Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The Tevatron Collider is performing beyond expectations for its first physics run. The peak luminosity is already 1.6 times the design goal of 103° cm/sup /minus/2/ s/sup /minus/1/. The anticipated integrated luminosity recorded by the major detector, CDF, is 3 inverse picobarns which should be sufficient to see the top quark if its mass is less than 110 GeV. The next two Collider runs will have improved performance with luminosity approaching 1031 at two interaction regions. In the years between 1993 and 2000, the Collider energy will be increased by using the highest field superconducting magnets then available, where 8.8 T would give 2 TeV on 2 TeV pbar-p collisions with a luminosity above 1031. To facilitate this possibility and to improve the general Collider capabilities, a new 150 GeV Main Injector is now being designed. 3 figs., 2 tabs.
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
A series of experiments with the Tevatron collider has been made which has a goal the operation of the machine with betatron tunes near 19.05. Experiments near the integer working point are described, including closed orbit control, and emittance growth due to power supply noise. Results from a pbar-p store with large pbar tunes shifts and tunes near the integer are described. 4 refs., 3 figs.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
This paper is a condensed version of the talk presented at the Fifth Topical Conference on Proton-Antiproton Collisions, St. Vincent, Italy, February 26, 1985. The principle objective of the talk was to inform the community of the present status of the collider at Fermilab. Since progress is rapid on both the accelerator and the detectors, much of the material presented would be out of date by the time these proceedings are published.
Author: Publisher: ISBN: Category : Languages : en Pages : 27
Book Description
The authors present the first observation and cross section measurement of exclusive dijet production in {bar p}p interactions, {bar p}p → {bar p} + dijet + p. Using a data sample of 310 pb−1 collected by the Run II Collider Detector at Fermilab at √s = 1.96 TeV, exclusive cross sections for events with two jets of transverse energy E{sub T}{sup jet} ≥ 10 GeV have been measured as a function of minimum E{sub T}{sup jet}. The exclusive signal is extracted from fits to data distributions based on Monte Carlo simulations of expected dijet signal and background shapes. The simulated background distribution shapes are checked in a study of a largely independent data sample of 200 pb−1 of b-tagged jet events, where exclusive dijet production is expected to be suppressed by the J{sub z} = 0 total angular momentum selection rule. Results obtained are compared with theoretical expectations, and implications for exclusive Higgs boson production at the pp Large Hadron Collider at √s = 14 TeV are discussed.
Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
We report on searches for supersymmetric particles with the D0 detector at the Fermilab p{ovr p} collider at (square root)s = 1800 GeV. The four searches are: (1) for squarks and gluinos in the jets + missing transverse energy channel, (2) for a light top squark in the jets + missing transverse energy channel, (3) for squarks and gluinos in the dielectron channel, and (4) for charginos and neutralinos in the trilepton channel. The first two searches use data from the 1992- 93 collider run, and the latter two use data from the 1994-95 collider run. 6 refs., 4 figs., 1 tab.
Author: Valery Lebedev Publisher: Springer ISBN: 1493908855 Category : Science Languages : en Pages : 496
Book Description
This book presents the developments in accelerator physics and technology implemented at the Tevatron proton-antiproton collider, the world’s most powerful accelerator for almost twenty years prior to the completion of the Large Hadron Collider. The book covers the history of collider operation and upgrades, novel arrangements of beam optics and methods of orbit control, antiproton production and cooling, beam instabilities and feedback systems, halo collimation, and advanced beam instrumentation. The topics discussed show the complexity and breadth of the issues associated with modern hadron accelerators, while providing a systematic approach needed in the design and construction of next generation colliders. This book is a valuable resource for researchers in high energy physics and can serve as an introduction for students studying the beam physics of colliders.
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Author: Valery Lebedev