K. Nishijima

Publication List Details

Period

1963 - 2009

Number

59

Co-Authors

Search for VHE gamma rays from SS433/W50 with the CANGAROO-II telescope (2009)

Hayashi, Sei., Kajino, F., Naito, T., Asahara, A., Bicknell, G. V., Clay, R. W., ...

SS433, located at the center of the supernova remnant W50, is a close proximity binary system consisting of a compact star and a normal star. Jets of material are directed outwards from the vicinity...

CANGAROO-III search for TeV Gamma-rays from two clusters of galaxies (2009)

Kiuchi, R., Mori, M., Bicknell, G. V., Clay, R. W., Edwards, P. G., Enomoto, R., ...

Because accretion and merger shocks in clusters of galaxies may accelerate particles to high energies, clusters are candidate sites for the origin of ultra-high-energy (UHE) cosmic-rays. A prediction...

CANGAROO-III Observation of TeV Gamma Rays from the vicinity of PSR B1 706-44 (2009)

Enomoto, R., Kushida, J., Nakamori, T., Kifune, T., Bicknell, G. V., Clay, R. W., ...

Observation by the CANGAROO-III stereoscopic system of the Imaging Cherenkov Telescope has detected extended emission of TeV gamma rays in the vicinity of the pulsar PSR B1706$-$44. The strength of...

Reanalysis of Data Taken by the CANGAROO 3.8 Meter Imaging Atmospheric Cherenkov Telescope: PSR B1706-44, SN 1006, and Vela (2009)

Yoshikoshi, T., Mori, M., Edwards, P. G., Gunji, S., Hara, S., Hara, T., ...

We have reanalyzed data from observations of PSR B1706-44, SN 1006, and the Vela pulsar region made with the CANGAROO 3.8 m imaging atmospheric Cherenkov telescope between 1993 and 1998 in response...

The implications from CANGAROO-III observations of TeV blazar PKS 2155-304 (2009)

K. Nishijima, Y. Sakamoto, J. Kushida

Abstract. We have observed the high-frequency–peaked BL Lacertae object PKS 2155−304 in 2004, 2005 and 2006 with the CANGAROO-III imaging atmospheric Cherenkov telescope, and have detected a...

Distillation of Liquid Xenon to Remove Krypton (2008)

Abe, K., Hosaka, J., Iida, T., Ikeda, M., Kobayashi, K., Koshio, Y., ...

A high performance distillation system to remove krypton from xenon was constructed, and a purity level of Kr/Xe = $\sim 3 \times 10^{-12}$ was achieved. This development is crucial in facilitating...

Solar neutrino measurements in Super-Kamiokande-II (2008)

Cravens, J. P., Abe, K., Iida, T., Ishihara, K., Kameda, J., Koshio, Y., ...

The results of the second phase of the Super-Kamiokande solar neutrino measurement are presented and compared to the first phase. The solar neutrino flux spectrum and time variation as well as...

Noncommutative Quantum Field Theory: A Confrontation of Symmetries (2008)

Chaichian, M., Nishijima, K., Salminen, T., Tureanu, A.

The concept of a noncommutative field is formulated based on the interplay between twisted Poincar\'e symmetry and residual symmetry of the Lorentz group. Various general dynamical results supporting...

Scintillation yield of liquid xenon at room temperature (2008)

Ueshima, K., Abe, K., Iida, T., Ikeda, M., Kobayashi, K., Koshio, Y., ...

The intensity of scintillation light emission from liquid xenon at room temperature was measured. The scintillation light yield at 1 deg. was measured to be 0.64 +/- 0.02 (stat.) +/- 0.06 (sys.) of...

Search for matter-dependent atmospheric neutrino oscillations in Super-Kamiokande (2008)

Abe, K., Hayato, Y., Iida, T., Ikeda, M., Kameda, J., Koshio, Y., ...

We consider ν_μ→ν_τ oscillations in the context of the mass varying neutrino (MaVaN) model, where the neutrino mass can vary depending on the electron density along the flight path of the...

28th International Cosmic Ray Conference 2397 TeV gamma-ray Observations of the Supernova Remnant RCW86 (2008)

S. Watanabe, T. Tanimori, H. Kubo, A. Asahara, G. V. Bicknell, ...

The supernova remnant(SNR) RCW86(G315.4-2.3) has been observed as our third SNR in 2001 and 2002 with the CANGAROO-II 10 m telescope from Woomera, South Australia, to further test the hypothesis that...

TeV Gamma-Ray Observations of Southern Hemisphere BL Lacertae Objects with CANGAROO-II/III Telescope (2008)

T. Nakase, K. Nishijima

Since 1999, several BL Lac objects, such as PKS 2155–304 (z=0.116) and PKS 2005–489 (z=0.072) have been observed with the CANGAROO-II imaging atmospheric Cherenkov telescope. We obtained flux...

OG 2.2.20 1 Search for TeV Gamma Rays from the SNR RXJ1713.7,3946 (2008)

H. Muraishi, T. Tanimori, S. Yanagita, T. Yoshida, T. Kifune, S. A. Dazeley, ...

The shell type SNR RXJ1713.7,3946 is a new SNR discovered by the ROSAT all sky survey. Recently, strong non-thermal X-ray emission from the northwest part of the remnantwas detected by the ASCA...

A Search for TeV Gamma-ray Emission from the PSR B1259−63/SS2883 Binary System with the CANGAROO-II 10-m Telescope (2008)

A. Kawachi, T. Naito, J. R. Patterson, P. G. Edwards, A. Asahara, G. V. Bicknell, ...

Observations of the PSR B1259−63/SS2883 binary system using the CANGAROO-II Cherenkov telescope are reported. This nearby binary consists of a 48 msec radio pulsar in a highly eccentric orbit...

Very high energy gamma-ray observations of the Galactic plane with the CANGAROO-III telescopes (2008)

M. Ohishi, M. Mori, Y. Adachi, A. Asahara, G. V. Bicknell, R. W. Clay, ...

We have searched for very high energy gamma-ray emission from two points (�������������� � and ���������� � ) on

28th International Cosmic Ray Conference 2533 Observation of sub-TeV gamma rays from SS433/W50 with the CANGAROO-II telescope (2008)

Sei Hayashi, F. Kajino, T. Naito, A. Asahara, G. V. Bicknell, R. W. Clay, ...

Observations of the western X-ray lobe region of SS433/W50 system were performed by the CANGAROO-II telescope in August and September, 2001, and July and September, 2002. Total observation times were...

OG 4.3.31 1 Data Acquisition System of the CANGAROO-II Telescope (2008)

M. Mori, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, T. Hara, ...

The data acquisition system for the new CANGAROO-II 7m telescope is described. The CANGAROO-II 7m telescope which has just been completed in Woomera, Australia aims to extend our study of...

OG 4.3.05 An Optical Re ector for the CANGAROO-II Telescope (2008)

Akiko Kawachi, J. Kushida, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, ...

We have been successful in developing light and durable mirrors made of CFRP (Carbon Fiber Reinforced Plastic) laminates for the re ector of the new CANGAROO-II 7 m telescope. The re ector has a...

28th International Cosmic Ray Conference 2409 Observation of sub-TeV gamma-rays from RX J0852.0− 4622 with the CANGAROO-II telescope (2008)

H. Katagiri, R. Enomoto, M. Mori, A. Asahara, G. V. Bicknell, Y. Doi, ...

RX J0852.0−4622 (G266.2−1.2) is a Type-II Supernova Remnant (SNR) located along the line of sight to the Vela SNR. We observed RX J0852.0−4622 with the CANGAROO-II telescope from the middle of...

Performance of the Atmospheric Cherenkov Imaging Camera for the CANGAROO-III Experiment (2008)

G. V. Bicknell, R. W. Clay, Y. Doi, P. G. Edwards, S. Gunji, S. Hara, ...

A Cherenkov imaging camera was developed and installed in the second telescope of the CANGAROO-III project for observing gamma-rays having energies above 10 11 eV. The camera consists of 427 pixels,...

28th International Cosmic Ray Conference 2855 Performance of the reflector of the CANGAROO-III imaging atmospheric Cherenkov telescope (2008)

M. Ohishi, A. Kawachi, M. Mori, A. Asahara, G. V. Bicknell, R. W. Clay, ...

The second 10m-diameter telescope of the CANGAROO-III project was completed in December 2002. The reflector is a tessellated paraboloid which consists of 114 spherical mirror segments with a f/d...

Cangaroo-III search for gamma rays from Kepler's supernova remnant (2008)

Enomoto, R., Higashi, Y., Yoshida, T., Tanimori, T., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

Copyright © 2008. The American Astronomical Society. All rights reserved. Printed in U.S.A.

Cangaroo-III search for gamma rays from Kepler's supernova remnant (2008)

Enomoto, R., Higashi, Y., Yoshida, T., Tanimori, T., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

Copyright © 2008. The American Astronomical Society. All rights reserved. Printed in U.S.A.

The optical reflector system for the CANGAROO-II imaging atmospheric Cherenkov telescope (2007)

Kawachi Hayami Jimbo, Cherenkov Telescope, A. Kawachi, Y. Hayami, J. Jimbo, S. Kamei, ...

A new imaging atmospheric Cherenkov telescope with a light-weight reflector has been constructed. Light, robust, and durable mirror facets of containing CFRP (Carbon Fiber Reinforced Plastic)...

Gauge-Dependence of Green's Functions in QCD and QED (2007)

Nishijima, K., Tureanu, A.

When all Green's functions are known in a given gauge we may raise a question of whether it is possible or not to derive the corresponding ones in a different gauge. The answer is negative in QCD but...

Vascular endothelial growth factor-A is a survival factor for retinal neurons and a critical neuroprotectant during the adaptive response to ischemic injury (2007)

Nishijima, K., Zhong, L., Bradley, J., Schubert, W., Jo, N., ...

Vascular endothelial growth factor-A (VEGF-A) has recently been recognized as an important neuroprotectant in the central nervous system. Given its position as an anti-angiogenic target in the...

Cangaroo III search for gamma rays from Centaurus A and the ω Centauri region (2007)

Kabuki, S., Enomoto, R., Bicknell, Geoffrey Vincent, Clay, Roger William, Edwards, Philip G., Gunji, S., ...

We have observed the giant radio galaxy Centaurus A and the globular cluster ω Centauri in the TeV energy region using the CANGAROO III stereoscopic system. The system has been in operation since...

An Interpretation of Noncommutative Field Theory in Terms of a Quantum Shift (2005)

Chaichian, M., Nishijima, K., Tureanu, A.

Noncommutative coordinates are decomposed into a sum of geometrical ones and a universal quantum shift operator. With the help of this operator, the mapping of a commutative field theory into a...

Limits on the neutrino magnetic moment using 1496 days of Super-Kamiokande-I solar neutrino data (2004)

Ashie, Y, Fukuda, S, Fukuda, Y, Ishihara, K, Itow, Y, ...

A search for a nonzero neutrino magnetic moment has been conducted using 1496 live days of solar neutrino data from Super-Kamiokande-I. Specifically, we searched for distortions to the energy...

Status of CANGAROO-III (2004)

Asahara, A., Bicknell, G. V., Clay, Roger William, Doi, Y., Edwards, P. G., Enomoto, R., ...

The CANGAROO-III project started stereoscopic observations of sub-TeV gamma-rays from Dec., 2002, nearWoomera, South Australia. Here, we report on the present status of the project. Details of...

Search for nu(e) from the sun at Super-Kamiokande-I (2003)

Fukuda, S, Fukuda, Y, Ishitsuka, M, Itow, Y, Kajita, T, ...

We present the results of a search for low energy nu(e) from the Sun using 1496 days of data from Super-Kamiokande-I. We observe no significant excess of events and set an upper limit for the...

Search for supernova relic neutrinos at Super-Kamiokande (2003)

Morii, M, Fukuda, S, Fukuda, Y, Ishitsuka, M, Itow, Y, ...

A search for the relic neutrinos from all past core-collapse supernovae was conducted using 1496 days of data from the Super-Kamiokande detector. This analysis looked for electron-type antineutrinos...

Evidence of TeV gamma-ray emission from the nearby starburst galaxy NGC 253 (2003)

Itoh, C., Enomoto, R., Yanagita, S., Yoshida, T., Tanimori, T., Okumura, K., ...

Copyright © 2003. The European Southern Observatory. All rights reserved. Printed in U.S.A. Submitted to Cornell University’s online archive www.arXiv.org in 2003 by Ryoji Enomoto. Post-print...

Evidence of TeV gamma-ray emission from the nearby starburst galaxy NGC 253 (2003)

Itoh, C., Enomoto, R., Yanagita, S., Yoshida, T., Tanimori, T., Okumura, K., ...

Copyright © 2003. The European Southern Observatory. All rights reserved. Printed in U.S.A. Submitted to Cornell University’s online archive www.arXiv.org in 2003 by Ryoji Enomoto. Post-print...

TeV gamma-ray Observations of the Supernova Remnant RCW86 with the CANGAROO-II telescope. (2003)

Watanabe, S., Tanimori, T., Kubo, H., Asahara, A., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

The supernova remnant(SNR) RCW86(G315.4-2.3) has been observed as our third SNR in 2001 and 2002 with the CANGAROO-II 10m telescope from Woomera, South Australia, to further test the hypothesis that...

TeV gamma-ray Observations of the Supernova Remnant RCW86 with the CANGAROO-II telescope. (2003)

Watanabe, S., Tanimori, T., Kubo, H., Asahara, A., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

The supernova remnant(SNR) RCW86(G315.4-2.3) has been observed as our third SNR in 2001 and 2002 with the CANGAROO-II 10m telescope from Woomera, South Australia, to further test the hypothesis that...

Observation of sub-TeV gamma-rays from RX J0852.0− 4622 with the CANGAROO-II telescope. (2003)

Katagiri, H., Enomoto, R., Mori, M., Asahara, A., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

RX J0852.0−4622 (G266.2−1.2) is a Type-II Supernova Remnant (SNR) located along the line of sight to the Vela SNR. We observed RX J0852.0−4622 with the CANGAROO-II telescope from the middle of...

Observation of sub-TeV gamma-rays from RX J0852.0− 4622 with the CANGAROO-II telescope. (2003)

Katagiri, H., Enomoto, R., Mori, M., Asahara, A., Bicknell, Geoffrey Vincent, Clay, Roger William, ...

RX J0852.0−4622 (G266.2−1.2) is a Type-II Supernova Remnant (SNR) located along the line of sight to the Vela SNR. We observed RX J0852.0−4622 with the CANGAROO-II telescope from the middle of...

Spin-Statistics and CPT Theorems in Noncommutative Field Theory (2002)

Chaichian, M., Nishijima, K., Tureanu, A.

We show that Pauli's spin-statistics relation remains valid in noncommutative quantum field theories (NC QFT), with the exception of some peculiar cases of noncommutativity between space and time. We...

Status of the CANGAROO-III Project (2001)

Masaki Mori, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, T. Hara, ...

Abstract. The CANGAROO-III project, which consists of an array of four 10 m imaging Cherenkov telescopes, has just started being constructed in Woomera, South Australia, in a collaboration between...

Initial Performance of CANGAROO-II 7m Telescope", in GeV-TeV Gamma Ray Astrophysics Workshop, edited by (2000)

Hidetoshi Kubo, S. A. Dazeley, P. G. Edwards, S. Gunji, S. Hara, T. Hara, ...

Abstract. CANGAROO group constructed an imaging air Cherenkov telescope (CANGAROO-II) in March 1999atWoomera, South Australia to observe celestial gamma-rays in hundreds GeV region. It has a 7m...

Present status of the 7-10 m telescope of CANGAROO II (1999)

Yoshikoshi, T., Dazeley, S. A., Gunji, S., Hara, S., Hara, T., Holder, J., ...

The Cherenkov telescope of the CANGAROO II project will start operation in 1999 in Woomera, South Australia, with a 7 m aperture using 60 plastic mirrors. The telescope, which can potentially be...

Present status of the 7-10 m telescope of CANGAROO II (1999)

Yoshikoshi, T., Dazeley, S. A., Gunji, S., Hara, S., Hara, T., Holder, J., ...

The Cherenkov telescope of the CANGAROO II project will start operation in 1999 in Woomera, South Australia, with a 7 m aperture using 60 plastic mirrors. The telescope, which can potentially be...