Opportunities for TeV Laser Acceleration (2008)
Kando, M., Kiriyama, H., Koga, J. K., Bulanov, S., Chao, A. W., Esirkepov, T., ...
A set of ballpark parameters for laser, plasma, and accelerator technologies that define for electron energies reaching as high as TeV are identified. These ballpark parameters are carved out from...
Fujiwara, S, Oda, A, Yoshida, R, Niinuma, K, Miyata, K, Tomozoe, Y, ...
Kando, M., Fukuda, Y., Pirozhkov, A. S., Ma, J., Daito, I., ...
Since the advent of chirped pulse amplification1 the peak power of lasers has grown dramatically and opened the new branch of high field science, delivering the focused irradiance, electric fields of...
Chen, L. M., Kando, M., Bulanov, S. V., Koga, J., Nakajima, K., Tajima, T., ...
We studied the hard x-ray emission and the K-alpha x-ray conversion efficiency produced by 60 fs high contrast frequency doubled Ti: sapphire laser pulse focused on Cu foil target. Cu K-alpha photon...
Relativistic Electron Beam Slicing by Wakefiled in Plasmas (2006)
Bulanov, S. V., Tajima, T., Mourou, G.
A method of slicing of high-energy electron beams following their interaction with the transverse component of the wakefield left in a plasma behind a high intensity ultra short laser pulse is...
On the production of flat electron bunches for laser wake field acceleration (2006)
Kando, M., Fukuda, Y., Kotaki, H., Koga, J., Bulanov, S. V., Tajima, T., ...
We suggest a novel method for injection of electrons into the acceleration phase of particle accelerators, producing low emittance beams appropriate even for the demanding high energy Linear Collider...
Self-guiding of 100 TW Femtosecond Laser Pulses in Centimeter-scale Underdense Plasma (2006)
Chen, L. M., Kotaki, H., Nakajima, K., Koga, J., Bulanov, S. V., Tajima, T., ...
An experiment for studying laser self-guiding has been carried out for the high power ultrashort pulse laser interaction with an underdense plasma slab. Formation of an extremely long plasma channel...
Laser Ion Acceleration Scaling Laws Seen in Muti-Parametric PIC Simulations (2005)
Esirkepov, T., Yamagiwa, M., Tajima, T.
The ion acceleration driven by a laser pulse at intensity $I = 10^{20} - 10^{22} $W/cm$^2\times(\mu$m$/\lambda)^2$ from a double layer target is investigated with multi-parametric Particle-in-Cell...
Esirkepov, T., Bulanov, S. V., Yamagiwa, M., Tajima, T.
The electron and positron acceleration in the first cycle of a laser-driven wakefield is investigated. Separatrices between different types of the particle motion (confined, reflected by the...
Collective Ion Acceleration by a Reflexing Electron Beam: Model and Scaling. (2005)
Analytical and numerical calculations are presented for a reflexing electron beam type of collective ion accelerator. These results are then compared to those obtained through experiment. By...
Radiation Pressure Dominate Regime of Relativistic Ion Acceleration (2004)
Esirkepov, T., Borghesi, M., Bulanov, S. V., Mourou, G., Tajima, T.
The electromagnetic radiation pressure becomes dominant in the interaction of the ultra-intense electromagnetic wave with a solid material, thus the wave energy can be transformed efficiently into...
Neutrino oscillation studies with laser-driven beam dump facilities (2004)
Bulanov, S. V., Esirkepov, T., Migliozzi, P., Pegoraro, F., Tajima, T., Terranova, F.
A new mechanism is suggested for efficient proton acceleration in the GeV energy range; applications to non-conventional high intensity proton drivers and, hence, to low-energy (10-200 MeV) neutrino...
RF Surface Resistance of a HIPped MgB2 Sample at 21 GHz (2003)
Tajima, T., Krawczyk, F. L., Liu, J., Nguyen, D. C., Schrage, D. L., Serquis, A., ...
Magnesium diboride (MgB2) is attractive for RF cavity application for particle accelerators because it might not show an increase of RF surface losses at high magnetic surface fields, a phenomenon...
Relativistic laser piston (2003)
Esirkepov, T, Borghesi, M, Bulanov, SV, Mourou, G, Tajima, T, Yamigawa, M
Generation of High Quality Laser Accelerated Ion Beams (2002)
Esirkepov, T. Zh., Bulanov, S. V., Nishihara, K., Tajima, T., Pegoraro, F., Khoroshkov, V. S., ...
In order to achieve a high quality, i. e. monoergetic, intense ion beam, we propose the use of a double layer target. The first layer, at the target front, consists of high-Z atoms, while the second...
Excitation of Large Amplitude Plasma Waves by Runaway Electrons. (2002)
Leboeuf,J. N., Tajima,T., Morales,G. J.
A relativistic computer simulation demonstrates that the application of a DC electric field enhances the excitation of plasma waves through runaway electrons. The presence of an elongated tail in the...
Since its birth, the laser has been extraordinarily effective in the study and applications of laser-matter interaction at the atomic and molecular level and in the nonlinear optics of the bound...
Status of Superconducting RF Linac Development for APT (2000)
Chan, K. C. D., Campbell, B. M., Gautier, D. C., Gentzlinger, R. C., Gioia, J. G., Haynes, W. B., ...
This paper describes the development progress of high current superconducting RF linacs in Los Alamos, performed to support a design of the linac for the APT (Accelerator Production of Tritium)...
Robustly Unstable Eigenmodes of the Magnetoshearing Instability in Accretion Disk (2000)
Noguchi, K., Tajima, T., Matsumoto, R.
The stability of nonaxisymmetric perturbations in differentially rotating astrophysical accretion disks is analyzed by fully incorporating the properties of shear flows. We verify the presence of...
Forecasting of Geomagnetic Activity with Neural Networks (1998)
R. S. Weigel, W. Horton, T. Tajima, T. Detman
Neural networks are developed as a predictive filter for geomagnetic activity. The networks use as inputs a vector containing time delayed copies of the time series for the geomagnetic activity level...
Beam test of a superconducting damped cavity for KEKB (1998)
Furuya, T, Akai, K, Asano, K, Ezura, E, Hara, K, Hosoyama, K, ...
Asano, K, Ezura, E, Furuya, T, Ishimaru, H, Maeda, Y, Mitsunobu, S, ...
Beam test of ferrite absorber in TRISTAN MR (1996)
Tajima, T, Asano, K, Furuya, T, Ishi, Y, Kijima, Y, Mitsunobu, S, ...
HOM absorbers of superconducting cavities for KEKB (1996)
Tajima, T, Asano, K, Furuya, T, Mitsunobu, S, Takahashi, T, Ishi, Y, ...
A prototype module of a superconducting damped cavity for KEKB (1996)
Furuya, T, Akai, K, Asano, K, Ezura, E, Hara, K, Hosoyama, K, ...
Superconducting accelerating cavity for KEK B-factory (1996)
Furuya, T, Asano, K, Ishi, Y, Kijima, Y, Mitsunobu, S, Murai, T, ...
Comparisons of Nonlinear Toroidal Turbulence Simulations with Experiment (1995)
W. Dorl, M. Kotschenreuther, M. A. Beer, G. W. Hammett, R. E. Waltz, R. R. Dominguez, ...
The anomalously large thermal transport observed in tokamak experiments is the outstanding physics-based obstacle in the path to a commercially viable fusion reactor. Although decades of experimental...
Development of HOM damper for B-factory (KEKB) superconducting cavities (1995)
Tajima, T, Asano, K, Furuya, T, Izawa, M, Mitsunobu, S, Takahashi, T, ...
Nakajima, K, Fisher, D, Kawakubo, T, Nakanishi, H, Ogata, A, Kato, Y, ...
Production of ion beams in high power laser plasma interaction and their applications
Pegoraro, F, Atzeni, S, Borghesi, M, Bulanov, S V, Esirkepov, T Z, Honrubia, J J, ...
Yakushi, T, Tajima, T, Matsuyama, S, Tokuda, H
The major outer membrane lipoprotein (Lpp) of Escherichia coli possesses serine at position 2, which is thought to function as the outer membrane sorting signal, and lysine at the C terminus, through...
Maeda, K, Kawaguchi, Y, Ono, M, Tajima, T, Mikami, T
The genomic heterogeneity of 78 isolates of feline herpesvirus type 1 (FHV-1) recently isolated from cats suspected to have feline viral rhinotracheitis was analyzed by examining the digestion...
Inouye, S, Satoh, K, Tajima, T
We explored the feasibility of using the passive hemagglutination (PHA) test in combination with the hemagglutination inhibition (HI) test for the single-serum diagnosis of rubella. We found by...
Tajima, T, Fujieda, K, Nakayama, K, Fujii-Kuriyama, Y
Steroid 21-hydroxylase deficiency is a major cause of congenital adrenal hyperplasia and is caused by genetic impairment of this enzyme. Since approximately 80% of cases are caused by point mutations...
Matsuyama, S, Tajima, T, Tokuda, H
Lipoproteins are localized in the outer or inner membrane of Escherichia coli, depending on the species of amino acid located next to the N-terminal fatty acylated Cys. The major outer membrane...
Fujieda, K, Tajima, T, Nakae, J, Sageshima, S, Tachibana, K, Suwa, S, ...
Congenital lipoid adrenal hyperplasia (lipoid CAH) is the most severe form of CAH in which the synthesis of all gonadal and adrenal cortical steroids is markedly impaired. We report here the...
Yakushi, T, Tajima, T, Matsuyama, S, Tokuda, H
The major outer membrane lipoprotein (Lpp) of Escherichia coli possesses serine at position 2, which is thought to function as the outer membrane sorting signal, and lysine at the C terminus, through...
Maeda, K, Kawaguchi, Y, Ono, M, Tajima, T, Mikami, T
The genomic heterogeneity of 78 isolates of feline herpesvirus type 1 (FHV-1) recently isolated from cats suspected to have feline viral rhinotracheitis was analyzed by examining the digestion...
Inouye, S, Satoh, K, Tajima, T
We explored the feasibility of using the passive hemagglutination (PHA) test in combination with the hemagglutination inhibition (HI) test for the single-serum diagnosis of rubella. We found by...
Tajima, T, Fujieda, K, Nakayama, K, Fujii-Kuriyama, Y
Steroid 21-hydroxylase deficiency is a major cause of congenital adrenal hyperplasia and is caused by genetic impairment of this enzyme. Since approximately 80% of cases are caused by point mutations...
Matsuyama, S, Tajima, T, Tokuda, H
Lipoproteins are localized in the outer or inner membrane of Escherichia coli, depending on the species of amino acid located next to the N-terminal fatty acylated Cys. The major outer membrane...
Fujieda, K, Tajima, T, Nakae, J, Sageshima, S, Tachibana, K, Suwa, S, ...
Congenital lipoid adrenal hyperplasia (lipoid CAH) is the most severe form of CAH in which the synthesis of all gonadal and adrenal cortical steroids is markedly impaired. We report here the...