Lambda(b) polarization in Z(0) decays at LEP

Επιστημονική δημοσίευση - Άρθρο Περιοδικού uoadl:3053004 75 Αναγνώσεις

Μονάδα:
Ερευνητικό υλικό ΕΚΠΑ
Τίτλος:
Lambda(b) polarization in Z(0) decays at LEP
Γλώσσες Τεκμηρίου:
Αγγλικά
Περίληψη:
The longitudinal polarization of the Lambda(b) baryon is measured at the
LEP e(+)e(-) collider by DELPHI. It is determined from the charged
lepton and neutrino energy spectra in 249 +/- 19 Lambda(b) semileptonic
decays reconstructed in approximate to 3.5 million hadronic Z(0) decays
using Lambda(0)-lepton correlations. The measured polarization is:
P-Lambda b = -0.49(-0.30)(+0.32)(stat.) +/- 0.17(syst.). (C) Elsevier
Science B.V. All rights reserved.
Έτος δημοσίευσης:
2000
Συγγραφείς:
Abreu, P
Adam, W
Adye, T
Adzic, P
Ajinenko, I and
Albrecht, Z
Alderweireld, T
Alekseev, GD
Alemany, R and
Allmendinger, T
Allport, PP
Almehed, S
Amaldi, U and
Amapane, N
Amato, S
Anassontzis, EG
Andersson, P and
Andreazza, A
Andringa, S
Antilogus, P
Apel, WD
Arnoud, Y
and Asman, B
Augustin, JE
Augustinus, A
Baillon, P and
Bambade, P
Barao, F
Barbiellini, G
Barbier, R
Bardin, DY
and Barker, G
Baroncelli, A
Battaglia, M
Baubillier, M and
Becks, KH
Begalli, M
Behrmann, A
Beilliere, P and
Belokopytov, Y
Benekos, NC
Benvenuti, AC
Berat, C and
Berggren, M
Bertini, D
Bertrand, D
Besancon, M
Bigi, M
and Bilenky, MS
Bizouard, MA
Bloch, D
Blom, HM
Bonesini,
M
Bonivento, W
Boonekamp, M
Booth, PSL
Borgland, AW and
Borisov, G
Bosio, C
Botner, O
Boudinov, E
Bouquet, B and
Bourdarios, C
Bowcock, TJV
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Bozovic, I
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and Bracko, M
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Brenner, RA
Bruckman, P and
Brunet, JM
Bugge, L
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and Cabrera, S
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Zucchelli, GC
Zumerle, G
DELPHI
Collaboration
Περιοδικό:
PHYSICS LETTERS B
Εκδότης:
ELSEVIER SCIENCE BV
Τόμος:
474
Αριθμός / τεύχος:
1-2
Σελίδες:
205-222
Επίσημο URL (Εκδότης):
DOI:
10.1016/S0370-2693(99)01431-8
Το ψηφιακό υλικό του τεκμηρίου δεν είναι διαθέσιμο.