Y. Sakai

29th International Symposium on Physics in Collision (2009)

Appel, J A, Bellini, G, Bettini, A, Briere, R, Brom, J M, Fabbri, F L, ...

Roberge-Weiss phase transitions and extended Z3 symmetry (2008)

Kouno, H., Sakai, Y., Kashiwa, K., Matsuzaki, M., Yahiro, M.

Using the Polyakov extended Nambu-Jona-Lasinio (PNJL) model with imaginary chemical potential, the relation between the Roberge-Weiss (RW) phase transition and the extended Z3 symmetry is studied. At...

sBelle Design Study Report (2008)

Adachi, I., Danilov, M., Hara, K., Hara, T., Higuchi, T., Inami, K., ...

In this note, we compile results of various simulation studies for the upgrade of the Belle detector. Based on these studies, we propose a set of optimum or appropriate parameters of the detector.

Measurement of azimuthal asymmetries in inclusive production of hadron pairs in e^＋e^－ annihilation at √s = 10.58 GeV (2008)

Seidl, R., Grosse Perdekamp, M., Ogawa, A., Adachi, I., Aihara, H., Bahinipati, S., ...

The Collins effect connects transverse quark spin with a measurable azimuthal asymmetry in the yield of hadronic fragments around the quark’s momentum vector. Using two different reconstruction...

Successful embolization of a ruptured pancreaticoduodenal artery aneurysm associated with the median arcuate ligament syndrome (2008)

Iwazawa, J, Hamuro, M, Sakai, Y, Nakamura, K

Observation of a Resonancelike Structure in the π^+-Ψ' Mass Distribution in Exclusive B → Kπ^+-Ψ' Decays (2008)

Olsen, S. L., Adachi, I., Aihara, H., Aulchenko, V., Aushev, T., ...

A distinct peak is observed in the π^±Ψ'invariant mass distribution near 4.43 GeV in B→ Kπ^±Ψ' decays. A fit using a Breit-Wigner resonance shape yields a peak mass and width of M = 4433±...

Search for \bar{B}^0 →Λ_c^+\bar{Λ}_c^- decay at Belle (2008)

Uchida, Y., Ozaki, H., Kichimi, H., Adachi, I., Aihara, H., Arinstein, K., ...

We search for the doubly charmed baryonic decay \bar{B}^0 →Λ_c^+\bar{Λ}_c^-, in a data sample of 520×106 B\bar{B} events accumulated at the Υ(4S) resonance with the Belle detector at the KEKB...

Observation of D_s1(2536)^+　→ D^+π^-K^+ and angular decomposition of D_s1(2536)^+ →D^*+K_S^0 (2008)

Balagura, V., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

Using 462 fb^{-1} of e^+e^- annihilation data recorded by the Belle detector, we report the first observation of the decay D_s1(2536)^+　→　D+π^-K^+. The ratio of branching fractions...

Observation of the Ψ(4415)→ D\bar{D}_2^* (2460) Decay Using Initial-State Radiation (2008)

Pakhlova, G., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

We report measurements of the exclusive cross section for e^+e^-　→D^0D^-π^+ over the center-of-mass energy range 4.0 GeV to 5.0 GeV with initial-state radiation and the first observation of the...

Measurement of the near-threshold e^+e^-　→ D\bar{D} cross section using initial-state radiation (2008)

Pakhlova, G., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., ...

We report measurements of the exclusive cross section for e^+e^　→D\bar{D}, where D=D^0 or D^+, in the center-of-mass energy range from the D\bar{D} threshold to 5 GeV with initial-state...

Observation of e^+e^-　→ K^+K^-J/Ψ via initial-state radiation at Belle (2008)

Yuan, C. Z., Shen, C. P., Wang, P., Wang, X. L., Adachi, I., Aihara, H., ...

The process e^+e^- →K^+K^-J/Ψ is observed for the first time via initial-state radiation. The cross section of e^+e^- → K^+K^-J/Ψ for center-of-mass energies between threshold and 6.0 GeV is...

Time-Dependent CP-Violating Asymmetry in B^0→p^0γ Decays (2008)

Ushiroda, Y., Sumisawa, K., Taniguchi, N., Adachi, I., Aihara, H., Arinstein, K., ...

We report the first measurement of CP-violation parameters in B^0 → p^0γ decays based on a data sample of 657×10^6B\bar{B} pairs collected with the Belle detector at the KEKB asymmetric-energy...

The rice annotation project database (RAP-DB): 2008 update (2008)

TANAKA, T, ANTONIO, BA, KIKUCHI, S, MATSUMOTO, T, NAGAMURA, Y, NUMA, H, ...

Extension of lifetime of silicon field emitter arrays in oxygen ambient by carbon negative ion implantation (2008)

Oowada, A, Takeuchi, M, Sakai, Y, Gotoh, Y, Nagao, M, Tsuji, H, ...

Review of particle physics (2008)

Particle Data Group, Amsler, C, Doser, M, Antonelli, M, Asner, DM, Babu, KS, ...

New Limits on the Masses of the Selectron and Photino (2007)

Y. Sugimoto, K. Abe, Y. Fujii, S. Igarashi, Y. Kurihara, M. H. Lee, ...

A study of e + e \Gamma annihilations into final states containing a single energetic photon with no accompanying particles is made at a center of mass energy of 57.8 GeV. The measured cross section...

Measurement of branching fraction and time-dependent CP asymmetry parameters in B^0 → D^*+D^*-K^{0}_{S}decays (2007)

Dalseno, J., Adachi, I., Aihara, H., Aushev, T., Bakich, A. M., Balagura, V., ...

We present a measurement of the branching fraction and time-dependent CP violation parameters for B^0 → D^*+D^*-K^{0}_{S} decays. These results are obtained from a 414 fb^{-1} data sample that...

Measurements of exclusive B^{0}_{s} decays at the γ(5S) resonance (2007)

Drutskoy, A., Abe, K., Adachi, I., Aihara, H., Anipko, D., Bakich, A. M., ...

Several exclusive B^{O}_{s} decays are studied using a 1.86 fb^{-1} data sample collected at the Υ(5S) resonance with the Belle detector at the KEKB asymmetric energy e^+e^- collider. In the...

Search for B decays into η'p, η'K^*, η'φ, η'ω and η'η^(') (2007)

Schümann, J., Wang, C. H., Abe, K., Aihara, H., Anipko, D., Arinstein, K., ...

We report on a search for the exclusive two-body charmless hadronic B meson decays B → η'ρ, B → η'K^*, B^0 → ηφ, B^0 → η'ω, and B0 →η'η^('). The results are obtained from a data...

Analytical modeling of stress-strain behavior at 1873 K of alumina/YAG composite compressed parallel and perpendicular to the solidification direction (2007)

Ochiai, S, Sakai, Y, Kuhara, K, Iwamoto, S, Sha, JJ, Okuda, H, ...

Platelet-rich plasma with biodegradable gelatin hydrogel promotes rabbit meniscal tissue regeneration (2006)

Ishida, K, Kuroda, R, Tabata, Y, Hokugo, A, Sasaki, K, Miwa, M, ...

The ribulose monophosphate pathway substitutes for the missing pentose phosphate pathway in the archaeon Thermococcus kodakaraensis (2006)

Orita, I, Sato, T, Yurimoto, H, Kato, N, Atomi, H, Imanaka, T, ...

教育実習終了後における教職志望の変容 : 数学科の教育実習生を対象として (2005)

坂井, 裕, サカイ, ユタカ, SAKAI, Y., 坂井, 裕(東京学芸大学教育実践研究支援センター)

(1RS,4SR,8SR,11RS,15SR,18RS,22RS,25SR)-1,4 : 8,11 : 15,18 : 22,25-tetraethano-29H,31H-tetrabenzo[b,g,l,q]porphine chloroform disolvate (2005)

Aramaki, S., Sakai, Y., Yanagisawa, H., Senju, T., Mizuguchi, Jin, 水口, 仁, ...

In the title compound, C44H38N4.2CHCl(3), the porphine (CP) is a soluble precursor of metal-free porphyrin which exhibits an excellent field-effect transistor characteristic. The CP skeleton is...

1,4 : 8,11 : 15,18 : 22,25-tetraethano-29H,31H-tetrabenzo[b,g,l,q]porphine toluene trisolvate (2005)

Aramaki, S., Sakai, Y., Yanagisawa, H., Mizuguchi, Jin, 水口, 仁, ミズグチ, ジン, ...

In the title compound, C44H38N4.C7H8, the porphine (CP) is a soluble precursor of metal-free porphyrin which exhibits an excellent field-effect transistor characteristic. The CP molecule is not...

Tensile and bending behavior of melt growth Al2O3/YAG composite at ultra high temperatures (1773-2023K) (2005)

Ochiai, S, Sakai, Y, Sato, K, Ueda, T, Morishita, K, Okuda, H, ...

Fracture characteristics of Al2O3/YAG composite at room temperature to 2023 K (2005)

Ochiai, S, Sakai, Y, Sato, K, Tanaka, M, Hojo, M, Okuda, H, ...

Calculations of complete 4f(n) and 4f(n-1)5d(1) energy level schemes of free trivalent rare-earth ions (2004)

Ogasawara, K, Watanabe, S, Sakai, Y, Toyoshima, H, Ishii, T, Brik, MG, ...

Kinetic study of the photo-induced electron transfer reaction between ruthenium(II) complexes of 2,2 '-bipyridine derivatives and methyl viologen. Effects of bulky substituents introduced onto 2,2 '-bipyridine (2003)

Hamada, T, Tanaka, S, Koga, H, Sakai, Y, Sakaki, S

Cerebral imaging by magnetic resonance imaging and single photon emission computed tomography in systemic lupus erythematosus with central nervous system involvement (2003)

Oku, K., Atsumi, T., Furukawa, S., Horita, T., Sakai, Y., Jodo, S., ...

Objective. To assess the significance of magnetic resonance imaging (MRI) and single photon emission computed tomography (SPECT) abnormalities in patients with systemic lupus erythematosus (SLE)....

Cerebral imaging by magnetic resonance imaging and single photon emission computed tomography in systemic lupus erythematosus with central nervous system involvement (2003)

Oku, K., Atsumi, T., Furukawa, S., Horita, T., Sakai, Y., Jodo, S., ...

Objective. To assess the significance of magnetic resonance imaging (MRI) and single photon emission computed tomography (SPECT) abnormalities in patients with systemic lupus...

Cerebral imaging by magnetic resonance imaging and single photon emission computed tomography in systemic lupus erythematosus with central nervous system involvement (2003)

Oku, K., Atsumi, T., Furukawa, S., Horita, T., Sakai, Y., Jodo, S., ...

Objective. To assess the significance of magnetic resonance imaging (MRI) and single photon emission computed tomography (SPECT) abnormalities in patients with systemic lupus erythematosus (SLE)....

Radiative B meson decays into K pi gamma and K pi pi gamma final states (2002)

Nishida, S, Nakao, M, Abe, K, Abe, K, Abe, T, Ahn, BS, ...

Preparation of double layer film of boron and carbon by pulsed laser deposition (2002)

Suda, Yoshiyuki, Suganuma, Y, Sakai, Y, Suzuki, K, Tsujino, J, Homma, N, ...

Double layer films of boron and carbon were prepared by pulsed laser deposition (PLD) on silicon substrates. The film surface morphology was examined by atomic force microscopy (AFM). The chemical...

Preparation of carbon nanoparticles by plasma-assisted pulsed laser deposition method : size and binding energy dependence on ambient gas pressure and plasma condition (2002)

Suda, Yoshiyuki, Ono, T, Akazawa, M, Sakai, Y, Tsujino, J, Homma, N, ...

Nanometer-size carbon particles were prepared on a Si substrate using pulsed laser deposition (PLD) assisted by radio frequency (RF) Ar plasma and were compared with ones prepared by PLD in vacuum...

Helicobacter pylori infection in rheumatoid arthritis: effect of drugs on prevalence and correlation with gastroduodenal lesions (2002)

Ishikawa, N., Fuchigami, T., Matsumoto, T., Kobayashi, H., Sakai, Y., Tabata, H., ...

Objective. The aim of this study was to investigate the impact of Helicobacter pylori infection on clinical features in patients with rheumatoid arthritis (RA) under medication with...

Deposition of fine carbon particles using pulsed ArF laser ablation assisted by inductively coupled plasma (2000)

Suda, Yoshiyuki, Nishimura, T, Ono, T, Akazawa, M, Sakai, Y, Homma, N, ...

Carbon thin films containing many fine carbon particles were deposited by a pulsed ArF laser ablation technique assisted by inductively coupled plasma (ICP). The sizes of the particles were found to...

Insulin resistance affects endothelium-dependent acetylcholine-induced coronary artery response (2000)

Inoue, T, Matsunaga, R, Sakai, Y, Yaguchi, I, Takayanagi, K, Morooka, S

Aims This study was designed to investigate the relationship between insulin resistance and the acetylcholine-induced endothelium-dependent coronary artery response in patients without...

Simulation studies on CP and CPT violations in $B\overline{B}$ mixing (1998)

Mohapatra, A, Satpathy, M, Abe, K, Sakai, Y

The spatio-temporal development of electron swarms in gases: moment equation analysis and Hermite polynomial expansion (1998)

Sugawara, Hirotake, Sakai, Y, Tagashira, H, Kitamori, K

Spatio-temporal development of electron swarms in gases is simulated using a propagator method based on a series of one-dimensional spatial moment equations. When the moments up to a suecient order...

Endoscopy in the Diagnosis of Small Intestinal Tumors (1997)

M. Kawaguchi, Y. Saitou, Y. Sakai, Y. Tani, S. Midorikawa, T. Sanji, ...

The importance of endoscopy in the diagnosis of small intestinal tumors was evaluated in 15 patients with small intestinal tumors treated in our hospital. Two tumors were benign, and 13 were...

Measurement of $D^{\star + -}$ production in two-photon processes at TRISTAN (1996)

Takashimizu, N, Sasaki, T, Miyata, H, Aso, T, Miyano, K, Nakajima, N, ...

Behaviour of liquid nitrogen between electrodes in a microgravity environment (1996)

Suda, Yoshiyuki, Itoh, M, Sakai, Y, Matsuura, K, Honma, N, Kimura, T, ...

The motion of boiling liquid nitrogen (LN2) between electrodes and its surface profile in a microgravity environment just after release from terrestrial gravity are observed. The dynamic behaviour is...

Measurement of the forward-backward asymmetry in e+e- --> b$\overline{b}$ and the b-quark branching ratio to muons at TRISTAN using neural networks (1996)

Ueno, K, Kanda, S, Olsen, S L, Kirk, P, Wang, T J, Abashian, Alexander, ...

Study of a dE/dx measurement and the gas-gain saturation by a prototype drift chamber for the BELLE-CDC (1996)

Emi, K, Tsukamoto, T, Hirano, H, Mamada, H, Sakai, Y, Uno, S, ...

Observation of the color coherence effect in sub-jet multiplicity of three-jet and four-jet events in e+e- annihilations (1996)

Behari, S, Murakami, A, Kanda, S, Fujimoto, H, Kobayashi, S, Sahu, S K, ...

New limits on the masses of the selectron and photino (1996)

Sugimoto, Y, Abe, K, Fujii, Y, Igarashi, S, Kurihara, Y, Lee, M H, ...

Measurement of charm production in two-photon processes using inclusive lepton events at TRISTAN (1996)

Aso, T, Miyata, H, Sasaki, T, Miyano, K, Nakajima, N, Ohkubo, K, ...

Lack of Methylene Blue Staining in Superficial Epithelia as a Possible Marker for Superficial Lateral Spread of Bile Duct Cancer (1996)

I. Maetani, S. Ogawa, M. Sato, Y. Igarashi, Y. Sakai, K. Shibuya

Longitudinal cancer spread is very important for staging of resectability in bile duct cancer. We verified the difference in methylene blue staining properties between cancerous and noncancerous...

A high-Q$^{2}$ measurement of the photon structure function F$_{2}^{\gamma}$ (1995)

Sahu, S K, Ebara, S, Nozaki, T, Behari, S, Fujimoto, H, Kobayashi, S, ...

Properties of electron swarms in gases in the upstream region of an electron source (1995)

Sugawara, H., Sakai, Y., Tagashira, H.

Exponential spatial growth of electron swarms in gases under steady-state Townsend conditions may be observed not only in the downstream region of an electron source but also in the upstream region...

Measurements of cross section and charge asymmetry for e+e- --> $\mu^{+}\mu^{-}$ and e+e- --> $\tau^{+}\tau^{-}$ at \Sqrt s = 57.8 GeV (1994)

Velissaris, C, Lusin, S, Chung, Y S, Park, K W, Cho, D K, Bodek, Arie, ...

Relationship Between Percutaneous Transhepatic Cholangioscopy Findings and Pattern of Carcinomatous Spread in the Bile Duct (1994)

M. Sato, I. Maetani, S. Ohashi, S. Ogawa, T. Anzai, H. Hoshi, ...

To clarify the relationship between percutaneous transhepatic cholangioscopic findings such as papillogranular surface and vascular dilation, which are reportedly characteristic of carcinoma, and the...

A-dependence of the inclusive production of hadrons with high transverse momenta (1990)

Hsiung, Y B, Sakai, Y, Crittenden, James Arthur, Adams, M R, Brown, N, Charpak, Georges, ...

High-transverse-momentum single hadron production in pp and pd collisions at $\sqrt{s} = 27.4$ and $\sqrt{s} = 38.8 GeV$ (1990)

Jaffe, D E, Straub, P B, Adams, M R, Brown, C N, Charpak, Georges, Cooper, W E, ...

Inclusive hadronic production cross sections measured in proton-nucleus collisions at $\sqrt{s} = 27.4 GeV$ (1990)

Crittenden, James Arthur, Hsiung, Y B, Kaplan, D M, Hubbard, John R, Mangeot, Philippe, Peisert, Anna, ...

Letter of Intent by the Solenoidal Detector Collaboration to construct and operate a detector at the Superconducting Super Collider (1990)

SDC Collaboration, Trilling, GH, Berger, EL, Blair, RE, Dawson, JW, Ekenberg, TL, ...

Expression of interest by the Solenoidal Detector Collaboration to construct and operate a detector at the Superconducting Super Collider (1990)

SDC Collaboration, Trilling, GH, Berger, EL, Blair, RE, Dawson, JW, Derrick, M, ...

AFTER EFFECTS OF EC-DECAY 57Co - LABELLED TRIS (OXINATO) COBALT (III) AND TRIS (β-DIKETONATO) COBALT( I I I ) (1979)

Endo, K., Harada, M., Sakai, Y., Sano, H.

The emission Mössbauer spectra of diamagnetic (S=O) 57Co-labelled tris(oxinato) cobalt (III) and tris (β-diketonato) cobalt (III) were compared with the absorption spectra of paramagnetic...

PARTIAL QUADRUPOLE SPLITTING OF Fe-57 SPECIES PRODUCED FROM Co-57-LABELLED WERNER COMPLEXES (1979)

Sakai, Y., Harada, M., Endo, K., Sano, H.

The quadrupole splitting values of the species produced from the 57Co(EC) 57Fe process were investigated in the various 57Co-labelled Werner-type co-ordination compounds. One of the two components of...

AFTER EFFECTS OF EC-DECAY 57Co - LABELLED TRIS (OXINATO) COBALT (III) AND TRIS (β-DIKETONATO) COBALT( I I I ) (1979)

Endo, K., Harada, M., Sakai, Y., Sano, H.

The emission Mössbauer spectra of diamagnetic (S=O) 57Co-labelled tris(oxinato) cobalt (III) and tris (β-diketonato) cobalt (III) were compared with the absorption spectra of paramagnetic...

PARTIAL QUADRUPOLE SPLITTING OF Fe-57 SPECIES PRODUCED FROM Co-57-LABELLED WERNER COMPLEXES (1979)

Sakai, Y., Harada, M., Endo, K., Sano, H.

The quadrupole splitting values of the species produced from the 57Co(EC) 57Fe process were investigated in the various 57Co-labelled Werner-type co-ordination compounds. One of the two components of...

The Cathode Effects on the Mean Energy of Electron Swarm in Argon (1972)

Sakai, Y, Tagashira, H, Sakamoto, S

THE CKM MATRIX AND THE UNITARITY TRIANGLE

Abbaneo, D., Ali, A., Amaral, P., Andreev, V., Artuso, M., Barberio, E., ...

This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...

Development of HTLV-I associated myelopathy (HAM) in a seroconverted patient for antibody to HTLV-I.

Sakai, Y, Yao, H, Sadoshima, S, Fujishima, M, Okochi, K

Genetic evidence for CFTR dysfunction in Japanese: background for chronic pancreatitis

Fujiki, K, Ishiguro, H, Ko, S, Mizuno, N, Suzuki, Y, Takemura, T, ...

Relationship Between Percutaneous Transhepatic Cholangioscopy Findings and Pattern of Carcinomatous Spread in the Bile Duct

Sato, M., Maetani, I., Ohashi, S., Ogawa, S., Anzai, T., Hoshi, H., ...

To clarify the relationship between percutaneous transhepatic cholangioscopic findings such as papillogranular surface and vascular dilation, which are reportedly characteristic of carcinoma, and the...

Lack of Methylene Blue Staining in Superficial Epithelia as a Possible Marker for Superficial Lateral Spread of Bile Duct Cancer

Maetani, I., Ogawa, S., Sato, M., Igarashi, Y., Sakai, Y., Shibuya, K.

Longitudinal cancer spread is very important for staging of resectability in bile duct cancer. We verified the difference in methylene blue staining properties between cancerous and noncancerous...

Endoscopy in the Diagnosis of Small Intestinal Tumors

Kawaguchi, M., Saitou, Y., Sakai, Y., Tani, Y., Midorikawa, S., Sanji, T., ...

The importance of endoscopy in the diagnosis of small intestinal tumors was evaluated in 15 patients with small intestinal tumors treated in our hospital. Two tumors were benign, and 13 were...

Contralateral pharyngeal paralysis caused by medial medullary infarction

Nakajima, M, Inoue, M, Sakai, Y

Book reviews

H. Lorenz, S. Grosskopf, V. Caspari, Y. Sakai, O. Becker, D. Bös, ...

Analysis of soft X-ray multilayer interfaces by grazing incidence small angle X-ray scattering 2008-11-17 - 2008-11-20

E. Majkova, P. Siffalovic, L. Chitu, M. Jergel, ...

Talk

a

N. Takashimizu, T. Sasaki, H. Miyata, T. Aso, K. Miyano, N. Nakajima, ...

production in two-photon processes

Significance of nerve growth factor overexpression and its autocrine loop in oesophageal squamous cell carcinoma

Tsunoda, S, Okumura, T, Ito, T, Mori, Y, Soma, T, Watanabe, G, ...

Nerve growth factor (NGF) is overexpressed not only in nervous system, but also in several types of cancers. However, the role of NGF in oesophageal squamous cell carcinoma (OESCC) remains unclear....