The belle detector

…, Y Yamada, H Yamaguchi, H Yamaoka… - Nuclear Instruments and …, 2002 - Elsevier
The Belle detector was designed and constructed to carry out quantitative studies of rare B-
meson decay modes with very small branching fractions using an asymmetric e+ e− collider …

Cryogenic properties of polymers

O Yano, H Yamaoka - Progress in Polymer Science, 1995 - Elsevier
The cryogenic properties of polymers are recently drawing attention with new developments
in space, superconducting magnet and electronic technologies. Requirements for polymeric …

[HTML][HTML] The surface detector array of the Telescope Array experiment

…, T Wong, M Wood, Y Yamakawa, H Yamaoka… - Nuclear Instruments and …, 2012 - Elsevier
The Telescope Array (TA) experiment, located in the western desert of Utah, USA, is
designed for the observation of extensive air showers from extremely high energy cosmic …

Indications of intermediate-scale anisotropy of cosmic rays with energy greater than 57 EeV in the northern sky measured with the surface detector of the Telescope …

…, T Wong, R Yamane, H Yamaoka… - The Astrophysical …, 2014 - iopscience.iop.org
We have searched for intermediate-scale anisotropy in the arrival directions of ultrahigh-
energy cosmic rays with energies above 57 EeV in the northern sky using data collected …

A giant outburst two years before the core-collapse of a massive star

…, S Mattila, JJ Eldridge, D Young, K Itagaki, H Yamaoka… - Nature, 2007 - nature.com
The death of massive stars produces a variety of supernovae, which are linked to the
structure of the exploding stars,. The detection of several precursor stars of type II …

The cosmic-ray energy spectrum observed with the surface detector of the telescope array experiment

…, Y Yamakawa, R Yamane, H Yamaoka… - The Astrophysical …, 2013 - iopscience.iop.org
ABSTRACT The Telescope Array (TA) collaboration has measured the energy spectrum of
ultra-high energy cosmic rays (UHECRs) with primary energies above 1.6× 10 18 eV. This …

The type Ic hypernova SN 2002ap

…, K Ayani, T Kawabata, H Yamaoka… - The Astrophysical …, 2002 - iopscience.iop.org
Photometric and spectroscopic data of the energetic Type Ic supernova (SN) 2002ap are
presented, and the properties of the SN are investigated through models of its spectral …

Evolution of 3-9 M☉ Stars for Z= 0.001-0.03 and Metallicity Effects on Type Ia Supernovae

H Umeda, K Nomoto, H Yamaoka… - The Astrophysical …, 1999 - iopscience.iop.org
Recent observations have revealed that Type Ia supernovae (SNe Ia) are not perfect
standard candles; they show variations in their absolute magnitudes, light-curve shapes …

New air fluorescence detectors employed in the Telescope Array experiment

…, T Wong, M Wood, Y Yamakawa, H Yamaoka… - Nuclear Instruments and …, 2012 - Elsevier
Since 2007, the Telescope Array (TA) experiment, based in Utah, USA, has been observing
ultra high energy cosmic rays to understand their origins. The experiment includes a surface …

A general process for in situ formation of functional surface layers on ceramics

T Ishikawa, H Yamaoka, Y Harada, T Fujii, T Nagasawa - Nature, 2002 - nature.com
Ceramics are often prepared with surface layers of different composition from the bulk,, in
order to impart a specific functionality to the surface or to act as a protective layer for the bulk …