Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)
Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...
A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...
Abe, K., Fuke, H., Haino, S., Hams, T., Itazaki, A., Kim, K. C., ...
The BESS-Polar spectrometer had its first successful balloon flight over Antarctica in December 2004. During the 8.5-day long-duration flight, almost 0.9 billion events were recorded and 1,520...
Shikaze, Y., Haino, S., Abe, K., Fuke, H., Hams, T., Kim, K. C., ...
We measured low energy cosmic-ray proton and helium spectra in the kinetic energy range 0.215 - 21.5 GeV/n at different solar activities during a period from 1997 to 2002. The observations were...
Measurements of Atmospheric Antiprotons (2005)
Yamato, K., Abe, K., Fuke, H., Haino, S., Makida, Y., Matsuda, S., ...
We measured atmospheric antiproton spectra in the energy range 0.2 to 3.4 GeV, at sea level and at balloon altitude in the atmospheric depth range 4.5 to 26 g/cm^2. The observed energy spectra,...
Search for Cosmic-Ray Antideuterons (2005)
Fuke, H., Maeno, T., Abe, K., Haino, S., Makida, Y., Matsuda, S., ...
We performed a search for cosmic-ray antideuterons using data collected during four BESS balloon flights from 1997 to 2000. No candidate was found. We derived, for the first time, an upper limit of...
Final Testing of the ATLAS Central Solenoid before Installation (2004)
Haug, F, Doi, Y, Haruyama, T, Kawai, M, Kondo, T, Kondo, Y, ...
The central solenoid is part of the superconducting magnet system of the ATLAS experiment at the CERN LHC collider. It provides a 2 tesla axial magnetic field for the inner 24 m3 volume centre...
Measurements of Primary and Atmospheric Cosmic-Ray Spectra with the BESS-TeV Spectrometer (2004)
Haino, S., Sanuki, T., Abe, K., Anraku, K., Asaoka, Y., Fuke, H., ...
Primary and atmospheric cosmic-ray spectra were precisely measured with the BESS-TeV spectrometer. The spectrometer was upgraded from BESS-98 to achieve seven times higher resolution in momentum...
Measurement of Cosmic-Ray Proton and Antiproton Spectra at Mountain Altitude (2003)
Sanuki, T., Fujikawa, M., Matsunaga, H., Abe, K., Anraku, K., Fuke, H., ...
Cosmic-ray proton and antiproton spectra were measured at mountain altitude, 2770 m above sea level. We observed more than 2 x 10^5 protons and 10^2 antiprotons in a kinetic energy range between 0.25...
Measurement of Cosmic-Ray Proton, Antiproton and Muon Spectra at Mountain Altitude (2003)
Sanuki, T., Fujikawa, M., Abe, K., Anraku, K., Fuke, H., Haino, S., ...
Measurement of cosmic-ray proton, antiproton and muon spectra was carried out at mountain altitude. We observed 2 x 10^5 protons and 10^2 antiprotons in a kinetic energy region of 0.25 -- 3.3 GeV....
Abe, K., Sanuki, T., Anraku, K., Asaoka, Y., Fuke, H., Haino, S., ...
The cosmic-ray proton, helium, and muon spectra at small atmospheric depths of 4.5 -- 28 g/cm^2 were precisely measured during the slow descending period of the BESS-2001 balloon flight. The...
Measurements of atmospheric muon spectra at mountain altitude (2002)
Sanuki, T., Fujikawa, M., Abe, K., Anraku, K., Asaoka, Y., Fuke, H., ...
We report new measurements of the atmospheric muons at mountain altitude. The measurement was carried out with the BESS detector at the top of Mt. Norikura, Japan. The altitude is 2,770 m above sea...
Precise Measurements of Atmospheric Muon Fluxes with the BESS Spectrometer (2002)
Motoki, M., Sanuki, T., Orito, S., Abe, K., Anraku, K., Asaoka, Y., ...
The vertical absolute fluxes of atmospheric muons and muon charge ratio have been measured precisely at different geomagnetic locations by using the BESS spectrometer. The observations had been...
Fabrication and Mechanical Performance of the ATLAS Central Solenoid (2002)
Mitzumaki, S., Makida, Y., Kobayashi, T., Yamaoka, H., Kondo, Y., Kawai, M., ...
Quench Protection and Safety of the ATLAS Central Solenoid (2002)
Makida, Y., Doi, Y., Haruyama, T., Kawai, M., Kobayashi, T., ...
Asaoka, Y., Shikaze, Y., Abe, K., Anraku, K., Fujikawa, M., Fuke, H., ...
The energy spectra of cosmic-ray low-energy antiprotons and protons have been measured by BESS in 1999 and 2000, during a period covering the solar magnetic field reversal. Based on these...
Measurement of low-energy antiproton detection efficiency in BESS below 1 GeV (2001)
Asaoka, Y., Yoshimura, K., Yoshida, T., Abe, K., Anraku, K., Fujikawa, M., ...
An accelerator experiment was performed using a low-energy antiproton beam to measure antiproton detection efficiency of BESS, a balloon-borne spectrometer with a superconducting solenoid. Measured...
The Chimney and superconducting buslines for the ATLAS central solenoid (2001)
Makida, Y., Doi, Y., Yamamoto, A., Kondo, Y., Haruyama, T., Kondo, T., ...
Precise Measurement of Cosmic-Ray Proton and Helium Spectra with the BESS Spectrometer (2000)
Sanuki, T., Motoki, M., Matsumoto, H., Seo, E. S., Wang, J. Z., Abe, K., ...
We report cosmic-ray proton and helium spectra in energy ranges of 1 to 120 GeV and 1 to 54 GeV/nucleon, respectively, measured by a balloon flight of the BESS spectrometer in 1998. The...
Design and development of the ATLAS central solenoid magnet (1999)
Yamamoto, A, Kondo, T, Doi, Y, Makida, Y, Tanaka, K, Haruyama, T, ...
The ATLAS central solenoid magnet is being constructed to provide a magnetic field of 2 T in the central tracking part of the ATLAS detector. As a key technology for a solenoid coil as thin as...
Precision Measurement of Cosmic-Ray Antiproton Spectrum (1999)
Orito, S., Maeno, T., Matsunaga, H., Abe, K., Anraku, K., Asaoka, Y., ...
The energy spectrum of cosmic-ray antiprotons has been measured in the range 0.18 to 3.56 GeV, based on 458 antiprotons collected by BESS in recent solar-minimum period. We have detected for the...
Development and Test Results of a low-$\beta$ Quadrupole Model for the Large Hadron Collider (1999)
Ajima, Y, Burkhardt, E E, Doi, Y, Haruyama, T, Higashi, N, Iida, M, ...
A 1-m model of the high gradient 70 mm aperture superconducting low-b quadrupoles for the Large Hadron Collider (LHC) has been developed. A field gradient of 250 T/m at 1.9 K has been achieved with a...
Development and Test Results of a low-$\beta$ Quadrupole Model for the Large Hadron Collider (1999)
Ajima, Y, Burkhardt, E E, Doi, Y, Haruyama, T, Higashi, N, Iida, M, ...
A 1-m model of the high gradient 70 mm aperture superconducting low-b quadrupoles for the Large Hadron Collider (LHC) has been developed. A field gradient of 250 T/m at 1.9 K has been achieved with a...
Progress in search for cosmic-ray anti-particles by BESS spectrometer (1998)
Yamamoto, A, Orito, S, Ormes, J F, Yoshida, T, Yoshimura, K, Abe, K, ...
Measurement of Low-Energy Cosmic-Ray Antiprotons at Solar Minimum (1998)
Matsunaga, H., Orito, S., Matsumoto, H., Yoshimura, K., Moiseev, A., Anraku, K., ...
The absolute fluxes of the cosmic-ray antiprotons at solar minimum are measured in the energy range 0.18 to 1.4 GeV, based on 43 events unambiguously detected in BESS '95 data. The resultant energy...
A New Limit on the Flux of Cosmic Antihelium (1997)
Saeki, T, Anraku, K, Orito, S, Ormes, J F, Imori, M, Kimbell, B L, ...
A very sensitive search for cosmic-ray antihelium was performed using data obtained from three scientific flights of BESS magnetic rigidity spectrometer. We have not observed any antihelium; this...
A New Limit on the Flux of Cosmic Antihelium (1997)
Saeki, T., Anraku, K., Orito, S., Ormes, J., Imori, M., Kimbell, B., ...
A very sensitive search for cosmic-ray antihelium was performed using data obtained from three scientific flights of BESS magnetic rigidity spectrometer. We have not observed any antihelium; this...
Search for antihelium of cosmic origin (1996)
Anraku, K, Golden, R L, Imori, M, Inaba, S, Kimbell, B L, Kimura, N, ...
Ten years operational experience of the TRISTAN detector solenoid magnets (1996)
Haruyama, T, Doi, Y, Makida, Y, Aoki, K, Kobayashi, T, Kondo, Y, ...
A thin superconducting solenoid magnet for the WASA detector (1996)
Yamaoka, H, Yamamoto, A, Makida, Y, Kimura, N, Tanaka, K, Hirabayashi, H, ...
Studies on stabilities of superconducting Rutherford cables (1996)
Kim, S W, Kimura, N, Makida, Y, Shintomi, T, Mito, T, Iwamoto, A, ...
Test results of a single aperture 10 tesla dipole model magnet for the Large Hadron Collider (1995)
Yamamoto, A, Shintomi, T, Kimura, N, Doi, Y, Haruyama, T, Higashi, N, ...
Development of a prototype thin superconducting solenoid magnet for the SDC detector (1995)
Yamamoto, A, Araoka, O, Doi, Y, Haruyama, T, Kasami, K, Kimura, N, ...
Observation of cosmic-ray antiprotons at energies below 500 MeV (1995)
Yoshimura, K, Orito, S, Ueda, I, Anraku, K, Golden, R L, Imori, M, ...
The superconducting kaon spectrometer: SKS (1994)
Fukuda, T, Hasegawa, T, Hashimoto, O, Higashi, A, Homma, S, Kitami, T, ...