Tracing star formation in galaxies with molecular line and continuum observations (2008)
Kohno, K., Muraoka, K., Hatsukade, B., Tanaka, K., Iono, D., Nakanishi, K., ...
We report our recent progress on extragalactic spectroscopic and continuum observations, including HCN(J=1-0), HCO$^+$(J=1-0), and CN(N=1-0) imaging surveys of local Seyfert and starburst galaxies...
Kohno, K., Tosaki, T., Miura, R., Muraoka, K., Sawada, T., Nakanishi, K., ...
We present CO(3-2) emission observations toward the 3'x3' (or 20x20kpc at a distance of 23Mpc) region of the southern barred spiral galaxy NGC 986 using the Atacama Submillimeter Telescope Experiment...
Zegers, R. G. T., Meharchand, R., Adachi, T., Austin, Sam M., Brown, B. A., Fujita, Y., ...
The 24Mg(3He,t)24Al reaction has been studied at E(3He)=420 MeV. An energy resolution of 35 keV was achieved. Gamow-Teller strengths to discrete levels in 24Al are extracted by using a recently...
Scattering theory for the Gross-Pitaevskii equation in three dimensions (2008)
We study global behavior of small solutions of the Gross-Pitaevskii equation in three dimensions. We prove that disturbances from the constant equilibrium with small, localized energy, disperse for...
First Detection of 12CO (1--0) Emission from Two Narrow-Line Seyfert 1 Galaxies (2007)
Kawaguchi, T., Nakanishi, K., Kohno, K., Ohta, K., Aoki, K.
In order to investigate how the growth of galactic bulges progresses with the growth of central black holes (BHs), we observed molecular gas (fuel for the coming star formation) in possibly young...
The 2006 Radio Outburst of a Microquasar Cyg X-3: Observation and Data (2007)
Tsuboi, M., Tosaki, T., Kuno, N., Nakanishi, K., Sawada, T., Umemoto, T., ...
We present the results of the multi-frequency observations of radio outburst of the microquasar Cyg X-3 in February and March 2006 with the Nobeyama 45-m telescope, the Nobeyama Millimeter Array, and...
Zegers, R. G. T., Brown, E. F., Akimune, H., Austin, Sam M., Brown, B. A., ...
The Gamow-Teller strength for the transition from the ground state of 13C to the T=1/2, J^pi=3/2- excited state at 3.51 MeV in 13N is extracted via the 13C(3He,t) reaction at 420 MeV. In contrast to...
Li, T., Garg, U., Liu, Y., Marks, R., Nayak, B. K., Rao, P. V. Madhusudhana, ...
We have investigated the isoscalar giant monopole resonance (GMR) in the Sn isotopes, using inelastic scattering of 400-MeV $\alpha$-particles at extremely forward angles, including 0 deg. A value of...
Li, T., Garg, U., Liu, Y., Marks, R., Nayak, B. K., Rao, P. V. Madhusudhana, ...
The strength distributions of the giant monopole resonance (GMR) have been measured in the even-A Sn isotopes (A=112--124) with inelastic scattering of 400-MeV $\alpha$ particles in the angular range...
On the extraction of weak transition strengths via the (3He,t) reaction at 420 MeV (2007)
Zegers, R. G. T, Adachi, T., Akimune, H., Austin, Sam M., Brown, B. A., ...
Differential cross sections for transitions of known weak strength were measured with the (3He,t) reaction at 420 MeV on targets of 12C, 13C, 18O, 26Mg, 58Ni, 60Ni, 90Zr, 118Sn, 120Sn and 208Pb....
Compensation of the Crossing Angle with Crab Cavities at KEKB (2007)
Abe, T., Akai, K., Akemoto, M., Akiyama, A., Arinaga, M., Ebihara, K., ...
Crab cavities have been installed in the KEKB B--Factory rings to compensate the crossing angle at the collision point and thus increase luminosity. The beam operation with crab crossing has been...
Tosaki, T., Miura, R., Sawada, T., Kuno, N., Nakanishi, K., Kohno, K., ...
We report the discovery of a high CO(J=3-2)/CO(J=1-0) ratio gas with an arc-like distribution (``high-ratio gas arc'') surrounding the central star cluster of the supergiant HII region NGC 604 in the...
Balmer Absorption Lines in FeLoBALs (2006)
Aoki, K., Iwata, I., Ohta, K., Tamura, N., Ando, M., Akiyama, M., ...
We discovered non-stellar Balmer absorption lines in two many-narrow-trough FeLoBALs (mntBALs) by the near-infrared spectroscopy with Subaru/CISCO. Presence of the non-stellar Balmer absorption lines...
Observation Campaign of SS 433 in April 2006 (2006)
Kotani, T., Kubota, K., Namiki, M., Kawai, N., Ueda, Y., Trushkin, S., ...
A radio-IR-optical-X-ray observation campaign of SS 433 has been performed in April 2006, when the jet axis is almost perpendicular to the line of sight. Five flares have been detected during the...
Global dispersive solutions for the Gross-Pitaevskii equation in two and three dimensions (2006)
We study asymptotic behaviour at time infinity of solutions close to the non-zero constant equilibrium for the Gross-Pitaevskii equation in two and three spatial dimensions. We construct a class of...
Anisotropic siloxane-based monolith prepared in confined spaces (2006)
Suzumura, Y, Kanamori, K, Nakanishi, K, Hirao, K, Yamamichi, J
$2\alpha+t$ cluster structure in $^{11}$B (2005)
Kawabata, T., Akimune, H., Fujita, H., Fujita, Y., Fujiwara, M., Hara, K., ...
The cluster structures of the excited states in $^{11}$B are studied by analyzing the isoscalar monopole and quadrupole strengths in the $^{11}$B($d$,$d'$) reaction at $E_d=200$ MeV. The excitation...
The (t,3He) and (3He,t) reactions as probes of Gamow-Teller strength (2005)
Zegers, R. G. T., Akimune, H., Austin, Sam M., Bazin, D., Berg, G. P. A., ...
Charge-exchange reactions are an important tool for determining weak-interaction rates. They provide stringent tests for nuclear structure models necessary for modeling astrophysical environments...
Scattering for the Gross-Pitaevskii equation (2005)
We investigate the asymptotic behavior at time infinity of solutions close to a non-zero constant equilibrium for the Gross-Pitaevskii (or Ginzburg-Landau Schroedinger) equation. We prove that, in...
A high-frequency radio survey of low-luminosity active galactic nuclei (2005)
Doi, A., Kameno, S., Kohno, K., Nakanishi, K., Inoue, M.
We investigate the high-frequency radio spectra of twenty low-luminosity active galactic nuclei (LLAGNs) with compact radio cores. Our millimetre survey with the Nobeyama Millimetre Array (NMA) and...
Dense and Warm Molecular Gas between Double Nuclei of the Luminous Infrared Galaxy NGC 6240 (2005)
Nakanishi, K., Okumura, S. K., Kohno, K., Kawabe, R., Nakagawa, T.
High spatial resolution observations of the 12CO(1-0), HCN(1-0), HCO+(1-0), and 13CO(1-0) molecular lines toward the luminous infrared merger NGC 6240 have been performed using the Nobeyama...
The Growth of the Local Void and the Origin of the Local Velocity Anomaly (2005)
Iwata, I., Ohta, K., Nakanishi, K., Chamaraux, P., Roman, A. T.
The Local Void is the nearest void from us and is thought to be playing an important role in the kinematics of the local universe, especially as one of the suspected source of the motion of the Local...
Starbursting Nuclear CO Disks of Early-type Spiral Galaxies (2004)
Koda, J., Okuda, T., Nakanishi, K., Kohno, K., Ishizuki, S., Kuno, N., ...
We have initiated the first CO interferometer survey of early-type spiral galaxies (S0-Sab). We observed five early-type spiral galaxies with HII nuclei (indicating circumnuclear starburst...
Kohno, K., Tosaki, T., Okuda, T., Nakanishi, K., Kamazaki, T., Muraoka, K., ...
Nobeyama Millimeter Array was used to observe millimeter-wave afterglow of GRB 030329 at 93 GHz and 141 GHz from 2003 April 6 to 2003 May 30. A sensitive search for CO(J=1-0) emission/absorption from...
Nature of a Strongly-Lensed Submillimeter Galaxy SMM J14011+0252 (2004)
Motohara, K., Takata, T., Iwamuro, F., Eto, S., Shima, T., Mochida, D., ...
We have carried out near-infrared JHK spectroscopy of a gravitationally lensed submillimeter galaxy SMM J14011+0252 at z=2.565, using OHS and CISCO on the Subaru telescope. This object consists of...
Isovector and isoscalar spin-flip M1 strengths in $^{11}$B (2004)
Kawabata, T., Akimune, H., Fujimura, H., Fujita, H., Fujita, Y., Fujiwara, M., ...
The $^{11}$B($^3$He$, t$), $^{11}$B($d, d'$), and $^{11}$B($p, p'$) reactions were measured at forward scattering angles including $0^\circ$ to study the isovector and isoscalar spin-flip M1...
A giant flare on a t tauri star observed at millimeter wavelengths (2003)
Furuya, R. S., Shinnaga, H., Nakanishi, K., Momose, M., Saito, M.
We have conducted multi-epoch synthesis imaging of 2 and 3 millimeter (mm) continuum emission and near infrared K band 2.2 um imaging of a flare event in January 2003 that occurred on the young...
Tolstikov, V.V., Lommen, A., Nakanishi, K., Tanaka, N., Fiehn, O.
Application of C18 monolithic silica capillary columns in HPLC coupled to ion trap mass spectrometry detection was studied for probing the metabolome of the model plant Arabidopsis thaliana. It could...
Interferometric observations of FeO towards Sagittarius B2 (2003)
Furuya, R. S., Walmsley, C. M., Nakanishi, K., Schilke, P., Bachiller, R.
We have used the Nobeyama Millimeter Array (NMA) to carry out aperture synthesis observations of the J = 5-4 ground state rotational transition of FeO molecule at 153.135273 GHz towards the galactic...
Tolstikov, V. V., Lommen, A., Nakanishi, K., Tanaka, N., Fiehn, O.
Application of C18 monolithic silica capillary columns in HPLC coupled to ion trap mass spectrometry detection was studied for probing the metabolome of the model plant Arabidopsis thaliana. It could...
CO(J=6-5) Observations of the Quasar SDSS1044-0125 at z = 5.8 (2001)
Iwata, I., Ohta, K., Nakanishi, K., Kohno, K., McMahon, R. G.
We present a result of the quasar CO(J=6-5) observations of SDSSp J104433.04-012502.2 at z = 5.8. Ten-days observations with the Nobeyama Millimeter Array yielded an rms noise level of ~ 2.1 mJy/beam...
High Power Model Fabrication of Biperiodic L-Support Disk-and-Washer Structure (2000)
Ao, H., Iwashita, Y., Shirai, T., Noda, A., Inoue, M., Kawakita, T., ...
The high power test model of biperiodic L-support disk-and- washer was fabricated. Among some trouble in the fabrication, the main one was a vacuum leak in a brazing process. The repair test of the...
Optical and CO Radio Observations of Poor Cluster Zwicky 1615.8+3505 (1998)
Tomita, A., Maehara, H., Takeuchi, T. T., Nakanishi, K., Honma, M., Tutui, Y., ...
The cluster Zwicky 1615.8+3505 is considered to be a dynamically young poor cluster. To investigate the morphology and star-formation activity of galaxies under the environment of a dynamically young...
H-Alpha Velocity Fields of H II Regions in Nearby Dwarf Irregular Galaxies (1997)
Tomita, A., Ohta, K., Nakanishi, K., Takeuchi, T. T., Saito, M.
We present H-alpha velocity fields of thirteen giant H II regions in four nearby dwarf irregular galaxies, NGC 2366, Holmberg II, IC 2574, and WLM. We classify the velocity features as well as the...
Nonequilibrium phase separation in traffic flows (1997)
Traffic jam in an optimal velocity model with the backward reference function is analyzed. An analytic scaling solution is presented near the critical point of the phase separation. The validity of...
An approach is proposed to the Hopfield model where the mean-field treatment is made for a given set of stored patterns (sample) and then the statistical average over samples is taken. This...
Solvable Optimal Velocity Models and Asymptotic Trajectory (1996)
Nakanishi, K., Itoh, K., Igarashi, Y., Bando, M.
In the Optimal Velocity Model proposed as a new version of Car Following Model, it has been found that a congested flow is generated spontaneously from a homogeneous flow for a certain range of the...