Accelerator facilities

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KEK PS
Sep 24, 2004
Cockroft-Walton preaccelerator for the KEK 12GeV Proton Synchrotron complex.
by KEK
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KEK PS
1978
Vacuum chamber for the septum magnet of the KEK 12GeV Proton Synchrotron main ring injection.
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KEK PS
Main ring of the KEK 12GeV Proton Synchrotron complex. mid-res image : hi-res image
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KEK PS
1985 KEK TRISTAN Accumulation Ring. Cylinder chamber is a test module of the five cell RF cavities.
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KEK PS
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KEK PS
Proton booster ring for the KEK 12GeV Proton Synchrotron complex.
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KEK PS
Proton linear accerelator for the KEK 12GeV Proton Synchrotron complex.
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KEK PS
Cockroft-Walton preaccelerator for the KEK 12GeV Proton Synchrotron complex.
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J-PARC
Dec, 2008
Decay Volume of T2K.
by J-PARC Center
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Linac
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KEKB
Sep. 30, 2009
ARES cavity energy-storage parts (right), HER(center), and LER(left) at the Oho section.
by KEK (Y. Ohsawa)
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KEKB
Sep 20, 2007
Positron beam transport line join LER at the Fuji section.
by KEK
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KEKB
Sep 20, 2007
ARES cavity energy-storage parts (left), HER(center), and LER(right) with wiggler magnets at the Oho section
. by KEK
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KEKB
Sep 20, 2007
Wigglar magnets at the Oho section
by KEK
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KEKB
Sep 20, 2007
Bending Magnet for LER
by KEK
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KEKB
Sep 20, 2007
Tthe Oho side of the Belle. Positrons are sent into, and electrons come out from the Belle.
by KEK
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KEKB
Sep 20, 2007
The Nikko side of the Belle. Electorns are sent into, and positrons come out from the Belle.
by KEK
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KEKB
Sep 20, 2007
Crab Cabity
by KEK
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KEKB
Sep 20, 2007
Superconducting cavities at the Nikko section
by KEK
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KEKB
Sep 20, 2007
Bending magnet for HER
by KEK
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KEKBSep 20, 2007
ARES cavities
by KEK
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KEKB
Sep 20, 2007
Quadrupole magnet for LER
by KEK
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KEKB
Sep 20, 2007
KEKB accelerator has thousands of magnets to controll electorn and positron beam
by KEK
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KEKB
t by Tokio Ohska
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KEKB
Jan 1999
The FUJI straight section RF system, ARES for LER (left) and HER (right)
by Tokio Ohska
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KEKB
Jul 3, 2002
KEKB vacuum chamber
Solenoid winding over LER vacuum chamber for electron cloud instability
by Tokio Ohska
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KEKB
Jul 3, 2002
Sextupole magnet for LER and solenoid winding for electron cloud instability
by Tokio Ohska
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J-PARC
Nov 15, 2005
About 70 people from KEK and companies gathered to the J-PARC 50 GeV proton accelerator tunnel to celebrate the installation of the first magnet. J-PARC will produce the world highest intensity proton beam for various kinds of experiments such as neutrino oscillation (T2K), fixed target K meson experiments and spallation neutron source.
by KEK
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J-PARC
Nov 15, 2005
About 70 people from KEK and companies gathered to the J-PARC 50 GeV proton accelerator tunnel to celebrate the installation of the first magnet. J-PARC will produce the world highest intensity proton beam for various kinds of experiments such as neutrino oscillation (T2K), fixed target K meson experiments and spallation neutron source.
by KEK
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J-PARC
Nov 15, 2005
The first magnet of the J-PARC 50 GeV proton accelerator ring was bolted down by Prof. Akira Masaike during the ceremony of the magnet installation.
by KEK
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J-PARC
Nov 15, 2005
The first magnet of the J-PARC 50 GeV proton accelerator ring was bolted down by J-PARC project director Shoji Nagamiya during the ceremony of the magnet installation.
by KEK
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J-PARC
Nov 15, 2005
The first magnet of the J-PARC 50 GeV proton accelerator ring was bolted down by KEK DG Yoji Totsuka during the ceremony of the magnet installation.
by KEK
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J-PARC
Oct 26, 2005
Following the successful loading, the magnet was carried on an air-pallet (special cart), and moved into position. The construction of the 50 GeV ring is the responsibility of KEK.
by KEK
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J-PARC
Oct 26, 2005
Lowering the magnet 10 meters down to the 50 GeV ring area was a delicate operation. Using an overhead crane, it had to be kept horizontal to ensure that the load remained balanced.
by KEK
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J-PARC
Oct 26, 2005
On October 26, 2005, first bending magnet was transported to and installed in the J-PARC 50 GeV synchrotron area. A trailer truck delivered the magnet, which weighs around 35 tons, to the site.
by KEK
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J-PARC
20 Dec, 2008
Hadron Experimental Hall.
by J-PARC Center
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ATF
Oct 18, 1999
The ATF linear accelerator seen from downstream. After the electron beam is accelerated to 1.3 GeV, it is transported to the damping Ring through bending magnets. At the right side of this picture, you can see an apparatus for the experiment on positron production.
by Tokio Ohska
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ATF
by T. Omori
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ATF
Sep 7, 1999
One half of the ATF linear accelerator seen from upstream. The X-band (11.4 GHz) RF Power Wave-Guide is installed on the S-band accelerating structure.
by Tokio Ohska
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ATF
by T. Omor
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ATF
Sep 7, 1999
Accelerator Test Facility (ATF) is the forefront of the low-emittance and high intensity beam steering technology. These technologies are the essential part of the future linear collider experiment. Seen in the photo is the northwest part of the ATF Damping Ring, with the arc section of the ring and the beam extraction line in the background.
by Tokio Ohska