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Chikusa ku, Japan

Hayasaka K.,Furo cho
Journal of Physics: Conference Series | Year: 2011

We report the recent results of a search for lepton-flavor-violating τ decays and a search for CP violation in τ → νK 0 Sπ using a large data sample accumulated with the Belle detector at the KEKB asymmetric-energy e +e - collider. The sensitivity to these modes is significantly improved compared to previous experiments. Source

Kashimura K.,322 6 Oroshi cho | Fukushima J.,Furo cho | Sato M.,322 6 Oroshi cho
Materials Science and Technology Conference and Exhibition 2010, MS and T'10 | Year: 2010

Chemical reaction under microwave field goes noticed as the heating mechanism has been studied. It was reported that a reduction caused by microwave heating shows different scientific behavior from that by conventional ones. Authors noticed that metal titanium powders are heated by microwave heating at high oxygen partial pressure and the oxygen partial pressure change of exhaust-gas were measured to understand the mechanism of the nitriding response using solid electrolyte oxygen sensor. The nitridation mechanism was discussed using quantum-chemical simulation for Ti14O13 model. During application of the heating, the pressure decreased to 1 × 10 -10 atm and quickly increased to 1 × 10-5 atm and then oxygen emission peaks were observed. Furthermore, quantum-chemical simulation showed that Ti-O bonding of titanium oxide is anti-bonding and consists of 3d orbital. Copyright © 2010 MS&T'10®. Source

Nishizawa N.,Furo cho | Sakakibara Y.,Japan National Institute of Advanced Industrial Science and Technology | Sakakibara Y.,Japan Science and Technology Agency | Itoga E.,Japan National Institute of Advanced Industrial Science and Technology | And 2 more authors.
Optics InfoBase Conference Papers | Year: 2011

Fiber based optical frequency comb was developed using polarization maintaining Er-doped ultrashort pulse fiber laser using polyimide film dispersed with single wall carbon nanotube. fceo was stable and locked with EO modulator and LD driver. © 2011 Optical Society of America. Source

In this report, a control method for the stabilization of periodic orbits for a class of one- and two-dimensional discrete-time systems that are topologically conjugate to symbolic dynamical systems is proposed and applied to a population model in an ecosystem and the Smale horseshoe map. A periodic orbit is assigned as a target by giving a sequence in which symbols have periodicity. As a consequence, it is shown that any periodic orbits can be globally stabilized by using arbitrarily small control inputs. This work is a new attempt to systematically design a control system based on symbolic dynamics in the sense that one estimates the magnitude of control inputs and analyzes the Lyapunov stability. Source

Hasegawa T.,Nagoya University | Sakuma S.,Nagoya University | Nanatani K.,Tohoku University | Uozumi N.,Tohoku University | Arai F.,Furo cho
2015 International Symposium on Micro-NanoMechatronics and Human Science, MHS 2015 | Year: 2015

We show the system for measuring the mechanical characteristics of single cyanobacteria, and the results of mechanical characterization of Synechocystis sp. PCC 6803. The system utilizes optical tweezers for transportation of the target cell to the measurement point, and a robot integrated microfluidic chip for applying one-directional deformation to a floating cell. © 2015 IEEE. Source

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