1. Spin Analysis of the $\chi(b$) States
- Author
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Skwarnicki, T., Antreasyan, D., Conforto, G., Cooper, S., Cowan, R., Coyne, D. G., Edwards, C., Engler, A., Folger, G., Fridman, A., Gaiser, J., Gelphman, D., Besset, D., Godfrey, G., Heimlich, F. H., Hofstadter, R., Irion, J., Jakubowski, Z., Keh, S., Kilian, H., Kirkbride, I., Kloiber, T., Koch, W. S., Bienlein, J. K., Konig, A. C., Konigsmann, Kay, Kraemer, R. W. S., Lee, Roger A., Leffler, S., Lekebusch, R., Litke, A., Lockman, William S., Lowe, S., Lurz, B., Bloom, Elliott D., Marlow, Daniel R., Maschmann, W. S., Matsui, T., Messing, F., Metzger, W. J., Monteleoni, B., Nernst, R., Niczyporuk, B., Nowak, G., Peck, C., Brock, I., Pelfer, P. G., Pollock, B., Porter, F., Prindle, D., Ratoff, P., Renger, B., Rippich, C., Scheer, M., Schmitt, P., Schotanus, J., Cabenda, R., Schwarz, Andreas S., Sievers, D., Strauch, K., Strohbusch, U., Tompkins, J., Trost, H. J., Van de Walle, R. T., Vogel, H., Volland, U., Wacker, K., Cartacci, A., Walk, W. S., Wegener, H., Williams, D., Zschorsch, P., Crystal Ball Collaboration, Cavalli-Sforza, M., and Clare, R.
- Subjects
+CHI%2FB%289895%29+PHOTON%22">UPSILON(10020) --> CHI/B(9895) PHOTON ,+POSITRON+ELECTRON%22">UPSILON(9460) --> POSITRON ELECTRON ,POTENTIAL [MODEL] ,+MUON%2B+MUON%22">UPSILON(9460) --> MUON+ MUON ,SPIN [CHI/B(9895)] ,ANGULAR CORRELATION ,10.02 GEV-CMS ,+UPSILON%289460%29+PHOTON%22">CHI/B(9895) --> UPSILON(9460) PHOTON ,+UPSILON%289460%29+PHOTON%22">CHI/B(9915) --> UPSILON(9460) PHOTON ,ddc:550 ,UPSILON(10020) [CASCADE DECAY] ,CHI/B(9915) [SPIN] ,UPSILON(10020) [ELECTROPRODUCTION] ,SPIN [CHI/B(9915)] ,EXPERIMENTAL RESULTS ,DESY DORIS II STOR ,UPSILON(10020) [RADIATIVE DECAY] ,HEAVY [QUARKONIUM] ,CHI/B(9895) [SPIN] ,COLLIDING BEAMS [ELECTRON POSITRON] ,ENERGY SPECTRUM [(PHOTON)] ,CASCADE DECAY [UPSILON(10020)] ,RADIATIVE DECAY [UPSILON(10020)] ,ELECTRON POSITRON [COLLIDING BEAMS] ,(PHOTON) [ENERGY SPECTRUM] ,ELECTRON POSITRON [ANNIHILATION] ,+CHI%2FB%289915%29+PHOTON%22">UPSILON(10020) --> CHI/B(9915) PHOTON ,ANNIHILATION [ELECTRON POSITRON] ,ELECTROPRODUCTION [UPSILON(10020)] ,Crystal Ball - Abstract
Angular correlations in the cascade reaction e+e−→Υ(2S)→γχb, χb→γΥ, Υ→μ+μ− or Υ→e+e−, have been used for the first time to investigate the spins of the χb states. The results support the χb spins predicted by the potential models of heavy quarkonia.
- Published
- 1987
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