A measurement of asymmetry in the decay Λ_c⁺ → Λπ⁺

Albrecht, H. et al. (1992) A measurement of asymmetry in the decay Λ_c⁺ → Λπ⁺. Physics Letters B, 274(2), pp. 239-245. (doi: 10.1016/0370-2693(92)90529-D)

Abstract

Using the ARGUS detector at the e⁺e^- storage ring DORIS II at DESY, we have observed parity violation in the decay Λ^±_c → Λπ^±. We measure the coefficient of parity violation, α_Λc, to be −0.96±0.42. In addition, we measure σ BR (Λ⁺_c → Λπ⁺ and σ BR (Λ⁺_c → Σ⁰π⁺) to be, respectively, (2.2±0.3±0.4) pb and (2.0±0.7±0.4) pb.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Britton, Professor David
• Authors: Albrecht, H., Ehrlichmann, H., Hamacher, T., Krüger, A., Nau, A., Nippe, A., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H.D., Sefkow, F., Wurth, R., Appuhn, R.D., Hast, C., Herrera, G., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Walther, A., Wegener, D., Paulini, M., Reim, K., Volland, U., Wegener, H., Mundt, R., Reim, K., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J.C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Knöpfle, K.T., Spengler, J., Britton, D.I., Charlesworth, C.E.K., Edwards, K.W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D.B., Orr, R.S., Patel, P.M., Prentice, J.D., Seidel, S.C., Tsipolitis, G., Tzamariudaki, K., Van de Water, R.G., Yoon, T.-S., Reßing, D., Schael, S., Schubert, K.R., Strahl, K., Waldi, R., Weseler, S., Boštjančič, B., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H.I., Jönsson, L., Balagura, V., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubinov, V., Pakhlov, P., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tichomirov, I., Zaitsev, Y., Childers, R., and Darden, C.W.
• College/School: College of Science and Engineering > School of Physics and Astronomy
• Journal Name: Physics Letters B
• Publisher: Elsevier BV
• ISSN: 0370-2693
• Published Online: 10 October 1992