Improved determination of the $D \to K^-\pi^+\pi^+\pi^-$ coherence factor and associated hadronic parameters from a combination of $e^+e^-\to \psi(3770)\to c\bar{c}$ and $pp \to c \bar{c} X$ data

(2016)

Authors:

T Evans, ST Harnew, J Libby, S Malde, J Rademacker, G Wilkinson

Angular analysis of the B 0 → K *0 μ + μ − decay using 3 fb−1 of integrated luminosity

Journal of High Energy Physics Springer Berlin Heidelberg 2016:104 (2016)

Authors:

R Aaij, C Abellán Beteta, B Adeva, SF Cheung, T Evans, P Gandini, R Gauld, E Greening, T Hadavizadeh, Neville Harnew, D Hill, N Hussain, J Jalocha, M John, O Lupton, S Malde, A Nandi, E Smith, S Stevenson, C Thomas, S Topp-Joergensen, N Torr, G Wilkinson

Abstract:

An angular analysis of the B0 → K*0(→ K+π−)μ+μ− decay is presented. The dataset corresponds to an integrated luminosity of 3.0 fb−1 of pp collision data collected at the LHCb experiment. The complete angular information from the decay is used to determine CP-averaged observables and CP asymmetries, taking account of possible contamination from decays with the K+π− system in an S-wave configuration. The angular observables and their correlations are reported in bins of q2, the invariant mass squared of the dimuon system. The observables are determined both from an unbinned maximum likelihood fit and by using the principal moments of the angular distribution. In addition, by fitting for q2-dependent decay amplitudes in the region 1.1 < q2 < 6.0 GeV2/c4, the zero-crossing points of several angular observables are computed. A global fit is performed to the complete set of CP-averaged observables obtained from the maximum likelihood fit. This fit indicates differences with predictions based on the Standard Model at the level of 3.4 standard deviations. These differences could be explained by contributions from physics beyond the Standard Model, or by an unexpectedly large hadronic effect that is not accounted for in the Standard Model predictions.[Figure not available: see fulltext.]

Study of DsJ(*) + mesons decaying to D∗ +KS0 and D*0K+ final states

Journal of High Energy Physics Springer Nature 2016:2 (2016) 133

Authors:

The LHCb collaboration, R Aaij, C Abellán Beteta, B Adeva, M Adinolfi, A Affolder, Z Ajaltouni, S Akar, J Albrecht, F Alessio, M Alexander, S Ali, G Alkhazov, P Alvarez Cartelle, AA Alves, S Amato, S Amerio, Y Amhis, L An, L Anderlini, G Andreassi, M Andreotti, JE Andrews, RB Appleby, O Aquines Gutierrez, F Archilli, P d’Argent, A Artamonov, M Artuso, E Aslanides, G Auriemma, M Baalouch, S Bachmann, JJ Back, A Badalov, C Baesso, W Baldini, RJ Barlow, C Barschel, S Barsuk, W Barter, V Batozskaya, V Battista, A Bay, L Beaucourt, J Beddow, F Bedeschi, I Bediaga, LJ Bel, V Bellee, N Belloli, I Belyaev, E Ben-Haim, G Bencivenni, S Benson, J Benton, A Berezhnoy, R Bernet, A Bertolin, M-O Bettler, M van Beuzekom, S Bifani, P Billoir, T Bird, A Birnkraut, A Bizzeti, T Blake, F Blanc, J Blouw, S Blusk, V Bocci, A Bondar, N Bondar, W Bonivento, S Borghi, M Borisyak, M Borsato, TJV Bowcock, E Bowen, C Bozzi, S Braun, M Britsch, T Britton, J Brodzicka, NH Brook, E Buchanan, C Burr, A Bursche, J Buytaert, S Cadeddu, R Calabrese, M Calvi, M Calvo Gomez, P Campana, D Campora Perez, L Capriotti, A Carbone, G Carboni, R Cardinale, A Cardini, P Carniti, L Carson, K Carvalho Akiba, G Casse, L Cassina, L Castillo Garcia, M Cattaneo, Ch Cauet, G Cavallero, R Cenci, M Charles, Ph Charpentier, M Chefdeville, S Chen, S-F Cheung, N Chiapolini, M Chrzaszcz, X Cid Vidal, G Ciezarek, PEL Clarke, M Clemencic, HV Cliff, J Closier, V Coco, J Cogan, E Cogneras, V Cogoni, L Cojocariu, G Collazuol, P Collins, A Comerma-Montells, A Contu, A Cook, M Coombes, S Coquereau, G Corti, M Corvo, B Couturier, GA Cowan, DC Craik, A Crocombe, M Cruz Torres, S Cunliffe, R Currie, C D’Ambrosio, E Dall’Occo, J Dalseno, PNY David, A Davis, O De Aguiar Francisco, K De Bruyn, S De Capua, M De Cian, JM De Miranda, L De Paula, P De Simone, C-T Dean, D Decamp, M Deckenhoff, L Del Buono, N Déléage, M Demmer, D Derkach, O Deschamps, F Dettori, B Dey, A Di Canto, F Di Ruscio, H Dijkstra, S Donleavy, F Dordei, M Dorigo, A Dosil Suárez, A Dovbnya, K Dreimanis, L Dufour, G Dujany, K Dungs, P Durante, R Dzhelyadin, A Dziurda, A Dzyuba, S Easo, U Egede, V Egorychev, S Eidelman, S Eisenhardt, U Eitschberger, R Ekelhof, L Eklund, I El Rifai, Ch Elsasser, S Ely, S Esen, HM Evans, T Evans, M Fabianska, A Falabella, C Färber, N Farley, S Farry, R Fay, D Ferguson, V Fernandez Albor, F Ferrari, F Ferreira Rodrigues, M Ferro-Luzzi, S Filippov, M Fiore, M Fiorini, M Firlej, C Fitzpatrick, T Fiutowski, F Fleuret, K Fohl, P Fol, M Fontana, F Fontanelli, DC Forshaw, R Forty, M Frank, C Frei, M Frosini, J Fu, E Furfaro, A Gallas Torreira, D Galli, S Gallorini, S Gambetta, M Gandelman, P Gandini, Y Gao, J García Pardiñas, J Garra Tico, L Garrido, D Gascon, C Gaspar, R Gauld, L Gavardi, G Gazzoni, D Gerick, E Gersabeck, M Gersabeck, T Gershon, Ph Ghez, S Gianì, V Gibson, OG Girard, L Giubega, VV Gligorov, C Göbel, D Golubkov, A Golutvin, A Gomes, C Gotti, M Grabalosa Gándara, R Graciani Diaz, LA Granado Cardoso, E Graugés, E Graverini, G Graziani, A Grecu, E Greening, P Griffith, L Grillo, O Grünberg, B Gui, E Gushchin, Yu Guz, T Gys, T Hadavizadeh, C Hadjivasiliou, G Haefeli, C Haen, SC Haines, S Hall, B Hamilton, X Han, S Hansmann-Menzemer, N Harnew, ST Harnew, J Harrison, J He, T Head, V Heijne, A Heister, K Hennessy, P Henrard, L Henry, JA Hernando Morata, E van Herwijnen, M Heß, A Hicheur, D Hill, M Hoballah, C Hombach, W Hulsbergen, T Humair, M Hushchyn, N Hussain, D Hutchcroft, D Hynds, M Idzik, P Ilten, R Jacobsson, A Jaeger, J Jalocha, E Jans, A Jawahery, M John, D Johnson, CR Jones, C Joram, B Jost, N Jurik, S Kandybei, W Kanso, M Karacson, TM Karbach, S Karodia, M Kecke, M Kelsey, IR Kenyon, M Kenzie, T Ketel, E Khairullin, B Khanji, C Khurewathanakul, T Kirn, S Klaver, K Klimaszewski, O Kochebina, M Kolpin, I Komarov, RF Koopman, P Koppenburg, M Kozeiha, L Kravchuk, K Kreplin, M Kreps, P Krokovny, F Kruse, W Krzemien, W Kucewicz, M Kucharczyk, V Kudryavtsev, AK Kuonen, K Kurek, T Kvaratskheliya, D Lacarrere, G Lafferty, A Lai, D Lambert, G Lanfranchi, C Langenbruch, B Langhans, T Latham, C Lazzeroni, R Le Gac, J van Leerdam, J-P Lees, R Lefèvre, A Leflat, J Lefrançois, E Lemos Cid, O Leroy, T Lesiak, B Leverington, Y Li, T Likhomanenko, M Liles, R Lindner, C Linn, F Lionetto, B Liu, X Liu, D Loh, I Longstaff, JH Lopes, D Lucchesi, M Lucio Martinez, H Luo, A Lupato, E Luppi, O Lupton, A Lusiani, F Machefert, F Maciuc, O Maev, K Maguire, S Malde, A Malinin, G Manca, G Mancinelli, P Manning, A Mapelli, J Maratas, JF Marchand, U Marconi, C Marin Benito, P Marino, J Marks, G Martellotti, M Martin, M Martinelli, D Martinez Santos, F Martinez Vidal, D Martins Tostes, LM Massacrier, A Massafferri, R Matev, A Mathad, Z Mathe, C Matteuzzi, A Mauri, B Maurin, A Mazurov, M McCann, J McCarthy, A McNab, R McNulty, B Meadows, F Meier, M Meissner, D Melnychuk, M Merk, E Michielin, DA Milanes, M-N Minard, DS Mitzel, J Molina Rodriguez, IA Monroy, S Monteil, M Morandin, P Morawski, A Mordà, MJ Morello, J Moron, AB Morris, R Mountain, F Muheim, D Müller, J Müller, K Müller, V Müller, M Mussini, B Muster, P Naik, T Nakada, R Nandakumar, A Nandi, I Nasteva, M Needham, N Neri, S Neubert, N Neufeld, M Neuner, AD Nguyen, TD Nguyen, C Nguyen-Mau, V Niess, R Niet, N Nikitin, T Nikodem, A Novoselov, DP O’Hanlon, A Oblakowska-Mucha, V Obraztsov, S Ogilvy, O Okhrimenko, R Oldeman, CJG Onderwater, B Osorio Rodrigues, JM Otalora Goicochea, A Otto, P Owen, A Oyanguren, A Palano, F Palombo, M Palutan, J Panman, A Papanestis, M Pappagallo, LL Pappalardo, C Pappenheimer, W Parker, C Parkes, G Passaleva, GD Patel, M Patel, C Patrignani, A Pearce, A Pellegrino, G Penso, M Pepe Altarelli, S Perazzini, P Perret, L Pescatore, K Petridis, A Petrolini, M Petruzzo, E Picatoste Olloqui, B Pietrzyk, M Pikies, D Pinci, A Pistone, A Piucci, S Playfer, M Plo Casasus, T Poikela, F Polci, A Poluektov, I Polyakov, E Polycarpo, A Popov, D Popov, B Popovici, C Potterat, E Price, JD Price, J Prisciandaro, A Pritchard, C Prouve, V Pugatch, A Puig Navarro, G Punzi, W Qian, R Quagliani, B Rachwal, JH Rademacker, M Rama, M Ramos Pernas, MS Rangel, I Raniuk, N Rauschmayr, G Raven, F Redi, S Reichert, AC dos Reis, V Renaudin, S Ricciardi, S Richards, M Rihl, K Rinnert, V Rives Molina, P Robbe, AB Rodrigues, E Rodrigues, JA Rodriguez Lopez, P Rodriguez Perez, S Roiser, V Romanovsky, A Romero Vidal, JW Ronayne, M Rotondo, T Ruf, P Ruiz Valls, JJ Saborido Silva, N Sagidova, B Saitta, V Salustino Guimaraes, C Sanchez Mayordomo, B Sanmartin Sedes, R Santacesaria, C Santamarina Rios, M Santimaria, E Santovetti, A Sarti, C Satriano, A Satta, DM Saunders, D Savrina, S Schael, M Schiller, H Schindler, M Schlupp, M Schmelling, T Schmelzer, B Schmidt, O Schneider, A Schopper, M Schubiger, M-H Schune, R Schwemmer, B Sciascia, A Sciubba, A Semennikov, A Sergi, N Serra, J Serrano, L Sestini, P Seyfert, M Shapkin, I Shapoval, Y Shcheglov, T Shears, L Shekhtman, V Shevchenko, A Shires, BG Siddi, R Silva Coutinho, L Silva de Oliveira, G Simi, M Sirendi, N Skidmore, T Skwarnicki, E Smith, E Smith, IT Smith, J Smith, M Smith, H Snoek, MD Sokoloff, FJP Soler, F Soomro, D Souza, B Souza De Paula, B Spaan, P Spradlin, S Sridharan, F Stagni, M Stahl, S Stahl, S Stefkova, O Steinkamp, O Stenyakin, S Stevenson, S Stoica, S Stone, B Storaci, S Stracka, M Straticiuc, U Straumann, L Sun, W Sutcliffe, K Swientek, S Swientek, V Syropoulos, M Szczekowski, T Szumlak, S T’Jampens, A Tayduganov, T Tekampe, G Tellarini, F Teubert, C Thomas, E Thomas, J van Tilburg, V Tisserand, M Tobin, J Todd, S Tolk, L Tomassetti, D Tonelli, S Topp-Joergensen, N Torr, E Tournefier, S Tourneur, K Trabelsi, M Traill, MT Tran, M Tresch, A Trisovic, A Tsaregorodtsev, P Tsopelas, N Tuning, A Ukleja, A Ustyuzhanin, U Uwer, C Vacca, V Vagnoni, G Valenti, A Vallier, R Vazquez Gomez, P Vazquez Regueiro, C Vázquez Sierra, S Vecchi, M van Veghel, JJ Velthuis, M Veltri, G Veneziano, M Vesterinen, B Viaud, D Vieira, M Vieites Diaz, X Vilasis-Cardona, V Volkov, A Vollhardt, D Voong, A Vorobyev, V Vorobyev, C Voß, JA de Vries, R Waldi, C Wallace, R Wallace, J Walsh, J Wang, DR Ward, NK Watson, D Websdale, A Weiden, M Whitehead, J Wicht, G Wilkinson, M Wilkinson, M Williams, MP Williams, M Williams, T Williams, FF Wilson, J Wimberley, J Wishahi, W Wislicki, M Witek, G Wormser, SA Wotton, K Wraight, S Wright, K Wyllie, Y Xie, Z Xu, Z Yang, J Yu, X Yuan, O Yushchenko, M Zangoli, M Zavertyaev, L Zhang, Y Zhang, A Zhelezov, A Zhokhov, L Zhong, V Zhukov, S Zucchelli

Symbiotic Transition‐Metal and Organocatalysis for Catalytic Ambient Amine Oxidation and Alkene Reduction Reactions

ChemCatChem Wiley 8:3 (2016) 510-514

Authors:

Alexander T Murray, Rose King, Joseph VG Donnelly, Myles JH Dowley, Floriana Tuna, Daniel Sells, Matthew P John, David R Carbery

First observation of the rare 𝐵+ → 𝐷+ 𝐾+ π− decay

Physical Review D American Physical Society 93 (2016)

Authors:

R Aaij, C Abellán Beteta, B Adeva, SF Cheung, T Evans, P Gandini, R Gauld, E Greening, T Hadavizadeh, Neville Harnew, D Hill, N Hussain, J Jalocha, M John, O Lupton, S Malde, A Nandi, E Smith, S Stevenson, C Thomas, S Topp-Joergensen, N Torr, G Wilkinson

Abstract:

The B+→D+K+π- decay is observed in a data sample corresponding to 3.0 fb-1 of pp collision data recorded by the LHCb experiment during 2011 and 2012. The signal significance is 8σ and the branching fraction is measured to be B(B+→D+K+π-)=(5.31±0.90±0.48±0.35)×10-6, where the uncertainties are statistical, systematic and due to the normalization mode B+→D-K+π+, respectively. The Dalitz plot appears to be dominated by broad structures. Angular distributions are exploited to search for quasi-two-body contributions from B+→D2∗(2460)0K+ and B+→D+K∗(892)0 decays. No significant signals are observed and upper limits are set on their branching fractions.