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Author: Ian Brock
Publisher: John Wiley & Sons
ISBN: 3527634975
Category : Science
Languages : en
Pages : 437
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Book Description
Written by authors working at the forefront of research, this accessible treatment presents the current status of the field of collider-based particle physics at the highest energies available, as well as recent results and experimental techniques. It is clearly divided into three sections; The first covers the physics -- discussing the various aspects of the Standard Model as well as its extensions, explaining important experimental results and highlighting the expectations from the Large Hadron Collider (LHC). The second is dedicated to the involved technologies and detector concepts, and the third covers the important - but often neglected - topics of the organisation and financing of high-energy physics research. A useful resource for students and researchers from high-energy physics.
Author: Ian Brock
Publisher: John Wiley & Sons
ISBN: 3527634975
Category : Science
Languages : en
Pages : 437
Get Book Here
Book Description
Written by authors working at the forefront of research, this accessible treatment presents the current status of the field of collider-based particle physics at the highest energies available, as well as recent results and experimental techniques. It is clearly divided into three sections; The first covers the physics -- discussing the various aspects of the Standard Model as well as its extensions, explaining important experimental results and highlighting the expectations from the Large Hadron Collider (LHC). The second is dedicated to the involved technologies and detector concepts, and the third covers the important - but often neglected - topics of the organisation and financing of high-energy physics research. A useful resource for students and researchers from high-energy physics.
Author: Gerard Mourou
Publisher:
ISBN: 9811217130
Category : Nanostructures
Languages : en
Pages : 269
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Book Description
"Recent advancements in generation of intense X-ray laser ultrashort pulses open opportunities for particle acceleration in solid-state plasmas. Wakefield acceleration in crystals or carbon nanotubes shows promise of unmatched ultra-high accelerating gradients and possibility to shape the future of high energy physics colliders. This book summarizes the discussions of the "Workshop on Beam Acceleration in Crystals and Nanostructures" (Fermilab, June 24-25, 2019), presents next steps in theory and modeling and outlines major physics and technology challenges toward proof-of-principle demonstration experiments"--Publisher's website.
Author: H. G. Dosch
Publisher: CRC Press
ISBN: 1439865213
Category : Mathematics
Languages : en
Pages : 292
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Book Description
Beyond the world of atoms, at scales smaller than the smallest nuclei, a new world comes into view, populated by an array of colorful elementary particles: strange and charmed quarks, muons and neutrinos, gluons and photons, and many others, all interacting in beautifully intricate patterns. Beyond the Nanoworld tells the story of how this new real
Author:
Publisher:
ISBN: 0190202750
Category : Bryophytes
Languages : en
Pages : 729
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Book Description
Author: Ugo Amaldi
Publisher: Springer
ISBN: 9783642230523
Category : Science
Languages : en
Pages : 0
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Book Description
After a historical consideration of the types and evolution of accelerators the physics of particle beams is provided in detail. Topics dealt with comprise linear and nonlinear beam dynamics, collective phenomena in beams, and interactions of beams with the surroundings. The design and principles of synchrotrons, circular and linear colliders, and of linear accelerators are discussed next. Also technological aspects of accelerators (magnets, RF cavities, cryogenics, power supply, vacuum, beam instrumentation, injection and extraction) are reviewed, as well as accelerator operation (parameter control, beam feedback system, orbit correction, luminosity optimization). After introducing the largest accelerators and colliders of their times the application of accelerators and storage rings in industry, medicine, basic science, and energy research is discussed, including also synchrotron radiation sources and spallation sources. Finally, cosmic accelerators and an outlook for the future are given.
Author: Dana Arnold
Publisher: Routledge
ISBN: 1134417519
Category : Architecture
Languages : en
Pages : 566
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Book Description
Architecture as Experience investigates the perception and appropriation of places across intervals of time and culture. The particular concern of the volume is to bring together fresh empirical research and animate it through contact with theoretical sophistication, without overwhelming the material. The chapters establish the continuity of a particular physical object and show it in at least two alternative historical perspectives, in which recognisable features are shown in different lights. The results are often surprising, inverting the common idea of a historic place as having an enduring meaning. This book shows the insight that can be gained from learning about earlier constructions of meaning which have been derived from the same buildings that stand before us today.
Author: Anne Stibbs
Publisher: Bloomsbury Pub Limited
ISBN: 9780747550754
Category : Games
Languages : en
Pages : 423
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Book Description
An aid to solving crosswords. It contains over 100,000 potential solutions, including plurals, comparative and superlative adjectives, and inflections of verbs. The list extends to first names, place names and technical terms, euphemisms and compound expressions, as well as abbreviations.
Author: Bathroom Readers' Institute
Publisher: St. Martin's Griffin
ISBN: 9780312668419
Category : Humor
Languages : en
Pages : 896
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Book Description
Originally published in 4 separate volumes at $40.00 Here's a potpourri of stimulating reading for moments when nothing but the most absorbing material will do! No more frantic searches at the last minute for that perfect magazine article. No agonizing choices between light reading and the serious stuff. This 4-ply reader has it all: entertainment, humor, education, trivia, science, history, pop culture...and more! Of course, it's even divided by length—you can spend a minute with the Quickies, relax with Normal-Length articles, or really get comfortable with Long Items. With UNCLE JOHN'S 4-PLY BATHROOM READER strategically placed in your home, you'll settle in happily and read about: The Origins of Common Words and Phrases The 7 Wonders of the Ancient World The Real Difference Between Burger King and McDonald's Elvis's Letter to Richard Nixon The Curse of King Tut What's in a Twinkie Bizarre Lawsuits For years, the Bathroom Reader's Institute has researched your bathroom reading habits in an attempt to understand and serve the interests of America's forgotten readers. Enjoy
Author: Rolf-Dieter Heuer
Publisher:
ISBN: 9783901753282
Category : Education
Languages : de
Pages : 0
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Book Description
4 July 2012 - Scientific sensation: Higgs boson found! Extraordinary pictures are interspersed with texts about the machine that made this discovery possible the Large Hadron Collider. ,
Author: Eftychia Tzovara
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The predictions of the Standard Model (SM) of particle physics have been probed with remarkable accuracy, so far. The Large Hadron Collider (LHC) at CERN has significantly contributed to this quest. A remarkable achievement of the ATLAS and CMS experiments at the LHC was the discovery of the Higgs boson in 2012, the last missing piece of the SM. With the increasing amount of proton-proton collisions delivered by the LHC, more precise measurements of the Higgs boson are now possible, while rare processes are accessible as well. A property of the Higgs boson that is of particular importance is its coupling to the top quark, which is expected to be the strongest in the SM due to the high mass of the top quark. Therefore, its precise measurement is a stringent test of the SM. A direct measurement of the top-quark Yukawa coupling can be assessed through the Higgs-boson production in association with a pair of top quarks (ttH). This thesis presents the measurement of the ttH process with a subsequent Higgs-boson decay to a pair of b-quarks (H -> bb), the decay mode with the largest branching ratio. The measurement is performed with data collected by the ATLAS detector, corresponding to an integrated luminosity of 139 fb^-1 at a center-of-mass energy of 13 TeV. Events with one or two charged leptons from the tt decay in the final state are considered to the measurement. The main challenge of the ttH(H -> bb) channel emerges from the large SM backgrounds from the production of top-quark pairs with additional jets (tt+jets). Also the many jets coming from b-hadrons (b-jets) in the final state cause combinatorial ambiguities. Thus, the identification of such jets is decisive in order to determine the signal and reject many background processes. The ttH events are split into exclusive analysis regions, based on the number of leptons, jets, and jets tagged as b-jets, providing regions enhanced in signal, or in the main background components. Specifically in the single-lepton channel, a boosted category is defined by selecting events in which the Higgs boson and possibly also the hadronically decaying top quark are produced with high transverse momentum (pT), with their decay products being collimated in large-radius jets. The single-lepton boosted channel targets events with Higgs-boson candidate pT >= 300 GeV and is the main scope of this thesis. To identify the reconstructed objects with the underlying particles and to maximise the discrimination of the ttH signal from the overwhelming tt+jets background events in the signal-enriched regions, machine-learning algorithms are employed. The background is dominated by a tt process with an additional gluon in the final state which further splits into a pair of b-quarks (tt+bb). Besides, a large number of heavy-flavour jets in the final state is not well modelled, thus many systematic uncertainties have to be considered, decreasing the sensitivity of the measurement. All the defined analysis regions are analysed together in a combined profile likelihood fit to test for the presence of signal. The fit simultaneously determines the event yields for the signal and the most important background component, while constraining the overall background model within the assigned systematic uncertainties. Eventually, the ratio of the measured ttH cross section to the SM expectation in the inclusive cross-section measurement is found to be 0.35 +0.36,-0.34}, corresponding to an observed (expected) significance of 1.0 (2.7) standard deviations. A ttH signal strength larger than the SM prediction is excluded at 95% confidence level. The measurement uncertainty is dominated by systematic uncertainties, mainly regarding the theoretical knowledge of the tt +>= 1b background process. Finally, to further test the SM, the cross-section is measured differentially as a function of the generator-level Higgs-boson pT, taking advantage of the reconstruction of the Higgs-boson kinematics.
