Research

研究業績

  2014  2013  2012  2011  2010  2009  2008  2007  2006  2005   

1. Design and performance of the muon monitor for the T2K neutrino oscillation experiment
   K. Matsuoka, A. K. Ichikawa, H. Kubo, K. Maeda, T. Maruyama, C. Matsumura, A. Murakami, T. Nakaya, K. Nishikawa, T. Ozaki, K. Sakashita, K. Suzuki, S. Y. Suzuki, K. Tashiro, K. Yamamoto and M. Yokoyama
   Nuclear Instruments and Methods in Physics Research A 624, 591-600 (2010).

2. Observation of single top quark production and measurement of |V_tb| with CDF
   T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
   Physical Review D 82, 112005 (2010).

3. Top Quark Mass Measurement in the lepton+jets Channel Using a Matrix Element Method and in situ Jet Energy Calibration
   T. Aaltonen, A. Hamaguchi, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
   Physical Review Letters 105, 252001 (2010).

4. Improved Search for a Higgs Boson Produced in Association with Z→\(\ell\)⁺\(\ell\)^- in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
   T. Aaltonen, A. Hamaguchi, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
   Physical Review Letters 105, 251802 (2010).

5. Direct Top-Quark Width Measurement at CDF
   T. Aaltonen, A. Hamaguchi, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
   Physical Review Letters 105, 232003 (2010).

6. Measurement of the WW + WZ production cross section using a matrix element technique in lepton + jets events
   T. Aaltonen, A. Hamaguchi, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
   Physical Review D 82, 112001 (2010).

7. EXTRACTION OF ΛΛ SCATTERING LENGTH
   C. J. Yoon, K. Yamamoto et al. (KEK-PS E522 Collaboration)
   International Journal of Modern Physics E 19, 2448-2453 (2010).

8. Updated search for the flavor-changing neutral-current decay D⁰→μ⁺μ^- in \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.96 TeV
   T. Aaltonen, A. Hamaguchi, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
   Physical Review D 82, 091105(R) (2010).

9. HIGGS SEARCHES AT THE TEVATRON
   KAZUHIRO YAMAMOTO (for the CDF and D0 Collaborations)
   International Journal of Modern Physics A 25, 5097-5104 (2010).

10. Search for R-Parity Violating Decays of Sneutrinos to eμ, μτ, and eτ Pairs in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 105, 191801 (2010).

11. Search for anomalous production of events with two photons and additional energetic objects at CDF
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 82, 052005 (2010).

12. Measurement of the top pair production cross section in the dilepton decay channel in \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, A. Hamaguchi, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 82, 052002 (2010).

13. Search for New Physics with a Dijet Plus Missing E_T Signature in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 105, 131801 (2010).

14. Measurement of dσ/dy of Drell-Yan e⁺e^- pairs in the Z mass region from \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physics Letters B 692, 232-239 (2010).

15. Exclusion of an Exotic Top Quark with −4/3 Electric Charge Using Soft Lepton Tagging
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 105, 101801 (2010).

16. Measurement of Zγ production in \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 82, 031103(R) (2010).

17. Search for the Production of Scalar Bottom Quarks in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 105, 081802 (2010).

18. Studying the underlying event in Drell-Yan and high transverse momentum jet production at the Tevatron
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 82, 034001 (2010).

19. Search for new color-octet vector particle decaying to \(t\bar{t}\) in \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physics Letters B 691, 183-190 (2010).

20. Measurement of W-Boson Polarization in Top-Quark Decay in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 105, 042002 (2010).

21. Combined Tevatron upper limit on gg→H→W⁺W^- and constraints on the Higgs boson mass in fourth-generation fermion models
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration, D0 Collaboration)
    Physical Review D 82, 011102(R) (2010).

22. Measurement of the Ratio σ_\(t\bar{t}\)/σ_{Z/γ^*→\(\ell\)\(\ell\)} and Precise Extraction of the \(t\bar{t}\) Cross Section
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 105, 012001 (2010).

23. Search for Pair Production of Supersymmetric Top Quarks in Dilepton Events from \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 251801 (2010).

24. Search for WW and WZ Resonances Decaying to Electron, Missing E_T, and Two Jets in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 241801 (2010).

25. Measurement of the W⁺W^- Production Cross Section and Search for Anomalous WWγ and WWZ Couplings in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 201801 (2010).

26. Measurement of the \(t\bar{t}\) production cross section in \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.96 TeV using soft electron b-tagging
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 81, 092002 (2010).

27. Search for single top quark production in \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.96 TeV in the missing transverse energy plus jets topology
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 81, 072003 (2010).

28. Search for the Higgs Boson Using Neural Networks in Events with Missing Energy and b-Quark Jets in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 141801 (2010).

29. First Measurement of the b-Jet Cross Section in Events with a W Boson in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 131801 (2010).

30. Measurement of the top quark mass and \(p\bar{p}\)→\(t\bar{t}\) cross section in the all-hadronic mode with the CDF II detector
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 81, 052011 (2010).

31. Search for Technicolor Particles Produced in Association with a W Boson at CDF
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 111802 (2010).

32. Study of the associated production of photons and b-quark jets in \(p\bar{p}\) collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 81, 052006 (2010).

33. Measurement of the Λ_b⁰ Lifetime in Λ_b⁰→Λ_c⁺π^- Decays in \(p\bar{p}\) Collisions at \(\sqrt{s}\) = 1.96 TeV
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 102002 (2010).

34. Measurement of the WW+WZ Production Cross Section Using the lepton+jets Final State at CDF II
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 101801 (2010).

35. Search for New Bottomlike Quark Pair Decays \(Q\bar{Q}\)→(tW^∓)(\(\bar{t}\)W^±) in Same-Charge Dilepton Events
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 091801 (2010).

36. Measurements of branching fraction ratios and CP asymmetries in B^±→D_CPK^± decays in hadron collisions
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 81, 031105(R) (2010).

37. Measurement of the top quark mass in the dilepton channel using m_T2 at CDF
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 81, 031102(R) (2010).

38. Inclusive Search for Standard Model Higgs Boson Production in the WW Decay Channel Using the CDF II Detector
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review Letters 104, 061803 (2010).

39. Combination of Tevatron Searches for the Standard Model Higgs Boson in the W⁺W^- Decay Mode
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration, D0 Collaboration)
    Physical Review Letters 104, 061802 (2010).

40. Measurements of the top-quark mass using charged particle tracking
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al. (CDF Collaboration)
    Physical Review D 81, 032002 (2010).

41. Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II
    T. Aaltonen, T. Okusawa, Y. Seiya, T. Wakisaka, K. Yamamoto et al.
    Physical Review Letters 104, 011801 (2010).

  2014  2013  2012  2011  2010  2009  2008  2007  2006  2005