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A precision measurement of the ϒ′ meson mass

1984; Elsevier BV; Volume: 135; Issue: 5-6 Linguagem: Inglês

10.1016/0370-2693(84)90323-x

1873-2445

D. P. Barber, Hartmut Bremer, J. Kewisch, H. C. Lewin, T. Limberg, H. Mais, G. Ripken, R. Rossmanith, R. Schmidt, F. Zwack, H. Albrecht, G. Drews, H. Hasemann, A. Phillipp, W. Schmidt‐Parzefall, H. Schröder, H.D. Schulz, F. Selonke, R. Wurth, A. Drescher, B. Gräwe, W. Hofmann, A. Markees, U. Matthiesen, J. Spengler, D. Wegener, R. Heller, Klaus Schubert, J. Stiewe, R. Waldi, S. Weseler, K. W. Edwards, W.R. Frisken, C. Fukunaga, M. Goddard, P. Kim, R. S. Orr, P. M. Patel, J.D. Prentice, H. Seywerd, T.-S. Yoon, R. Ammar, D. Coppage, R. Davis, N. Kwak, P. Boeckmann, L. Jönsson, Y. Oku, A. Arefiev, M. Danilov, V. Lubimov, V. Matveev, V. Nagovitsin, Yu. A. Semënov, V. Shevchenco, V. Soloshenko, V. Sopov, V. Tchernyshew, I. Tichomirov, V. Tchistilin, Yu. Zaitsev, R. Childers, C.W. Darden, H. Gennow, C. A. Edwards, C. Peck, F. C. Porter, P. N. Ratoff, D. Aschman, I. Brock, A. Engler, R.W. Kraemer, D. Marlow, F. Messing, D. Prindle, B. Renger, C. Rippich, Z. Jakubowski, B. Niczyporuk, G. Nowak, T. Skwarnicki, J.K. Bienlein, Sara Cooper, A. Fridman, B. Gómez, T. Kloiber, W. Koch, M. Schmitz, H.J. Trost, P. Zschorsch, G. Folger, B. Lurz, U. Volland, H. Wegener, A.M. Cartacci, G. Conforto, Dario de Judicibus, B. Monteleoni, P.G. Pelfer, F.H. Heimlich, R. Lekebusch, P. Lezoch, W. Maschmann, R. Nernst, A.S. Schwarz, D. Sievers, U. Strohbusch, D. Antreasyan, J. Irion, K. Strauch, A. C. König, J. Schotanus, R.T. Van de Walle, W. Walk, D. Besset, R. Cabenda, F. Šforza, R. Cowan, D. Coyne, C. Newman-Holmes, E. D. Bloom, R. Chestnut, R. Clare, J. Gaiser, G. Godfrey, S. Leffler, W. S. Lockman, S. Lowe, K. Wacker, D. Gelphman, R. Hofstadter, I. Kirkbride, R. Lee, A. M. Litke, Tetsuo Matsui, B. Pollock, J. Tompkins, S. Keh, H. Kilian, K. Königsmann, M. Scheer, P. Schmitt,

Particle Accelerators and Free-Electron Lasers

The e+e−-storage ring DORIS II provides polarized beams with polarizations up to 80% in the energy range of the ϒ′ meson. The method of resonance depolarization allows the average beam energy to be determined to a precision of ±0.1 MeV. An energy scan of the hadronic cross section over the resonance range with the detectors ARGUS and Crystal Ball determines the ϒ′ mass to be (10023.1 ± 0.4) MeV.