TY - JOUR
T1 - Leptonic decays of the - And - hyperons
AU - Tanenbaum, W.
AU - Hungerbhler, V.
AU - Majka, R.
AU - Marx, J. N.
AU - Némethy, P.
AU - Sandweiss, J.
AU - Willis, W. J.
AU - Atac, M.
AU - Ecklund, S.
AU - Gollon, P. J.
AU - Lach, J.
AU - MacLachlan, J.
AU - Roberts, A.
AU - Stefanski, R.
AU - Theriot, D.
AU - Wang, C. L.
PY - 1975
Y1 - 1975
N2 - The decays - ne-», - e-» (-p), and e-» (-p) were studied using unpolarized hyperons from the Yale-Fermilab-BNL hyperon beam at the Brookhaven National Laboratory Alernating Gradient Synchrotron. The -, -, e-, and -decay-product momenta were measured by magnetic spectrometers with magnetostrictive wire spark chambers. A threshold Cerenkov counter and a total absorption calorimeter identified the electron and neutron, respectively. From a sample of 3507 reconstructed - ne-» events we have found gAgV=0.4350.035. From a sample of 55 reconstructed e-» events we have found gVgA=-0.170.35 assuming that the conserved vector current hypothesis correctly predicts the weak magnetic form factor. A new one-angle Cabibbo fit gives f=0.4360.010, d=0.8120.011, and,=0.2320.003 radian.
AB - The decays - ne-», - e-» (-p), and e-» (-p) were studied using unpolarized hyperons from the Yale-Fermilab-BNL hyperon beam at the Brookhaven National Laboratory Alernating Gradient Synchrotron. The -, -, e-, and -decay-product momenta were measured by magnetic spectrometers with magnetostrictive wire spark chambers. A threshold Cerenkov counter and a total absorption calorimeter identified the electron and neutron, respectively. From a sample of 3507 reconstructed - ne-» events we have found gAgV=0.4350.035. From a sample of 55 reconstructed e-» events we have found gVgA=-0.170.35 assuming that the conserved vector current hypothesis correctly predicts the weak magnetic form factor. A new one-angle Cabibbo fit gives f=0.4360.010, d=0.8120.011, and,=0.2320.003 radian.
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U2 - 10.1103/PhysRevD.12.1871
DO - 10.1103/PhysRevD.12.1871
M3 - Article
AN - SCOPUS:26544451379
VL - 12
SP - 1871
EP - 1883
JO - Physical review D: Particles and fields
JF - Physical review D: Particles and fields
SN - 1550-7998
IS - 7
ER -