From DESY: Record wavelength at FLASH – First lasing below 4.5 nanometres at DESY's free-electron laser
A recent record at DESY's FLASH accelerator is a direct result of the TESLA Technology Collaboration – a new cryomodule built at Fermilab brings the energy of the electron beam right up and the size of the laser beam right down.
The spectrum of the record laser pulse peaks at a wavelength of 4.45 nanometres. |
For the first time, FLASH produced laser light with a wavelength of 4.45 nanometres; thus, DESY's free-electron laser for soft X-ray light considerably beat its previous record of 6.5 nanometres. At the same time, the peak intensity of single light pulses nearly doubled, with 0.3 millijoule. Prior to this, there was a five-month machine upgrade, above all with a significant improvement of the superconducting linear accelerator and the installation of a seeding experiment together with the University of Hamburg.
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| Upcoming meetings, conferences, workshops
TeV Particle Astrophysics 2010
Paris, France
19 July - 23 July 2010
35th International Conference on High Energy Physics (ICHEP2010)
Palais des Congrès, Paris, France
21 July - 28 July 2010
First Baseline Assessment Workshop
KEK, Tsukuba, Japan
7-10 September 2010
XXV Linear Accelerator Conference (LINAC10)
Tsukuba, Japan
12 - 17 September 2010
Upcoming school
Fifth CERN-Fermilab Hadron Collider Physics Summer School
Fermilab, Batavia, IL, USA
16-27 August 2010
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GDE Meetings calendar
View complete ILC calendar
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Jie Gao: new chair of the Asian Linear Collider Steering Committee
Former and new ALCSC chair meet at IPAC'10, Shin-ichi Kurokawa (left) and Jie Gao (right). Image: Nobuko Kobayashi. |
Jie Gao, professor at the Institute of High Energy Physics (IHEP) in Beijing, China, has been appointed by the Asian Committee for Future Accelerators (ACFA) to be the new chair of the Asian Linear Collider Steering Committee (ALCSC) for a term of three years. The appointment occurred during the First International Particle Accelerator Conference, IPAC'10. “I feel that it is a great honour for me to serve as the new chairman of ALCSC, and at the same time I feel a great responsibility to fulfil this role of promoting and coordinating ILC activities in Asia with good accordance and communication with other regions,” said Gao.
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-- Min Zhang |
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From {sciences2}, blog of Libération
23 June 2010
Physique des particules : le Cern s'élargit
"Le principal enjeu de ce grand jeu mondial est le site de la prochaine machine mondiale, post LHC.(...) La technologie de ce collisionneur linéaire est elle aussi en discussion, entre un système dit ILC avec des cavités supraconductrices et CLIC un projet plus futuriste et plus puissant."
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From Science Magazine
22 June 2010
In Race to Build New Particle Smasher, Japan Gets $100 Million Head Start Over Italy
"To be spent over the next 3 years, the money granted by the Japanese government will cover only a fraction of the $350 million needed to complete the Super KEKB upgrade."
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From BBC News
22 June 2010
Neutrino 'ghost particle' sized up by astronomers
"Using data from the largest ever survey of galaxies, researchers put the mass of a neutrino at no greater than 0.28 electron volts."
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From TRIUMF
22 June 2010
British Columbia Invests in Next-Generation Accelerator Technology
"...construction of a new research facility to produce and study isotopes for physics and medicine. The heart of the facility is a high-power electron linear accelerator utilizing superconducting radiofrequency (SRF) technology."
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From CERN
18 June 2010
CERN Council opens the door to greater integration
"Council also opened the door to greater integration in particle physics when it unanimously adopted the recommendations of a working group set up in 2008 to examine the role of the Organization in the light of increasing globalization in particle physics."
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From CNRS and CEA
17 June 2010
HESS-II : A new camera for exploring the violent universe
"This camera is a real eagle's eye and the key component of the fifth telescope. It represents France's main contribution, with IN2P3/CNRS as project manager."
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Flexibility in the ILC design
Today's issue features a Director's Corner by Ewan Paterson, member of the Global Design Effort Executive Committee.
Schematics of the ILC with the Reference Design Report layout on the left and one "SB2009" version, which is under study, on the right. |
In a new large accelerator complex which will take years to get approved and constructed, one must maintain some degree of flexibility in its design as many things can change before a construction start. The accelerator physics and technology that constrains the performance will advance and the knowledge of the physics which determines its future physics programmes will be better known and continually evolving. At the same time a complete baseline design and associated cost estimate is needed to support the many technical and cost reviews that will be required to obtain the necessary global support and funding.
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-- Ewan Paterson
Director's Corner Archive |
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ILC Internal Document
2010-045
ILC Global Design Effort – Project Managers' Report – May 2010
arXiv preprints
1006.3991
KEK GRID for ILC Experiments
1006.3744
ISIS2: Pixel Sensor with Local Charge Storage for ILC Vertex Detector
1006.3712
AHCAL Energy Resolution
1006.3674
Progress towards a Technological Prototype for a Semi-Digital Hadron Calorimeter based on Glass RPCs
1006.3662
Monte Carlo Studies of the CALICE AHCAL Tiles Gaps and Non-uniformities
1006.3626
Shintake Monitor in ATF2 : Present Status
1006.3623
Status of Simulation Tools for the ILD ScECAL
1006.3551
Using Single Photons for WIMP Searches at the ILC
1006.3503
The SiD Detector Concept
1006.3434
Analysis of Little Higgs Model with T-parity at ILC
1006.3427
Measurement of Higgs Anomalous Coupling with H → WW* at International Linear Collider
1006.3421
Simulation Study of FPCCD Vertex Detector
1006.3402
Studies on the Electron Reconstruction Efficiency for the Beam Calorimeter of an ILC Detector
1006.3396
The International Large Detector: Letter of Intent
1006.3263
Photon detection efficiency of Geiger-mode avalanche photodiodes
1006.3220
A Lightweight Field Cage for a Large TPC Prototype for the ILC
1006.3081
Numerical relativity for D dimensional space-times: head-on collisions of black holes and gravitational wave extraction
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