32,056 research outputs found
Search for new physics in events with same-sign dileptons and jets in pp collisions at ?s = 8 TeV
No full textA search for new physics is performed based on events with jets and a pair of isolated, same-sign leptons. The results are obtained using a sample of proton-proton collision data collected by the CMS experiment at a centre-of-mass energy of 8 TeV at the LHC, corresponding to an integrated luminosity of 19.5 fb-1. In order to be sensitive to a wide variety of possible signals beyond the standard model, multiple search regions defined by the missing transverse energy, the hadronic energy, the number of jets and b-quark jets, and the transverse momenta of the leptons in the events are considered. No excess above the standard model background expectation is observed and constraints are set on a number of models for new physics, as well as on the same-sign top-quark pair and quadruple-top-quark production cross sections. Information on event selection efficiencies is also provided, so that the results can be used to confront an even broader class of new physics models. [Figure not available: see fulltext.] © 2014 The Author(s)
Neutrino Physics
No full textWhen Kai Zuber’s pioneering text on neutrinos was published in 2003, the author correctly predicted that the field would see tremendous growth in the immediate future. In that book, Professor Zuber provided a comprehensive self-contained examination of neutrinos, covering their research history and theory, as well as their application to particle physics, astrophysics, nuclear physics, and the broad reach of cosmology; but now to be truly comprehensive and accurate, the field’s seminal reference needs to be revised and expanded to include the latest research, conclusions, and implications. Revised as needed to be equal to the research of today, Neutrino Physics, Third Edition delves into neutrino cross-sections, mass measurements, double beta decay, solar neutrinos, neutrinos from supernovae, and high-energy neutrinos, as well as entirely new experimental results in the context of theoretical models. Written to be accessible to graduate students and readers from diverse backgrounds, this edition, like the first, provides both an introduction to the field as well as the information needed by those looking to make their own contributions to it. And like the second edition, it whets the researcher’s appetite, going beyond certainty to pose those questions that still need answers. Features Presents the only single-author comprehensive text on neutrino physics Includes experimental and theoretical particle physics and examines solar neutrinos and astroparticle implications Offers details on new developments and recent experiment
Analytical study of contents of LANL physics and cross-listed e-print archives, 1994-2002
No full textThe frontiers of physics and cross-listed e-print archives posted during the years 1994-2002 at http://www.arxiv.org/archives/physics web service of Los Alamos National Laboratory (LANL) are explored from 7770 submissions. E-print archives posted to top most six physics-cross-listed research categories besides physics (5390) are: Condensed matter (754), Quantum physics (279), Astrophysics (222), Chemical physics (129), High energy physics - Phenomenology (118), and High energy physics-Theory (100). Prominent contributors are B.G. Sidharth (India), V.V. Flambaum (Australia), Antonina N. Fedorova (Russia), and Michael G. Zeitlin (Russia). Most preferred journals for rechannelising e-print archives are Physical Review Letters, Physical Review A, Physical Review E, Nuclear Instruments and Methods A, and Journal of Chemical Physics
[EBOOK] Thermal Physics (2nd Edition) TXT,PDF,EPUB
No full textRead Or Download Thermal Physics (2nd Edition) Full Books By by {"isAjaxInProgress_B001H6OICC":"0","isAjaxComplete_B001H6OICC":"0"} Charles Kittel (Author) › Visit Amazon's Charles Kittel Page Find all the books, read about the author, and more. See search results for this author Are you an author? Learn about Author Central Charles Kittel (Author), {"isAjaxInProgress_B001H6OICC":"0","isAjaxComplete_B001H6OICC":"0","isAjaxComplete_B001KD4C2S":"0","isAjaxInProgress_B001KD4C2S":"0"} Herbert Kroemer (Author) › Visit Amazon's Herbert Kroemer Page Find all the books, read about the author, and more. See search results for this author Are you an author? Learn about Author Central Herbert Kroemer (Author)
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Douglas College Physics 1107
No full textPhysics 1107 is a Douglas College custom textbook for first year college physics, based on Open Stax College Physics. Algebra based, designed primarily for biology and earth science majors.open accessPublished. This PDF is a representation of the book as at October 3, 2021. The online version may have been updated. For the most recent version, please visit the online book linked in this record.physic
Thermal dark matter implies new physics not far above the weak scale
No full textIn this work we complete a model independent analysis of dark matter constraining its mass and interaction strengths with data from astro- and particle physics experiments. We use the effective field theory framework to describe interactions of thermal dark matter particles of the following types: real and complex scalars, Dirac and Majorana fermions, and vector bosons. Using Bayesian inference we calculate posterior probability distributions for the mass and interaction strengths for the various spin particles. The observationally favoured dark matter particle mass region is 10-100 GeV with effective interactions that have a cut-off at 0.1-1 TeV. This mostly comes from the requirement that the thermal abundance of dark matter not exceed the observed value. Thus thermal dark matter coupled with present data implies new physics most likely under 10 TeV.JHEP is an open-access journal funded by SCOAP3 and licensed under CC BY 4.
Retrieving the susceptibility from time-resolved terahertz experiments
No full textCopyright © 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Chemical Physics 127 (2007) and may be found at http://link.aip.org/link/?JCPSA6/127/094308/1We present an analytical expression for the observed signal in time- and phase-resolved pump-probe studies, with particular emphasis on terahertz time-domain spectroscopy. Maxwell's equations are solved for the response of damped, harmonic oscillators to a driving probe field in the perturbative regime. Our analytical expressions agree with the one previously reported in the literature [Nemec et al., J. Chem. Phys. 122, 104503 (2005)] in the Drude limit; however, they differ in the case of a vibrational resonanc
Douglas College Physics 1207
No full textDouglas College for Physics 1207, based on Open Stax Physics. This textbook focuses on electricity, magnetism, optics and modern physics.open accessPublished. This PDF is a representation of the book as at October 3, 2021. The online version may have been updated. For the most recent version, please visit the online book linked in this record.physic
Distributed Information Services in Physics
No full textThe concept of distributed information services maintained by a distributed work force for scientific information is described. Realizations and experiences for Physics (since 1995), Marine Sciences, and dissertation theses in physics are presented. Technically the information is gathered from the local web servers of the worldwide distributed research institutes and departments, by distributed Harvest-gatherers, under the control of national learned societies or regional other institutions. Queries are answered by a network of mirrors of Harvest-brokers. For PhysNet, a Charter sets the rules to assure a noncommercial, free full-text access service, under the control of the set of national national learned societies involved, but unbiased to any single one
Douglas College Physics 1104: Summer 2021
No full textDouglas College Physics 1104 has been modified from Open Stax College Physics for the course Practical Physics 1104 at Douglas College.open accessPublished. This PDF is a representation of the book as at October 1, 2021. The online version may have been updated. For the most recent version, please visit the online book linked in this record
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