Production of D$^{**}_{s}$ mesons in hadronic Z decays
- Heister, A.
- Schael, S.
- Barate, R.
- De Bonis, I.
- Decamp, D.
- Goy, C.
- Lees, J.P.
- Merle, E.
- Minard, M.N.
- Pietrzyk, B.
- Boix, G.
- Bravo, S.
- Casado, M.P.
- Chmeissani, M.
- Crespo, J.M.
- Fernandez, E.
- Fernandez-Bosman, M.
- Garrido, L.
- Grauges, E.
- Martinez, M.
- Merino, G.
- Miquel, R.
- Mir, L.M.
- Pacheco, A.
- Ruiz, H.
- Colaleo, A.
- Creanza, D.
- de Palma, M.
- Iaselli, G.
- Maggi, G.
- Maggi, M.
- Nuzzo, S.
- Ranieri, A.
- Raso, G.
- Ruggieri, F.
- Selvaggi, G.
- Silvestris, L.
- Tempesta, P.
- Tricomi, A.
- Zito, G.
- Huang, X.
- Lin, J.
- Ouyang, Q.
- Wang, T.
- Xie, Y.
- Xu, R.
- Xue, S.
- Zhang, J.
- Zhang, L.
- Zhao, W.
- Abbaneo, D.
- Azzurri, P.
- Buchmuller, O.
- Cattaneo, M.
- Cerutti, F.
- Clerbaux, B.
- Drevermann, H.
- Forty, R.W.
- Frank, M.
- Gianotti, F.
- Greening, T.C.
- Hansen, J.B.
- Harvey, J.
- Hutchcroft, D.E.
- Janot, P.
- Jost, B.
- Kado, M.
- Mato, P.
- Moutoussi, A.
- Ranjard, F.
- Rolandi, Gigi
- Schlatter, D.
- Schneider, O.
- Sguazzoni, G.
- Tejessy, W.
- Teubert, F.
- Valassi, A.
- Videau, I.
- Ward, J.
- Badaud, F.
- Falvard, A.
- Gay, P.
- Henrard, P.
- Jousset, J.
- Michel, B.
- Monteil, S.
- Montret, J.C.
- Pallin, D.
- Perret, P.
- Hansen, J.D.
- Hansen, J.R.
- Hansen, P.H.
- Nilsson, B.S.
- Waananen, A.
- Kyriakis, A.
- Markou, C.
- Simopoulou, E.
- Vayaki, A.
- Zachariadou, K.
- Blondel, A.
- Bonneaud, G.
- Brient, J.C.
- Rouge, A.
- Rumpf, M.
- Swynghedauw, M.
- Verderi, M.
- Videau, H.
- Ciulli, V.
- Focardi, E.
- Parrini, G.
- Antonelli, A.
- Antonelli, M.
- Bencivenni, G.
- Bologna, G.
- Bossi, F.
- Campana, P.
- Capon, G.
- Chiarella, V.
- Laurelli, P.
- Mannocchi, G.
- Murtas, F.
- Murtas, G.P.
- Passalacqua, L.
- Pepe-Altarelli, M.
- Spagnolo, P.
- Halley, A.
- Lynch, J.G.
- Negus, P.
- O'Shea, V.
- Raine, C.
- Thompson, A.S.
- Wasserbaech, S.
- Cavanaugh, R.
- Dhamotharan, S.
- Geweniger, C.
- Hanke, P.
- Hansper, G.
- Hepp, V.
- Kluge, E.E.
- Putzer, A.
- Sommer, J.
- Tittel, K.
- Werner, S.
- Wunsch, M.
- Beuselinck, R.
- Binnie, D.M.
- Cameron, W.
- Dornan, P.J.
- Girone, M.
- Marinelli, N.
- Sedgbeer, J.K.
- Thompson, J.C.
- Ghete, V.M.
- Girtler, P.
- Kneringer, E.
- Kuhn, D.
- Rudolph, G.
- Bouhova-Thacker, E.
- Bowdery, C.K.
- Finch, A.J.
- Foster, F.
- Hughes, G.
- Jones, R.W.L.
- Pearson, M.R.
- Robertson, N.A.
- Jakobs, K.
- Kleinknecht, K.
- Quast, G.
- Renk, B.
- Sander, H.G.
- Wachsmuth, H.
- Zeitnitz, C.
- Bonissent, A.
- Carr, J.
- Coyle, P.
- Leroy, O.
- Payre, P.
- Rousseau, D.
- Talby, M.
- Ragusa, F.
- David, A.
- Dietl, H.
- Ganis, G.
- Huttmann, K.
- Lutjens, G.
- Mannert, C.
- Manner, W.
- Moser, H.G.
- Settles, R.
- Stenzel, H.
- Wiedenmann, W.
- Wolf, G.
- Boucrot, J.
- Callot, O.
- Davier, M.
- Duflot, L.
- Grivaz, J.F.
- Heusse, P.
- Jacholkowska, A.
- Lefrancois, J.
- Veillet, J.J.
- Yuan, C.
- Bagliesi, Giuseppe
- Boccali, T.
- Foa, L.
- Giammanco, A.
- Giassi, A.
- Ligabue, F.
- Messineo, A.
- Palla, F.
- Sanguinetti, G.
- Sciaba, A.
- Tenchini, R.
- Venturi, A.
- Verdini, P.G.
- Blair, G.A.
- Cowan, G.
- Green, M.G.
- Medcalf, T.
- Misiejuk, A.
- Strong, J.A.
- Teixeira-Dias, P.
- von Wimmersperg-Toeller, J.H.
- Clifft, R.W.
- Edgecock, T.R.
- Norton, P.R.
- Tomalin, I.R.
- Bloch-Devaux, Brigitte
- Colas, P.
- Emery, S.
- Kozanecki, W.
- Lancon, E.
- Lemaire, M.C.
- Locci, E.
- Perez, P.
- Rander, J.
- Renardy, J.F.
- Roussarie, A.
- Schuller, J.P.
- Schwindling, J.
- Trabelsi, A.
- Vallage, B.
- Konstantinidis, N.
- Litke, A.M.
- Taylor, G.
- Booth, C.N.
- Cartwright, S.
- Combley, F.
- Lehto, M.
- Thompson, L.F.
- Affholderbach, K.
- Boehrer, Armin
- Brandt, S.
- Grupen, C.
- Ngac, A.
- Prange, G.
- Sieler, U.
- Giannini, G.
- Rothberg, J.
- Armstrong, S.R.
- Berkelman, Karl
- Cranmer, K.
- Ferguson, D.P.S.
- Gao, Y.
- Gonzalez, S.
- Hayes, O.J.
- Hu, H.
- Jin, S.
- Kile, J.
- McNamara, P.A., III
- Nielsen, J.
- Pan, Y.B.
- von Wimmersperg-Toeller, J.H.
- Wiedenmann, W.
- Wu, J.
- Wu, Sau Lan
- Wu, X.
- Zobernig, G.
- Dissertori, G.
DOIAbstract
The production rates of the orbitally excited Ds** mesons, Ds1 and Ds2*, are measured with the 4.1 million hadronic Z decays recorded by the ALEPH detector during 1991--1995. The Ds** mesons are reconstructed in the decay modes Ds1+ -> D*+ K0, Ds1+ -> D*0 K+ and Ds2*+ -> D0 K+. The production rate of the Ds1 is measured to be n(Z->Ds1+-)=(0.52+-0.09+-0.06)%, under the assumption that the two considered decay modes of the Ds1 saturate the branching ratio. The production rate of the Ds2* is determined to be n(Z->Ds2*+-)=(0.83+-0.29+0.07-0.13)%, assuming that the branching fraction of the decay Ds2*+ -> D0 K+ is 45%. The production rates in Z->cc and Z->bbar decays are measured separately
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