A precise measurement of the tau lepton lifetime

Επιστημονική δημοσίευση - Άρθρο Περιοδικού uoadl:3047895 53 Αναγνώσεις

Μονάδα:
Ερευνητικό υλικό ΕΚΠΑ
Τίτλος:
A precise measurement of the tau lepton lifetime
Γλώσσες Τεκμηρίου:
Αγγλικά
Περίληψη:
The tau lepton lifetime has been measured using three different methods
with the DELPHI detector. Two measurements of one-prong decays are
combined, accounting for correlations, giving a result of tau(tau) =
291.8 +/- 3.3 (stat.) +/- 2.0(sys.) fs while the decay length
distribution of three-prong decays gives the result tau(tau) = 286.7 +/-
4.9 (stat.) +/- 3.3 (sys.) fs. Combining the results presented here with
previous DELPHI measurements, we get tau(tau) = 291.4 +/- 3.0 fs and
find that the ratio of the coupling constant for tau decay relative to
that for muon decay is 0.990 +/- 0.009, compatible with lepton
universality.
Έτος δημοσίευσης:
1996
Συγγραφείς:
Abreu, P
Adam, W
Adye, T
Agasi, E
Ajinenko, I and
Aleksan, R
Alekseev, GD
Allport, PP
Almehed, S
Alvsvaag,
SJ
Amaldi, U
Amato, S
Andreazza, A
Andrieux, ML and
Antilogus, P
Apel, WD
Arnoud, Y
Asman, B
Augustin, JE
and Augustinus, A
Baillon, P
Bambade, P
Barao, F
Barate,
R
Bardin, DY
Barker, GJ
Baroncelli, A
Barring, O and
Barrio, JA
Bartl, W
Bates, MJ
Battaglia, M
Baubillier, M
and Baudot, J
Becks, KH
Begalli, M
Beilliere, P and
Belokopytov, Y
Benvenuti, AC
Berggren, M
Bertrand, D and
Bianchi, F
Bigi, M
Bilenky, MS
Billoir, P
Bloch, D and
Blume, M
Blyth, S
Bocci, V
Bolognese, T
Bonesini, M and
Bonivento, W
Booth, PSL
Borisov, G
Bosio, C
Bosworth, S
and Botner, O
Bouquet, B
Bourdarios, C
Bowcock, TJV and
Bozzo, M
Branchini, P
Brand, KD
Brenke, T
Brenner, RA
and Bricman, C
Brillault, L
Brown, RCA
Bruckman, P and
Brunet, JM
Bugge, L
Buran, T
Burgsmueller, T
Buschmann,
P
Buys, A
Caccia, M
Calvi, M
Rozas, AJC
Camporesi, T
and Canale, V
Canepa, M
Cankocak, K
Cao, F
Carena, F and
Carrilho, P
Carroll, L
Caso, C
Gimenez, MVC
Cattai, A
and Cavallo, FR
Cerrito, L
Chabaud, V
Charpentier, P and
Chaussard, L
Chauveau, J
Checchia, P
Chelkov, GA and
Chierici, R
Chliapnikov, P
Chochula, P
Chorowicz, V and
Cindro, V
Collins, P
Contreras, JL
Contri, R
Cortina, E
and Cosme, G
Cossutti, F
Crawley, HB
Crennell, D and
Crosetti, G
Maestro, JC
Czellar, S
DahlJensen, E
Dahm, J
and Dalmagne, B
Dam, M
Damgaard, G
Dauncey, PD and
Davenport, M
DaSilva, W
Defoix, C
Deghorain, A and
DellaRicca, G
Delpierre, P
Demaria, N
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TL
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I
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Zuberi, R
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Zumerle, G
Περιοδικό:
PHYSICS LETTERS B
Εκδότης:
Elsevier
Τόμος:
365
Αριθμός / τεύχος:
1-4
Σελίδες:
448-460
Επίσημο URL (Εκδότης):
DOI:
10.1016/0370-2693(95)01434-9
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