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Languages : en
Pages : 3
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The rare kaon decay program at BNL is summarized. A brief review of recent results is provided along with a discussion of prospects for the future of this program. The primary focus is the two golden modes: K →?+?{bar?} and K{sub L}{sup o} →?{sup o}?{bar {nu}}. The first step in an ambitious program to precisely measure both branching ratios has been successfully completed with the observation of two K+ →?+ {nu}{bar {nu}} events by E787. The E949 experiment is poised to reach an order of magnitude further in sensitivity and to observe ≈10 Standard Model events.
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Languages : en
Pages : 3
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The rare kaon decay program at BNL is summarized. A brief review of recent results is provided along with a discussion of prospects for the future of this program. The primary focus is the two golden modes: K →?+?{bar?} and K{sub L}{sup o} →?{sup o}?{bar {nu}}. The first step in an ambitious program to precisely measure both branching ratios has been successfully completed with the observation of two K+ →?+ {nu}{bar {nu}} events by E787. The E949 experiment is poised to reach an order of magnitude further in sensitivity and to observe ≈10 Standard Model events.
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Languages : en
Pages : 11
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The author gives an overview of current plans for kaon physics at BNL. The program is centered around the rare decay modes K →?+?{bar?} and K{sub L} →?°{nu}{bar {nu}}.
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Languages : en
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Author: Harry Palevsky
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Category : Mesons
Languages : en
Pages : 458
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Category :
Languages : en
Pages :
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Figure 1 shows the Brookhaven site with the AGS-CBA complex highlighted. In this photograph the AGS is dwarfed by CBA and indeed during the past few years future plans for particle physics at BNL have been dominated by this enormous project. However, very recently interest in future physics use of the AGS has undergone a strong revival. Indeed, since the beginning of this year, two projects for augmenting the AGS have been proposed. Such projects could keep the AGS viable as a research machine for many years to come. In general such schemes will also improve the performance and increase the versatility of the CBA, and so are doubly valuable. It should be kept in mind that in spite of the fact the AGS has been perhaps the most fruitful machine in the history of high energy physics, its full capacities have never been exploited. Even without improvements at least one generation of rare K decay experiments beyond those currently launched seems feasible. Beyond that a major effort at any of the experiments discussed above could take it to the point where it would be limited by intrinsic physics background. To pursue a full program of physics at this level one would want to increase the intensity of the AGS as described. A ten-fold increase in K flux would remove such experiments from the category of all-out technological assaults and render them manageable by reasonably small groups of physicists. In addition, certain other, cleaner experiments, e.g., K/sub L/° .-->. ee− or ee−.pi.°, could be pushed to limits unobtainable at the present AGS. The increased flux would also be welcomed by the neutrino and hypernuclear physics programs. Even experiments which do not at present require higher fluxes would benefit through the availability of purer beams and cleaner conditions.
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Languages : en
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The motivation for and present activity in rare kaon decay experiments are described. The reach of present and future accelerators for this physics is discussed. 56 refs., 10 figs.
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Languages : en
Pages :
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The objective of this group was to assess the opportunities for experiments on the K system over the next few years. This necessitated evaluating the impact of recent experimental and theoretical activity on the motivation for this work, adducing the technical lessons of the experiments, projecting the experimental techniques toward future efforts, and reviewing the facilities at which future experiments might be carried out. By and large we tried to indicate the general directions in which we feel future efforts will be most productive. More detailed attention is given to certain cases which seem to us particularly promising. 26 refs.
Author: P. Lo Presti
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Category : Colliders (Nuclear physics)
Languages : en
Pages : 210
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Author: Dieter Frekers
Publisher: Springer Science & Business Media
ISBN: 3642754678
Category : Science
Languages : en
Pages : 194
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"Physics at KAON", an international meeting jointly organized by the KFA Jillich and TRI UMF, was held in the Physikzentrum Bad Honnef from June 7 through June 9, 1989. This was one of a series of meetings - the first one in Europe - in which plans for the medium energy physics laboratory KAON were presented and some aspects of the physics at this new facility were discussed. The meeting focussed mainly on the topics of hadron spectroscopy, J{ -meson scattering, strangeness in nuclei, and rare decays. Also presented were some of the research programs at SATURNE and COSY which may well lead to KAON physics in the future. These proceed ings include articles which summarize our current experimental and theoretical knowledge in the various areas, as well as papers which describe lines of research feasible with KAON. The large number of participants - limited, in fact, by the capacity of the Physikzentrum - clearly demonstrates the great interest of the European physics community in the research avenues which will be opened by the high-intensity hadron facilities. March 1990 D. Frekers, D.R. Gill, J. Speth Contents Opening remarks By E. Vogt ...................................................... Sl The TRIUMF kaon factory accelerators By M.K. Craddock ................................................ S3 Experimental facilities By P. Kitching ................................................... S9 Polarized internal targets at KAON By C.A. Miller ................................................... S21 Hyperons in the bound state approach to the Skyrme model.
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Languages : en
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