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research article
New measurement of ξ- → Λπ- decay parameters
A study on the measurement of φ≡ using a sample of 144×106 ≡- →λπ- decays having an average polarization of 3.7% was presented. The polarized ≡-'s were produced by directing an 800 geV÷c proton beam onto a 2 mm ×2 mm× 60 mm cu target at angles of +3 and -3 mrad. The results were shown to be a 2.9× improvement over the best previous mesurements. It was shown that CP violation in charged ≡→λπ decays are not suppressed by a vanishing final phase shift difference.
Type
research article
Scopus ID
2-s2.0-3442883881
Authors
Huang, M.
•
Burnstein, R.A.
•
Chakravorty, A.
•
Chen, Y.C.
•
Choong, W.S.
•
Clark, K.
•
Dukes, E.C.
•
Durandet, C.
•
Felix, J.
•
Gidal, G.
Publication date
2004
Published in
Volume
93
Issue
1
Start page
011802
End page
1
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
November 5, 2010
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