학술논문

Measurement of resonant and $CP$ components in $\overline{B}_s^0\rightarrow J/\psi \pi^+\pi^-$ decays
Document Type
Working Paper
Author
LHCb collaborationAaij, R.Adeva, B.Adinolfi, M.Affolder, A.Ajaltouni, Z.Albrecht, J.Alessio, F.Alexander, M.Ali, S.Alkhazov, G.Cartelle, P. AlvarezAlves Jr, A. A.Amato, S.Amerio, S.Amhis, Y.Anderlini, L.Anderson, J.Andreassen, R.Andreotti, M.Andrews, J. E.Appleby, R. B.Gutierrez, O. AquinesArchilli, F.Artamonov, A.Artuso, M.Aslanides, E.Auriemma, G.Baalouch, M.Bachmann, S.Back, J. J.Badalov, A.Balagura, V.Baldini, W.Barlow, R. J.Barschel, C.Barsuk, S.Barter, W.Batozskaya, V.Bauer, Th.Bay, A.Beddow, J.Bedeschi, F.Bediaga, I.Belogurov, S.Belous, K.Belyaev, I.Ben-Haim, E.Bencivenni, G.Benson, S.Benton, J.Berezhnoy, A.Bernet, R.Bettler, M. -O.van Beuzekom, M.Bien, A.Bifani, S.Bird, T.Bizzeti, A.Bjørnstad, P. M.Blake, T.Blanc, F.Blouw, J.Blusk, S.Bocci, V.Bondar, A.Bondar, N.Bonivento, W.Borghi, S.Borgia, A.Borsato, M.Bowcock, T. J. V.Bowen, E.Bozzi, C.Brambach, T.Brand, J. van denBressieux, J.Brett, D.Britsch, M.Britton, T.Brook, N. H.Brown, H.Bursche, A.Busetto, G.Buytaert, J.Cadeddu, S.Calabrese, R.Callot, O.Calvi, M.Gomez, M. CalvoCamboni, A.Campana, P.Perez, D. CamporaCaponio, F.Carbone, A.Carboni, G.Cardinale, R.Cardini, A.Carranza-Mejia, H.Carson, L.Akiba, K. CarvalhoCasse, G.Cassina, L.Garcia, L. CastilloCattaneo, M.Cauet, Ch.Cenci, R.Charles, M.Charpentier, Ph.Cheung, S. -F.Chiapolini, N.Chrzaszcz, M.Ciba, K.Vidal, X. CidCiezarek, G.Clarke, P. E. L.Clemencic, M.Cliff, H. V.Closier, J.Coca, C.Coco, V.Cogan, J.Cogneras, E.Collins, P.Comerma-Montells, A.Contu, A.Cook, A.Coombes, M.Coquereau, S.Corti, G.Counts, I.Couturier, B.Cowan, G. A.Craik, D. C.Torres, M. CruzCunliffe, S.Currie, R.D'Ambrosio, C.Dalseno, J.David, P.David, P. N. Y.Davis, A.De Bonis, I.De Bruyn, K.De Capua, S.De Cian, M.De Miranda, J. M.De Paula, L.De Silva, W.De Simone, P.Decamp, D.Deckenhoff, M.Del Buono, L.Déléage, N.Derkach, D.Deschamps, O.Dettori, F.Di Canto, A.Dijkstra, H.Donleavy, S.Dordei, F.Dorigo, M.Dorosz, P.Suárez, A. DosilDossett, D.Dovbnya, A.Dupertuis, F.Durante, P.Dzhelyadin, R.Dziurda, A.Dzyuba, A.Easo, S.Egede, U.Egorychev, V.Eidelman, S.Eisenhardt, S.Eitschberger, U.Ekelhof, R.Eklund, L.Rifai, I. ElElsasser, Ch.Esen, S.Falabella, A.Färber, C.Farinelli, C.Farry, S.Ferguson, D.Albor, V. FernandezRodrigues, F. FerreiraFerro-Luzzi, M.Filippov, S.Fiore, M.Fiorini, M.Fitzpatrick, C.Fontana, M.Fontanelli, F.Forty, R.Francisco, O.Frank, M.Frei, C.Frosini, M.Fu, J.Furfaro, E.Torreira, A. GallasGalli, D.Gambetta, S.Gandelman, M.Gandini, P.Gao, Y.Garofoli, J.Tico, J. GarraGarrido, L.Gaspar, C.Gauld, R.Gavardi, L.Gersabeck, E.Gersabeck, M.Gershon, T.Ghez, Ph.Gianelle, A.Giani', S.Gibson, V.Giubega, L.Gligorov, V. V.Göbel, C.Golubkov, D.Golutvin, A.Gomes, A.Gordon, H.Gándara, M. GrabalosaDiaz, R. GracianiCardoso, L. A. GranadoGraugés, E.Graziani, G.Grecu, A.Greening, E.Gregson, S.Griffith, P.Grillo, L.Grünberg, O.Gui, B.Gushchin, E.Guz, Yu.Gys, T.Hadjivasiliou, C.Haefeli, G.Haen, C.Hafkenscheid, T. W.Haines, S. C.Hall, S.Hamilton, B.Hampson, T.Hansmann-Menzemer, S.Harnew, N.Harnew, S. T.Harrison, J.Hartmann, T.He, J.Head, T.Heijne, V.Hennessy, K.Henrard, P.Henry, L.Morata, J. A. Hernandovan Herwijnen, E.Heß, M.Hicheur, A.Hill, D.Hoballah, M.Hombach, C.Hulsbergen, W.Hunt, P.Hussain, N.Hutchcroft, D.Hynds, D.Idzik, M.Ilten, P.Jacobsson, R.Jaeger, A.Jans, E.Jaton, P.Jawahery, A.Jing, F.John, M.Johnson, D.Jones, C. R.Joram, C.Jost, B.Jurik, N.Kaballo, M.Kandybei, S.Kanso, W.Karacson, M.Karbach, T. M.Kelsey, M.Kenyon, I. R.Ketel, T.Khanji, B.Khurewathanakul, C.Klaver, S.Kochebina, O.Komarov, I.Koopman, R. F.Koppenburg, P.Korolev, M.Kozlinskiy, A.Kravchuk, L.Kreplin, K.Kreps, M.Krocker, G.Krokovny, P.Kruse, F.Kucharczyk, M.Kudryavtsev, V.Kurek, K.Kvaratskheliya, T.La Thi, V. N.Lacarrere, D.Lafferty, G.Lai, A.Lambert, D.Lambert, R. W.Lanciotti, E.Lanfranchi, G.Langenbruch, C.Langhans, B.Latham, T.Lazzeroni, C.Gac, R. Levan Leerdam, J.Lees, J. -P.Lefèvre, R.Leflat, A.Lefrançois, J.Leo, S.Leroy, O.Lesiak, T.Leverington, B.Li, Y.Liles, M.Lindner, R.Linn, C.Lionetto, F.Liu, B.Liu, G.Lohn, S.Longstaff, I.Lopes, J. H.Lopez-March, N.Lowdon, P.Lu, H.Lucchesi, D.Luo, H.Luppi, E.Lupton, O.Machefert, F.Machikhiliyan, I. V.Maciuc, F.Maev, O.Malde, S.Manca, G.Mancinelli, G.Manzali, M.Maratas, J.Marconi, U.Benito, C. MarinMarino, P.Märki, R.Marks, J.Martellotti, G.Martens, A.Sánchez, A. MartínMartinelli, M.Santos, D. MartinezVidal, F. MartinezTostes, D. MartinsMassafferri, A.Matev, R.Mathe, Z.Matteuzzi, C.Mazurov, A.McCann, M.McCarthy, J.McNab, A.McNulty, R.McSkelly, B.Meadows, B.Meier, F.Meissner, M.Merk, M.Milanes, D. A.Minard, M. -N.Rodriguez, J. MolinaMonteil, S.Moran, D.Morandin, M.Morawski, P.Mordà, A.Morello, M. J.Mountain, R.Muheim, F.Müller, K.Muresan, R.Muryn, B.Muster, B.Naik, P.Nakada, T.Nandakumar, R.Nasteva, I.Needham, M.Neri, N.Neubert, S.Neufeld, N.Nguyen, A. D.Nguyen, T. D.Nguyen-Mau, C.Nicol, M.Niess, V.Niet, R.Nikitin, N.Nikodem, T.Novoselov, A.Oblakowska-Mucha, A.Obraztsov, V.Oggero, S.Ogilvy, S.Okhrimenko, O.Oldeman, R.Onderwater, G.Orlandea, M.Goicochea, J. M. OtaloraOwen, P.Oyanguren, A.Pal, B. K.Palano, A.Palombo, F.Palutan, M.Panman, J.Papanestis, A.Pappagallo, M.Pappalardo, L.Parkes, C.Parkinson, C. J.Passaleva, G.Patel, G. D.Patel, M.Patrignani, C.Pavel-Nicorescu, C.Alvarez, A. PazosPearce, A.Pellegrino, A.Altarelli, M. PepePerazzini, S.Trigo, E. PerezPerret, P.Perrin-Terrin, M.Pescatore, L.Pesen, E.Pessina, G.Petridis, K.Petrolini, A.Olloqui, E. PicatostePietrzyk, B.Pilař, T.Pinci, D.Pistone, A.Playfer, S.Casasus, M. PloPolci, F.Poluektov, A.Polycarpo, E.Popov, A.Popov, D.Popovici, B.Potterat, C.Powell, A.Prisciandaro, J.Pritchard, A.Prouve, C.Pugatch, V.Navarro, A. PuigPunzi, G.Qian, W.Rachwal, B.Rademacker, J. H.Rakotomiaramanana, B.Rama, M.Rangel, M. S.Raniuk, I.Rauschmayr, N.Raven, G.Reichert, S.Reid, M. M.Reis, A. C. dosRicciardi, S.Richards, A.Rinnert, K.Molina, V. RivesRomero, D. A. RoaRobbe, P.Roberts, D. A.Rodrigues, A. B.Rodrigues, E.Perez, P. RodriguezRoiser, S.Romanovsky, V.Vidal, A. RomeroRotondo, M.Rouvinet, J.Ruf, T.Ruffini, F.Ruiz, H.Valls, P. RuizSabatino, G.Silva, J. J. SaboridoSagidova, N.Sail, P.Saitta, B.Guimaraes, V. SalustinoSedes, B. SanmartinSantacesaria, R.Rios, C. SantamarinaSantovetti, E.Sapunov, M.Sarti, A.Satriano, C.Satta, A.Savrie, M.Savrina, D.Schiller, M.Schindler, H.Schlupp, M.Schmelling, M.Schmidt, B.Schneider, O.Schopper, A.Schune, M. -H.Schwemmer, R.Sciascia, B.Sciubba, A.Seco, M.Semennikov, A.Senderowska, K.Sepp, I.Serra, N.Serrano, J.Seyfert, P.Shapkin, M.Shapoval, I.Shcheglov, Y.Shears, T.Shekhtman, L.Shevchenko, O.Shevchenko, V.Shires, A.Coutinho, R. SilvaSimi, G.Sirendi, M.Skidmore, N.Skwarnicki, T.Smith, N. A.Smith, E.Smith, J.Smith, M.Snoek, H.Sokoloff, M. D.Soler, F. J. P.Soomro, F.Souza, D.De Paula, B. SouzaSpaan, B.Sparkes, A.Spinella, F.Spradlin, P.Stagni, F.Stahl, S.Steinkamp, O.Stevenson, S.Stoica, S.Stone, S.Storaci, B.Stracka, S.Straticiuc, M.Straumann, U.Stroili, R.Subbiah, V. K.Sun, L.Sutcliffe, W.Swientek, S.Syropoulos, V.Szczekowski, M.Szczypka, P.Szilard, D.Szumlak, T.T'Jampens, S.Teklishyn, M.Tellarini, G.Teodorescu, E.Teubert, F.Thomas, C.Thomas, E.van Tilburg, J.Tisserand, V.Tobin, M.Tolk, S.Tomassetti, L.Tonelli, D.Topp-Joergensen, S.Torr, N.Tournefier, E.Tourneur, S.Tran, M. T.Tresch, M.Tsaregorodtsev, A.Tsopelas, P.Tuning, N.Garcia, M. UbedaUkleja, A.Ustyuzhanin, A.Uwer, U.Vagnoni, V.Valenti, G.Vallier, A.Gomez, R. VazquezRegueiro, P. VazquezSierra, C. VázquezVecchi, S.Velthuis, J. J.Veltri, M.Veneziano, G.Vesterinen, M.Viaud, B.Vieira, D.Vilasis-Cardona, X.Vollhardt, A.Volyanskyy, D.Voong, D.Vorobyev, A.Vorobyev, V.Voß, C.Voss, H.de Vries, J. A.Waldi, R.Wallace, C.Wallace, R.Wandernoth, S.Wang, J.Ward, D. R.Watson, N. K.Webber, A. D.Websdale, D.Whitehead, M.Wicht, J.Wiechczynski, J.Wiedner, D.Wilkinson, G.Williams, M. P.Williams, M.Wilson, F. F.Wimberley, J.Wishahi, J.Wislicki, W.Witek, M.Wormser, G.Wotton, S. A.Wright, S.Wu, S.Wyllie, K.Xie, Y.Xing, Z.Yang, Z.Yuan, X.Yushchenko, O.Zangoli, M.Zavertyaev, M.Zhang, F.Zhang, L.Zhang, W. C.Zhang, Y.Zhelezov, A.Zhokhov, A.Zhong, L.Zvyagin, A.
Source
Phys. Rev. D 89, 092006 (2014)
Subject
High Energy Physics - Experiment
Language
Abstract
The resonant structure of the decay $\overline{B}_s^0\to J/\psi\pi^+\pi^-$ is studied using data corresponding to 3 fb$^{-1}$ of integrated luminosity from $pp$ collisions by the LHC and collected by the LHCb detector. Five interfering $\pi^+\pi^-$ states are required to describe the decay: $f_0(980),f_0(1500),f_0(1790),f_2(1270)$, and $f_2^{\prime}(1525)$. An alternative model including these states and a non-resonant $J/\psi \pi^+\pi^-$ component also provides a good description of the data. Based on the different transversity components measured for the spin-2 intermediate states, the final state is found to be compatible with being entirely $CP$-odd. The $CP$-even part is found to be $<2.3$% at 95% confidence level. The $f_0(500)$ state is not observed, allowing a limit to be set on the absolute value of the mixing angle with the $f_0(980)$ of $<7.7^{\circ}$ at 90% confidence level, consistent with a tetraquark interpretation of the $f_0(980)$ substructure.
Comment: 31 pages, 20 figures