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CERN Document Server 2,031 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.31 secondes. 
1.
(100)
Measurement of the vector form factor in the decay $K_{L} \rightarrow \pi e\nu$ / Gjesdal, G ; Eisele, F ; Kamae, K ; Kleinknecht, K ; Lüth, V ; Presser, G ; Steffen, P ; Steinberger, J ; Vannucci, François (CERN) ; Wahl, H et al.
The Dalitz plot of 0.5*10/sup 6/ K/sub e3/ decays has been studied to measure the q/sup 2/ dependence of the vector form factor, and to determine the effect of radiative corrections. The observed linear slope of the form factor lambda /sub +/=0.0312+or-0.0025 is compatible with the prediction of K* dominance. [...]
1976 - Published in : Nucl. Phys. B 109 (1976) 118-128
Notice détaillée - Notices similaires
2.
(91)
A measurement of the $K_{L}-K_{S}$ mass difference from the charge asymmetry in semi-leptonic kaon decays / Gjesdal, S ; Eisele, F ; Filthuth, Heinz ; Kamae, T ; Kleinknecht, K ; Lüth, V ; Presser, G ; Steffen, P ; Steinberger, Jack ; Vannucci, François (CERN) et al.
The charge asymmetry in semi-leptonic kaon decays has been measured as a function of the kaon lifetime. High statistics data of K/sub e3//sup 0/ and K/sub mu 3//sup 0/ decay modes agree with each other and with the general expectation of the CP violation phenomenology together with the Delta S- Delta Q rule. [...]
PREK-17754.- Geneva : CERN, 1974 - 13 p. - Published in : Phys. Lett. B 52 (1974) 113-118
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3.
(85)
Search for the decay $K_{S} \rightarrow 2\mu$ / Gjesdal, S ; Filthuth, Heinz ; Kleinknecht, K ; Lüth, V ; Presser, G ; Steffen, P ; Steinberger, J ; Vannucci, François (CERN) ; Wahl, H ; Zech, G
A search for the decay K/sub S/ to 2 mu has given negative results. The 90% confidence upper limit for the branching ratio of 3.1*10/sup -7/ excludes the models of Christ and Lee, and of Dass and Wolfenstein, designed to explain the K/sub L/ to 2 mu problem. [...]
1973 - Published in : Phys. Lett. B 44 (1973) 217-220
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4.
(77)
Memorandum : Letter of intent / Eisele, F ; Geweniger, C ; Gjesdal, S ; Kamae, T ; Kleinknecht, K ; Lüth, V ; Presser, G ; Steffen, P ; Steinberger, J ; Vannucci, François (CERN) et al.
CERN-PH-I-COM-72-17. - 1972. - 1 p.
Fulltext
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5.
(72)
Measurement of the kaon mass difference $m_L -m_S$ by the two regenerator method / Geweniger, C ; Eisele, F ; Gjesdal, S ; Kleinknecht, K ; Lüth, V ; Presser, G ; Steffen, P ; Steinberger, J ; Vannucci, François (CERN) ; Wahl, H et al.
The K/sup 0/ mass difference has been measured by the two regenerator method. The result is: Delta m=m(K/sub L/)-m(K/sub S/)= (0.534+or-0.003)*10/sup 10/ sec/sup -1/. [...]
1974 - Published in : Phys. Lett. B 52 (1974) 108-112
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6.
(66)
Proposal for a measurement of the $\Sigma^{0}$ lifetime using the Primakoff effect / CERN-Heidelberg Collaboration
CERN-PH-I-COM-72-33. - 1972. - 9 p.
Fulltext
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7.
(66)
Proposal for a measurement of the $K^{0}$ charge radius / CERN-Heidelberg Collaboration
CERN-PH-I-COM-72-5. - 1972. - 6 p.
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8.
(61)
Search for $\Delta S=2$ decays of neutral $\Xi$-hyperons / Geweniger, C ; Eisele, F ; Gjesdal, S ; Kleinknecht, K ; Lüth, V ; Presser, G ; Steffen, P ; Steinberger, J ; Vanucci, F ; Wahl, H et al.
A search for the decay Xi /sup 0/ to p pi /sup -/ has been performed in a neutral hyperon beam derived from the 24 GeV/c external proton beam at CERN. The experiment gives as a 90% confidence upper limit for the branching ratio Gamma ( Xi /sup 0/ to p pi /sup -/)/ Gamma ( Xi /sup 0/ to Lambda pi /sup 0/) <3.6*10/sup -5/. [...]
1975 - Published in : Phys. Lett. B 57 (1975) 193-196
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9.
(55)
Ke3 fromfactor paper / Gjesdal, G (CERN) ; Kamae, K (CERN) ; Presser, G (CERN) ; Steffen, P (CERN) ; Steinberger, J (CERN) ; Lütz, V (Heidelberg Univ.) ; Zech, G (Heidelberg Univ.) ; Vannucci, F (CERN) ; Wahl, H (CERN) ; Eisele, F (Heidelberg Univ.) et al.
17 p.
Full text
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10.
(55)
$K_{l3}$ form factors at order $p^{6}$ of chiral perturbation theory / Post, P ; Schilcher, K
This paper describes the calculation of the semileptonic K/sub l3/ decay form factors at order p/sup 6/ of chiral perturbation theory, which is the next-to-leading order correction to the well-known p/sup 4/ result achieved by Gasser and Leutwyler. At order p/sup 6/ the chiral expansion contains one- and two-loop diagrams which are discussed in detail. [...]
2002 - Published in : Eur. Phys. J. C 25 (2002) 427-43
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