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Topic: Hybrid (particle physics)

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Exotic meson

Hadron

List of particles

Meson

Baryon

Subatomic particle

Particle

Fermion

	An Analysis of Madhyamike Particle Physics (Site not responding. Last check: 2007-09-18)
		In the East, the importance of 'minute particles' for scholarship and research has been in proportion to their size - there was no way to observe such particles directly, and while they figured in many schools' paradigms of physical existence they were generally relegated to the baggage compartment while other topics were more hotly debated.
		The reductionist tactics of both physics and psychology are a result of the unconscious acceptance that to know what a thing is, you must take it apart and examine its pieces, and the further belief that things are what they are apart from your experience of them.
		That the Tibetans have taken to teaching physics in their monasteries in exile is evidence that they see the need for a retooling, or at least a good upgrade, of their traditional system.
	www.tibet.org /dan/madhyamika/mad.html (10056 words)

	Nat' Academies Press, Elementary-Particle Physics (1986)
		These particles were the first in a long sequence of particles that were unnecessary in the sense that they were not needed as constituents of ordinary matter.
		Physical theories can have symmetries of a similar kind, but what remains invariant or unchanged after a transformation is not a pattern or an object but the mathematical structure of the laws of the theory itself.
		In (b) the interaction of the particle itself is shown: a proton in the beam interacts with a proton in the target and produces four particles.
	www.nap.edu /books/0309035767/html/18.html (7067 words)

	Scientific Thoughts: New Meson
		Photons (particles of light, carrier of the electromagnetic force), and Gluons (carrier of the strong nuclear force, that binds protons and neutrons into atomic nuclei) are Bosons.
		The force particles are photon (electromagnetic force), gluon (strong nuclear force), W and Z boson (weak nuclear force, responsible for radioactivity).
		These include several particles called pentaquarks (which may or may not exist) that contain five quarks, a particle called the X(3872) that appears to be made of four quarks, and another meson called the Ds(2317) that does not behave as predicted.
	scithought.blogspot.com /2005/05/new-meson.html (1630 words)

	Frontiers - Update
		One of the most successful imaging devices of recent decades has been the charge-coupled device (CCD) developed for astronomy and particle physics, which is now found in cameras bought on the high street as well as in medical X-ray equipment (Frontiers 5).
		Today, a new generation of pixel detectors developed to detect particles in the demanding environment of the Large Hadron Collider (LHC) at CERN is finding applications in medicine.
		Hybrid pixel detectors have been investigated and used for many years to track particles in particle physics experiments.
	www.pparc.ac.uk /frontiers/archive/update.asp?id=16U4&style=update (458 words)

	Physics (Site not responding. Last check: 2007-09-18)
		Particle Physics is a very international activity with SLAC, Stanford California and the CDF facility, Fermilab, Illinois used.
		The fundamental physics of x-ray absorption spectroscopy is being studied experimentally and theoretically.
		Structural and Materials Physics is concerned with the fundamental understanding of the structure and physical properties of solid materials including many types of crystalline solid, glasses, polymers and metals.
	www2.warwick.ac.uk /study/postgraduate/science/physics (3348 words)

	Research
		Relativistic Heavy Ion Physics is the study of nucleus-nucleus collisions at high energies in order to understand the behavior of extended nuclear matter under the extreme conditions of high density and temperature.
		The Wayne State group is studying rare decays of charm particles for evidence that the decays are affected by the existence of previously undiscovered, high mass particles.
		A major goal of the experimental effort to study the physics of B mesons is to explore the features of the phenomenon of CP violation, to test the Standard Model of particle physics, and to search for the glimpses of New Physics at higher energies.
	www.physics.wayne.edu /research/research.html (4738 words)

	Particle Physics in Bulgaria
		Experimental high energy physics activities in Bulgaria were started in early 1950's as a research in the field of cosmic ray physics.
		The programmes for simulation and physics analysis of the hadron calorimeter developed by Bulgarian physicists are accepted as standard by the CMS collaboration.
		In addition, the Faculty of Physics is providing a group of graduate students, involved in particle physics research projects.
	outreach.web.cern.ch /outreach/Public/bg/BG-HEP.html (2738 words)

	Department of Physics & Astronomy - Experimental Particle Physics
		Without particle identification decay modes with expected CP asymmetries would be seriously deluted by modes with larger branching fractions.
		At LHC b particle identification of charged particles is performed, among others, by two Ring Image Cherenkov (RICH) counters where particles propagates through a medium.
		Due to the Cherenkov effect in this medium highly relativistic charged particles emit light in an angle relative to the trajectory of the particle where the angle is defined by the particles momentum.
	www.ph.ed.ac.uk /particle/Exp/LHCb (405 words)

	Empedocles [Internet Encyclopedia of Philosophy]
		The foundations of Empedocles' physics lie in the assumption that there are four 'elements’ of matter, or ‘roots’ as he calls them, using a botanical metaphor that stresses their creative potential: earth, air, fire and water.
		Empedocles' physics have a particularly biological focus as is indicated by his choice of the botanical metaphor of 'roots’ for what were later called 'elements'.
		This weird picture is explained by Aristotle in the Physics and later in more detail by Simplicius in his commentary on the Physics as a theory of the origin of species in which, as we would put it, a certain form of natural selection is operative.
	www.utm.edu /research/iep/e/empedocl.htm (5561 words)

	New exotic particle (Site not responding. Last check: 2007-09-18)
		Physicists working at the Brookhaven National Laboratory in the US have found evidence for a new and rare subatomic particle, called a "hybrid meson".
		The existence of this type of particle - an exotic mixture of the more fundamental quarks and gluons - was first predicted by theorists in the late 1970s.
		By contrast, mesons - which are created in particle collisions but are short-lived - consist of a quark together with an antiquark (like a quark, but with exactly opposite properties).
	hepweb.rl.ac.uk /ppUK/PressReleases/1997/pr_hybrids.html (358 words)

	Position Sensitive Detectors in Particle Physics
		Particle Physics 'experiments' are capital facilities that are like astronomical observatories, in that a range of studies may be undertaken over a period of years using the same kit of parts.
		A detector which is sensitive to minimum-ionising particles is vulnerable to streamer discharges caused by heavily ionising particles such as nuclear fragments which are always present at a low rate in reactions involving hadrons.
		Particle Physics continues to set exacting demands on detector technology and readout: in speed, position resolution, double hit resolution, material thickness, radiation hardness, data flow, data compression and event triggering.
	ppewww.ph.gla.ac.uk /preprints/1999/17/SaxonPSD5web.html8 (3586 words)

	Particle Physics
		Alex Edelman wrote: From: Alex Edelman Subject: Particle Physics Date: Tue, 9 Jul 1996 15:11:14 -0400 (EDT) Particle Physics http://www.eagle.co.uk/ppj/home.html Particle Physics is an experimental alerting service which has been designed to supplement and complement existing services (such as the preprint systems) and journals.
		Particle Physics is run in affiliation with the Physics Department of the University of Oldenburg in Germany, with whom it is intended to set up a similar system for papers in condensed matter physics.
		Recent Table of Contents: * Experimental particle physics: - Production of antihydrogen * Phenomenological particle physics (including lattice theory): - A combination of preliminary LEP electroweak measurements and constraints on the standard model - Non-perturbative determination of beta-functions and excited string states from lattices * Theoretical particle physics (incl.
	gort.ucsd.edu /newjour/p/msg02247.html (191 words)

	Royal Holloway Physics
		He is now collaborating with DESY exploring the physics potential of an international linear collider and in developing beam diagnostic instruments.
		Her current research involves CP violation in B meson decays with the BaBar experiment at SLAC, with a view to furthering understanding of the cause of the matter-antimatter asymmetry present in the universe.
		His main research interest has been the search for the Higgs particle, which is believed to explain the origin of mass of all fundamental particles.
	www.ph.rhbnc.ac.uk /publicity/acc_staff.html (995 words)

	Energetic Particle Physics (Site not responding. Last check: 2007-09-18)
		A new Kinetic/MHD hybrid code HINST has been developed to study the stability of high-n TAE modes in larger plasmas (e.g., relevant to ITER design studies).
		This code keeps non-perturbatively kinetic effects of energetic particles as well as thermal particles, and includes all relevant physics for the TAE stability problem.
		Email Nikolai Gorelenkov for more information on Energetic Particle Physics.
	w3.pppl.gov /theory/proj9.html (119 words)

	UA Physics Department - Theoretical Elementary Particle Physics
		Elementary particle physics is the quest to discover and understand the properties and interactions of the fundamental building blocks of matter.
		By exploring the interplay between string theory and particle physics, my goal is to understand the novel ways in which the two can enrich each other and ultimately provide new and unexpected perspectives on physics beyond the Standard Model.
		Current research interests include the phenomenology of low energy supersymmetric models; collider searches of new particles; studies on the Higgs sector and how to distinguish various supersymmetry breaking scenarios using the precision measurements of Higgs mass and couplings; electroweak precision measurements and indirect searches of new physics; and particle cosmology.
	www.physics.arizona.edu /physics/research/theorpart.html (716 words)

	Particle Physics Theory
		Theoretical particle physicists are now able to investigate problems ranging in size from the sub-atomic to the whole universe and in time from the creation of the universe to the distant future.
		In particle spectroscopy a top priority at RAL is to pinpoint the detailed spectra of scalar and tensor mesons at around 1 GeV and above, where even extracting the spectrum from data can be controversial.
		An analysis of new data from SLAC and CERN on polarised deep inelastic scattering on neutron and deuteron targets, combined with previous data on proton targets, has been used for a check of the Bjorken sum-rule and a determination of the quark spin content of the proton.
	hepwww.rl.ac.uk /pub/annrep93/part7-ann-rep93.html (907 words)

	PARTICLE PHYSICS EXPERIMENTAL
		These studies have been extended to investigate the recoiling proton fragments as well as to the measurement of the overall topological characteristics of such events, and are exploring the application of QCD theory to a new and challenging environment.
		Physics analysis currently concentrates on the areas of: a) Precision measurements of the W mass both at threshold and above, most recently taking a dominant role in the direct mass reconstruction using semileptonic WW events.
		We are contributing to the physics simulation studies of low mass Standard Model Higgs produced in association with W and ttbar, and to the inner detector tracker performance, in particular for b-physics.
	www.physics.gla.ac.uk /gradschool/w4ppe.html (1869 words)

	RESEARCH ASSOCIATES IN PARTICLE PHYSICS - further particulars
		We are looking for outstanding applicants with experience in experimental particle physics analysis or in related technology and who hold, or soon will have, a Ph D. Both positions will involve working overseas.
		As well as contributing to physics simulation studies of the ATLAS inner detector tracker performance, (in particular for b-physics), we have responsibilities within the Northern U.K. cluster for contributions to the construction (ultrasonic wire-bonding) and testing of forward tracker silicon microstrip modules for ATLAS.
		The physics harvest expected at CDF is very rich; including excellent opportunities in b- physics (CP asymmetry, Bs mixing); a substantial sample of top quarks; strong potential for new physics (SUSY searches, and Higgs searches); and a measurement of the W mass whose accuracy should supersede that of LEP.
	ppewww.ph.gla.ac.uk /raadvertfps.html (1774 words)

	CERN Courier - DESY workshop combines gravi - IOP Publishing - article
		Important puzzles in cosmology can find their natural explanation in microscopic particle physics, and a discovery in astrophysics can sometimes give new insights into the structure of fundamental interactions.
		However, some of the pieces essential for building a theory that combines the physics of the macrocosmos with all microscopic phenomena in a complete and satisfactory way are still missing.
		One of the most prominent consequences of D-brane physics is that a string theory in a so-called anti-de Sitter space-time (one with constantly negative curvature) is equivalent to conformal field theories - in other words there is a deep connection between string theory and quantum field theory.
	www.cerncourier.com /main/article/42/3/17 (1851 words)

	Physics 422 Info (Site not responding. Last check: 2007-09-18)
		The intent of the course is to introduce nuclear and particle physics with a strong emphasis on using astrophysics examples.
		(It is not clear if we will be able to hold to this schedule or not.) Attempting to do this while introducing key nuclear and particle physics concepts may make things a bit tricky at times, and will require active participation by you.
		This is not going to be a traditional lecture course, but a hybrid.
	faculty.washington.edu /jfw/course/phys422s01/phys422info.html (450 words)

	Science Tribune
		Experiments carried out recently at Germany's national particle physics laboratory near Hamburg suggest that the electron may occasionally merge with quarks in high-energy collisions, forming a 'leptoquark', a previously undiscovered hybrid particle.
		Particle physicists say that if the statistics of these results hold up after undertaking more repeat experiments, then the Standard Model will have to be extended or even rejected.
		Bohm argued that the fundamental particles and fields so beloved of most physicists are no more than what he termed the explicate order, that part of the universe which is made manifest by use of our senses (or, extending our senses, scientific instruments).
	www.tribunes.com /tribune/art97/crom.htm (2586 words)

	Science Physics Particle Neutrino Experiments (Site not responding. Last check: 2007-09-18)
		HERON - Research and development project to create a detector suitable for real-time, high rate measurement of neutrinos from both the p-p and Be7 reactions in the Sun using superfluid helium as the target substance.
		High energy physics for Colorado - The Arapaho Project is promoting the construction of a neutrino detector in Colorado, the result of which may solve the grand unification theory.
		The father of the project, Masatoshi Koshiba, is one of the 2002 Nobel laureates in physics.
	www.iper1.com /iper1-odp/scat/id/Science/Physics/Particle/Neutrino/Experiments (1352 words)

	Faculty Position in Particle Physics (Site not responding. Last check: 2007-09-18)
		An important interest of the theory group is particle physics phenomenology.
		Most recently, members of the group have worked on electroweak phenomenology and various aspects of physics beyond the standard model as can be studied at the LHC and the ILC e+e- collider.
		They are also working on varous aspects of hadron physics, hybrid searches at the 12 GeV upgrade at Jefferson Lab, the light-cone field theory applied to hadrons, string theory and astroparticle physics.
	www.physics.carleton.ca /employment/postdoc-theory.html (314 words)

	Annual report 1997 - Experimental Elementary Particle Physics
		The particle physics group is engaged in the experimental study of nature’s smallest particles and the fundamental forces which determine how the particles interact with each other.
		Quantum mechanics tells us that the higher the energy of a particle, the shorter its wavelength, and when used as a probe (a bit like light is used to probe bacteria under a microscope), it is able to reveal smaller and smaller structures.
		The only practical way for us to carry out ground-breaking particle physics experiments today is by collecting our financial and intellectual resources at centralised laboratories such as CERN and DESY, and working together in large groups.
	www.fys.uio.no /publ/aarsrapp/rapport97/epp.html (772 words)

	Physics and Astronomy Research Experience Reviews: REU's at CERN
		Many of my fellow American REU students did not have enough physics background to get a lot out of the lectures because they either (1) were rising seniors who had not taken enough physics courses yet, especially quantum mechanics, or (2) had majored in something besides physics, such as engineering or computer science.
		The fact that it is at CERN, the world's largest particle physics center, and that CERN is near Geneva on the border between France and Switzerland, ought to be enough.
		They were given to a wide audience: engineers and computer scientists who knew nothing about quantum mechanics or particles, physicists like me who had never taken a particle physics course or a field theory course, and more advanced students who had significant background in high energy physics.
	www.sccs.swarthmore.edu /org/swap/reureviews/cern.html (4132 words)

	Particle physics implications of Wilkinson microwave anisotropy project measurements
		Particle physics implications of Wilkinson microwave anisotropy project measurements
		We present an overview of the implications of the WMAP data for particle physics.
		In particular, hybrid models favoured by supersymmetric unification continue to be viable.
	www.ias.ac.in /pramana/v63/p1317/abs.htm (165 words)

	Duke Physics: Nuclear/Particle Theory Group: The Physics of the QGP
		Physics: Nuclear/Particle Theory Group: The Physics of the QGP
		The tracks indicate the paths taken by thousands of subatomic particles produced in the collisions as they pass through the STAR Time Projection Chamber, a large, 3-D digitial camera.
		The central problem in the study of the QGP is that the deconfined quanta of a QGP are not directly observable due to the fundamental confining property of the physical QCD vacuum.
	www.phy.duke.edu /research/NPTheory/qgp.ptml (573 words)

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