학술논문

Observation of $B_s^0 \to \overline{D}^{*0} \phi$ and search for $B^0 \to \overline{D}^0 \phi$ decays
Document Type
Working Paper
Author
LHCb collaborationAaij, R.Adeva, B.Adinolfi, M.Aidala, C. A.Ajaltouni, Z.Akar, S.Albicocco, P.Albrecht, J.Alessio, F.Alexander, M.Albero, A. AlfonsoAli, S.Alkhazov, G.Cartelle, P. AlvarezAlves Jr, A. A.Amato, S.Amerio, S.Amhis, Y.An, L.Anderlini, L.Andreassi, G.Andreotti, M.Andrews, J. E.Appleby, R. B.Archilli, F.d'Argent, P.Romeu, J. ArnauArtamonov, A.Artuso, M.Arzymatov, K.Aslanides, E.Atzeni, M.Bachmann, S.Back, J. J.Baker, S.Balagura, V.Baldini, W.Baranov, A.Barlow, R. J.Barsuk, S.Barter, W.Baryshnikov, F.Batozskaya, V.Batsukh, B.Battista, V.Bay, A.Beddow, J.Bedeschi, F.Bediaga, I.Beiter, A.Bel, L. J.Beliy, N.Bellee, V.Belloli, N.Belous, K.Belyaev, I.Ben-Haim, E.Bencivenni, G.Benson, S.Beranek, S.Berezhnoy, A.Bernet, R.Berninghoff, D.Bertholet, E.Bertolin, A.Betancourt, C.Betti, F.Bettler, M. O.van Beuzekom, M.Bezshyiko, Ia.Bifani, S.Billoir, P.Birnkraut, A.Bizzeti, A.Bjørn, M.Blake, T.Blanc, F.Blusk, S.Bobulska, D.Bocci, V.Garcia, O. BoenteBoettcher, T.Bondar, A.Bondar, N.Borghi, S.Borisyak, M.Borsato, M.Bossu, F.Boubdir, M.Bowcock, T. J. V.Bozzi, C.Braun, S.Brodski, M.Brodzicka, J.Brundu, D.Buchanan, E.Buonaura, A.Burr, C.Bursche, A.Buytaert, J.Byczynski, W.Cadeddu, S.Cai, H.Calabrese, R.Calladine, R.Calvi, M.Gomez, M. CalvoCamboni, A.Campana, P.Perez, D. H. CamporaCapriotti, L.Carbone, A.Carboni, G.Cardinale, R.Cardini, A.Carniti, P.Carson, L.Akiba, K. CarvalhoCasse, G.Cassina, L.Cattaneo, M.Cavallero, G.Cenci, R.Chamont, D.Chapman, M. G.Charles, M.Charpentier, Ph.Chatzikonstantinidis, G.Chefdeville, M.Chekalina, V.Chen, C.Chen, S.Chitic, S. -G.Chobanova, V.Chrzaszcz, M.Chubykin, A.Ciambrone, P.Vidal, X. CidCiezarek, G.Clarke, P. E. L.Clemencic, M.Cliff, H. V.Closier, J.Coco, V.Cogan, J.Cogneras, E.Cojocariu, L.Collins, P.Colombo, T.Comerma-Montells, A.Contu, A.Coombs, G.Coquereau, S.Corti, G.Corvo, M.Sobral, C. M. CostaCouturier, B.Cowan, G. A.Craik, D. C.Crocombe, A.Torres, M. CruzCurrie, R.D'Ambrosio, C.Marinho, F. Da CunhaDa Silva, C. L.Dall'Occo, E.Dalseno, J.Danilina, A.Davis, A.Francisco, O. De AguiarDe Bruyn, K.De Capua, S.De Cian, M.De Miranda, J. M.De Paula, L.De Serio, M.De Simone, P.Dean, C. T.Decamp, D.Del Buono, L.Delaney, B.Dembinski, H. -P.Demmer, M.Dendek, A.Derkach, D.Deschamps, O.Dettori, F.Dey, B.Di Canto, A.Di Nezza, P.Didenko, S.Dijkstra, H.Dordei, F.Dorigo, M.Suárez, A. DosilDouglas, L.Dovbnya, A.Dreimanis, K.Dufour, L.Dujany, G.Durante, P.Durham, J. M.Dutta, D.Dzhelyadin, R.Dziewiecki, M.Dziurda, A.Dzyuba, A.Easo, S.Egede, U.Egorychev, V.Eidelman, S.Eisenhardt, S.Eitschberger, U.Ekelhof, R.Eklund, L.Ely, S.Ene, A.Escher, S.Esen, S.Evans, H. M.Evans, T.Falabella, A.Farley, N.Farry, S.Fazzini, D.Federici, L.Fernandez, G.Declara, P. FernandezPrieto, A. FernandezFerrari, F.Lopes, L. FerreiraRodrigues, F. FerreiraFerro-Luzzi, M.Filippov, S.Fini, R. A.Fiorini, M.Firlej, M.Fitzpatrick, C.Fiutowski, T.Fleuret, F.Fontana, M.Fontanelli, F.Forty, R.Lima, V. FrancoFrank, M.Frei, C.Fu, J.Funk, W.Färber, C.Carvalho, M. Féo Pereira RivelloGabriel, E.Torreira, A. GallasGalli, D.Gallorini, S.Gambetta, S.Gandelman, M.Gandini, P.Gao, Y.Martin, L. M. GarciaPlana, B. GarciaPardiñas, J. GarcíaTico, J. GarraGarrido, L.Gascon, D.Gaspar, C.Gavardi, L.Gazzoni, G.Gerick, D.Gersabeck, E.Gersabeck, M.Gershon, T.Ghez, Ph.Gianì, S.Gibson, V.Girard, O. G.Giubega, L.Gizdov, K.Gligorov, V. V.Golubkov, D.Golutvin, A.Gomes, A.Gorelov, I. V.Gotti, C.Govorkova, E.Grabowski, J. P.Diaz, R. GracianiCardoso, L. A. GranadoGraugés, E.Graverini, E.Graziani, G.Grecu, A.Greim, R.Griffith, P.Grillo, L.Gruber, L.Cazon, B. R. GrubergGrünberg, O.Gu, C.Gushchin, E.Guz, Yu.Gys, T.Göbel, C.Hadavizadeh, T.Hadjivasiliou, C.Haefeli, G.Haen, C.Haines, S. C.Hamilton, B.Han, X.Hancock, T. H.Hansmann-Menzemer, S.Harnew, N.Harnew, S. T.Hasse, C.Hatch, M.He, J.Hecker, M.Heinicke, K.Heister, A.Hennessy, K.Henry, L.van Herwijnen, E.Heß, M.Hicheur, A.Hill, D.Hilton, M.Hopchev, P. H.Hu, W.Huang, W.Huard, Z. C.Hulsbergen, W.Humair, T.Hushchyn, M.Hutchcroft, D.Hynds, D.Ibis, P.Idzik, M.Ilten, P.Ivshin, K.Jacobsson, R.Jalocha, J.Jans, E.Jawahery, A.Jiang, F.John, M.Johnson, D.Jones, C. R.Joram, C.Jost, B.Jurik, N.Kandybei, S.Karacson, M.Kariuki, J. M.Karodia, S.Kazeev, N.Kecke, M.Keizer, F.Kelsey, M.Kenzie, M.Ketel, T.Khairullin, E.Khanji, B.Khurewathanakul, C.Kim, K. E.Kirn, T.Klaver, S.Klimaszewski, K.Klimkovich, T.Koliiev, S.Kolpin, M.Kopecna, R.Koppenburg, P.Kotriakhova, S.Kozeiha, M.Kravchuk, L.Kreps, M.Kress, F.Krokovny, P.Krupa, W.Krzemien, W.Kucewicz, W.Kucharczyk, M.Kudryavtsev, V.Kuonen, A. K.Kvaratskheliya, T.Lacarrere, D.Lafferty, G.Lai, A.Lancierini, D.Lanfranchi, G.Langenbruch, C.Latham, T.Lazzeroni, C.Gac, R. LeLeflat, A.Lefrançois, J.Lefèvre, R.Lemaitre, F.Leroy, O.Lesiak, T.Leverington, B.Li, P. -R.Li, T.Li, Z.Liang, X.Likhomanenko, T.Lindner, R.Lionetto, F.Lisovskyi, V.Liu, X.Loh, D.Loi, A.Longstaff, I.Lopes, J. H.Lucchesi, D.Martinez, M. LucioLupato, A.Luppi, E.Lupton, O.Lusiani, A.Lyu, X.Machefert, F.Maciuc, F.Macko, V.Mackowiak, P.Maddrell-Mander, S.Maev, O.Maguire, K.Maisuzenko, D.Majewski, M. W.Malde, S.Malecki, B.Malinin, A.Maltsev, T.Manca, G.Mancinelli, G.Marangotto, D.Maratas, J.Marchand, J. F.Marconi, U.Benito, C. MarinMarinangeli, M.Marino, P.Marks, J.Martellotti, G.Martin, M.Martinelli, M.Santos, D. MartinezVidal, F. MartinezMassafferri, A.Matev, R.Mathad, A.Mathe, Z.Matteuzzi, C.Mauri, A.Maurice, E.Maurin, B.Mazurov, A.McCann, M.McNab, A.McNulty, R.Mead, J. V.Meadows, B.Meaux, C.Meier, F.Meinert, N.Melnychuk, D.Merk, M.Merli, A.Michielin, E.Milanes, D. A.Millard, E.Minard, M. -N.Minzoni, L.Mitzel, D. S.Mogini, A.Rodriguez, J. MolinaMombächer, T.Monroy, I. A.Monteil, S.Morandin, M.Morello, G.Morello, M. J.Morgunova, O.Moron, J.Morris, A. B.Mountain, R.Muheim, F.Mulder, M.Müller, D.Müller, J.Müller, K.Müller, V.Naik, P.Nakada, T.Nandakumar, R.Nandi, A.Nanut, T.Nasteva, I.Needham, M.Neri, N.Neubert, S.Neufeld, N.Neuner, M.Nguyen, T. D.Nguyen-Mau, C.Nieswand, S.Niet, R.Nikitin, N.Nogay, A.O'Hanlon, D. P.Oblakowska-Mucha, A.Obraztsov, V.Ogilvy, S.Oldeman, R.Onderwater, C. J. G.Ossowska, A.Goicochea, J. M. OtaloraOwen, P.Oyanguren, A.Pais, P. R.Palano, A.Palutan, M.Panshin, G.Papanestis, A.Pappagallo, M.Pappalardo, L. L.Parker, W.Parkes, C.Passaleva, G.Pastore, A.Patel, M.Patrignani, C.Pearce, A.Pellegrino, A.Penso, G.Altarelli, M. PepePerazzini, S.Pereima, D.Perret, P.Pescatore, L.Petridis, K.Petrolini, A.Petrov, A.Petruzzo, M.Pietrzyk, B.Pietrzyk, G.Pikies, M.Pinci, D.Pinzino, J.Pisani, F.Pistone, A.Piucci, A.Placinta, V.Playfer, S.Plews, J.Casasus, M. PloPolci, F.Lener, M. PoliPoluektov, A.Polukhina, N.Polyakov, I.Polycarpo, E.Pomery, G. J.Ponce, S.Popov, A.Popov, D.Poslavskii, S.Potterat, C.Price, E.Prisciandaro, J.Prouve, C.Pugatch, V.Navarro, A. PuigPullen, H.Punzi, G.Qian, W.Qin, J.Quagliani, R.Quintana, B.Rachwal, B.Rademacker, J. H.Rama, M.Pernas, M. RamosRangel, M. S.Ratnikov, F.Raven, G.Salzgeber, M. RavonelReboud, M.Redi, F.Reichert, S.Reis, A. C. dosReiss, F.Alepuz, C. RemonRen, Z.Renaudin, V.Ricciardi, S.Richards, S.Rinnert, K.Robbe, P.Robert, A.Rodrigues, A. B.Rodrigues, E.Lopez, J. A. RodriguezRogozhnikov, A.Roiser, S.Rollings, A.Romanovskiy, V.Vidal, A. RomeroRotondo, M.Rudolph, M. S.Ruf, T.Vidal, J. RuizSilva, J. J. SaboridoSagidova, N.Saitta, B.Guimaraes, V. SalustinoGras, C. SanchezMayordomo, C. SanchezSedes, B. SanmartinSantacesaria, R.Rios, C. SantamarinaSantimaria, M.Santovetti, E.Sarpis, G.Sarti, A.Satriano, C.Satta, A.Saur, M.Savrina, D.Schael, S.Schellenberg, M.Schiller, M.Schindler, H.Schmelling, M.Schmelzer, T.Schmidt, B.Schneider, O.Schopper, A.Schreiner, H. F.Schubiger, M.Schune, M. H.Schwemmer, R.Sciascia, B.Sciubba, A.Semennikov, A.Sepulveda, E. S.Sergi, A.Serra, N.Serrano, J.Sestini, L.Seyfert, P.Shapkin, M.Shcheglov, Y.Shears, T.Shekhtman, L.Shevchenko, V.Shmanin, E.Siddi, B. G.Coutinho, R. Silvade Oliveira, L. SilvaSimi, G.Simone, S.Skidmore, N.Skwarnicki, T.Smith, E.Smith, I. T.Smith, M.Soares, M.Lavra, l. SoaresSokoloff, M. D.Soler, F. J. P.De Paula, B. SouzaSpaan, B.Spradlin, P.Stagni, F.Stahl, M.Stahl, S.Stefko, P.Stefkova, S.Steinkamp, O.Stemmle, S.Stenyakin, O.Stepanova, M.Stevens, H.Stone, S.Storaci, B.Stracka, S.Stramaglia, M. E.Straticiuc, M.Straumann, U.Strokov, S.Sun, J.Sun, L.Swientek, K.Syropoulos, V.Szumlak, T.Szymanski, M.T'Jampens, S.Tang, Z.Tayduganov, A.Tekampe, T.Tellarini, G.Teubert, F.Thomas, E.van Tilburg, J.Tilley, M. J.Tisserand, V.Tobin, M.Tolk, S.Tomassetti, L.Tonelli, D.Tou, D. Y.Aoude, R. Tourinho JadallahTournefier, E.Traill, M.Tran, M. T.Trisovic, A.Tsaregorodtsev, A.Tully, A.Tuning, N.Ukleja, A.Usachov, A.Ustyuzhanin, A.Uwer, U.Vacca, C.Vagner, A.Vagnoni, V.Valassi, A.Valat, S.Valenti, G.Gomez, R. VazquezRegueiro, P. VazquezVecchi, S.van Veghel, M.Velthuis, J. J.Veltri, M.Veneziano, G.Venkateswaran, A.Verlage, T. A.Vernet, M.Vesterinen, M.Barbosa, J. V. VianaVieira, D.Diaz, M. VieitesViemann, H.Vilasis-Cardona, X.Vitkovskiy, A.Vitti, M.Volkov, V.Vollhardt, A.Voneki, B.Vorobyev, A.Vorobyev, V.Voß, C.de Vries, J. A.Sierra, C. VázquezWaldi, R.Walsh, J.Wang, J.Wang, M.Wang, Y.Wang, Z.Ward, D. R.Wark, H. M.Watson, N. K.Websdale, D.Weiden, A.Weisser, C.Whitehead, M.Wicht, J.Wilkinson, G.Wilkinson, M.Williams, M. R. J.Williams, M.Williams, T.Wilson, F. F.Wimberley, J.Winn, M.Wishahi, J.Wislicki, W.Witek, M.Wormser, G.Wotton, S. A.Wyllie, K.Xiao, D.Xie, Y.Xu, A.Xu, M.Xu, Q.Xu, Z.Yang, Z.Yao, Y.Yin, H.Yu, J.Yuan, X.Yushchenko, O.Zarebski, K. A.Zavertyaev, M.Zhang, D.Zhang, L.Zhang, W. C.Zhang, Y.Zhelezov, A.Zheng, Y.Zhu, X.Zhukov, V.Zonneveld, J. B.Zucchelli, S.
Source
Phys. Rev. D 98, 071103 (2018)
Subject
High Energy Physics - Experiment
Language
Abstract
The first observation of the $B_s^0 \to \overline{D}^{*0} \phi$ decay is reported, with a significance of more than seven standard deviations, from an analysis of $pp$ collision data corresponding to an integrated luminosity of 3 fb$^{-1}$, collected with the LHCb detector at centre-of-mass energies of $7$ and $8$ TeV. The branching fraction is measured relative to that of the topologically similar decay $B^0 \to \overline{D}^0 \pi^+\pi^-$ and is found to be $\mathcal{B}(B_s^0 \to \overline{D}^{*0} \phi) = (3.7 \pm 0.5 \pm 0.3 \pm 0.2) \times 10^{-5}$, where the first uncertainty is statistical, the second systematic, and the third from the branching fraction of the $B^0 \to \overline{D}^0 \pi^+\pi^-$ decay. The fraction of longitudinal polarisation in this decay is measured to be ${f_{\rm L} =(73 \pm 15 \pm 3)\%}$. The most precise determination of the branching fraction for the $B_s^0 \to \overline{D}^{0} \phi$ decay is also obtained, $\mathcal{B}(B_s^0 \to \overline{D}^{0} \phi) = (3.0 \pm 0.3 \pm 0.2 \pm 0.2) \times 10^{-5}$. An upper limit, $\mathcal{B}(B^0 \to \overline{D}^{0} \phi) < 2.0 \ (2.2) \times 10^{-6}$ at $90\%$ (95\%) confidence level is set. A constraint on the $\omega-\phi$ mixing angle $\delta$ is set at $|\delta| < 5.2^\circ~ (5.5^\circ)$ at $90\%$ ($95\%$) confidence level.
Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2018-015.html