Lifetimes of charged and neutralD mesons
Author(s) -
S. Barlag,
H. Becker,
T. B�hringer,
M. Bosman,
V. Castillo,
V. Chabaud,
D. Buchholz,
C. Damerell,
C. Daum,
H. Dietl,
H.F. Fawcett,
S. Gill,
A. R. Gillman,
R. Gilmore,
T. Gooch,
L. G�rlich,
P. Gras,
Z. Hajduk,
E. Higón,
B. Hyams,
D. P. Kelsey,
J. Kemmer,
R. Klanner,
U. K�tz,
S. Kwan,
B. L�cking,
G. L�tiens,
G. Lutz,
J. Malos,
W. M�nner,
E. Neugebauer,
H. Pałka,
M. Pep�,
J. Richardson,
G. de Rijk,
K. Rybicki,
H.J. Seebrunner,
U. Stierlin,
H.G. Tiecke,
M. Turała,
G. Waltermann,
G. Watts,
P. Weilhammer,
F. J. Wickens,
L. Wiggers,
A. Wylie,
T. Z̊ełudziewicz
Publication year - 1987
Publication title -
zeitschrift für physik c
Language(s) - English
Resource type - Journals
eISSN - 1431-5858
pISSN - 0170-9739
DOI - 10.1007/bf01442064
Subject(s) - meson , spectrometer , physics , large hadron collider , nuclear physics , silicon , detector , particle physics , charged particle , optics , optoelectronics , ion , quantum mechanics
We have measured the lifetimes of hadronically produced charged and neutralD mesons using silicon microstrip detectors and an active silicon target in the NA32 spectrometer at the CERN SPS. We obtainτD± = (10.9± 1.5 1.9 )·10−13s andτ D (−)10 = (4.2±0.5)·10−13s based on 59 and 90 fully reconstructed decays respectively, giving a ratioτD±/τ D (−)10 of 2.6 ±0.5.
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