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(100)

Study of the form factor in $K_{0} \rightarrow \pi e\nu$ decays / Neuhofer, G ; Aubert, Jean-Jacques ; Bartl, Walter ; de Bouard, X ; Lepeltier, V ; Massonnet, Louis ; Niebergall, F ; Pessard, H ; Regler, Meinhard ; Steuer, M et al.
The vector form factor f/sub +/(t) has been studied with 1910 kinematic fully reconstructed events K/sup 0/ to pi e nu ; assuming a linear dependence of f/sub +/(t), where f/sub +/(t)=f/sub +/(0)(1+ lambda /sub +/t/m/sub pi //sup 2/), the authors obtain the result lambda /sub +/=0.022+or-0.014. Data at large values of t are found to be subject to a singularity in resolution, whose influence on lambda /sub +/ is demonstrated; the possible implications for previous experiments are discussed. [...]
1972 - Published in : Phys. Lett. B 41 (1972) 642-6

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(91)

An experimental study of the form factor in the decay K$\^{+}\rightarrow\pi^{o}e^{+}\nu$. / Braun, H ; Bertrand, D ; Cornelssen, M ; Csejthey-Barth, Monique ; Cundy, Donald C ; Erriquez, O ; Lemonne, J ; Martyn, H U ; Natali, S ; Pedersen, T I et al.
The q/sup 2/ variation of the form factor f/sub +/(q/sup 2/) in the decay K/sup +/ to pi /sup o/e/sup +/ nu has been studied using a sample of events detected in the CERN 1.1 m/sup 3/ heavy-liquid bubble chamber. The data are consistent with a linear development f/sub +/(q /sup 2/)=f/sub +/(0)(1+ lambda /sub +/q/m/sub pi //sup 2/) with lambda /sub +/=0.027+or-0.008. [...]
1973 - Published in : Phys. Lett. B 47 (1973) 185-8

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(57)

$K_{l3}$ 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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(55)

Measurement of weak meson form factors in spacelike regions / Brene, N (Univ Copenhagen, Denmark)
With the construction of high energy, high intensity accelerators (NAL & CERN, SPS) investigation of neutrino scattering on virtual pions, a la Chew-Low, becomes experimentally possible. The process nu +N to mu /sup -/+K+ Delta is analysed to extract the usual K/sub l3/ form factor(s) for spacelike momentum transfer. [...]
1973 - Published in : Nucl. Phys. B 65 (1973) 307-18

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(54)

Relations between the $K_{13}$ and $\tau \to K\pi \nu_{\tau}$ decays / Lichard, P
We investigate the relations between the K/sub l3/ and tau to K pi nu /sub tau / decays using the meson dominance approach. First, the experimental branching fractions (BF) for K/sub e3//sup +or-/ and K /sub e3//sup 0/ are used to fix two normalization constants (isospin invariance is not assumed). [...]
1999 - Published in : Phys. Rev. D 60 (1999) 093012/1-5

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(47)

Experimental study of the time-dependent rate of $K^{0} \rightarrow \pi^{+} \pi^{-} \pi^{0}$ / Metcalf, M ; Aubert, Jean-Jacques ; Bartl, Walter ; de Bouard, X ; Lepeltier, V ; Massonnet, Louis ; Neuhofer, G ; Niebergall, F ; Pessard, H ; Regler, Meinhard et al.
The time-dependence of the decay rate of initially pure K/sup 0/ into the final state ( pi /sup +/ pi /sup -/ pi /sup 0/) has been studied in search for the decay K/sup 0//sub S/ to pi /sup +/ pi /sup -/ pi /sup 0/. No evidence is found in a sample of 384 observed events. [...]
1972 - Published in : Phys. Lett. B 40 (1972) 703-707

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(41)

Radiative corrections to $K_{l3}^{0}$ decays / André, T C
The long-distance radiative corrections delta /sub LD//sup e/ and delta /sub LD//sup mu / to the K/sup 0/ to pi /sup -/e/sup +/ nu /sub e/and the K/sup 0/ to pi /sup -/ mu /sup +/ nu /sub mu / decay rates are calculated. This analysis includes contributions to the long- distance radiative corrections from outside the kinematically-allowed three-body Dalitz region and tests the sensitivity of the radiative corrections to the hadronic K- pi form factors. [...]
2005 - Published in : Nucl. Phys. B, Proc. Suppl. 142 (2005) 58-61

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(41)

Resonance production in two-photon collisions at LEP with the L3 detector / Kienzle-Focacci, M N (Dept de Phys Nucl et Corpusculaire)
A spin-parity-helicity analysis shows the dominance of the gamma to rho /sup 0/ rho /sup 0/ state at threshold, in the wave (J/sup P/, J /sub z/) = (2/sup +/, +or-2) and a significant signal in the 0/sup +/ wave. The negative parity states and the (2/sup +/,0) wave are negligible. [...]
2001
In : 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.366-8 (vol.1)

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(41)

Searches for glueball candidates in $\gamma\gamma$ collisions at LEP and CESR / Favara, A (California Inst of Technol)
Recent results on resonance formation in gamma gamma collisions are presented. Searches for the two best glueball candidates, the f/sub 0 /(1500) and the f/sub S/(2220), in the pi /sup +/ pi /sup -/ and in the K/sub S//sup 0/K/sub S//sup 0/ channels are reviewed. [...]
1999
In : 29th International Conference on High-energy Physics, Vancouver, Canada, 23 - 29 Jul 1998, pp.1282-6

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(37)

Further evidence for a 70, L=2 baryon multiplet (F/sub 35/ (1877) decay) / Faiman, D ; Rosner, J L ; Weyers, J
The recently discovered f-wave dominance of the decay F/sub 35/(1877) to Delta pi is interpreted as requiring mixing between 56, L=2 and 70, L=2 baryon multiplets. This conclusion is drawn in the context of a broken version of SU(6)/sub W/. [...]
CERN-TH-1622.- 1973 - Published in : Nucl. Phys. B 57 (1973) 45-63 Fulltext: PDF;

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