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Differences between Electron and Ions Linacs
... At each frequency is associated a phase velocity, the velocity at which a certain phase travels in the waveguide. vp=∞ at ω=ωc and then decreases towards vp=c for ω￫∞. Energy (and information) travel at group velocity, varying with frequency between 0 and c. This velocity has to respect the relativi ...
... At each frequency is associated a phase velocity, the velocity at which a certain phase travels in the waveguide. vp=∞ at ω=ωc and then decreases towards vp=c for ω￫∞. Energy (and information) travel at group velocity, varying with frequency between 0 and c. This velocity has to respect the relativi ...
DUAL NATURE OF DARK MATTER: COMPOSITE OF BOTH
... mechanism, neutrinos do not have mass. But, about 15 years ago, experimenters discovered that neutrinos do have tiny masses and this has been hailed as a great discovery since this may show us how to go beyond the SM. Many researchers have proposed that these neutrinos might be the major constituent ...
... mechanism, neutrinos do not have mass. But, about 15 years ago, experimenters discovered that neutrinos do have tiny masses and this has been hailed as a great discovery since this may show us how to go beyond the SM. Many researchers have proposed that these neutrinos might be the major constituent ...
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Proton- [Proton - lambda] correlations in central Pb + Pb
... An important point with respect to correlation studies is the requirement that each candidate must be unique. If it happens that a daughter track of a given candidate is also assigned to another one, a strong artificial correlation between both candidates is created which in turn affects the mea ...
... An important point with respect to correlation studies is the requirement that each candidate must be unique. If it happens that a daughter track of a given candidate is also assigned to another one, a strong artificial correlation between both candidates is created which in turn affects the mea ...
From Maxwell to Higgs - James Clerk Maxwell Foundation
... of the fundamental particles of matter, the leptons and quarks, therefore took about a century culminating with the discovery of the top quark at Fermilab in the US in 2009. The missing piece of the Standard Model jigsaw puzzle was therefore the Higgs boson itself. Its mass is not predicted by the B ...
... of the fundamental particles of matter, the leptons and quarks, therefore took about a century culminating with the discovery of the top quark at Fermilab in the US in 2009. The missing piece of the Standard Model jigsaw puzzle was therefore the Higgs boson itself. Its mass is not predicted by the B ...
Zein-Eddine Meziani
... First electron-nucleus (various species) collider in the world Both cases make use of existing facilities ...
... First electron-nucleus (various species) collider in the world Both cases make use of existing facilities ...
REU Research Project: Simulating neutron interaction with the Super
... Current attempts to detect WIMPs do so either through direct detection, which is the aim of our group (CDMS); by indirect detection, which entails looking for telltale indicators of WIMPs annihilating; or by creation in a collider [2]. Previous implementations of CDMS [3,4] failed to return conclusi ...
... Current attempts to detect WIMPs do so either through direct detection, which is the aim of our group (CDMS); by indirect detection, which entails looking for telltale indicators of WIMPs annihilating; or by creation in a collider [2]. Previous implementations of CDMS [3,4] failed to return conclusi ...
Nick Childs - Physics
... In 1911 Ernest Rutherford published the results that would change our view of the atom forever. Prior to his analysis of alpha particles incident on gold foil, the atom was thought of as a “plum pudding” in which electrons, the plums, resided in a pudding of positive charge. The experiments conducte ...
... In 1911 Ernest Rutherford published the results that would change our view of the atom forever. Prior to his analysis of alpha particles incident on gold foil, the atom was thought of as a “plum pudding” in which electrons, the plums, resided in a pudding of positive charge. The experiments conducte ...
Large Hadron Collider
The Large Hadron Collider (LHC) is the world's largest and most powerful particle collider, the largest, most complex experimental facility ever built, and the largest single machine in the world. It was built by the European Organization for Nuclear Research (CERN) between 1998 and 2008 in collaboration with over 10,000 scientists and engineers from over 100 countries, as well as hundreds of universities and laboratories. It lies in a tunnel 27 kilometres (17 mi) in circumference, as deep as 175 metres (574 ft) beneath the France–Switzerland border near Geneva, Switzerland. Its first research run took place from 30 March 2010 to 13 February 2013 at an initial energy of 3.5 teraelectronvolts (TeV) per beam (7 TeV total), almost 4 times more than the previous world record for a collider, rising to 4 TeV per beam (8 TeV total) from 2012. On 13 February 2013 the LHC's first run officially ended, and it was shut down for planned upgrades. 'Test' collisions restarted in the upgraded collider on 5 April 2015, reaching 6.5 TeV per beam on 20 May 2015 (13 TeV total, the current world record for particle collisions). Its second research run commenced on schedule, on 3 June 2015.The LHC's aim is to allow physicists to test the predictions of different theories of particle physics, high-energy physics and in particular, to prove or disprove the existence of the theorized Higgs boson and the large family of new particles predicted by supersymmetric theories, and other unsolved questions of physics, advancing human understanding of physical laws. It contains seven detectors, each designed for certain kinds of research. The proton-proton collision is the primary operation method, but the LHC has also collided protons with lead nuclei for two months in 2013 and used lead–lead collisions for about one month each in 2010, 2011, and 2013 for other investigations. The LHC's computing grid was (and currently is) a world record holder. Data from collisions was anticipated to be produced at an unprecedented rate for the time, of tens of petabytes per year, a major challenge at the time, to be analysed by a grid-based computer network infrastructure connecting 140 computing centers in 35 countries – by 2012 the Worldwide LHC Computing Grid was also the world's largest distributed computing grid, comprising over 170 computing facilities in a worldwide network across 36 countries.