Research

研究業績

  2005  2004  2003  2002  2001  2000  1999  1998  1997  1996  

1. Measurement of the cross-section and forward-backward charge asymmetry for the b and c-quark in e⁺e^- annihilation with inclusive muons at \(\sqrt{s}\) = 58 GeV
   Y. Inoue , T. Okusawa et al.
   European Physical Journal C 18, 273-282 (2000).

2. Analyzing power in CNI-region at AGS (experiment E950)
   I. G. Alekseev, K. Yamamoto et al. (BNL-AGS E950 Collaboration)
   AIP Conference Proceedings 549, 670-673 (2000).

3. Measurement of dσ/dy for high mass Drell-Yan e⁺e⁻ pairs from \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.8 TeV
   T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
   Physical Review D 63, 011101(R) (2000).

4. Measurement of the Decay Amplitudes of B⁰ → J/ψ K^*0 and B_s⁰ → J/ψ ϕ Decays
   T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
   Physical Review Letters 85, 4668-4673 (2000).

5. Dijet Production by Double Pomeron Exchange at the Fermilab Tevatron
   T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
   Physical Review Letters 85, 4215-4220 (2000).

6. Study of double-strangeness nuclei with hybrid-emulsion method (KEK-PS E373)
   A. Ichikawa, K. Yamamoto et al. (The E373 Collaboration)
   Nuclear Physics A 670, 289c-292c (2000).

7. Direct Measurement of the W Boson Width in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
   T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
   Physical Review Letters 85, 3347-3352 (2000).

8. Intermediate silicon layers detector for the CDF experiment
   A. Affolder, T. Okusawa et al.
   Nuclear Instruments and Methods in Physics Research A 453, 84-88 (2000).

9. Measurement of J/ψ and ψ(2S) Polarization in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
   T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
   Physical Review Letters 85, 2886-2891 (2000).

10. An Experiment to Study S = −2 Nuclear System PS-E373 (KEK) - For Fully Automated Scanning of Ξ^- Tracks -
    H. Tanaka, K. Yamamoto et al.
    Strangeness Nuclear Physics, 193-198 (2000).

11. Study of Double-Strangeness Nuclei with Hybrid-Emulsion Method (KEK-PS E373)
    A. Ichikawa, K. Yamamoto et al.
    Strangeness Nuclear Physics, 189-192 (2000).

12. Search for the H-dibaryon and S = −2 Nuclei via the (K^-, K⁺) Reaction (BNL-AGS E885)
    K. Yamamoto (for the BNL-AGS E885 Collaboration)
    Strangeness Nuclear Physics, 183-188 (2000).

13. Production of Double-Λ Hypernuclei : BNL-AGS E906
    T. Fukuda, K. Yamamoto et al.
    Strangeness Nuclear Physics, 167-174 (2000).

14. Hyperon-Nucleon Scattering Experiment (KEK-PS E289)
    M. Ieiri, K. Yamamoto et al.
    Strangeness Nuclear Physics, 13-18 (2000).

15. Cosmic-ray tests for quality control of the CDF plug upgrade EM calorimeter and the CDF plug preshower detector
    T. Asakawa, Y. Seiya et al.
    Nuclear Instruments and Methods in Physics Research A 452, 67-80 (2000).

16. Search for New Particles Decaying to \(t\bar{t}\) in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 85, 2062-2067 (2000).

17. Search for Second and Third Generation Leptoquarks Including Production via Technicolor Interactions in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 85, 2056-2061 (2000).

18. Σ^-p elastic-scattering in the region of 400 < p_Σ^- < 700 MeV/c with a scintillating-fiber active target
    Y. Kondo, K. Yamamoto et al. (KEK-PS E289 Collaboration)
    Nuclear Physics A 676, 371-387 (2000).

19. Limits on Light Gravitino Production and New Processes with Large Missing Transverse Energy in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 85, 1378-1383 (2000).

20. Search for a W′ Boson via the Decay Mode W′ → μν_μ in 1.8 TeV \(p\bar{p}\) Collisions
    F. Abe, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 5716-5721 (2000).

21. Search for Scalar Top and Scalar Bottom Quarks in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 5704-5709 (2000).

22. Search for the charged Higgs boson in the decays of top quark pairs in the eτ and μτ channels at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration )
    Physical Review D 62, 012004 (2000).

23. Search for Scalar Top Quark Production in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 5273-5278 (2000).

24. Diffractive Dijets with a Leading Antiproton in \(\bar{p}p\) Collisions at \(\sqrt{s}\) = 1800 GeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 5043-5048 (2000).

25. Search for double-Λ hypernuclei and the H-dibaryon in the (K⁺,K^-) reaction on ¹²C
    K. Yamamoto et al. (E885 Collaboration)
    Physics Letters B 478, 401-407 (2000).

26. Measurement of the differential dijet mass cross section in \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review D 61, 091101(R) (2000).

27. Evidence of Ξ hypernuclear production in the ¹²C(K^-,K⁺)\(^{12}_{\,\Xi}\mathrm{Be}\) reaction
    P. Khaustov, K. Yamamoto et al. (The AGS E885 Collaboration)
    Physical Review C 61, 054603 (2000).

28. Measurement of sin 2β from B → J/ψ K_S⁰ with the CDF detector
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review D 61, 072005 (2000).

29. Production of Υ(1S) Mesons from χ_b Decays in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 2094-2099 (2000).

30. Measurement of b-Quark Fragmentation Fractions in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 1663-1668 (2000).

31. Search for Color Singlet Technicolor Particles in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 1110-1115 (2000).

32. Readout of a scintillating-fiber array by avalanche photodiodes
    T. Okusawa, Y. Sasayama, M. Yamasaki and T. Yoshida
    Nuclear Instruments and Methods in Physics Research A 440, 348-354 (2000).

33. Transverse Momentum and Total Cross Section of e⁺e⁻ Pairs in the Z-Boson Region from \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 845-850 (2000).

34. Search for a Fourth-Generation Quark More Massive than the Z⁰ Boson in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.8 TeV
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 835-840 (2000).

35. Production of doubly-strange systems in the (K⁻, K⁺) reaction in E885 at BNL
    P. Khaustov, K. Yamamoto et al. (The AGS E885 Collaboration)
    Nuclear Physics A 663-664, 485c-488c (2000).

36. Search for double-Λ hypernuclei formation via (Ξ^-,¹²C)_atom→\(^{\,12}_{\Lambda\Lambda}\mathrm{B}\)+n
    P. Khaustov, K. Yamamoto et al. (The AGS E885 Collaboration)
    Physical Review C 61, 027601 (2000).

37. Observation of Diffractive b-Quark Production at the Fermilab Tevatron
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 232-237 (2000).

38. Measurement of the Helicity of W Bosons in Top Quark Decays
    T. Affolder, T. Okusawa, Y. Seiya, H. Toyoda et al. (CDF Collaboration)
    Physical Review Letters 84, 216-221 (2000).

  2005  2004  2003  2002  2001  2000  1999  1998  1997  1996