نتایج جستجو برای: 371 h 980
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We present measurements of the branching fraction and CP-violating asymmetries in the decay B0-->f0(980)K0S. The results are obtained from a data sample of 123 x 10(6) Upsilon(4S)-->BB decays. From a time-dependent maximum likelihood fit, we measure the branching fraction B(B0-->f0(980)(-->pi+pi-)K0)=(6.0+/-0.9+/-0.6+/-1.2)x10(-6), the mixing-induced CP violation parameter S=-1.62(+0.56)(-0.51)...
Based on gauge invariance, we show that the new threshold phenomenon is discovered in the φ radiative decays φ → γa0 → γπη and φ → γf0 → γππ. This enables to conclude that production of the lightest scalar mesons a0(980) and f0(980) in these decays is caused by the four-quark transitions, resulting in strong restrictions on the large NC expansions of the decay amplitudes. The analysis shows tha...
R J Rodeheffer, M Naruse, J B Atkinson, K Naruse, J C Burnett, Jr, W H Merrill, W H Frist, H Molecular forms of atrial natriuretic factor in normal and failing human myocardium. Print ISSN: 0009-7322. Online ISSN: 1524-4539 Copyright © 1993 American Heart Association, Inc. All rights reserved. is published by the American Heart Association, 7272 Greenville Avenue, Dallas, TX 75231 Circulation d...
D. L U P I , * t H. M. COOPER,J; A. F R O E H L I C H , * L. S T A N D F O R D , § M. A. McCALL!§ and R. G. F O S T E R * ¶ *Department of Biology, Imperial College of Science, Technology and Medicine, Prince Consort Road, London SW7 2BB, U.K. tCentro Marino Internazionale (IMC), Torregrande-Oristano, Italy ~Cerveau et Vision, I.N.S.E.R.M. U-371, Avenue Doyen Lepine, 69500 Bron, France §Departm...
A guide to the composition of the enigmatic f0(980) and a0(980) states is their formation in φ-radiative decays. Precision data are becoming available from the KLOE experiment at the DAΦNE machine at Frascati, as well as results from SND and CMD-2 at VEPP-2M at Novosibirsk. We show how the coupling of the f0(980) to this channel can be extracted from these, independently of the background provi...
We study $D_{s}^{+}\to\rho^{0(+)}a^{+(0)}_{0}$, $D_{s}^{+}\to\omega a^{+}_{0}$, and the resonant $D_{s}^{+}\to\rho a_0$,$a_{0}\to \eta\pi(KK)$ decays. In final state interaction, where $D_s^+\to (\eta^{(\prime)}\pi^+,K^+\bar K^0)$ are followed by $(\eta^{(\prime)}\pi^+,K^+\bar to $\rho^{0(+)}a^{+(0)}_{0}$ rescatterings, we predict ${\cal B}(D_{s}^{+}\to\rho^{0(+)}a^{+(0)}_{0})=(3.0\pm 0.3\pm 1....
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