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The University of Liverpool

The University of Liverpool is a university in the city of Liverpool, England. It is a member of the Russell Group and the N8 Group for research collaboration, and founded in 1881 (as a University College) it is also one of the six original "red brick" civic universities. The university has produced eight Nobel Prize winners and today has more than 230 first degree courses across 103 subjects, as well as an annual turnover of £340 million, including £123 million for research.

More information: http://en.wikipedia.org/wiki/University_of_Liverpool

HYBRIDS EDR LIVERPOOL APRIL 05 Tony Smith

Client's aspirations, briefing and alignment of needs both within the client organisation and throughout the supply chain

(spin tracking to astra) - klaus flux concentrator NW grid – daresbury, lancaster, manc, liv – GRID DEPLOYMENT practice for GRIDPP, make use of available resources (Liv) certificates, private key, growl Merlin: c++ windows, linux <- grid simple job submitted, try soft multiplex jobs next but multiple communicating parallel process later, Gabrielle apsv3? (job manager) merlin/crosscheck with larissa – compare quantities (emittance) future plans – check all parts of machine against merlin

Towards a Large Hadron electron Collider at the LHC 5-140 GeV e± on 1-7 TeV p,A Report at the CERN Institute for Colliders Beyond the LHC, 18.02.09 Physics Programme: cf Emmanuelle Perez, ibid. http://www.lhec.org.uk Max Klein University of Liverpool and Cockcroft Institute H1 and ATLAS klein@ifh.de
Accelerator Science and Techology

Accelerator Science and Techology

http://www.astec.ac.uk/id_mag/ID-Mag_Helical.htm I.R. Bailey, J.B. Dainton, L.J. Jenner, L.I. Malysheva (University of Liverpool / Cockcroft Institute) D.P. Barber (DESY / Cockcroft Institute) G.A. Moortgat-Pick (IPPP, University of Durham / CERN / Cockcroft Institute) A. Birch, J.A. Clarke, O.B. Malyshev, D.J. Scott (CCLRC ASTeC Daresbury Laboratory / Cockcroft Institute) E. Baynham, T. Bradshaw, A. Brummit, S. Carr, Y. Ivanyushenkov, J. Rochford (CCLRC Rutherford Appleton Laboratory) P. Cooke (University of Liverpool) Helical Collaboration Leo Jenner University of Liverpool / Cockcroft Institute
Stores Building / Magnet Lab pre-build

Stores Building / Magnet Lab pre-build

Thu 1 Nov 07
Target Wheel Prototype Progress

Target Wheel Prototype Progress

Zeuthen meeting – Apr 7-9 Leo Jenner & Ian Bailey Cockcroft Institute @ Daresbury Laboratory

Positron Capture Simulations: Runge-Kutta vs Boris Leo Jenner, Daresbury Labs
Data simulation for ILC VXD layer 1 Aim to: Understand physics requirements and challenges. Simulate expected data for layer 1 in terms of hit rate/density, approximate cluster shape, and localised hit densities. Feed back information for the design of readout electronics: Best clustering algorithms. Expected total data rates. Need for memory buffers/ demands on multiplexing etc. Investigate potential problems. Need: Understanding of detector geometry. Simulation of physics events and backgrounds.

Data simulation for ILC VXD layer 1 Aim to: Understand physics requirements and challenges. Simulate expected data for layer 1 in terms of hit rate/density, approximate cluster shape, and localised hit densities. Feed back information for the design of readout electronics: Best clustering algorithms. Expected total data rates. Need for memory buffers/ demands on multiplexing etc. Investigate potential problems. Need: Understanding of detector geometry. Simulation of physics events and backgrounds.
Physics at the TeV Scale

Physics at the TeV Scale

Phil Allport University of Liverpool

Particle Physics Detector Research and Development at Liverpool Semiconductor detectors are based on segmented diodes which collect charges produced by ionising radiation The position resolution comes primarily from the granularity which exploits standard microchip processing technology Large Area NASA’s Gamma-ray Large Area Space Telescope Tracker uses 80m2 of silicon strip detectors. Micron Semiconductor (UK) Ltd have fabricated 50 prototype 9cm  9cm single chip detectors for GLAST using masks designed and purchased by Liverpool For areas > 103 m2, need to explore cheaper substrates. Liverpool is looking at the possibility of using diode strips fabricated on conjugated polymer material. At the LHC, with a billion high energy (14 TeV) proton collisions per second, radiation levels can easily run to  10 MRad. Better modelling of signal generation in radiation damaged silicon by Liverpool has shown that designs collecting electrons give better charge collection for a given operating voltage than those collecting holes. Prototypes provided by Micron Semiconductor Ltd. Signal vs voltage for p-type and n-type sensors irradiated to 10 MRad. p-type detectors collect electrons, unlike the other detectors, so can operate efficiently at lower voltages. High Radiation Tolerance High Granularity CCD-based Linear Collider Vertex Detector Detectors for the future linear collider will need to measure to a precision of  5m in both dimensions and be less than 50m ...
ATF, ATF2 and a Beam Diagnostics Section for the ILC Cockcroft/ASTeC Workshop ILC/LHC Session

ATF, ATF2 and a Beam Diagnostics Section for the ILC Cockcroft/ASTeC Workshop ILC/LHC Session

Jan 12-13 Leo Jenner

Layer 1 Occupancy Studies

Layer 1 Occupancy Studies

The role of the damping rings in a linear collider is to improve the quality and stability of the high intensity beams from the sources, so that collisions at the interaction point result in high luminosity. For the ILC, the beams need to be smaller and more stable than any achieved in accelerators constructed and operated so far. In the present configuration, the damping rings consist of a pair of synchrotron storage rings of circumference about 6.5 km, beam energy 5 GeV, and operating with 400 mA of beam current in 3000 bunches. The beam is stored for 200 ms between machine pulses, during which time the beam size must be reduced by three orders of magnitude. Improving beam quality Beam sizes in the damping rings are reduced using the effects of synchrotron radiation. As relativistic particles move through magnets in an accelerator (far right), they emit radiation that acts like a frictional force on the oscillations of the particles around the ideal trajectory. In the damping rings, synchrotron radiation, and hence the damping rates, are enhanced using superconducting “wigglers” (right) that generate very strong magnetic fields. Getting the beam in and out Bunches are injected and extracted from the ring individually, using fields between electrodes (far left) driven by ultra-fast, high power “pulsers” (left). These pulsers must switch voltages of around 10 kV on and off in a few nanoseconds. Dynamical effects can limit the size of the beam that can be injected wi...
CLAIM : A Computational Language for Autonomous, Intelligent and Mobile agents Amal EL FALLAH-SEGHROUCHNI Alexandru SUNA

CLAIM : A Computational Language for Autonomous, Intelligent and Mobile agents Amal EL FALLAH-SEGHROUCHNI Alexandru SUNA

University of Paris 6 University of Paris 9

comp519: Web Programming Fall 2005 Emerging technologies Dynamic HTML DOM1, attributes & methods event handling, visibility, drag&drop XML XML & CSS, XSL, DTD ActiveX
COMP305. Part II. Genetic Algorithms.

COMP305. Part II. Genetic Algorithms.
Lecture 14 Sort Quicksort Shortest Paths COMP 201 Formal Specification using ASML. (Examples)

Lecture 14 Sort Quicksort Shortest Paths COMP 201 Formal Specification using ASML. (Examples)
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