4,297 results on '"Okamura T"'
Search Results
2. Spin dependence in the $p$-wave resonance of ${^{139}\vec{\rm{La}}+\vec{n}}$
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Okudaira, T., Nakabe, R., Endo, S., Fujioka, H., Gudkov, V., Ide, I., Ino, T., Ishikado, M., Kambara, W., Kawamura, S., Kobayashi, R., Kitaguchi, M., Okamura, T., Oku, T., Munoz, J. G. Otero, Parker, J. D., Sakai, K., Shima, T., Shimizu, H. M., Shinohara, T., Snow, W. M., Takada, S., Tsuchikawa, Y., Takahashi, R., Takahashi, S., Yoshikawa, H., and Yoshioka, T.
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Nuclear Experiment - Abstract
We measured the spin dependence in a neutron-induced $p$-wave resonance by using a polarized epithermal neutron beam and a polarized nuclear target. Our study focuses on the 0.75~eV $p$-wave resonance state of $^{139}$La+$n$, where largely enhanced parity violation has been observed. We determined the partial neutron width of the $p$-wave resonance by measuring the spin dependence of the neutron absorption cross section between polarized $^{139}\rm{La}$ and polarized neutrons. Our findings serve as a foundation for the quantitative study of the enhancement effect of the discrete symmetry violations caused by mixing between partial amplitudes in the compound nuclei.
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- 2023
3. Relationship between sleep duration and clustering of metabolic syndrome diagnostic components
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Katano S, Nakamura Y, Nakamura A, Murakami Y, Tanaka T, Takebayashi T, Okayama A, Miura K, Okamura T, and Ueshima H
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Specialties of internal medicine ,RC581-951 - Abstract
Sayuri Katano1, Yasuyuki Nakamura1,2, Aki Nakamura1, Yoshitaka Murakami3, Taichiro Tanaka4, Toru Takebayashi5, Akira Okayama6, Katsuyuki Miura2, Tomonori Okamura7, Hirotsugu Ueshima2, for HIPOP-OHP Research Group1Cardiovascular Epidemiology, Kyoto Women's University, Kyoto, Japan; 2Department of Health Science, Shiga University of Medical Science, Otsu, Japan; 3Department of Medical Statistics, Shiga University of Medical Science, Otsu, Japan; 4Department of Health Sciences, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Chuo, Japan; 5Department of Preventive Medicine and Public Health, School of Medicine, Keio University, Tokyo, Japan; 6The First Institute of Health Service, Japan Anti-Tuberculosis Association, Tokyo, Japan; 7Department of Preventive Cardiology, National Cardiovascular Center, Suita, JapanObjective: To examine the relation between sleep duration and metabolic syndrome (MetS).Methods: We examined the baseline data from 4356 healthy workers (3556 men and 800 women) aged 19–69 years. The physical activity of each participant was classified according to the International Physical Activity Questionnaire (IPAQ). We defined four components of MetS diagnostic components in this study as follows: 1) high blood pressure (BP) systolic BP [SBP] ≥ 130 mmHg, or diastolic BP [DBP] ≥ 85 mmHg, or on medication; 2) dyslipidemia (high-density lipoprotein-cholesterol concentration ,40 mg/dL, or triglycerides concentration ≥150 mg/dL, or on medication; 3) impaired glucose tolerance (fasting blood sugar concentration ≥ 110 mg/dL, or if less than 8 hours after meals ≥ 140 mg/dL), or on medication; and 4) overweight (body mass index [BMI] ≥ 25 kg/m2), or obesity (BMI ≥ 30 kg/m2). There were 680 participants in the group, with sleep duration
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- 2011
4. Cavitating Flow Calculations in Industry
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Dupont P. and Okamura T.
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Engineering (General). Civil engineering (General) ,TA1-2040 - Published
- 2003
5. Identifying prognostic biomarkers for palbociclib add-on therapy in fulvestrant-resistant breast cancer using cell-free DNA sequencing
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Takeshita, T., Iwamoto, T., Niikura, N., Watanabe, K., Kikawa, Y., Kobayashi, K., Iwakuma, N., Okamura, T., Tada, H., Ozaki, S., Okuno, T., Toh, U., Yamamoto, Y., Tsuneizumi, M., Ishiguro, H., Masuda, N., and Saji, S.
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- 2024
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6. Optimizing neutron moderators for a spallation-driven ultracold-neutron source at TRIUMF
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Schreyer, W., Davis, C. A., Kawasaki, S., Kikawa, T., Marshall, C., Mishima, K., Okamura, T., and Picker, R.
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Physics - Instrumentation and Detectors ,Nuclear Experiment ,Physics - Accelerator Physics - Abstract
We report on our efforts to optimize the geometry of neutron moderators and converters for the TRIUMF UltraCold Advanced Neutron (TUCAN) source using MCNP simulations. It will use an existing spallation neutron source driven by a 19.3 kW proton beam delivered by TRIUMF's 520 MeV cyclotron. Spallation neutrons will be moderated in heavy water at room temperature and in liquid deuterium at 20 K, and then superthermally converted to ultracold neutrons in superfluid, isotopically purified $^4$He. The helium will be cooled by a $^3$He fridge through a $^3$He-$^4$He heat exchanger. The optimization took into account a range of engineering and safety requirements and guided the detailed design of the source. The predicted ultracold-neutron density delivered to a typical experiment is maximized for a production volume of 27 L, achieving a production rate of $1.4 \cdot 10^7$ s$^{-1}$ to $1.6 \cdot 10^7$ s$^{-1}$ with a heat load of 8.1 W. At that heat load, the fridge can cool the superfluid helium to 1.1 K, resulting in a storage lifetime for ultracold neutrons in the source of about 30 s. The most critical performance parameters are the choice of cold moderator and the volume, thickness, and material of the vessel containing the superfluid helium. The source is scheduled to be installed in 2021 and will enable the TUCAN collaboration to measure the electric dipole moment of the neutron with a sensitivity of $10^{-27}$ e cm.
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- 2019
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7. J-PARC Neutrino Beamline Upgrade Technical Design Report
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Abe, K., Aihara, H., Ajmi, A., Alt, C., Andreopoulos, C., Antonova, M., Aoki, S., Asada, Y., Ashida, Y., Atherton, A., Atkin, E., Ban, S., Barbato, F. C. T., Barbi, M., Barker, G. J., Barr, G., Batkiewicz, M., Beloshapkin, A., Berardi, V., Berns, L., Bhadra, S., Bian, J., Bienstock, S., Blondel, A., Bolognesi, S., Borg, J., Bourguille, B., Boyd, S. B., Brailsford, D., Bravar, A., Bron, S., Bronner, C., Avanzini, M. Buizza, Calabria, N. F., Calcutt, J., Calland, R. G., Calvet, D., Campbell, T., Cao, S., Cartwright, S. L., Catanesi, M. G., Cervera, A., Chappell, A., Cherdack, D., Chikuma, N., Christodoulou, G., Cicerchia, M., Clifton, A., Cogo, G., Coleman, J., Collazuol, G., Coplowe, D., Cudd, A., Dabrowska, A., Delbart, A., De Roeck, A., De Rosa, G., Dealtry, T., Dell'acqua, A., Denner, P. F., Dennis, S. R., Densham, C., Dewhurst, D., Di Lodovico, F., Dolan, S., Dokania, N., Doqua, D., Drapier, O., Duffy, K. E., Dumarchez, J., Dunne, P. J., Dziewiecki, M., Eklund, L., Emery-Schrenk, S., Fedotov, S., Fernandez, P., Feusels, T., Finch, A. J., Fiorentini, G. A., Fiorillo, G., Fitton, M., Friend, M., Fujii, Y., Fujita, R., Fukuda, D., Fukuda, R., Fukuda, Y., Fusshoeller, K., Gendotti, A., Giganti, C., Gizzarelli, F., Gonin, M., Gorin, A., Gramegna, F., Guigue, M., Hadley, D. R., Haigh, J. T., Hallsjö, S. -P., Hamacher-Baumann, P., Hansen, D., Harada, J., Hartz, M., Hasegawa, T., Hastings, N. C., Hayato, Y., Hiramoto, A., Hogan, M., Holeczek, J., Iacob, F., Ichikawa, A. K., Ikeda, M., Imber, J., Ishida, T., Ishii, T., Ishitsuka, M., Iwai, E., Iwamoto, K., Izmaylov, A., Jamieson, B., Jiang, M., Johnson, S., Jonsson, P., Jung, C. K., Kabirnezhad, M., Kaboth, A. C., Kajita, T., Kakuno, H., Kameda, J., Kasetti, S., Kataoka, Y., Katori, T., Kearns, E., Khabibullin, M., Khotjantsev, A., Kikawa, T., Kim, H., King, S., Kisiel, J., Knight, A., Knox, A., Kobayashi, T., Koch, L., Konaka, A., Kormos, L. L., Korzenev, A., Koshio, Y., Kowalik, K., Kropp, W., Kudenko, Y., Kuribayashi, S., Kurjata, R., Kutter, T., Kuze, M., Labarga, L., Lagoda, J., Lamont, I., Lamoureux, M., Last, D., Laveder, M., Lawe, M., Lindner, T., Liptak, Z. J., Litchfield, R. P., Liu, S., Long, K. R., Longhin, A., Lopez, J. P., Ludovici, L., Lu, X., Lux, T., Magaletti, L., Magro, L., Mahn, K., Malek, M., Manly, S., Marchi, T., Maret, L., Marino, A. D., Martin, J. F., Martynenko, S., Maruyama, T., Matsubara, T., Matsushita, K., Matveev, V., Mauger, C., Mavrokoridis, K., Mazzucato, E., McCarthy, M., McCauley, N., McFarland, K. S., McGrew, C., Mefodiev, A., Metelko, C., Mezzetto, M., Mijakowski, P., Mijakowski, J., Minamino, A., Mineev, O., Mine, S., Missert, A., Miura, M., Bueno, L. Molina, Moriyama, S., Morrison, J., Mueller, Th. A., Murphy, S., Nagai, Y., Nakadaira, T., Nakahata, M., Nakajima, Y., Nakamura, A., Nakamura, K. G., Nakamura, K., Nakayama, S., Nakaya, T., Nakayoshi, K., Nantais, C., Ngoc, T. V., Nishikawa, K., Nishimura, Y., Nonnenmacher, T., Nova, F., Novella, P., Nowak, J., Nugent, J. C., O'Keeffe, H. M., Odagawa, T., Ohta, R., Okamoto, K., Okumura, K., Okusawa, T., Ovsyannikova, T., Owen, R. A., Oyama, Y., Palladino, V., Paolone, V., Pari, M., Parker, W., Parsa, S., Pasternak, J., Pastore, C., Pavin, M., Payne, D., Perkin, J. D., Pickard, L., Pickering, L., Guerra, E. S. Pinzon, Popov, B., Posiadala-Zezula, M., Poutissou, J. -M., Poutissou, R., Pozimski, J., Przewlocki, P., Przybilsk, H., Quilain, B., Radermacher, T., Radicioni, E., Radics, B., Ratoff, P. N., Reinherz-Aronis, E., Riccio, C., Rojas, P., Rondio, E., Rossi, B., Roth, S., Rubbia, A., Ruggeri, A. C., Ruggles, C. A., Rychter, A., Sakashita, K., Sánchez, F., Schloesser, C. M., Scholberg, K., Schwehr, J., Scott, M., Seiya, Y., Sekiguchi, T., Sekiya, H., Sgalaberna, D., Shaikina, A., Shah, R., Shaikhiev, A., Shaker, F., Shaw, D., Shiozawa, M., Shirahige, T., Shorrock, W., Smirnov, A., Smy, M., Sobczyk, J. T., Sobel, H., Soler, F. J. P., Southwell, L., Spina, R., Steinmann, J., Stewart, T., Stowell, P., Suvorov, S., Suzuki, A., Suzuki, S. Y., Suzuki, Y., Swierblewski, J., Szeptycka, M., Szoldos, S., Sztuc, A., Tacik, R., Tada, M., Tajima, M., Takeda, A., Takeuchi, Y., Tanaka, H. K., Tanaka, H. A., Thompson, L. F., Toki, W., Tomura, T., Touramanis, C., Tsui, K., Tsukamoto, T., Tzanov, M., Uchida, M. A., Uchida, Y., Vagins, M., Van, N. H., Vasseur, G., Viant, T., Vilela, C., Wachala, T., Walter, C. W., Wang, Y., Wark, D., Wascko, M. O., Weber, A., Wendell, R., Wilkes, R. J., Wilking, M. J., Wilson, J. R., Wilson, R. J., Wood, K., Wret, C., Yamada, Y., Yamamoto, K., Yanagisawa, C., Yang, G., Yano, T., Yasutome, K., Yen, S., Yershov, N., Yokoyama, M., Yoshida, T., Yuan, T., Yu, M., Zalewska, A., Zalipska, J., Zambelli, L., Zaremba, K., Ziembicki, M., Zimmerman, E. D., Zito, M., Hamada, E., Higashi, N., Hirose, E., Igarashi, Y., Iida, M., Iio, M., Ikeno, M., Kimura, N., Kurosawa, N., Makida, Y., Nakamoto, T., Ogitsu, T., Ohhata, H., Okada, R., Okamura, T., Onaka, M., Sasaki, K., Shimazaki, S., Shoji, M., Sugano, M., Tanaka, K., Tanaka, M., Terashima, A., Tomaru, T., Uchida, T., and Yoshida, M.
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Physics - Instrumentation and Detectors ,High Energy Physics - Experiment - Abstract
In this document, technical details of the upgrade plan of the J-PARC neutrino beamline for the extension of the T2K experiment are described. T2K has proposed to accumulate data corresponding to $2\times{}10^{22}$ protons-on-target in the next decade, aiming at an initial observation of CP violation with $3\sigma$ or higher significance in the case of maximal CP violation. Methods to increase the neutrino beam intensity, which are necessary to achieve the proposed data increase, are described.
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- 2019
8. Prospects for observing strongly lensed supernovae behind Hubble Frontier Fields galaxy clusters with the James Webb Space Telescope
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Petrushevska, T., Okamura, T., Kawamata, R., Hangard, L., Mahler, G., and Goobar, A.
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Astrophysics - Cosmology and Nongalactic Astrophysics - Abstract
Measuring time delays from strongly lensed supernovae (SNe) is emerging as a novel and independent tool for estimating the Hubble constant $(H_0)$. This is very important given the recent discord in the value of $H_0$ from two methods that probe different distance ranges. The success of this technique will rely of our ability to discover strongly lensed SNe with measurable time delays. Here, we present the magnifications and the time delays for the multiply-imaged galaxies behind the Hubble Frontier Fields (HFF) galaxy clusters, by using recently published lensing models. Continuing on our previous work done for Abell 1689 (A1689) and Abell 370, we also show the prospects of observing strongly lensed SNe behind the HFF clusters with the upcoming James Webb Space Telescope (JWST). With four 1-hour visits in one year, the summed expectations of all six HFF clusters are $\sim0.5$ core-collapse (CC) SNe and $\sim0.06$ Type Ia SNe (SNe Ia) in F115W band, while with F150W the expectations are higher, $\sim0.9$ CC SNe and $\sim0.06$ SNe Ia. These estimates match those expected by only surveying A1689, proving that the performance of A1689 as gravitational telescope is superior. In the five HFF clusters presented here, we find that F150W will be able to detect SNe Ia (SNe IIP) exploding in 93 (80) pairs multiply-imaged galaxies with time delays of less than 5 years., Comment: Published in Astronomy Reports, 2018, Vol. 62, No. 12, pp. 917-925
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- 2019
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9. COMET Phase-I Technical Design Report
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The COMET Collaboration, Abramishvili, R., Adamov, G., Akhmetshin, R. R., Allin, A., Angélique, J. C., Anishchik, V., Aoki, M., Aznabayev, D., Bagaturia, I., Ban, G., Ban, Y., Bauer, D., Baygarashev, D., Bondar, A. E., Cârloganu, C., Carniol, B., Chau, T. T., Chen, J. K., Chen, S. J., Cheung, Y. E., da Silva, W., Dauncey, P. D., Densham, C., Devidze, G., Dornan, P., Drutskoy, A., Duginov, V., Eguchi, Y., Epshteyn, L. B., Evtoukhovich, P., Fayer, S., Fedotovich, G. V., Finger Jr, M., Finger, M., Fujii, Y., Fukao, Y., Gabriel, J. L., Gay, P., Gillies, E., Grigoriev, D. N., Gritsay, K., Hai, V. H., Hamada, E., Hashim, I. H., Hashimoto, S., Hayashi, O., Hayashi, T., Hiasa, T., Ibrahim, Z. A., Igarashi, Y., Ignatov, F. V., Iio, M., Ishibashi, K., Issadykov, A., Itahashi, T., Jansen, A., Jiang, X. S., Jonsson, P., Kachelhoffer, T., Kalinnikov, V., Kaneva, E., Kapusta, F., Katayama, H., Kawagoe, K., Kawashima, R., Kazak, N., Kazanin, V. F., Kemularia, O., Khvedelidze, A., Koike, M., Kormoll, T., Kozlov, G. A., Kozyrev, A. N., Kravchenko, M., Krikler, B., Kumsiashvili, G., Kuno, Y., Kuriyama, Y., Kurochkin, Y., Kurup, A., Lagrange, B., Lai, J., Lee, M. J., Li, H. B., Litchfield, R. P., Li, W. G., Loan, T., Lomidze, D., Lomidze, I., Loveridge, P., Macharashvili, G., Makida, Y., Mao, Y. J., Markin, O., Matsuda, Y., Melkadze, A., Melnik, A., Mibe, T., Mihara, S., Miyamoto, N., Miyazaki, Y., Idris, F. Mohamad, Azmi, K. A. Mohamed Kamal, Moiseenko, A., Moritsu, M., Mori, Y., Motoishi, T., Nakai, H., Nakai, Y., Nakamoto, T., Nakamura, Y., Nakatsugawa, Y., Nakazawa, Y., Nash, J., Natori, H., Niess, V., Nioradze, M., Nishiguchi, H., Noguchi, K., Numao, T., O'Dell, J., Ogitsu, T., Ohta, S., Oishi, K., Okamoto, K., Okamura, T., Okinaka, K., Omori, C., Ota, T., Pasternak, J., Paulau, A., Picters, D., Ponariadov, V., Quémener, G., Ruban, A. A., Rusinov, V., Sabirov, B., Sakamoto, H., Sarin, P., Sasaki, K., Sato, A., Sato, J., Semertzidis, Y. K., Shigyo, N., Shoukavy, Dz., Slunecka, M., Stöckinger, D., Sugano, M., Tachimoto, T., Takayanagi, T., Tanaka, M., Tang, J., Tao, C. V., Teixeira, A. M., Tevzadze, Y., Thanh, T., Tojo, J., Tolmachev, S. S., Tomasek, M., Tomizawa, M., Toriashvili, T., Trang, H., Trekov, I., Tsamalaidze, Z., Tsverava, N., Uchida, T., Uchida, Y., Ueno, K., Velicheva, E., Volkov, A., Vrba, V., Abdullah, W. A. T. Wan, Warin-Charpentier, P., Wong, M. L., Wong, T. S., Wu, C., Xing, T. Y., Yamaguchi, H., Yamamoto, A., Yamanaka, M., Yamane, T., Yang, Y., Yano, T., Yao, W. C., Yeo, B., Yoshida, H., Yoshida, M., Yoshioka, T., Yuan, Y., Yudin, Yu. V., Zdorovets, M. V., Zhang, J., Zhang, Y., and Zuber, K.
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Physics - Instrumentation and Detectors ,High Energy Physics - Experiment - Abstract
The Technical Design for the COMET Phase-I experiment is presented in this paper. COMET is an experiment at J-PARC, Japan, which will search for neutrinoless conversion of muons into electrons in the field of an aluminium nucleus ($\mu-e$ conversion, $\mu^- N \to e^- N$); a lepton flavor violating process. The experimental sensitivity goal for this process in the Phase-I experiment is $3.1\times10^{-15}$, or 90 % upper limit of branching ratio of $7\times 10^{-15}$, which is a factor of 100 improvement over the existing limit. The expected number of background events is 0.032. To achieve the target sensitivity and background level, the 3.2 kW 8 GeV proton beam from J-PARC will be used. Two types of detectors, CyDet and StrECAL, will be used for detecting the \mue conversion events, and for measuring the beam-related background events in view of the Phase-II experiment, respectively. Results from simulation on signal and background estimations are also described., Comment: A minor correction applied in Eq. 3
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- 2018
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10. POS0446 INTERFERON SIGNATURE PREDICTS FLARES IN LUPUS PATIENTS ACHIEVING LOW DISEASE ACTIVITY, ACCOMPANIED BY THE ACTIVATION OF OXIDATIVE PHOSPHORYLATION AND CELL CYCLE
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Abe, T., primary, Itamiya, T., additional, Tsuchida, Y., additional, Tsuchiya, H., additional, Shoda, H., additional, Okamura, T., additional, and Fujio, K., additional
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- 2024
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11. OP0271 TRANSCRIPTOME AND REPERTOIRE ANALYSIS REVEALED PLASTICITY OF SYSTEMIC LUPUS ERYTHEMATOSUS REGULATORY T CELLS
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Fujio, K., primary, Nagafuchi, Y., additional, Nakano, M., additional, Ota, M., additional, Hatano, H., additional, Itamiya, T., additional, Okamura, T., additional, and Ishigaki, K., additional
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- 2024
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12. First ultracold neutrons produced at TRIUMF
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Ahmed, S., Altiere, E., Andalib, T., Bell, B., Bidinosti, C. P., Cudmore, E., Das, M., Davis, C. A., Franke, B., Gericke, M., Giampa, P., Gnyp, P., Hansen-Romu, S., Hatanaka, K., Hayamizu, T., Jamieson, B., Jones, D., Kawasaki, S., Kikawa, T., Kitaguchi, M., Klassen, W., Konaka, A., Korkmaz, E., Kuchler, F., Lang, M., Lee, L., Lindner, T., Madison, K. W., Makida, Y., Mammei, J., Mammei, R., Martin, J. W., Matsumiya, R., Miller, E., Mishima, K., Momose, T., Okamura, T., Page, S., Picker, R., Pierre, E., Ramsay, W. D., Rebenitsch, L., Rehm, F., Schreyer, W., Shimizu, H. M., Sidhu, S., Sikora, A., Smith, J., Tanihata, I., Thorsteinson, B., Vanbergen, S., van Oers, W. T. H., and Watanabe, Y. X.
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Physics - Instrumentation and Detectors ,Nuclear Experiment - Abstract
We installed a source for ultracold neutrons at a new, dedicated spallation target at TRIUMF. The source was originally developed in Japan and uses a superfluid-helium converter cooled to 0.9$\,$K. During an extensive test campaign in November 2017, we extracted up to 325000 ultracold neutrons after a one-minute irradiation of the target, over three times more than previously achieved with this source. The corresponding ultracold-neutron density in the whole production and guide volume is 5.3$\,$cm$^{-3}$. The storage lifetime of ultracold neutrons in the source was initially 37$\,$s and dropped to 24$\,$s during the eighteen days of operation. During continuous irradiation of the spallation target, we were able to detect a sustained ultracold-neutron rate of up to 1500$\,$s$^{-1}$. Simulations of UCN production, UCN transport, temperature-dependent UCN yield, and temperature-dependent storage lifetime show excellent agreement with the experimental data and confirm that the ultracold-neutron-upscattering rate in superfluid helium is proportional to $T^7$., Comment: 8 pages, 10 figures
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- 2018
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13. The LiteBIRD Satellite Mission - Sub-Kelvin Instrument
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Suzuki, A., Ade, P. A. R., Akiba, Y., Alonso, D., Arnold, K., Aumont, J., Baccigalupi, C., Barron, D., Basak, S., Beckman, S., Borrill, J., Boulanger, F., Bucher, M., Calabrese, E., Chinone, Y., Cho, H-M., Cukierman, A., Curtis, D. W., de Haan, T., Dobbs, M., Dominjon, A., Dotani, T., Duband, L., Ducout, A., Dunkley, J., Duval, J. M., Elleflot, T., Eriksen, H. K., Errard, J., Fischer, J., Fujino, T., Funaki, T., Fuskeland, U., Ganga, K., Goeckner-Wald, N., Grain, J., Halverson, N. W., Hamada, T., Hasebe, T., Hasegawa, M., Hattori, K., Hattori, M., Hayes, L., Hazumi, M., Hidehira, N., Hill, C. A., Hilton, G., Hubmayr, J., Ichiki, K., Iida, T., Imada, H., Inoue, M., Inoue, Y., D., K., Ishino, H., Jeong, O., Kanai, H., Kaneko, D., Kashima, S., Katayama, N., Kawasaki, T., Kernasovskiy, S. A., Keskitalo, R., Kibayashi, A., Kida, Y., Kimura, K., Kisner, T., Kohri, K., Komatsu, E., Komatsu, K., Kuo, C. L., Kurinsky, N. A., Kusaka, A., Lazarian, A., Lee, A. T., Li, D., Linder, E., Maffei, B., Mangilli, A., Maki, M., Matsumura, T., Matsuura, S., Meilhan, D., Mima, S., Minami, Y., Mitsuda, K., Montier, L., Nagai, M., Nagasaki, T., Nagata, R., Nakajima, M., Nakamura, S., Namikawa, T., Naruse, M., Nishino, H., Nitta, T., Noguchi, T., Ogawa, H., Oguri, S., Okada, N., Okamoto, A., Okamura, T., Otani, C., Patanchon, G., Pisano, G., Rebeiz, G., Remazeilles, M., Richards, P. L., Sakai, S., Sakurai, Y., Sato, Y., Sato, N., Sawada, M., Segawa, Y., Sekimoto, Y., Seljak, U., Sherwin, B. D., Shimizu, T., Shinozaki, K., Stompor, R., Sugai, H., Sugita, H., Suzuki, J., Tajima, O., Takada, S., Takaku, R., Takakura, S., Takatori, S., Tanabe, D., Taylor, E., Thompson, K. L., Thorne, B., Tomaru, T., Tomida, T., Tomita, N., Tristram, M., Tucker, C., Turin, P., Tsujimoto, M., Uozumi, S., Utsunomiya, S., Uzawa, Y., Vansyngel, F., Wehus, I. K., Westbrook, B., Willer, M., Whitehorn, N., Yamada, Y., Yamamoto, R., Yamasaki, N., Yamashita, T., and Yoshida, M.
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - Astrophysics of Galaxies - Abstract
Inflation is the leading theory of the first instant of the universe. Inflation, which postulates that the universe underwent a period of rapid expansion an instant after its birth, provides convincing explanation for cosmological observations. Recent advancements in detector technology have opened opportunities to explore primordial gravitational waves generated by the inflation through B-mode (divergent-free) polarization pattern embedded in the Cosmic Microwave Background anisotropies. If detected, these signals would provide strong evidence for inflation, point to the correct model for inflation, and open a window to physics at ultra-high energies. LiteBIRD is a satellite mission with a goal of detecting degree-and-larger-angular-scale B-mode polarization. LiteBIRD will observe at the second Lagrange point with a 400 mm diameter telescope and 2,622 detectors. It will survey the entire sky with 15 frequency bands from 40 to 400 GHz to measure and subtract foregrounds. The U.S. LiteBIRD team is proposing to deliver sub-Kelvin instruments that include detectors and readout electronics. A lenslet-coupled sinuous antenna array will cover low-frequency bands (40 GHz to 235 GHz) with four frequency arrangements of trichroic pixels. An orthomode-transducer-coupled corrugated horn array will cover high-frequency bands (280 GHz to 402 GHz) with three types of single frequency detectors. The detectors will be made with Transition Edge Sensor (TES) bolometers cooled to a 100 milli-Kelvin base temperature by an adiabatic demagnetization refrigerator.The TES bolometers will be read out using digital frequency multiplexing with Superconducting QUantum Interference Device (SQUID) amplifiers. Up to 78 bolometers will be multiplexed with a single SQUID amplidier. We report on the sub-Kelvin instrument design and ongoing developments for the LiteBIRD mission., Comment: 7 pages 2 figures Journal of Low Temperature Physics - Special edition - LTD17 Proceeding
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- 2018
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14. Spin dependence in the p -wave resonance of La139⃗+n⃗
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Okudaira, T., primary, Nakabe, R., additional, Auton, C. J., additional, Endo, S., additional, Fujioka, H., additional, Gudkov, V., additional, Ide, I., additional, Ino, T., additional, Ishikado, M., additional, Kambara, W., additional, Kawamura, S., additional, Kobayashi, R., additional, Kitaguchi, M., additional, Okamura, T., additional, Oku, T., additional, Otero Munoz, J. G., additional, Parker, J. D., additional, Sakai, K., additional, Shima, T., additional, Shimizu, H. M., additional, Shinohara, T., additional, Snow, W. M., additional, Takada, S., additional, Tsuchikawa, Y., additional, Takahashi, R., additional, Takahashi, S., additional, Yoshikawa, H., additional, and Yoshioka, T., additional
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- 2024
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15. Characteristics and causes of post-endoscopy Barrett’s adenocarcinoma
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Iwaya, Y., additional, Tsuchiya, T., additional, Koh, Y., additional, Ikeuchi, H., additional, Sawaguchi, H., additional, Hashigami, K., additional, Hirayama, A., additional, Okamura, T., additional, and Nagaya, T., additional
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- 2024
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16. Modeling atmospheric emission for CMB ground-based observations
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Errard, J., Ade, P. A. R., Akiba, Y., Arnold, K., Atlas, M., Baccigalupi, C., Barron, D., Boettger, D., Borrill, J., Chapman, S., Chinone, Y., Cukierman, A., Delabrouille, J., Dobbs, M., Ducout, A., Elleflot, T., Fabbian, G., Feng, C., Feeney, S., Gilbert, A., Goeckner-Wald, N., Halverson, N. W., Hasegawa, M., Hattori, K., Hazumi, M., Hill, C., Holzapfel, W. L., Hori, Y., Inoue, Y., Jaehnig, G. C., Jaffe, A. H., Jeong, O., Katayama, N., Kaufman, J., Keating, B., Kermish, Z., Keskitalo, R., Kisner, T., Jeune, M. Le, Lee, A. T., Leitch, E. M., Leon, D., Linder, E., Matsuda, F., Matsumura, T., Miller, N. J., Myers, M. J., Navaroli, M., Nishino, H., Okamura, T., Paar, H., Peloton, J., Poletti, D., Puglisi, G., Rebeiz, G., Reichardt, C. L., Richards, P. L., Ross, C., Rotermund, K. M., Schenck, D. E., Sherwin, B. D., Siritanasak, P., Smecher, G., Stebor, N., Steinbach, B., Stompor, R., Suzuki, A., Tajima, O., Takakura, S., Tikhomirov, A., Tomaru, T., Whitehorn, N., Wilson, B., Yadav, A., and Zahn, O.
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Astrophysics - Instrumentation and Methods for Astrophysics ,Astrophysics - Cosmology and Nongalactic Astrophysics - Abstract
Atmosphere is one of the most important noise sources for ground-based cosmic microwave background (CMB) experiments. By increasing optical loading on the detectors, it amplifies their effective noise, while its fluctuations introduce spatial and temporal correlations between detected signals. We present a physically motivated 3d-model of the atmosphere total intensity emission in the millimeter and sub-millimeter wavelengths. We derive a new analytical estimate for the correlation between detectors time-ordered data as a function of the instrument and survey design, as well as several atmospheric parameters such as wind, relative humidity, temperature and turbulence characteristics. Using an original numerical computation, we examine the effect of each physical parameter on the correlations in the time series of a given experiment. We then use a parametric-likelihood approach to validate the modeling and estimate atmosphere parameters from the POLARBEAR-I project first season data set. We derive a new 1.0% upper limit on the linear polarization fraction of atmospheric emission. We also compare our results to previous studies and weather station measurements. The proposed model can be used for realistic simulations of future ground-based CMB observations., Comment: 20 pages, 16 figures
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- 2015
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17. Centrifuge model tests and effective stress analyses of offshore wind turbine systems with a suction bucket foundation subject to seismic load
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Ueda, K., Uzuoka, R., Iai, S., and Okamura, T.
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- 2020
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18. Optimizing neutron moderators for a spallation-driven ultracold-neutron source at TRIUMF
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Schreyer, W., Davis, C.A., Kawasaki, S., Kikawa, T., Marshall, C., Mishima, K., Okamura, T., and Picker, R.
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- 2020
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19. LiteBIRD: Mission Overview and Focal Plane Layout
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Matsumura, T, Akiba, Y, Arnold, K, Borrill, J, Chendra, R, Chinone, Y, Cukierman, A, de Haan, T, Dobbs, M, Dominjon, A, Elleflot, T, Errard, J, Fujino, T, Fuke, H, Goeckner-wald, N, Halverson, N, Harvey, P, Hasegawa, M, Hattori, K, Hattori, M, Hazumi, M, Hill, C, Hilton, G, Holzapfel, W, Hori, Y, Hubmayr, J, Ichiki, K, Inatani, J, Inoue, M, Inoue, Y, Irie, F, Irwin, K, Ishino, H, Ishitsuka, H, Jeong, O, Karatsu, K, Kashima, S, Katayama, N, Kawano, I, Keating, B, Kibayashi, A, Kibe, Y, Kida, Y, Kimura, K, Kimura, N, Kohri, K, Komatsu, E, Kuo, CL, Kuromiya, S, Kusaka, A, Lee, A, Linder, E, Matsuhara, H, Matsuoka, S, Matsuura, S, Mima, S, Mitsuda, K, Mizukami, K, Morii, H, Morishima, T, Nagai, M, Nagasaki, T, Nagata, R, Nakajima, M, Nakamura, S, Namikawa, T, Naruse, M, Natsume, K, Nishibori, T, Nishijo, K, Nishino, H, Nitta, T, Noda, A, Noguchi, T, Ogawa, H, Oguri, S, Ohta, IS, Otani, C, Okada, N, Okamoto, A, Okamura, T, Rebeiz, G, Richards, P, Sakai, S, Sato, N, Sato, Y, Segawa, Y, Sekiguchi, S, Sekimoto, Y, Sekine, M, Seljak, U, Sherwin, B, Shinozaki, K, Shu, S, Stompor, R, Sugai, H, Sugita, H, Suzuki, T, and Suzuki, A
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Particle and High Energy Physics ,Physical Sciences ,Inflation ,CMB ,Polarization ,Primordial B-mode ,TES bolometer ,MKID ,Satellite ,Mathematical Physics ,Classical Physics ,Condensed Matter Physics ,General Physics ,Classical physics ,Condensed matter physics - Abstract
LiteBIRD is a proposed CMB polarization satellite project to probe the inflationary B-mode signal. The satellite is designed to measure the tensor-to-scalar ratio with a 68 % confidence level uncertainty of σr< 10 - 3, including statistical, instrumental systematic, and foreground uncertainties. LiteBIRD will observe the full sky from the second Lagrange point for 3 years. We have a focal plane layout for observing frequency coverage that spans 40–402 GHz to characterize the galactic foregrounds. We have two detector candidates, transition-edge sensor bolometers and microwave kinetic inductance detectors. In both cases, a telecentric focal plane consists of approximately 2 × 10 3 superconducting detectors. We will present the mission overview of LiteBIRD, the project status, and the TES focal plane layout.
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- 2016
20. Development and characterization of the readout system for POLARBEAR-2
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Barron, D., Ade, P. A. R., Akiba, Y., Aleman, C., Arnold, K., Atlas, M., Bender, A., Boettger, D., Borrill, J., Chapman, S., Chinone, Y., Cukierman, A., Dobbs, M., Elleflot, T., Errard, J., Fabbian, G., Feng, C., Gilbert, A., Goeckner-Wald, N., Halverson, N. W., Hasegawa, M., Hattori, K., Hazumi, M., Holzapfel, W. L., Hori, Y., Inoue, Y., Jaehnig, G. C., Jaffe, A. H., Katayama, N., Keating, B., Kermish, Z., Keskitalo, R., Kisner, T., Jeune, M. Le, Lee, A. T., Leitch, E. M., Linder, E., Matsuda, F., Matsumura, T., Meng, X., Morii, H., Myers, M. J., Navaroli, M., Nishino, H., Okamura, T., Paar, H., Peloton, J., Poletti, D., Raum, C., Rebeiz, G., Reichardt, C. L., Richards, P. L., Ross, C., Rotermund, K., Schenck, D. E., Sherwin, B. D., Shirley, I., Sholl, M., Siritanasak, P., Smecher, G., Stebor, N., Steinbach, B., Stompor, R., Suzuki, A., Suzuki, J., Takada, S., Takakura, S., Tomaru, T., Wilson, B., Yadav, A., Yamaguchi, H., and Zahn, O.
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
POLARBEAR-2 is a next-generation receiver for precision measurements of the polarization of the cosmic microwave background (Cosmic Microwave Background (CMB)). Scheduled to deploy in early 2015, it will observe alongside the existing POLARBEAR-1 receiver, on a new telescope in the Simons Array on Cerro Toco in the Atacama desert of Chile. For increased sensitivity, it will feature a larger area focal plane, with a total of 7,588 polarization sensitive antenna-coupled Transition Edge Sensor (TES) bolometers, with a design sensitivity of 4.1 uKrt(s). The focal plane will be cooled to 250 milliKelvin, and the bolometers will be read-out with 40x frequency domain multiplexing, with 36 optical bolometers on a single SQUID amplifier, along with 2 dark bolometers and 2 calibration resistors. To increase the multiplexing factor from 8x for POLARBEAR-1 to 40x for POLARBEAR-2 requires additional bandwidth for SQUID readout and well-defined frequency channel spacing. Extending to these higher frequencies requires new components and design for the LC filters which define channel spacing. The LC filters are cold resonant circuits with an inductor and capacitor in series with each bolometer, and stray inductance in the wiring and equivalent series resistance from the capacitors can affect bolometer operation. We present results from characterizing these new readout components. Integration of the readout system is being done first on a small scale, to ensure that the readout system does not affect bolometer sensitivity or stability, and to validate the overall system before expansion into the full receiver. We present the status of readout integration, and the initial results and status of components for the full array., Comment: Presented at SPIE Astronomical Telescopes and Instrumentation 2014: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII. Published in Proceedings of SPIE Volume 9153
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- 2014
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21. POLARBEAR constraints on cosmic birefringence and primordial magnetic fields
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Ade, PAR, Arnold, K, Atlas, M, Baccigalupi, C, Barron, D, Boettger, D, Borrill, J, Chapman, S, Chinone, Y, Cukierman, A, Dobbs, M, Ducout, A, Dunner, R, Elleflot, T, Errard, J, Fabbian, G, Feeney, S, Feng, C, Gilbert, A, Goeckner-Wald, N, Groh, J, Hall, G, Halverson, NW, Hasegawa, M, Hattori, K, Hazumi, M, Hill, C, Holzapfel, WL, Hori, Y, Howe, L, Inoue, Y, Jaehnig, GC, Jaffe, AH, Jeong, O, Katayama, N, Kaufman, JP, Keating, B, Kermish, Z, Keskitalo, R, Kisner, T, Kusaka, A, Le Jeune, M, Lee, AT, Leitch, EM, Leon, D, Li, Y, Linder, E, Lowry, L, Matsuda, F, Matsumura, T, Miller, N, Montgomery, J, Myers, MJ, Navaroli, M, Nishino, H, Okamura, T, Paar, H, Peloton, J, Pogosian, L, Poletti, D, Puglisi, G, Raum, C, Rebeiz, G, Reichardt, CL, Richards, PL, Ross, C, Rotermund, KM, Schenck, DE, Sherwin, BD, Shimon, M, Shirley, I, Siritanasak, P, Smecher, G, Stebor, N, Steinbach, B, Suzuki, A, Suzuki, JI, Tajima, O, Takakura, S, Tikhomirov, A, Tomaru, T, Whitehorn, N, Wilson, B, Yadav, A, Zahn, A, and Zahn, O
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astro-ph.CO ,Nuclear & Particles Physics ,Astronomical and Space Sciences ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Quantum Physics ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics - Abstract
We constrain anisotropic cosmic birefringence using four-point correlations of even-parity E-mode and odd-parity B-mode polarization in the cosmic microwave background measurements made by the POLARization of the Background Radiation (POLARBEAR) experiment in its first season of observations. We find that the anisotropic cosmic birefringence signal from any parity-violating processes is consistent with zero. The Faraday rotation from anisotropic cosmic birefringence can be compared with the equivalent quantity generated by primordial magnetic fields if they existed. The POLARBEAR nondetection translates into a 95% confidence level (C.L.) upper limit of 93 nanogauss (nG) on the amplitude of an equivalent primordial magnetic field inclusive of systematic uncertainties. This four-point correlation constraint on Faraday rotation is about 15 times tighter than the upper limit of 1380 nG inferred from constraining the contribution of Faraday rotation to two-point correlations of B-modes measured by Planck in 2015. Metric perturbations sourced by primordial magnetic fields would also contribute to the B-mode power spectrum. Using the POLARBEAR measurements of the B-mode power spectrum (two-point correlation), we set a 95% C.L. upper limit of 3.9 nG on primordial magnetic fields assuming a flat prior on the field amplitude. This limit is comparable to what was found in the Planck 2015 two-point correlation analysis with both temperature and polarization. We perform a set of systematic error tests and find no evidence for contamination. This work marks the first time that anisotropic cosmic birefringence or primordial magnetic fields have been constrained from the ground at subdegree scales.
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- 2015
22. First Muon-Neutrino Disappearance Study with an Off-Axis Beam
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T2K Collaboration, Abe, K., Abgrall, N., Ajima, Y., Aihara, H., Albert, J. B., Andreopoulos, C., Andrieu, B., Anerella, M. D., Aoki, S., Araoka, O., Argyriades, J., Ariga, A., Ariga, T., Assylbekov, S., Autiero, D., Badertscher, A., Barbi, M., Barker, G. J., Barr, G., Bass, M., Batkiewicz, M., Bay, F., Bentham, S., Berardi, V., Berger, B. E., Bertram, I., Besnier, M., Beucher, J., Beznosko, D., Bhadra, S., Blaszczyk, F. d. M., Blocki, J., Blondel, A., Bojechko, C., Bouchez, J., Boyd, S. B., Bravar, A., Bronner, C., Brook-Roberge, D. G., Buchanan, N., Budd, H., Calland, R., Calvet, D., Rodriguez, J. Caravaca, Cartwright, S. L., Carver, A., Castillo, R., Catanesi, M. G., Cazes, A., Cervera, A., Chavez, C., Choi, S., Christodoulou, G., Coleman, J., Collazuol, G., Coleman, W., Connolly, K., Curioni, A., Dabrowska, A., Danko, I., Das, R., Davies, G. S., Davis, S., Day, M., De Rosa, G., de André, J. P. A. M., de Perio, P., Dealtry, T., Delbart, A., Densham, C., Di Lodovico, F., Di Luise, S., Tran, P. Dinh, Dobson, J., Dore, U., Drapier, O., Duboyski, T., Dufour, F., Dumarchez, J., Dytman, S., Dziewiecki, M., Dziomba, M., Emery, S., Ereditato, A., Escallier, J. E., Escudero, L., Esposito, L. S., Fechner, M., Ferrero, A., Finch, A. J., Frank, E., Fujii, Y., Fukuda, Y., Galymov, V., Ganetis, G. L., Gannaway, F. C., Gaudin, A., Gendotti, A., George, M. A., Giffin, S., Giganti, C., Gilje, K., Ghosh, A. K., Golan, T., Goldhaber, M., Gomez-Cadenas, J. J., Gomi, S., Gonin, M., Grant, N., Grant, A., Gumplinger, P., Guzowski, P., Hadley, D. R., Haesler, A., Haigh, M. D., Hamano, K., Hansen, C., Hansen, D., Hara, T., Harrison, P. F., Hartfiel, B., Hartz, M., Haruyama, T., Hasegawa, T., Hastings, N. C., Hatzikoutelis, A., Hayashi, K., Hayato, Y., Hearty, C., Helmer, R. L., Henderson, R., Higashi, N., Hignight, J., Hillairet, A., Hiraki, T., Hirose, E., Holeczek, J., Horikawa, S., Huang, K., Hyndman, A., Ichikawa, A. K., Ieki, K., Ieva, M., Iida, M., Ikeda, M., Ilic, J., Imber, J., Ishida, T., Ishihara, C., Ishii, T., Ives, S. J., Iwasaki, M., Iyogi, K., Izmaylov, A., Jamieson, B., Johnson, R. A., Joo, K. K., Jover-Manas, G. V., Jung, C. K., Kaji, H., Kajita, T., Kakuno, H., Kameda, J., Kaneyuki, K., Karlen, D., Kasami, K., Kato, I., Kawamuko, H., Kearns, E., Khabibullin, M., Khanam, F., Khotjantsev, A., Kielczewska, D., Kikawa, T., Kim, J., Kim, J. Y., Kim, S. B., Kimura, N., Kirby, B., Kisiel, J., Kitching, P., Kobayashi, T., Kogan, G., Koike, S., Konaka, A., Kormos, L. L., Korzenev, A., Koseki, K., Koshio, Y., Kouzuma, Y., Kowalik, K., Kravtsov, V., Kreslo, I., Kropp, W., Kubo, H., Kubota, J., Kudenko, Y., Kulkarni, N., Kurimoto, Y., Kurjata, R., Kutter, T., Lagoda, J., Laihem, K., Laing, A., Laveder, M., Lawe, M., Lee, K. P., Le, P. T., Levy, J. M., Licciardi, C., Lim, I. T., Lindner, T., Lister, C., Litchfield, R. P., Litos, M., Longhin, A., Lopez, G. D., Loverre, P. F., Ludovici, L., Lux, T., Macaire, M., Magaletti, L., Mahn, K., Makida, Y., Malek, M., Manly, S., Marchionni, A., Marino, A. D., Marone, A. J., Marteau, J., Martin, J. F., Maruyama, T., Maryon, T., Marzec, J., Masliah, P., Mathie, E. L., Matsumura, C., Matsuoka, K., Matveev, V., Mavrokoridis, K., Mazzucato, E., McCauley, N., McFarland, K. S., McGrew, C., McLachlan, T., Messina, M., Metcalf, W., Metelko, C., Mezzetto, M., Mijakowski, P., Miller, C. A., Minamino, A., Mineev, O., Mine, S., Missert, A. D., Mituka, G., Miura, M., Mizouchi, K., Monfregola, L., Moreau, F., Morgan, B., Moriyama, S., Muir, A., Murakami, A., Muratore, J. F., Murdoch, M., Murphy, S., Myslik, J., Nagai, N., Nakadaira, T., Nakahata, M., Nakai, T., Nakajima, K., Nakamoto, T., Nakamura, K., Nakayama, S., Nakaya, T., Nakayoshi, K., Naples, D., Navin, M. L., Nicholls, T. C., Nielsen, B., Nielsen, C., Nishikawa, K., Nishino, H., Nitta, K., Nobuhara, T., Nowak, J. A., Obayashi, Y., Ogitsu, T., Ohhata, H., Okamura, T., Okumura, K., Okusawa, T., Oser, S. M., Otani, M., Owen, R. A., Oyama, Y., Ozaki, T., Pac, M. Y., Palladino, V., Paolone, V., Paul, P., Payne, D., Pearce, G. F., Perkin, J. D., Pettinacci, V., Pierre, F., Poplawska, E., Popov, B., Posiadala, M., Poutissou, J. -M., Poutissou, R., Przewlocki, P., Qian, W., Raaf, J. L., Radicioni, E., Ratoff, P. N., Raufer, T. M., Ravonel, M., Raymond, M., Retiere, F., Robert, A., Rodrigues, P. A., Rondio, E., Roney, J. M., Rossi, B., Roth, S., Rubbia, A., Ruterbories, D., Sabouri, S., Sacco, R., Sakashita, K., Sánchez, F., Sarrat, A., Sasaki, K., Scholberg, K., Schwehr, J., Scott, M., Scully, D. I., Seiya, Y., Sekiguchi, T., Sekiya, H., Shibata, M., Shimizu, Y., Shiozawa, M., Short, S., Sinclair, P. D., Siyad, M., Smith, B. M., Smith, R. J., Smy, M., Sobczyk, J. T., Sobel, H., Sorel, M., Stahl, A., Stamoulis, P., Steinmann, J., Still, B., Stone, J., Stodulski, M., Strabel, C., Sulej, R., Suzuki, A., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Y., Swierblewski, J., Szeglowski, T., Szeptycka, M., Tacik, R., Tada, M., Taguchi, M., Takahashi, S., Takeda, A., Takenaga, Y., Takeuchi, Y., Tanaka, K., Tanaka, H. A., Tanaka, M., Tanaka, M. M., Tanimoto, N., Tashiro, K., Taylor, I., Terashima, A., Terhorst, D., Terri, R., Thompson, L. F., Thorley, A., Toki, W., Tobayama, S., Tomaru, T., Totsuka, Y., Touramanis, C., Tsukamoto, T., Tzanov, M., Uchida, Y., Ueno, K., Vacheret, A., Vagins, M., Vasseur, G., Veledar, O., Wachala, T., Walding, J. J., Waldron, A. V., Walter, C. W., Wanderer, P. J., Wang, J., Ward, M. A., Ward, G. P., Wark, D., Wascko, M. O., Weber, A., Wendell, R., West, N., Whitehead, L. H., Wikström, G., Wilkes, R. J., Wilking, M. J., Williamson, Z., Wilson, J. R., Wilson, R. J., Wongjirad, T., Yamada, S., Yamada, Y., Yamamoto, A., Yamamoto, K., Yamanoi, Y., Yamaoka, H., Yamauchi, T., Yanagisawa, C., Yano, T., Yen, S., Yershov, N., Yokoyama, M., Yuan, T., Zalewska, A., Zalipska, J., Zambelli, L., Zaremba, K., Ziembicki, M., Zimmerman, E. D., Zito, M., and Zmuda, J.
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High Energy Physics - Experiment - Abstract
We report a measurement of muon-neutrino disappearance in the T2K experiment. The 295-km muon-neutrino beam from Tokai to Kamioka is the first implementation of the off-axis technique in a long-baseline neutrino oscillation experiment. With data corresponding to 1.43 10**20 protons on target, we observe 31 fully-contained single muon-like ring events in Super-Kamiokande, compared with an expectation of 104 +- 14 (syst) events without neutrino oscillations. The best-fit point for two-flavor nu_mu -> nu_tau oscillations is sin**2(2 theta_23) = 0.98 and |\Delta m**2_32| = 2.65 10**-3 eV**2. The boundary of the 90 % confidence region includes the points (sin**2(2 theta_23),|\Delta m**2_32|) = (1.0, 3.1 10**-3 eV**2), (0.84, 2.65 10**-3 eV**2) and (1.0, 2.2 10**-3 eV**2)., Comment: 7 pages, 4 figures
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- 2012
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23. Measurements of the T2K neutrino beam properties using the INGRID on-axis near detector
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Abe, K., Abgrall, N., Ajima, Y., Aihara, H., Albert, J. B., Andreopoulos, C., Andrieu, B., Anerella, M. D., Aoki, S., Araoka, O., Argyriades, J., Ariga, A., Ariga, T., Assylbekov, S., Autiero, D., Badertscher, A., Barbi, M., Barker, G. J., Barr, G., Bass, M., Batkiewicz, M., Bay, F., Bentham, S., Berardi, V., Berger, B. E., Bertram, I., Besnier, M., Beucher, J., Beznosko, D., Bhadra, S., Blaszczyk, F. d. M., Blocki, J., Blondel, A., Bojechko, C., Bouchez, J., Boyd, S. B., Bravar, A., Bronner, C., Brook-Roberge, D. G., Buchanan, N., Budd, H., Calvet, D., Cartwright, S. L., Carver, A., Castillo, R., Catanesi, M. G., Cazes, A., Cervera, A., Chavez, C., Choi, S., Christodoulou, G., Coleman, J., Collazuol, G., Coleman, W., Connolly, K., Curioni, A., Dabrowska, A., Danko, I., Das, R., Davies, G. S., Davis, S., Day, M., De Rosa, G., de André, J. P. A. M., de Perio, P., Dealtry, T., Delbart, A., Densham, C., Di Lodovico, F., Di Luise, S., Tran, P. Dinh, Dobson, J., Dore, U., Drapier, O., Dufour, F., Dumarchez, J., Dytman, S., Dziewiecki, M., Dziomba, M., Emery, S., Ereditato, A., Escallier, J. E., Escudero, L., Esposito, L. S., Fechner, M., Ferrero, A., Finch, A. J., Frank, E., Fujii, Y., Fukuda, Y., Galymov, V., Ganetis, G. L., Gannaway, F. C., Gaudin, A., Gendotti, A., George, M., Giffin, S., Giganti, C., Gilje, K., Ghosh, A. K., Golan, T., Goldhaber, M., Gomez-Cadenas, J. J., Gomi, S., Gonin, M., Grant, N., Grant, A., Gumplinger, P., Guzowski, P., Haesler, A., Haigh, M. D., Hamano, K., Hansen, C., Hansen, D., Hara, T., Harrison, P. F., Hartfiel, B., Hartz, M., Haruyama, T., Hasegawa, T., Hastings, N. C., Hatzikoutelis, A., Hayashi, K., Hayato, Y., Hearty, C., Helmer, R. L., Henderson, R., Higashi, N., Hignight, J., Hillairet, A., Hirose, E., Holeczek, J., Horikawa, S., Hyndman, A., Ichikawa, A. K., Ieki, K., Ieva, M., Iida, M., Ikeda, M., Ilic, J., Imber, J., Ishida, T., Ishihara, C., Ishii, T., Ives, S. J., Iwasaki, M., Iyogi, K., Izmaylov, A., Jamieson, B., Johnson, R. A., Joo, K. K., Jover-Manas, G. V., Jung, C. K., Kaji, H., Kajita, T., Kakuno, H., Kameda, J., Kaneyuki, K., Karlen, D., Kasami, K., Kato, I., Kawamuko, H., Kearns, E., Khabibullin, M., Khanam, F., Khotjantsev, A., Kielczewska, D., Kikawa, T., Kim, J., Kim, J. Y., Kim, S. B., Kimura, N., Kirby, B., Kisiel, J., Kitching, P., Kobayashi, T., Kogan, G., Koike, S., Konaka, A., Kormos, L. L., Korzenev, A., Koseki, K., Koshio, Y., Kouzuma, Y., Kowalik, K., Kravtsov, V., Kreslo, I., Kropp, W., Kubo, H., Kubota, J., Kudenko, Y., Kulkarni, N., Kurimoto, Y., Kurjata, R., Kutter, T., Lagoda, J., Laihem, K., Laveder, M., Lee, K. P., Le, P. T., Levy, J. M., Licciardi, C., Lim, I. T., Lindner, T., Litchfield, R. P., Litos, M., Longhin, A., Lopez, G. D., Loverre, P. F., Ludovici, L., Lux, T., Macaire, M., Mahn, K., Makida, Y., Malek, M., Manly, S., Marchionni, A., Marino, A. D., Marone, A. J., Marteau, J., Martin, J. F., Maruyama, T., Maryon, T., Marzec, J., Masliah, P., Mathie, E. L., Matsumura, C., Matsuoka, K., Matveev, V., Mavrokoridis, K., Mazzucato, E., McCauley, N., McFarland, K. S., McGrew, C., McLachlan, T., Messina, M., Metcalf, W., Metelko, C., Mezzetto, M., Mijakowski, P., Miller, C. A., Minamino, A., Mineev, O., Mine, S., Missert, A. D., Mituka, G., Miura, M., Mizouchi, K., Monfregola, L., Moreau, F., Morgan, B., Moriyama, S., Muir, A., Murakami, A., Muratore, J. F., Murdoch, M., Murphy, S., Myslik, J., Nagai, N., Nakadaira, T., Nakahata, M., Nakai, T., Nakajima, K., Nakamoto, T., Nakamura, K., Nakayama, S., Nakaya, T., Naples, D., Navin, M. L., Nelson, B., Nicholls, T. C., Nielsen, C., Nishikawa, K., Nishino, H., Nitta, K., Nobuhara, T., Nowak, J. A., Obayashi, Y., Ogitsu, T., Ohhata, H., Okamura, T., Okumura, K., Okusawa, T., Oser, S. M., Otani, M., Owen, R. A., Oyama, Y., Ozaki, T., Pac, M. Y., Palladino, V., Paolone, V., Paul, P., Payne, D., Pearce, G. F., Perkin, J. D., Pettinacci, V., Pierre, F., Poplawska, E., Popov, B., Posiadala, M., Poutissou, J. -M., Poutissou, R., Przewlocki, P., Qian, W., Raaf, J. L., Radicioni, E., Ratoff, P. N., Raufer, T. M., Ravonel, M., Raymond, M., Retiere, F., Robert, A., Rodrigues, P. A., Rondio, E., Roney, J. M., Rossi, B., Roth, S., Rubbia, A., Ruterbories, D., Sabouri, S., Sacco, R., Sakashita, K., Sánchez, F., Sarrat, A., Sasaki, K., Scholberg, K., Schwehr, J., Scott, M., Scully, D. I., Seiya, Y., Sekiguchi, T., Sekiya, H., Shibata, M., Shimizu, Y., Shiozawa, M., Short, S., Siyad, M., Smith, R. J., Smy, M., Sobczyk, J. T., Sobel, H., Sorel, M., Stahl, A., Stamoulis, P., Steinmann, J., Still, B., Stone, J., Stodulski, M., Strabel, C., Sulej, R., Suzuki, A., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Y., Swierblewski, J., Szeglowski, T., Szeptycka, M., Tacik, R., Tada, M., Taguchi, M., Takahashi, S., Takeda, A., Takenaga, Y., Takeuchi, Y., Tanaka, K., Tanaka, H. A., Tanaka, M., Tanaka, M. M., Tanimoto, N., Tashiro, K., Taylor, I., Terashima, A., Terhorst, D., Terri, R., Thompson, L. F., Thorley, A., Toki, W., Tobayama, S., Tomaru, T., Totsuka, Y., Touramanis, C., Tsukamoto, T., Tzanov, M., Uchida, Y., Ueno, K., Vacheret, A., Vagins, M., Vasseur, G., Wachala, T., Walding, J. J., Waldron, A. V., Walter, C. W., Wanderer, P. J., Wang, J., Ward, M. A., Ward, G. P., Wark, D., Wascko, M. O., Weber, A., Wendell, R., West, N., Whitehead, L. H., Wikström, G., Wilkes, R. J., Wilking, M. J., Williamson, Z., Wilson, J. R., Wilson, R. J., Wongjirad, T., Yamada, S., Yamada, Y., Yamamoto, A., Yamamoto, K., Yamanoi, Y., Yamaoka, H., Yamauchi, T., Yanagisawa, C., Yano, T., Yen, S., Yershov, N., Yokoyama, M., Yuan, T., Zalewska, A., Zalipska, J., Zambelli, L., Zaremba, K., Ziembicki, M., Zimmerman, E. D., Zito, M., and Zmuda, J.
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Physics - Instrumentation and Detectors - Abstract
Precise measurement of neutrino beam direction and intensity was achieved based on a new concept with modularized neutrino detectors. INGRID (Interactive Neutrino GRID) is an on-axis near detector for the T2K long baseline neutrino oscillation experiment. INGRID consists of 16 identical modules arranged in horizontal and vertical arrays around the beam center. The module has a sandwich structure of iron target plates and scintillator trackers. INGRID directly monitors the muon neutrino beam profile center and intensity using the number of observed neutrino events in each module. The neutrino beam direction is measured with accuracy better than 0.4 mrad from the measured profile center. The normalized event rate is measured with 4% precision., Comment: 32 pages, 27 figures, submitted to Nucl. Instr. and Meth. A
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- 2011
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24. Indication of Electron Neutrino Appearance from an Accelerator-produced Off-axis Muon Neutrino Beam
- Author
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T2K Collaboration, Abe, K., Abgrall, N., Ajima, Y., Aihara, H., Albert, J. B., Andreopoulos, C., Andrieu, B., Aoki, S., Araoka, O., Argyriades, J., Ariga, A., Ariga, T., Assylbekov, S., Autiero, D., Badertscher, A., Barbi, M., Barker, G. J., Barr, G., Bass, M., Bay, F., Bentham, S., Berardi, V., Berger, B. E., Bertram, I., Besnier, M., Beucher, J., Beznosko, D., Bhadra, S., Blaszczyk, F. d. M., Blondel, A., Bojechko, C., Bouchez, J., Boyd, S. B., Bravar, A., Bronner, C., Brook-Roberge, D. G., Buchanan, N., Budd, H., Calvet, D., Cartwright, S. L., Carver, A., Castillo, R., Catanesi, M. G., Cazes, A., Cervera, A., Chavez, C., Choi, S., Christodoulou, G., Coleman, J., Coleman, W., Collazuol, G., Connolly, K., Curioni, A., Dabrowska, A., Danko, I., Das, R., Davies, G. S., Davis, S., Day, M., DeRosa, G., de Andre, J. P. A. M., dePerio, P., Delbart, A., Densham, C., DiLodovico, F., DiLuise, S., Tran, P. Dinh, Dobson, J., Dore, U., Drapier, O., Dufour, F., Dumarchez, J., Dytman, S., Dziewiecki, M., Dziomba, M., Emery, S., Ereditato, A., Escudero, L., Esposito, L. S., Fechner, M., Ferrero, A., Finch, A. J., Frank, E., Fujii, Y., Fukuda, Y., Galymov, V., Gannaway, F. C., Gaudin, A., Gendotti, A., George, M., Giffin, S., Giganti, C., Gilje, K., Golan, T., Goldhaber, M., Gomez-Cadenas, J. J., Gonin, M., Grant, N., Grant, A., Gumplinger, P., Guzowski, P., Haesler, A., Haigh, M. D., Hamano, K., Hansen, C., Hansen, D., Hara, T., Harrison, P. F., Hartfiel, B., Hartz, M., Haruyama, T., Hasegawa, T., Hastings, N. C., Hastings, S., Hatzikoutelis, A., Hayashi, K., Hayato, Y., Hearty, C., Helmer, R. L., Henderson, R., Higashi, N., Hignight, J., Hirose, E., Holeczek, J., Horikawa, S., Hyndman, A., Ichikawa, A. K., Ieki, K., Ieva, M., Iida, M., Ikeda, M., Ilic, J., Imber, J., Ishida, T., Ishihara, C., Ishii, T., Ives, S. J., Iwasaki, M., Iyogi, K., Izmaylov, A., Jamieson, B., Johnson, R. A., Joo, K. K., Jover-Manas, G. V., Jung, C. K., Kaji, H., Kajita, T., Kakuno, H., Kameda, J., Kaneyuki, K., Karlen, D., Kasami, K., Kato, I., Kearns, E., Khabibullin, M., Khanam, F., Khotjantsev, A., Kielczewska, D., Kikawa, T., Kim, J., Kim, J. Y., Kim, S. B., Kimura, N., Kirby, B., Kisiel, J., Kitching, P., Kobayashi, T., Kogan, G., Koike, S., Konaka, A., Kormos, L. L., Korzenev, A., Koseki, K., Koshio, Y., Kouzuma, Y., Kowalik, K., Kravtsov, V., Kreslo, I., Kropp, W., Kubo, H., Kudenko, Y., Kulkarni, N., Kurjata, R., Kutter, T., Lagoda, J., Laihem, K., Laveder, M., Lee, K. P., Le, P. T., Levy, J. M., Licciardi, C., Lim, I. T., Lindner, T., Litchfield, R. P., Litos, M., Longhin, A., Lopez, G. D., Loverre, P. F., Ludovici, L., Lux, T., Macaire, M., Mahn, K., Makida, Y., Malek, M., Manly, S., Marchionni, A., Marino, A. D., Marteau, J., Martin, J. F., Maruyama, T., Maryon, T., Marzec, J., Masliah, P., Mathie, E. L., Matsumura, C., Matsuoka, K., Matveev, V., Mavrokoridis, K., Mazzucato, E., McCauley, N., McFarland, K. S., McGrew, C., McLachlan, T., Messina, M., Metcalf, W., Metelko, C., Mezzetto, M., Mijakowski, P., Miller, C. A., Minamino, A., Mineev, O., Mine, S., Missert, A. D., Mituka, G., Miura, M., Mizouchi, K., Monfregola, L., Moreau, F., Morgan, B., Moriyama, S., Muir, A., Murakami, A., Murdoch, M., Murphy, S., Myslik, J., Nakadaira, T., Nakahata, M., Nakai, T., Nakajima, K., Nakamoto, T., Nakamura, K., Nakayama, S., Nakaya, T., Naples, D., Navin, M. L., Nelson, B., Nicholls, T. C., Nishikawa, K., Nishino, H., Nowak, J. A., Noy, M., Obayashi, Y., Ogitsu, T., Ohhata, H., Okamura, T., Okumura, K., Okusawa, T., Oser, S. M., Otani, M., Owen, R. A., Oyama, Y., Ozaki, T., Pac, M. Y., Palladino, V., Paolone, V., Paul, P., Payne, D., Pearce, G. F., Perkin, J. D., Pettinacci, V., Pierre, F., Poplawska, E., Popov, B., Posiadala, M., Poutissou, J. -M., Poutissou, R., Przewlocki, P., Qian, W., Raaf, J. L., Radicioni, E., Ratoff, P. N., Raufer, T. M., Ravonel, M., Raymond, M., Retiere, F., Robert, A., Rodrigues, P. A., Rondio, E., Roney, J. M., Rossi, B., Roth, S., Rubbia, A., Ruterbories, D., Sabouri, S., Sacco, R., Sakashita, K., Sanchez, F., Sarrat, A., Sasaki, K., Scholberg, K., Schwehr, J., Scott, M., Scully, D. I., Seiya, Y., Sekiguchi, T., Sekiya, H., Shibata, M., Shimizu, Y., Shiozawa, M., Short, S., Syiad, M., Smith, R. J., Smy, M., Sobczyk, J. T., Sobel, H., Sorel, M., Stahl, A., Stamoulis, P., Steinmann, J., Still, B., Stone, J., Strabel, C., Sulak, L. R., Sulej, R., Sutcliffe, P., Suzuki, A., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Y., Szeglowski, T., Szeptycka, M., Tacik, R., Tada, M., Takahashi, S., Takeda, A., Takenaga, Y., Takeuchi, Y., Tanaka, K., Tanaka, H. A., Tanaka, M., Tanaka, M. M., Tanimoto, N., Tashiro, K., Taylor, I., Terashima, A., Terhorst, D., Terri, R., Thompson, L. F., Thorley, A., Toki, W., Tomaru, T., Totsuka, Y., Touramanis, C., Tsukamoto, T., Tzanov, M., Uchida, Y., Ueno, K., Vacheret, A., Vagins, M., Vasseur, G., Wachala, T., Walding, J. J., Waldron, A. V., Walter, C. W., Wanderer, P. J., Wang, J., Ward, M. A., Ward, G. P., Wark, D., Wascko, M. O., Weber, A., Wendell, R., West, N., Whitehead, L. H., Wikstrom, G., Wilkes, R. J., Wilking, M. J., Wilson, J. R., Wilson, R. J., Wongjirad, T., Yamada, S., Yamada, Y., Yamamoto, A., Yamamoto, K., Yamanoi, Y., Yamaoka, H., Yanagisawa, C., Yano, T., Yen, S., Yershov, N., Yokoyama, M., Zalewska, A., Zalipska, J., Zambelli, L., Zaremba, K., Ziembicki, M., Zimmerman, E. D., Zito, M., and Zmuda, J.
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High Energy Physics - Experiment - Abstract
The T2K experiment observes indications of $\nu_\mu\rightarrow \nu_e$ appearance in data accumulated with $1.43\times10^{20}$ protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario with $|\Delta m_{23}^2|=2.4\times10^{-3}$ eV$^2$, $\sin^2 2\theta_{23}=1$ and $\sin^2 2\theta_{13}=0$, the expected number of such events is 1.5$\pm$0.3(syst.). Under this hypothesis, the probability to observe six or more candidate events is 7$\times10^{-3}$, equivalent to 2.5$\sigma$ significance. At 90% C.L., the data are consistent with 0.03(0.04)$<\sin^2 2\theta_{13}<$ 0.28(0.34) for $\delta_{\rm CP}=0$ and a normal (inverted) hierarchy., Comment: 20 pages, 6 figures, version published in PRL
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- 2011
- Full Text
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25. The T2K Experiment
- Author
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T2K Collaboration, Abe, K., Abgrall, N., Aihara, H., Ajima, Y., Albert, J. B., Allan, D., Amaudruz, P. -A., Andreopoulos, C., Andrieu, B., Anerella, M. D., Angelsen, C., Aoki, S., Araoka, O., Argyriades, J., Ariga, A., Ariga, T., Assylbekov, S., de André, J. P. A. M., Autiero, D., Badertscher, A., Ballester, O., Barbi, M., Barker, G. J., Baron, P., Barr, G., Bartoszek, L., Batkiewicz, M., Bay, F., Bentham, S., Berardi, V., Berger, B. E., Berns, H., Bertram, I., Besnier, M., Beucher, J., Beznosko, D., Bhadra, S., Birney, P., Bishop, D., Blackmore, E., Blaszczyk, F. d. M., Blocki, J., Blondel, A., Bodek, A., Bojechko, C., Bouchez, J., Boussuge, T., Boyd, S. B., Boyer, M., Braam, N., Bradford, R., Bravar, A., Briggs, K., Brinson, J. D., Bronner, C., Brook-Roberge, D. G., Bryant, M., Buchanan, N., Budd, H., Cadabeschi, M., Calland, R. G., Calvet, D., Rodríguez, J. Caravaca, Carroll, J., Cartwright, S. L., Carver, A., Castillo, R., Catanesi, M. G., Cavata, C., Cazes, A., Cervera, A., Charrier, J. P., Chavez, C., Choi, S., Chollet, S., Christodoulou, G., Colas, P., Coleman, J., Coleman, W., Collazuol, G., Connolly, K., Cooke, P., Curioni, A., Dabrowska, A., Danko, I., Das, R., Davies, G. S., Davis, S., Day, M., De La Broise, X., de Perio, P., De Rosa, G., Dealtry, T., Debraine, A., Delagnes, E., Delbart, A., Densham, C., Di Lodovico, F., Di Luise, S., Tran, P. Dinh, Dobson, J., Doornbos, J., Dore, U., Drapier, O., Druillole, F., Dufour, F., Dumarchez, J., Durkin, T., Dytman, S., Dziewiecki, M., Dziomba, M., Ellison, B., Emery, S., Ereditato, A., Escallier, J. E., Escudero, L., Esposito, L. S., Faszer, W., Fechner, M., Ferrero, A., Finch, A., Fisher, C., Fitton, M., Flight, R., Forbush, D., Frank, E., Fransham, K., Fujii, Y., Fukuda, Y., Gallop, M., Galymov, V., Ganetis, G. L., Gannaway, F. C., Gaudin, A., Gaweda, J., Gendotti, A., George, M., Giffin, S., Giganti, C., Gilje, K., Giomataris, I., Giraud, J., Ghosh, A. K., Golan, T., Goldhaber, M., Gomez-Cadenas, J. J., Gomi, S., Gonin, M., Goyette, M., Grant, A., Grant, N., Grañena, F., Greenwood, S., Gumplinger, P., Guzowski, P., Haigh, M. D., Hamano, K., Hansen, C., Hara, T., Harrison, P. F., Hartfiel, B., Hartz, M., Haruyama, T., Hasanen, R., Hasegawa, T., Hastings, N. C., Hastings, S., Hatzikoutelis, A., Hayashi, K., Hayato, Y., Haycock, T. D. J., Hearty, C., Helmer, R. L., Henderson, R., Herlant, S., Higashi, N., Hignight, J., Hiraide, K., Hirose, E., Holeczek, J., Honkanen, N., Horikawa, S., Hyndman, A., Ichikawa, A. K., Ieki, K., Ieva, M., Iida, M., Ikeda, M., Ilic, J., Imber, J., Ishida, T., Ishihara, C., Ishii, T., Ives, S. J., Iwasaki, M., Iyogi, K., Izmaylov, A., Jamieson, B., Johnson, R. A., Joo, K. K., Jover-Manas, G., Jung, C. K., Kaji, H., Kajita, T., Kakuno, H., Kameda, J., Kaneyuki, K., Karlen, D., Kasami, K., Kasey, V., Kato, I., Kawamuko, H., Kearns, E., Kellet, L., Khabibullin, M., Khaleeq, M., Khan, N., Khotjantsev, A., Kielczewska, D., Kikawa, T., Kim, J. Y., Kim, S. -B., Kimura, N., Kirby, B., Kisiel, J., Kitching, P., Kobayashi, T., Kogan, G., Koike, S., Komorowski, T., Konaka, A., Kormos, L. L., Korzenev, A., Koseki, K., Koshio, Y., Kouzuma, Y., Kowalik, K., Kravtsov, V., Kreslo, I., Kropp, W., Kubo, H., Kubota, J., Kudenko, Y., Kulkarni, N., Kurchaninov, L., Kurimoto, Y., Kurjata, R., Kurosawa, Y., Kutter, T., Lagoda, J., Laihem, K., Langstaff, R., Laveder, M., Lawson, T. B., Le, P. T., Coguie, A. Le, Ross, M. Le, Lee, K. P., Lenckowski, M., Licciardi, C., Lim, I. T., Lindner, T., Litchfield, R. P., Longhin, A., Lopez, G. D., Lu, P., Ludovici, L., Lux, T., Macaire, M., Magaletti, L., Mahn, K., Makida, Y., Malafis, C. J., Malek, M., Manly, S., Marchionni, A., Mark, C., Marino, A. D., Marone, A. J., Marteau, J., Martin, J. F., Maruyama, T., Maryon, T., Marzec, J., Masliah, P., Mathie, E. L., Matsumura, C., Matsuoka, K., Matveev, V., Mavrokoridis, K., Mazzucato, E., McCauley, N., McFarland, K. S., McGrew, C., McLachlan, T., Mercer, I., Messina, M., Metcalf, W., Metelko, C., Mezzetto, M., Mijakowski, P., Miller, C. A., Minamino, A., Mineev, O., Mine, S., Minvielle, R. E., Mituka, G., Miura, M., Mizouchi, K., Mols, J. -P., Monfregola, L., Monmarthe, E., Moreau, F., Morgan, B., Moriyama, S., Morris, D., Muir, A., Murakami, A., Muratore, J. F., Murdoch, M., Murphy, S., Myslik, J., Nagashima, G., Nakadaira, T., Nakahata, M., Nakamoto, T., Nakamura, K., Nakayama, S., Nakaya, T., Naples, D., Nelson, B., Nicholls, T. C., Nishikawa, K., Nishino, H., Nitta, K., Nizery, F., Nowak, J. A., Noy, M., Obayashi, Y., Ogitsu, T., Ohhata, H., Okamura, T., Okumura, K., Okusawa, T., Ohlmann, C., Olchanski, K., Openshaw, R., Oser, S. M., Otani, M., Owen, R. A., Oyama, Y., Ozaki, T., Pac, M. Y., Palladino, V., Paolone, V., Paul, P., Payne, D., Pearce, G. F., Pearson, C., Perkin, J. D., Pfleger, M., Pierre, F., Pierrepont, D., Plonski, P., Poffenberger, P., Poplawska, E., Popov, B., Posiadala, M., Poutissou, J. -M., Poutissou, R., Preece, R., Przewlocki, P., Qian, W., Raaf, J. L., Radicioni, E., Ramos, K., Ratoff, P., Raufer, T. M., Ravonel, M., Raymond, M., Retiere, F., Richards, D., Ritou, J. -L., Robert, A., Rodrigues, P. A., Rondio, E., Roney, M., Rooney, M., Ross, D., Rossi, B., Roth, S., Rubbia, A., Ruterbories, D., Sacco, R., Sadler, S., Sakashita, K., Sanchez, F., Sarrat, A., Sasaki, K., Schaack, P., Schmidt, J., Scholberg, K., Schwehr, J., Scott, M., Scully, D. I., Seiya, Y., Sekiguchi, T., Sekiya, H., Sheffer, G., Shibata, M., Shimizu, Y., Shiozawa, M., Short, S., Siyad, M., Smith, D., Smith, R. J., Smy, M., Sobczyk, J., Sobel, H., Sooriyakumaran, S., Sorel, M., Spitz, J., Stahl, A., Stamoulis, P., Star, O., Statter, J., Stawnyczy, L., Steinmann, J., Steffens, J., Still, B., Stodulski, M., Stone, J., Strabel, C., Strauss, T., Sulej, R., Sutcliffe, P., Suzuki, A., Suzuki, K., Suzuki, S., Suzuki, S. Y., Suzuki, Y., Swierblewski, J., Szeglowski, T., Szeptycka, M., Tacik, R., Tada, M., Tadepalli, A. S., Taguchi, M., Takahashi, S., Takeda, A., Takenaga, Y., Takeuchi, Y., Tanaka, H. A., Tanaka, K., Tanaka, M., Tanaka, M. M., Tanimoto, N., Tashiro, K., Taylor, I. J., Terashima, A., Terhorst, D., Terri, R., Thompson, L. F., Thorley, A., Thorpe, M., Toki, W., Tomaru, T., Totsuka, Y., Touramanis, C., Tsukamoto, T., Tvaskis, V., Tzanov, M., Uchida, Y., Ueno, K., Usseglio, M., Vacheret, A., Vagins, M., Van Schalkwyk, J. F., Vanel, J. -C., Vasseur, G., Veledar, O., Vincent, P., Wachala, T., Waldron, A. V., Walter, C. W., Wanderer, P. J., Ward, M. A., Ward, G. P., Wark, D., Warner, D., Wascko, M. O., Weber, A., Wendell, R., Wendland, J., West, N., Whitehead, L. H., Wikström, G., Wilkes, R. J., Wilking, M. J., Williamson, Z., Wilson, J. R., Wilson, R. J., Wong, K., Wongjirad, T., Yamada, S., Yamada, Y., Yamamoto, A., Yamamoto, K., Yamanoi, Y., Yamaoka, H., Yanagisawa, C., Yano, T., Yen, S., Yershov, N., Yokoyama, M., Zalewska, A., Zalipska, J., Zaremba, K., Ziembicki, M., Zimmerman, E. D., Zito, M., and Zmuda, J.
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Physics - Instrumentation and Detectors ,High Energy Physics - Experiment - Abstract
The T2K experiment is a long-baseline neutrino oscillation experiment. Its main goal is to measure the last unknown lepton sector mixing angle {\theta}_{13} by observing {\nu}_e appearance in a {\nu}_{\mu} beam. It also aims to make a precision measurement of the known oscillation parameters, {\Delta}m^{2}_{23} and sin^{2} 2{\theta}_{23}, via {\nu}_{\mu} disappearance studies. Other goals of the experiment include various neutrino cross section measurements and sterile neutrino searches. The experiment uses an intense proton beam generated by the J-PARC accelerator in Tokai, Japan, and is composed of a neutrino beamline, a near detector complex (ND280), and a far detector (Super-Kamiokande) located 295 km away from J-PARC. This paper provides a comprehensive review of the instrumentation aspect of the T2K experiment and a summary of the vital information for each subsystem., Comment: 33 pages, 32 figures, Submitted and accepted by NIM A. Editor: Prof. Chang Kee Jung, Department of Physics and Astronomy, SUNY Stony Brook, chang.jung@sunysb.edu, 631-632-8108 Submit Edited to remove line numbers
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- 2011
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26. OC 06.3 Final Analysis Results from a Phase Iii Study of Emicizumab Prophylaxis for Acquired Hemophilia A (AGEHA)
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Shima, M., primary, Suzuki, N., additional, Nishikii, H., additional, Amano, K., additional, Ogawa, Y., additional, Kobayashi, R., additional, Ozaki, R., additional, Yoneyama, K., additional, Mizuno, N., additional, Sakaida, E., additional, Saito, M., additional, Okamura, T., additional, Ito, T., additional, Hattori, N., additional, Higasa, S., additional, Seki, Y., additional, and Nogami, K., additional
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- 2023
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27. Degradation of the performance of an epoxy-impregnated REBCO solenoid due to electromagnetic forces
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Matsuda, T., Okamura, T., Hamada, M., Matsumoto, S., Ueno, T., Piao, R., Yanagisawa, Y., and Maeda, H.
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- 2018
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28. LiteBIRD: A Satellite for the Studies of B-Mode Polarization and Inflation from Cosmic Background Radiation Detection
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Hazumi, M., Ade, P. A. R., Akiba, Y., Alonso, D., Arnold, K., Aumont, J., Baccigalupi, C., Barron, D., Basak, S., Beckman, S., Borrill, J., Boulanger, F., Bucher, M., Calabrese, E., Chinone, Y., Cho, S., Cukierman, A., Curtis, D. W., de Haan, T., Dobbs, M., Dominjon, A., Dotani, T., Duband, L., Ducout, A., Dunkley, J., Duval, J. M., Elleflot, T., Eriksen, H. K., Errard, J., Fischer, J., Fujino, T., Funaki, T., Fuskeland, U., Ganga, K., Goeckner-Wald, N., Grain, J., Halverson, N. W., Hamada, T., Hasebe, T., Hasegawa, M., Hattori, K., Hattori, M., Hayes, L., Hidehira, N., Hill, C. A., Hilton, G., Hubmayr, J., Ichiki, K., Iida, T., Imada, H., Inoue, M., Inoue, Y., Irwin, K. D., Ishino, H., Jeong, O., Kanai, H., Kaneko, D., Kashima, S., Katayama, N., Kawasaki, T., Kernasovskiy, S. A., Keskitalo, R., Kibayashi, A., Kida, Y., Kimura, K., Kisner, T., Kohri, K., Komatsu, E., Komatsu, K., Kuo, C. L., Kurinsky, N. A., Kusaka, A., Lazarian, A., Lee, A. T., Li, D., Linder, E., Maffei, B., Mangilli, A., Maki, M., Matsumura, T., Matsuura, S., Meilhan, D., Mima, S., Minami, Y., Mitsuda, K., Montier, L., Nagai, M., Nagasaki, T., Nagata, R., Nakajima, M., Nakamura, S., Namikawa, T., Naruse, M., Nishino, H., Nitta, T., Noguchi, T., Ogawa, H., Oguri, S., Okada, N., Okamoto, A., Okamura, T., Otani, C., Patanchon, G., Pisano, G., Rebeiz, G., Remazeilles, M., Richards, P. L., Sakai, S., Sakurai, Y., Sato, Y., Sato, N., Sawada, M., Segawa, Y., Sekimoto, Y., Seljak, U., Sherwin, B. D., Shimizu, T., Shinozaki, K., Stompor, R., Sugai, H., Sugita, H., Suzuki, A., Suzuki, J., Tajima, O., Takada, S., Takaku, R., Takakura, S., Takatori, S., Tanabe, D., Taylor, E., Thompson, K. L., Thorne, B., Tomaru, T., Tomida, T., Tomita, N., Tristram, M., Tucker, C., Turin, P., Tsujimoto, M., Uozumi, S., Utsunomiya, S., Uzawa, Y., Vansyngel, F., Wehus, I. K., Westbrook, B., Willer, M., Whitehorn, N., Yamada, Y., Yamamoto, R., Yamasaki, N., Yamashita, T., and Yoshida, M.
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- 2019
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29. Concept Study of Optical Configurations for High-Frequency Telescope for LiteBIRD
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Hasebe, T., Kashima, S., Ade, P. A. R., Akiba, Y., Alonso, D., Arnold, K., Aumont, J., Baccigalupi, C., Barron, D., Basak, S., Beckman, S., Borrill, J., Boulanger, F., Bucher, M., Calabrese, E., Chinone, Y., Cho, H.-M., Cukierman, A., Curtis, D. W., de Haan, T., Dobbs, M., Dominjon, A., Dotani, T., Duband, L., Ducout, A., Dunkley, J., Duval, J. M., Elleflot, T., Eriksen, H. K., Errard, J., Fischer, J., Fujino, T., Funaki, T., Fuskeland, U., Ganga, K., Goeckner-Wald, N., Grain, J., Halverson, N. W., Hamada, T., Hasegawa, M., Hattori, K., Hattori, M., Hayes, L., Hazumi, M., Hidehira, N., Hill, C. A., Hilton, G., Hubmayr, J., Ichiki, K., Iida, T., Imada, H., Inoue, M., Inoue, Y., Irwin, K. D., Ishino, H., Jeong, O., Kanai, H., Kaneko, D., Katayama, N., Kawasaki, T., Kernasovskiy, S. A., Keskitalo, R., Kibayashi, A., Kida, Y., Kimura, K., Kisner, T., Kohri, K., Komatsu, E., Komatsu, K., Kuo, C. L., Kurinsky, N. A., Kusaka, A., Lazarian, A., Lee, A. T., Li, D., Linder, E., Maffei, B., Mangilli, A., Maki, M., Matsumura, T., Matsuura, S., Meilhan, D., Mima, S., Minami, Y., Mitsuda, K., Montier, L., Nagai, M., Nagasaki, T., Nagata, R., Nakajima, M., Nakamura, S., Namikawa, T., Naruse, M., Nishino, H., Nitta, T., Noguchi, T., Ogawa, H., Oguri, S., Okada, N., Okamoto, A., Okamura, T., Otani, C., Patanchon, G., Pisano, G., Rebeiz, G., Remazeilles, M., Richards, P. L., Sakai, S., Sakurai, Y., Sato, Y., Sato, N., Sawada, M., Segawa, Y., Sekimoto, Y., Seljak, U., Sherwin, B. D., Shimizu, T., Shinozaki, K., Stompor, R., Sugai, H., Sugita, H., Suzuki, A., Suzuki, J., Tajima, O., Takada, S., Takaku, R., Takakura, S., Takatori, S., Tanabe, D., Taylor, E., Thompson, K. L., Thorne, B., Tomaru, T., Tomida, T., Tomita, N., Tristram, M., Tucker, C., Turin, P., Tsujimoto, M., Uozumi, S., Utsunomiya, S., Uzawa, Y., Vansyngel, F., Wehus, I. K., Westbrook, B., Willer, M., Whitehorn, N., Yamada, Y., Yamamoto, R., Yamasaki, N., Yamashita, T., and Yoshida, M.
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- 2018
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30. Does the generalized second law hold in the form of time derivative expression?
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Shimomura, T., Okamura, T., Mishima, T., and Ishihara, H.
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General Relativity and Quantum Cosmology - Abstract
We investigate whether the generalized second law is valid, using two dimensional black hole spacetime, irrespective of models. A time derivative form of the generalized second law is formulated and it is shown that the law might become invalid. The way to resolve this difficulty is also presented and discussed., Comment: 12 pages, 3 figures, revtex
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- 1999
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31. Multipole Expansion Model in Gravitational Lensing
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Fukuyama, T., Kakigi, Y., and Okamura, T.
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Astrophysics - Abstract
Non-transparent models of multipole expansion model and two point-mass model are analyzed from the catastrophe theory. Singularity behaviours of $2^n$-pole moments are discussed. We apply these models to triple quasar PG1115+080 and compare with the typical transparent model, softened power law spheroids. Multipole expansion model gives the best fit among them., Comment: 24 pp, Latex, 5 PostScript Figures
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- 1997
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32. Gravitational lensing and Catastrophe theory
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Kakigi, Y., Okamura, T., and Fukuyama, T.
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Astrophysics ,General Relativity and Quantum Cosmology - Abstract
Singularities of caustics appeared in gravitational lensing effect are discussed analytically. Multipole expansion model of lensing object is mainly studied since it is tractable and universal. Our analyses are confirmed by numerical calculations and applied to multiple quasar system of PG1115+080. Consistencies with elliptical lens models are also discussed., Comment: 24 pages, latex, 18 figures
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- 1995
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33. OP0096 IMMUNOPHENOTYPING-BASED TRANSCRIPTOME ANALYSIS ON SYSTEMIC IMMUNE-MEDIATED DISEASES
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Izuka, S., primary, Komai, T., additional, Itamiya, T., additional, Ota, M., additional, Yamada, S., additional, Nagafuchi, Y., additional, Shoda, H., additional, Matsuki, K., additional, Yamamoto, K., additional, Okamura, T., additional, and Fujio, K., additional
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- 2023
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34. OP0202 IMMUNOMICS ANALYSIS OF RHEUMATOID ARTHRITIS IDENTIFIED PRECURSOR DENDRITIC CELLS AS A KEY CELL SUBSET OF TREATMENT RESISTANCE
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Yamada, S., primary, Nagafuchi, Y., additional, Wang, M., additional, Ota, M., additional, Hatano, H., additional, Takeshima, Y., additional, Okubo, M., additional, Kobayashi, S., additional, Sugimori, Y., additional, Nakano, M., additional, Yoshida, R., additional, Hanata, N., additional, Suwa, Y., additional, Tsuchida, Y., additional, Iwasaki, Y., additional, Sumitomo, S., additional, Kubo, K., additional, Shimane, K., additional, Setoguchi, K., additional, Azuma, T., additional, Kanda, H., additional, Shoda, H., additional, Zhang, X., additional, Yamamoto, K., additional, Ishigaki, K., additional, Okamura, T., additional, and Fujio, K., additional
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- 2023
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35. POS1034 IMMUNOLOGICAL PROFILING IDENTIFIED CLINICAL CORRELATES AND ABATACEPT TREATMENT RESPONSE PREDICTOR OF RHEUMATOID ARTHRITIS
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Nagafuchi, Y., primary, Yamada, S., additional, Ota, M., additional, Hatano, H., additional, Kubo, K., additional, Shimane, K., additional, Setoguchi, K., additional, Azuma, T., additional, Mamura, M., additional, Okamura, T., additional, Ishigaki, K., additional, and Fujio, K., additional
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- 2023
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36. 029 Significance of anti-transcobalamin receptor antibodies in cutaneous arteritis unveiled by proteome-wide autoantibody screening
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Matsuda, K.M., primary, Kotani, H., additional, Yamaguchi, K., additional, Okumura, T., additional, Fukuda, E., additional, Kono, M., additional, Hisamoto, T., additional, Fukayama, M., additional, Okamura, T., additional, Shoda, H., additional, Fujio, K., additional, Goshima, N., additional, Shinichi, S., additional, and Yoshizaki, A., additional
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- 2023
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37. Validity of a selective recall method for assessing water intake and its relationship with hydration status
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Uchida, T., Nakamura, Y., Tanaka, H., Nakamura, S., Okamura, T., Watanabe, H., Murayama, N., Uchida, T., Nakamura, Y., Tanaka, H., Nakamura, S., Okamura, T., Watanabe, H., and Murayama, N.
- Abstract
OBJECTIVE: We previously established a descriptive dietary record method that accurately quantifies habitual water intake from food and beverages, to ascertain the relationship between water intake and health. Here, we verified the validity of a selective recall method, which is easy for users to answer and analyze.PATIENTS AND METHODS: Japanese men and women aged 20-44 years (n = 16) and 45-64 years (n = 16) participated over three working days and one non-working day. The day following each of the surveyed days, participants collected their first morning urine for urinalysis and completed a selective recall and descriptive dietary record questionnaire.RESULTS: The two methods of determining water intake were positively correlated (r = 0.94, p < 0.0001). Water intake volumes from non-alcoholic beverages (r = 0.94, p < 0.0001), alcoholic beverages (r = 1.00, p < 0.0001), and food (r = 0.72, p < 0.0001), calculated using the two methods, exhibited strong correlation. No correlation was observed between urinalysis parameters and total water intake. A significant, negative correlation was observed between urine osmolarity and total water intake in men (r = -0.55, p = 0.0011) and women (r = -0.51, p = 0.0032) aged 20-44 years.CONCLUSIONS: Selective recall is a valid method for assessing water intake from food and beverages.
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- 2023
38. OBSOLETE: Lipids and Cardiovascular Diseases: Epidemiologic Perspectives
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Okamura, T., primary
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- 2018
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39. Predicting habitual water intake from lifestyle questions.
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TANAKA, H., MIZUMA, K., NAKAMURA, Y., HIRATA, A., MIYAZAKI, J., SUZUKI, K., SETA, H., WATANABE, H., SUZUKI, T., WATANABE, R., MURAYAMA, N., OKAMURA, T., and NAKAMURA, S.
- Abstract
OBJECTIVE: Previous studies have used selective recall and descriptive dietary record methods, requiring considerable effort for assessing food and water intake. This study created a simplified lifestyle questionnaire to predict habitual water intake (SQW), accurately and quickly assessing the habitual water intake. We also evaluated the validity using descriptive dietary records as a cross-sectional study. SUBJECTS AND METHODS: First, we used crowdsourcing and machine learning to collect data, predict water intake records, and create questionnaires. We collected 305 lifestyle-related questions as predictor variables and selective recall methods for assessing water intake as an outcome variable. Random forests were used for the machine learning models because of their interpretability and accurate estimation. Random forest and single regression correlation analysis were augmented by the synthetic minority oversampling that trained the model. We separated the data by sex and evaluated our model using unseen hold-out testing data, predicting the individual and overall habitual water intake from various sources, including non-alcoholic beverages, alcohol, and food. RESULTS: We found a 0.60 Spearman's correlation coefficient for total water intake between the predicted and the selective recall method values, reflecting the target value to be achieved. This question set was then used for feasibility tests. The descriptive dietary record method helped to obtain a ground-truth value. We categorized the data by gender, season, and source: non-alcoholic beverages, alcohol, food, and total water intake, and the correlation was confirmed. Consequently, our results showed a Pearson's correlation coefficient of 0.50 for total water intake between the predicted and the selective recall method values. CONCLUSIONS: We hypothesize that dissemination of SQW can lead to better health management by easily determining the habitual water intake. [ABSTRACT FROM AUTHOR]
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- 2023
40. Operation of the SKS Magnet at the K1.8 Beam Line in the J-PARC Hadron Hall
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Aoki, K., Takahashi, T., Makida, Y., Okamura, T., Suzuki, S., Araoka, O., Iida, M., Ohhata, H., Kawai, M., Iwasaki, R., Kondo, Y., Kasami, K., Kakiguchi, Y., Shirakabe, Y., and Sekimoto, M.
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- 2015
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41. 771. Genetic parameter estimates of heat tolerance in number of born alive in Landrace, Large White, and Duroc pigs
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Okamura, T., primary, Fukuzawa, Y., additional, Nishio, M., additional, Arakawa, A., additional, Ishii, K., additional, Takahashi, H., additional, Ogawa, S., additional, and Satoh, M., additional
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- 2022
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42. 359P Overall survival of palbociclib (PAL) + endocrine therapy (ET) in Japanese patients with hormone receptor-positive (HR+)/ human epidermal growth factor receptor 2-negative (HER2-) advanced breast cancer (ABC) in the 1st line (1L) or 2nd line (2L) setting: A multicenter observational study
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Nakayama, T., Nagai, S.E., Hattori, M., Yoshinami, T., Masuda, H., Okamura, T., Watanabe, K-I., Tsuneizumi, M., Takabatake, D., Harao, M., Yasojima, H., Oshiro, C., Iwase, M., Yamaguchi, M., Sangai, T., Sasada, S., Ishida, T., Futamura, M., Kosaka, N., and Masuda, N.
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- 2024
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43. Appropriate management of high-flow priapism based on color Doppler ultrasonography findings in pediatric patients: four case reports and a review of the literature
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Kato, T., Mizuno, K., Nishio, H., Iwatsuki, S., Nakane, A., Akita, H., Okamura, T., Yasui, T., and Hayashi, Y.
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- 2019
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44. Positron separators in Superomega muon beamline at J-PARC
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Ikedo, Y., Miyake, Y., Shimomura, K., Strasser, P., Kawamura, N., Nishiyama, K., Makimura, S., Fujimori, H., Koda, A., Nakamura, J., Nagatomo, T., Kobayashi, Y., Adachi, T., Pant, A.D., Ogitsu, T., Nakamoto, T., Sasaki, K., Ohata, H., Okada, R., Yamamoto, A., Makida, Y., Yoshida, M., Okamura, T., Okubo, R., Higemoto, W., Ito, T.U., Nakahara, K., and Ishida, K.
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- 2013
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45. Superconducting curved transport solenoid with dipole coils for charge selection of the muon beam
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Strasser, P., Ikedo, Y., Miyake, Y., Shimomura, K., Kawamura, N., Nishiyama, K., Makimura, S., Fujimori, H., Koda, A., Nakamura, J., Nagatomo, T., Adachi, T., Pant, A.D., Ogitsu, T., Makida, Y., Yoshida, M., Sasaki, K., Okamura, T., Ohhata, H., Nakamoto, T., Okada, R., Ohkubo, R., Yamamoto, A., Higemoto, W., Itoh, T.U., Ishida, K., and Nakahara, K.
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- 2013
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46. Casual serum triglyceride as a predictor of premature type 2 diabetes mellitus: an 8-year cohort study of middle-aged Japanese workers
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Nishikawa, Tomofumi, Okamura, T., Shima, A., Kawatsu, Y., Sugiyama, D., Kadota, A., Morimoto, A., Tatsumi, Y., Godai, K., and Miyamatsu, N.
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- 2016
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47. The associations of C-reactive protein with serum levels of polyunsaturated fatty acids and trans fatty acids among middle-aged men from three populations
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El-Saed, A., Masaki, K., Okamura, T., Evans, R.W., Nakamura, Y., Willcox, B.J., Lee, S., Maegawa, H., Seto, T.B., Choo, J., Fujiyoshi, A., Miura, K., Kuller, L.H., Ueshima, H., and Sekikawa, Akira
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- 2016
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48. Analysis of a High Efficiency 4K GM Refrigerator Operating at a Lower Pressure Ratio
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Usami, T., Okamura, T., Kabashima, S., Ohtani, Y., Hatakeyama, H., Nakagome, H., and Ross, R. G., Jr., editor
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- 2002
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49. Development of a High Efficiency 4K GM Refrigerator
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Ohtani, Y., Hatakeyama, H., Nakagome, H., Usami, T., Okamura, T., Kabashima, S., and Ross, R. G., Jr., editor
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- 2002
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50. Fruit and vegetable intake and mortality from cardiovascular disease in Japan: a 24-year follow-up of the NIPPON DATA80 Study
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Okuda, N., Miura, K., Okayama, A., Okamura, T., Abbott, R.D., Nishi, N., Fujiyoshi, A., Kita, Y., Nakamura, Y., Miyagawa, N., Hayakawa, T., Ohkubo, T., Kiyohara, Y., and Ueshima, H.
- Subjects
Fruits (Food) -- Health aspects -- Consumption data ,Vegetables -- Health aspects -- Consumption data ,Cardiovascular diseases -- Surveys ,Food/cooking/nutrition ,Health - Abstract
BACKGROUND/OBJECTIVES: There have been few studies on the association of fruit and vegetable (FV) intake with cardiovascular disease (CVD) risk in Asian populations where both dietary habits and disease structure are different from western countries. No study in Asia has found its significant association with stroke. We examined associations of FV intake with mortality risk from total CVD, stroke and coronary heart diseases (CHDs) in a representative Japanese sample. METHODS: A total of 9112 participants aged from 24-year follow-up data in the NIPPON DATA80, of which baseline data were obtained in the National Nutrition Survey Japan in 1980, were studied. Dietary data were obtained from 3-day weighing dietary records. Participants were divided into sex-specific quartiles of energy adjusted intake of FV. Multivariate-adjusted hazard ratios (HRs) were calculated between strata of the total of FV intake, fruit intake and vegetable intake. The adjustment included age, sex, smoking, drinking habit and energy adjusted intakes of sodium and some other food groups. RESULTS: Participants with higher FV intake were older, ate more fish, milk and dairy products and soybeans and legumes and ate less meat. Multivariate-adjusted HR (95% confidence interval;P; P for trend) for the highest versus the lowest quartile of the total of FV intake was 0.74 (0.61-0.91;0.004;0.003) for total CVD, 0.80 (0.59-1.09;0.105;0.036) for stroke and 0.57 (0.37-0.87;0.010;0.109) for CHD. CONCLUSIONS: The results showed that higher total intake of FVs was significantly associated with reduced risk of CVD mortality in Japan. European Journal of Clinical Nutrition (2015) 69, 482-488; doi: 10.1038/ejcn.2014.276; published online 14 January 2015, INTRODUCTION Cardiovascular diseases (CVDs) are among the leading causes of death in most developed countries. (1-3) An increasing number of cohort studies, many of them from western countries, have reported [...]
- Published
- 2015
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