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Author archive: Rika Takahashi

Checkout of ATF starts with test beam

| 2 June 2011 On 26 May, a first test beam steered through the linac of the Accelerator Test Facility at KEK, Japan, with the same energy as before the March 2011 earthquake. Engineers are now working on the magnet alignment at the beam transportation line. Category: Around the World | Tagged: , , ,

Shin-ichi Kurokawa awarded Rolf Widerøe Prize

| 26 May 2011 Shin-ichi Kurokawa is a mover and shaker in the world of accelerator physics, both excelling in science and effectively bringing the community together to form strong, productive relationships. The European Physical Society has recognized Kurokawa's accomplishments, awarding him the Rolf Widerøe Prize. Category: Feature | Tagged: , , ,

KEK continues to work for the ILC

| 7 April 2011 Atsuto Suzuki, director general of KEK in Tsukuba, Japan, states that despite the devastating earthquake and tsunami that hit Japan on 11 March, no changes have been made to KEK’s ILC-related plans. Category: Feature | Tagged: , , ,

KEK earthquake report

| 17 March 2011 As many people in the world already know, Japan is currently dealing with its worst disaster: Japan's biggest earthquake on record and the fourth largest in history. Thousands of lives have been lost. Tens of thousands people are forced to evacuate and live without basic necessities. Hundreds of thousands are still missing. Category: Feature | Tagged: , ,

Many small klystrons for operability and flexibility

| 10 February 2011 Scientists at KEK in Japan are currently developing a 'distributed radiofrequency system' for delivering radiofrequency power to the ILC accelerating cavities. An alternative solution to the 'klystron cluster scheme', this powering method accommodates the ILC’s new one-tunnel design. Category: Around the World | Tagged: , , , , , ,

Is accelerator research useful?

| 27 January 2011 There is a question almost always asked when talking about science - “OK, this is interesting. But is it useful for something?” Not too many scientists working on basic science are good at answering this question. “Dr. Masatoshi Koshiba sometimes says that the neutrino, his main research subject, is not useful at all. Well, a Nobel laureate could say that, but not us. I try to talk more about useful accelerators these days,” said Atsuto Suzuki, the Director General of KEK, at a symposium held in Kyoto, Japan, in November, which was organised by the Advanced Accelerator Association promoting science and technology (AAA). Category: Around the World | Tagged: , ,

From KEK: Japanese 9-cell SCRF cavity meets ILC specification

| 9 December 2010 Designing and fabricating an optimal accelerating cavity is not so simple. There are two important parameters scientists are looking for: the gradient of 35 megavolts per meter (MV/m) and the quality factor (Q0) of greater than 0.8×10^10. A Japanese cavity now fulfilled those requirements for the first time at a test which took place at the Superconducting radiofrequency Test Facility (STF) at KEK, adding momentum towards future mass production. Category: Feature | Tagged: , , , , , ,

The future city of the ILC

| 24 November 2010 What will happen when the ILC is built? One hopes discoveries will change the way we see the universe. It will answer the questions about what the universe is made of. And maybe it will help generate new Nobel Prize winners... Category: Feature | Tagged: ,

“Set it and forget it!”

and | 28 October 2010 Fermilab and KEK scientists recently hooked up a new cavity tuning system to the various cavities in the so-called cavity-tuner zoo at KEK. This zoo, comprising eight superconducting radiofrequency cavities fabricated by four different vendors from three different regions, was the testing ground for a new development in what is called Lorentz force detuning (LFD) compensation. Category: Around the World | Tagged: , , ,

Working through the weekend at the ATF

| 30 September 2010 On 27 September, the Japan's local winners of the first Global Particle Photo Walk were announced. This Photowalk was held at five particle physics laboratories in the world on 7 August (see Feature Story this week). The winning photo taken by Yuki Hayashi features scientists working at the Accelerator Test Facility (ATF) at KEK. But they are not Japanese scientists. They are three of the nine French scientists and engineers who were visiting the ATF from the end of July to install and test their four-mirror optical cavity. Category: Feature | Tagged: , , ,
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