthorLitvinov, R.1, AuthorLiu, G.1, AuthorLiu, H.1, AuthorLiu, Q.1, AuthorLiu, S.1, AuthorLobo Salvia, A.1, AuthorLoi, A.1, AuthorLollini, R.1, AuthorLomba Castro, J.1, AuthorLongstaff, I1, AuthorLopes, J. H.1, AuthorLopez Solino, S.1, AuthorLovell, G. H.1, AuthorLu, Y.1, AuthorLucarelli, C.1, AuthorLucchesi, D.1, AuthorLuchuk, S.1, AuthorMartinez, M. Lucio1, AuthorLukashenko, V1, AuthorLuo, Y.1, AuthorLupato, A.1, AuthorLuppi, E.1, AuthorLupton, O.1, AuthorLusiani, A.1, AuthorLyu, X.1, AuthorMa, L.1, AuthorMa, R.1, AuthorMaccolini, S.1, AuthorMachefert, F.1, AuthorMaciuc, F.1, AuthorMacko, V1, AuthorMackowiak, P.1, AuthorMaddrell-Mander, S.1, AuthorMadejczyk, O.1, AuthorMohan, L. R. Madhan1, AuthorMaev, O.1, AuthorMaevskiy, A.1, AuthorMaisuzenko, D.1, AuthorMajewski, M. W.1, AuthorMalczewski, J. J.1, AuthorMalde, S.1, AuthorMalecki, B.1, AuthorMalinin, A.1, AuthorMaltsev, T.1, AuthorMalygina, H.1, AuthorManca, G.1, AuthorMancinelli, G.1, AuthorManuzzi, D.1, AuthorMarangotto, D.1, AuthorMaratas, J.1, AuthorMarchand, J. F.1, AuthorMarconi, U.1, AuthorMariani, S.1, AuthorBenito, C. Marin1, AuthorMarinangeli, M.1, AuthorMarks, J.1, AuthorMarshall, A. M.1, AuthorMarshall, P. J.1, AuthorMartelli, G.1, AuthorMartellotti, G.1, AuthorMartinazzoli, L.1, AuthorMartinelli, M.1, AuthorMartinez Santos, D.1, AuthorMartinez Vidal, F.1, AuthorMassafferri, A.1, AuthorMaterok, M.1, AuthorMatev, R.1, AuthorMathad, A.1, AuthorMatiunin, V1, AuthorMatteuzzi, C.1, AuthorMattioli, K. R.1, AuthorMauri, A.1, AuthorMaurice, E.1, AuthorMauricio, J.1, AuthorMazurek, M.1, AuthorMcCann, M.1, AuthorMcconnell, L.1, AuthorMcgrath, T. H.1, AuthorMchugh, N. T.1, AuthorMcNab, A.1, AuthorMcNulty, R.1, AuthorMead V, J.1, AuthorMeadows, B.1, AuthorMeier, G.1, AuthorMelnychuk, D.1, AuthorMeloni, S.1, AuthorMerk, M.1, AuthorMerli, A.1, AuthorGarcia, L. Meyer1, AuthorMikhasenko, M.1, AuthorMilanes, D. A.1, AuthorMillard, E.1, AuthorMilovanovic, M.1, AuthorMinard, M-N1, AuthorMinotti, A.1, AuthorMitchell, S. E.1, AuthorMitreska, B.1, AuthorMitzel, D. S.1, AuthorModden, A.1, AuthorMohammed, R. A.1, AuthorMoise, R. D.1, AuthorMokhnenko, S.1, AuthorMombacher, T.1, AuthorMonroy, I. A.1, AuthorMonteil, S.1, AuthorMorandin, M.1, AuthorMorello, G.1, AuthorMorello, M. J.1, AuthorMoron, J.1, AuthorMorris, A. B.1, AuthorMorris, A. G.1, AuthorMountain, R.1, AuthorMu, H.1, AuthorMuheim, F.1, AuthorMulder, M.1, AuthorMuller, K.1, AuthorMurphy, C. H.1, AuthorMurray, D.1, AuthorMurta, R.1, AuthorMuzzetto, P.1, AuthorNaik, P.1, AuthorNakada, T.1, AuthorNandakumar, R.1, AuthorNanut, T.1, AuthorNasteva, I1, AuthorNeedham, M.1, AuthorNeri, N.1, AuthorNeubert, S.1, AuthorNeufeld, N.1, AuthorNewcombe, R.1, AuthorNiel, E. M.1, AuthorNieswand, S.1, AuthorNikitin, N.1, AuthorNolte, N. S.1, AuthorNormand, C.1, AuthorNunez, C.1, AuthorOblakowska-Mucha, A.1, AuthorObraztsov, V1, AuthorOeser, T.1, AuthorO'Hanlon, D. P.1, AuthorOkamura, S.1, AuthorOldeman, R.1, AuthorOliva, F.1, AuthorOlivares, M. E.1, AuthorOnderwater, C. J. G.1, AuthorO'Neil, R. H.1, AuthorOtalora Goicochea, J. M.1, AuthorOvsiannikova, T.1, AuthorOwen, P.1, AuthorOyanguren, A.1, AuthorOzcelik, O.1, AuthorPadeken, K. O.1, AuthorPagare, B.1, AuthorPais, P. R.1, AuthorPajero, T.1, AuthorPalano, A.1, AuthorPalutan, M.1, AuthorPan, Y.1, AuthorPanshin, G.1, AuthorPapanestis, A.1, AuthorPappagallo, M.1, AuthorPappalardo, L. L.1, AuthorPappenheimer, C.1, AuthorParker, W.1, AuthorParkes, C.1, AuthorPassalacqua, B.1, AuthorPassaleva, G.1, AuthorPastore, A.1, AuthorPatel, M.1, AuthorPatrignani, C.1, AuthorPawley, C. J.1, AuthorPearce, A.1, AuthorPellegrino, A.1, AuthorAltarelli, M. Pepe1, AuthorPerazzini, S.1, AuthorPereima, D.1, AuthorPereiro Castro, A.1, AuthorPerret, P.1, AuthorPetric, M.1, AuthorPetridis, K.1, AuthorPetrolini, A.1, AuthorPetrov, A.1, AuthorPetrucci, S.1, AuthorPetruzzo, M.1, AuthorPham, T. T. H.1, AuthorPhilippov, A.1, AuthorPiandani, R.1, AuthorPica, L.1, AuthorPiccini, M.1, AuthorPietrzyk, B.1, AuthorPietrzyk, G.1, AuthorPili, M.1, AuthorPinci, D.1, AuthorPisani, F.1, AuthorPizzichemi, M.1, AuthorResmi, P. K.1, AuthorPlacinta, V1, AuthorPlews, J.1, AuthorCasasus, M. Plo1, AuthorPolci, F.1, AuthorLener, M. Poli1, AuthorPoliakova, M.1, AuthorPoluektov, A.1, AuthorPolukhina, N.1, AuthorPolyakov, I1, AuthorPolycarpo, E.1, AuthorPonce, S.1, AuthorPopov, D.1, AuthorPopov, S.1, AuthorPoslavskii, S.1, AuthorPrasanth, K.1, AuthorPromberger, L.1, AuthorProuve, C.1, AuthorPugatch, V1, AuthorPuill, V1, AuthorPunzi, G.1, AuthorQi, H.1, AuthorQian, W.1, AuthorQin, N.1, AuthorQuagliani, R.1, AuthorRaab V, N.1, AuthorTrejo, R. I. Rabadan1, AuthorRachwal, B.1, AuthorRademacker, J. H.1, AuthorRajagopalan, R.1, AuthorRama, M.1, AuthorPernas, M. Ramos1, AuthorRangel, M. S.1, AuthorRatnikov, F.1, AuthorRaven, G.1, AuthorReboud, M.1, AuthorRedi, F.1, AuthorReiss, F.1, AuthorRemon Alepuz, C.1, AuthorRen, Z.1, AuthorRenaudin, V1, AuthorRibatti, R.1, AuthorRicci, A. M.1, AuthorRicciardi, S.1, AuthorRinnert, K.1, AuthorRobbe, P.1, AuthorRobertson, G.1, AuthorRodrigues, A. B.1, AuthorRodrigues, E.1, AuthorRodriguez Lopez, J. A.1, AuthorRodriguez Rodriguez, E. R. R.1, AuthorRollings, A.1, AuthorRoloff, P.1, AuthorRomanovskiy, V1, AuthorRomero Lamas, M.1, AuthorRomero Vidal, A.1, AuthorRoth, J. D.1, AuthorRotondo, M.1, AuthorRudolph, M. S.1, AuthorRuf, T.1, AuthorRuiz Fernandez, R. A.1, AuthorVidal, J. Ruiz1, AuthorRyzhikov, A.1, AuthorRyzka, J.1, AuthorSaborido Silva, J. J.1, AuthorSagidova, N.1, AuthorSahoo, N.1, AuthorSaitta, B.1, AuthorSalomoni, M.1, AuthorGras, C. Sanchez1, AuthorSantacesaria, R.1, AuthorSantamarina Rios, C.1, AuthorSantimaria, M.1, AuthorSantovetti, E.1, AuthorSaranin, D.1, AuthorSarpis, G.1, AuthorSarpis, M.1, AuthorSarti, A.1, AuthorSatriano, C.1, AuthorSatta, A.1, AuthorSaur, M.1, AuthorSavrina, D.1, AuthorSazak, H.1, AuthorSmead, L. G. 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2Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society, ou_2074298              

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 MPINP: LHCb - Abteilung Hinton
 Abstract: The first observation of the semileptonic b-baryon decay Lambda(0)(b) -> Lambda(+)(c) tau(-)(nu) over bar (tau) with a significance of 6.1 sigma, is reported using a data sample corresponding to 3 fb(-1) of integrated luminosity, collected by the LHCb experiment at center-of-mass energies of 7 and 8 TeV at the LHC. The tau(-) lepton is reconstructed in the hadronic decay to three charged pions. The ratio K = B(Lambda(0)(b) -> Lambda(+)(c) tau(-)(nu) over bar (tau))/B(Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-)) is measured to be 2.46 +/- 0.27 +/- 0.40, where the first uncertainty is statistical and the second systematic. The branching fraction B(Lambda(0)(b) -> Lambda(+)(c) tau(-)(nu) over bar (tau)) (1.50 +/- 0.16 +/- 0.25 +/- 0.23)% is obtained, where the third uncertainty is from the external branching fraction of the normalization channel Lambda(0)(b) -> Lambda(+)(c)pi(-)pi(+)pi(-). The ratio of semileptonic branching fractions R(Lambda(+)(c)) B(Lambda(0)(b) -> Lambda(+)(c) tau(-)(nu) over bar (tau))/B(Lambda(0)(b) -> Lambda(+)(c)mu(-)(nu) over bar (tau)) is derived to be 0.242 +/- 0.026 +/- 0.040 +/- 0.059, where the external branching fraction uncertainty from the channel Lambda(0)(b) -> Lambda(+)(c)mu(-)(nu) over bar (tau) contributes to the last term. This result is in agreement with the standard model prediction.

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 Dates: 2022-05-13
 Publication Status: Published online
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 Identifiers: DOI: 10.1103/PhysRevLett.128.191803
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 128 (19) Sequence Number: 191803 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1