Showing papers by "J. S. Lange published in 2007"
University of Tokyo1, Budker Institute of Nuclear Physics2, École Polytechnique Fédérale de Lausanne3, University of Sydney4, University of Melbourne5, Panjab University, Chandigarh6, National United University7, Polish Academy of Sciences8, University of Maribor9, National Taiwan University10, National Central University11, Hanyang University12, Yonsei University13, Gyeongsang National University14, Sungkyunkwan University15, Virginia Tech16, University of Cincinnati17, Tata Institute of Fundamental Research18, Korea University19, Nagoya University20, Nara Women's University21, Osaka University22, Tohoku Gakuin University23, Kyungpook National University24, Saga University25, Tokyo Institute of Technology26, Chiba University27, Niigata University28, Seoul National University29, Graduate University for Advanced Studies30, University of Ljubljana31, University of Giessen32, Austrian Academy of Sciences33, Osaka City University34, Tokyo University of Agriculture and Technology35, Toho University36, Kanagawa University37, University of Nova Gorica38, Tokyo Metropolitan University39, Tohoku University40, University of Science and Technology of China41
TL;DR: In this paper, the authors presented a method to solve the problem of the EKF problem in PhysRevLett, a Web of Science Record created on 2010-11-05, modified on 2017-12-10.
Abstract: Reference EPFL-ARTICLE-154576doi:10.1103/PhysRevLett.99.142002View record in Web of Science Record created on 2010-11-05, modified on 2017-12-10
308 citations
TL;DR: Evidence for D(0)-D(0) mixing is observed by measuring the difference in the apparent lifetime when a D( 0) meson decays to the CP eigenstates K(+)K(-) and pi(+)pi(+) and when it decayed to the final state K(-)pi(+).
Abstract: We present evidence for D0-D(0) mixing in D(0)-->K(+)pi(-) decays from 384 fb(-1) of e(+)e(-) colliding-beam data recorded near square root s=10.6 GeV with the BABAR detector at the PEP-II storage rings at the Stanford Linear Accelerator Center. We find the mixing parameters x('2)=[-0.22+/-0.30(stat)+/-0.21(syst)] x 10(-3) and y(')=[9.7+/-4.4(stat)+/-3.1(syst)] x 10(-3) and a correlation between them of -0.95. This result is inconsistent with the no-mixing hypothesis with a significance of 3.9 standard deviations. We measure R(D), the ratio of doubly Cabibbo-suppressed to Cabibbo-favored decay rates, to be [0.303+/-0.016(stat)+/-0.010(syst)]%. We find no evidence for CP violation.
108 citations
TL;DR: In this article, the authors present evidence for D0-anti-D0 mixing in D0 --> K+pi-decays from 384 fb^{-1} of e+e-colliding-beam data recorded near sqrt(s) 10.6 GeV with the BaBar detector at the PEP-II storage rings at SLAC.
Abstract: We present evidence for D0-anti-D0 mixing in D0 --> K+pi- decays from 384 fb^{-1} of e+e- colliding-beam data recorded near sqrt(s) 10.6 GeV with the BaBar detector at the PEP-II storage rings at SLAC. We find the mixing parameters x'^2 = [-0.22 +- 0.30 (stat.) +- 0.21 (syst.)] x 10^{-3} and y' = [9.7 +- 4.4 (stat.) +- 3.1 (syst.)] x 10^{-3}, and a correlation between them of -0.94. This result is inconsistent with the no-mixing hypothesis with a significance of 3.9 standard deviations. We measure R_D, the ratio of doubly Cabibbo-suppressed to Cabibbo-favored decay rates, to be [0.303 +- 0.016 (stat.) +- 0.010 (syst.)]%. We find no evidence for \CP violation.
101 citations
TL;DR: In this article, the neutral B meson pair produced at the Upsilon (4S) should exhibit a nonlocal correlation of the type discussed by Einstein, Podolsky, and Rosen.
Abstract: The neutral B meson pair produced at the Upsilon(4S) should exhibit a nonlocal correlation of the type discussed by Einstein, Podolsky, and Rosen. We measure this correlation using the time-dependent flavor asymmetry of semileptonic B(0) decays, which we compare with predictions from quantum mechanics and two local realistic models. The data are consistent with quantum mechanics, and inconsistent with the other models. Assuming that some B pairs disentangle to produce B(0) and B(0) with definite flavor, we find a decoherent fraction of 0.029 +/ -0.057, consistent with no decoherence.
51 citations
University of Tokyo1, Budker Institute of Nuclear Physics2, École Polytechnique Fédérale de Lausanne3, University of Sydney4, University of Melbourne5, University of Maribor6, National Central University7, Hanyang University8, National Taiwan University9, Yonsei University10, Sungkyunkwan University11, Virginia Tech12, University of Cincinnati13, University of Ljubljana14, Korea University15, Nagoya University16, Osaka University17, Tohoku Gakuin University18, Kyungpook National University19, Saga University20, Tokyo Institute of Technology21, Tata Institute of Fundamental Research22, Niigata University23, Graduate University for Advanced Studies24, Panjab University, Chandigarh25, University of Giessen26, Seoul National University27, Polish Academy of Sciences28, Austrian Academy of Sciences29, Princeton University30, Hiroshima Institute of Technology31, Osaka City University32, Tokyo University of Agriculture and Technology33, Toho University34, Kanagawa University35, University of Nova Gorica36, Tokyo Metropolitan University37, National United University38, Tohoku University39, University of Science and Technology of China40
Abstract: Reference EPFL-ARTICLE-154403doi:10.1103/PhysRevLett.100.062001View record in Web of Science Record created on 2010-11-05, modified on 2017-12-10
36 citations
TL;DR: Using 449x10(6) BB[over ] pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider, clear signals are observed for B(+)-->K[ over ](0)K(+) and B(0)-->K[over ], which decays with 5.3sigma and 6.0sigma significance, respectively.
Abstract: Using 449x10{sup 6} BB pairs collected with the Belle detector at the KEKB asymmetric-energy e{sup +}e{sup -} collider, we observe clear signals for B{sup +}{yields}K{sup 0}K{sup +} and B{sup 0}{yields}K{sup 0}K{sup 0} decays with 5.3{sigma} and 6.0{sigma} significance, respectively. We measure the branching fractions B(B{sup +}{yields}K{sup 0}K{sup +})=(1.22{sub -0.28-0.16}{sup +0.32+0.13})x10{sup -6} and B(B{sup 0}{yields}K{sup 0}K{sup 0})=(0.87{sub -0.20}{sup +0.25}{+-}0.09)x10{sup -6}, and partial-rate asymmetries A{sub CP}(B{sup +}{yields}K{sup 0}K{sup +})=0.13{sub -0.24}{sup +0.23}{+-}0.02 and A{sub CP}(B{sup 0}{yields}K{sup 0}K{sup 0})=-0.58{sub -0.66}{sup +0.73}{+-}0.04. From a simultaneous fit, we also obtain B(B{sup +}{yields}K{sup 0}{pi}{sup +})=(22.8{sub -0.7}{sup +0.8}{+-}1.3)x10{sup -6} and A{sub CP}(B{sup +}{yields}K{sup 0}{pi}{sup +})=0.03{+-}0.03{+-}0.01. The first and second error in the branching fractions and the partial-rate asymmetries are statistical and systematic, respectively. No signal is observed for B{sup 0}{yields}K{sup +}K{sup -} decays, and for this branching fraction, we set an upper limit of 4.1x10{sup -7} at the 90% confidence level.
32 citations
Gyeongsang National University1, University of Tokyo2, Budker Institute of Nuclear Physics3, École Polytechnique Fédérale de Lausanne4, Tata Institute of Fundamental Research5, University of Sydney6, Polish Academy of Sciences7, University of Maribor8, National Taiwan University9, National Central University10, Hanyang University11, Sungkyunkwan University12, University of Melbourne13, Virginia Tech14, University of Ljubljana15, University of Giessen16, Osaka University17, Nagoya University18, Nara Women's University19, Tohoku Gakuin University20, Kyungpook National University21, Saga University22, Tokyo Institute of Technology23, Yonsei University24, Chiba University25, Niigata University26, Seoul National University27, Graduate University for Advanced Studies28, University of Cincinnati29, Panjab University, Chandigarh30, Austrian Academy of Sciences31, Osaka City University32, Tokyo University of Agriculture and Technology33, Toho University34, Kanagawa University35, University of Nova Gorica36, Tokyo Metropolitan University37, National United University38, Korea University39, University of Science and Technology of China40
30 citations
TL;DR: In this article, the authors presented a method to detect the presence of brain tumors in the human brain using PhysRevLett, a Web of Science Record created on 2010-11-05, modified on 2017-05-12
Abstract: Reference EPFL-ARTICLE-154572doi:10.1103/PhysRevLett.98.132001View record in Web of Science Record created on 2010-11-05, modified on 2017-05-12
25 citations
Journal Article•
16 citations
01 Dec 2007
TL;DR: In this paper, the authors search for lepton-flavor-violating τ decays into three leptons (electron or muon) using 535 fb of data collected with the Belle detector at the KEKB asymmetric-energy ee collider.
Abstract: We search for lepton-flavor-violating τ decays into three leptons (electron or muon) using 535 fb of data collected with the Belle detector at the KEKB asymmetric-energy ee collider. No evidence for these decays is observed, and we set 90% confidence level upper limits on the branching fractions of (2.0−4.1) × 10. These results improve upon our previously published upper limits by factors of 4.9 to 10. PACS numbers: 11.30.Fs; 13.35.Dx; 14.60.Fg
7 citations
Posted Content•
TL;DR: In this paper, the differential cross section of the process gamma gamma → pi^0 pi 0 pi 0 has been measured in the kinematical range 0.6 GeV pi^+ pi 0.
Abstract: The differential cross section of the process gamma gamma -> pi^0 pi^0 has been measured in the kinematical range 0.6 GeV pi^+ pi^-.
01 Dec 2007
TL;DR: In this article, the authors present a survey of the state-of-the-art research work in the field of artificial intelligence in terms of the number of neurons and the amount of neurons required for each neuron to be activated.
Abstract: K. Abe, I. Adachi, H. Aihara, K. Arinstein, T. Aso, V. Aulchenko, T. Aushev, 16 T. Aziz, S. Bahinipati, A. M. Bakich, V. Balagura, Y. Ban, S. Banerjee, E. Barberio, A. Bay, I. Bedny, K. Belous, V. Bhardwaj, U. Bitenc, S. Blyth, A. Bondar, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, M.-C. Chang, P. Chang, Y. Chao, A. Chen, K.-F. Chen, W. T. Chen, B. G. Cheon, C.-C. Chiang, R. Chistov, I.-S. Cho, S.-K. Choi, Y. Choi, Y. K. Choi, S. Cole, J. Dalseno, M. Danilov, A. Das, M. Dash, J. Dragic, A. Drutskoy, S. Eidelman, D. Epifanov, S. Fratina, H. Fujii, M. Fujikawa, N. Gabyshev, A. Garmash, A. Go, G. Gokhroo, P. Goldenzweig, B. Golob, 17 M. Grosse Perdekamp, 41 H. Guler, H. Ha, J. Haba, K. Hara, T. Hara, Y. Hasegawa, N. C. Hastings, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, T. Higuchi, L. Hinz, H. Hoedlmoser, T. Hokuue, Y. Horii, Y. Hoshi, K. Hoshina, S. Hou, W.-S. Hou, Y. B. Hsiung, H. J. Hyun, Y. Igarashi, T. Iijima, K. Ikado, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwabuchi, M. Iwasaki, Y. Iwasaki, C. Jacoby, N. J. Joshi, M. Kaga, D. H. Kah, H. Kaji, S. Kajiwara, H. Kakuno, J. H. Kang, P. Kapusta, S. U. Kataoka, N. Katayama, H. Kawai, T. Kawasaki, A. Kibayashi, H. Kichimi, H. J. Kim, H. O. Kim, J. H. Kim, S. K. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, 17 Y. Kozakai, P. Križan, P. Krokovny, R. Kumar, E. Kurihara, A. Kusaka, A. Kuzmin, Y.-J. Kwon, J. S. Lange, G. Leder, J. Lee, J. S. Lee, M. J. Lee, S. E. Lee, T. Lesiak, J. Li, A. Limosani, S.-W. Lin, Y. Liu, D. Liventsev, J. MacNaughton, G. Majumder, F. Mandl, D. Marlow, T. Matsumura, A. Matyja, S. McOnie, T. Medvedeva, Y. Mikami, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, G. R. Moloney, T. Mori, J. Mueller, A. Murakami, T. Nagamine, Y. Nagasaka, Y. Nakahama, I. Nakamura, E. Nakano, M. Nakao, H. Nakayama, H. Nakazawa, Z. Natkaniec, K. Neichi, S. Nishida, K. Nishimura, Y. Nishio, I. Nishizawa, O. Nitoh, S. Noguchi, T. Nozaki, A. Ogawa, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, S. Ono, W. Ostrowicz, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Palka, C. W. Park, H. Park, K. S. Park, N. Parslow, L. S. Peak, M. Pernicka, R. Pestotnik, M. Peters, L. E. Piilonen, A. Poluektov, J. Rorie, M. Rozanska, H. Sahoo, Y. Sakai, H. Sakaue, N. Sasao, T. R. Sarangi, N. Satoyama, K. Sayeed, T. Schietinger, O. Schneider, P. Schönmeier, J. Schümann, C. Schwanda, A. J. Schwartz, R. Seidl, 41 A. Sekiya, K. Senyo, M. E. Sevior, L. Shang, M. Shapkin, C. P. Shen, H. Shibuya, S. Shinomiya, J.-G. Shiu, B. Shwartz, J. B. Singh, A. Sokolov, E. Solovieva, A. Somov, S. Stanič, M. Starič, J. Stypula, A. Sugiyama, K. Sumisawa, T. Sumiyoshi, S. Suzuki, S. Y. Suzuki, O. Tajima, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, N. Taniguchi, G. N. Taylor, Y. Teramoto, I. Tikhomirov, K. Trabelsi, Y. F. Tse, T. Tsuboyama, K. Uchida, Y. Uchida, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Ushiroda, Y. Usov, G. Varner, K. E. Varvell, K. Vervink, S. Villa, A. Vinokurova, C. C. Wang, C. H. Wang, J. Wang, M.-Z. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, R. Wedd, J. Wicht, L. Widhalm, J. Wiechczynski, E. Won, B. D. Yabsley, A. Yamaguchi, H. Yamamoto, M. Yamaoka, Y. Yamashita, M. Yamauchi, C. Z. Yuan, Y. Yusa, C. C. Zhang, L. M. Zhang, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc, and N. Zwahlen
10 Sep 2007
TL;DR: The High Acceptance DiElectron Spectrometer (HADES) at GSI, Darmstadt, is investigating the production of e+e-pair in A+A, p+A and N+N collisions as discussed by the authors.
Abstract: The "High Acceptance DiElectron Spectrometer" (HADES) at GSI, Darmstadt, is investigating the production of e+e- pairs in A+A, p+A and N+N collisions. The latter program allows for the reconstruction of individual sources. This strategy will be roughly outlined in this contribution and preliminary pp/pn data is shown.
01 Dec 2007
01 Jan 2007
01 Dec 2007
Posted Content•
TL;DR: In this article, the authors measured branching fractions of hadronic meson decays involving an $\eta$ meson using 485 fb^{-1} of data collected with the Belle detector at the KEKB asymmetric-energy e^+e^- collider.
Abstract: We have measured branching fractions of hadronic $\tau$ decays involving an $\eta$ meson using 485 fb^{-1} of data collected with the Belle detector at the KEKB asymmetric-energy e^+e^- collider. We obtain the following branching fractions: ${\cal B}(\tau^-\to K^- \eta
u_{\tau})=(1.62\pm 0.05 \pm 0.09)\times 10^{-4}$, ${\cal B}(\tau^-\to K^- \pi^0 \eta
u_{\tau}) =(4.7\pm 1.1 \pm 0.4)\times 10^{-5}$, ${\cal B}(\tau^-\to \pi^- \pi^0 \eta
u_{\tau})=(1.39 \pm 0.03 \pm 0.07) \times 10^{-3}$, and ${\cal B}(\tau^-\to K^{*-} \eta
u_{\tau})=(1.13\pm 0.19 \pm 0.07)\times 10^{-4}$ improving the accuracy compared to the best previous measurements by factors of six, eight, four and four, respectively.