155 research outputs found

    Learning to See at the Large Hadron Collider

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    The staged commissioning of the Large Hadron Collider presents an opportunity to map gross features of particle production over a significant energy range. I suggest a visual tool - event displays in (pseudo)rapidity-transverse-momentum space - as a scenic route that may help sharpen intuition, identify interesting classes of events for further investigation, and test expectations about the underlying event that accompanies large-transverse-momentum phenomena.Comment: 13 pages, 3 figures, pdfte

    Realizing the Potential of Quarkonium

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    I recall the development of quarkonium quantum mechanics after the discovery of Υ\Upsilon. I emphasize the empirical approach to determining the force between quarks from the properties of ccˉc\bar{c} and bbˉb\bar{b} bound states. I review the application of scaling laws, semiclassical methods, theorems and near-theorems, and inverse-scattering techniques. I look forward to the next quarkonium spectroscopy in the BcB_{c} system.Comment: 16 pages, 8 eps figures, uses aipproc and boxedeps. Symposium on Twenty Beautiful Years of Bottom Physics, IIT, 29 June - 2 July 1997 Published version Published versio

    Particle Physics-Future Directions

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    Wonderful opportunities await particle physics over the next decade, with the coming of the Large Hadron Collider at CERN to explore the 1-TeV scale (extending efforts at LEP and the Tevatron to unravel the nature of electroweak symmetry breaking) and many initiatives to develop our understanding of the problem of identity: what makes a neutrino a neutrino and a top quark a top quark. Here I have in mind the work of the B factories and the Tevatron collider on CP violation and the weak interactions of the b quark; the wonderfully sensitive experiments at Brookhaven, CERN, Fermilab, and Frascati on CP violation and rare decays of kaons; the prospect of definitive accelerator experiments on neutrino oscillations and the nature of the neutrinos; and a host of new experiments on the sensitivity frontier. We might even learn to read experiment for clues about the dimensionality of spacetime. If we are inventive enough, we may be able to follow this rich menu with the physics opportunities offered by a linear collider and a (muon storage ring) neutrino factory. I expect a remarkable flowering of experimental particle physics, and of theoretical physics that engages with experiment. I describe some of the great questions before us and the challenges of providing the instruments that will be needed to define them more fully and-eventually-to answer them.Comment: Invited paper at the 2001 Particle Accelerator Conference, Chicago; 5 pages; uses JAC2001.cls (included

    Perspectives on Heavy Quark 98

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    I summarize and comment upon some highlights of HQ98, the Workshop on Heavy Quarks (strange, charm, and beauty) at Fixed Target.Comment: Summary talk at HQ98. 21 pages, uses aipproc (included

    Perspectives in High-Energy Physics

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    I sketch some pressing questions in several active areas of particle physics and outline the challenges they present for the design and operation of detectors.Comment: 27 pages, 12 figures, uses aipproc (included) and boxedeps. Review lecture at the ICFA Instrumentation School, Istanbul, 30 June 199
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