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 理学部 物理学科 素粒子物理学教室
 Particle Physics Laboratory

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小川 了   教授
    30          
 
 
 
 
 
中 竜大   講師
    2          
 
 
 
 
 
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研究者名 刊行論文 著書 その他 学会発表 その他
発表














小川 了   教授
         
 
 
中 竜大   講師
         
 
 
 0 0  0 0  0  0
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(  ):発表数中の特別講演、招請講演、宿題報告、会長講演、基調講演、受賞講演、教育講演(セミナー、レクチャーを含む)、シンポジウム、パネル(ラウンドテーブル)ディスカッション、ワークショップ、公開講座、講習会 (  ):発表数中の特別講演、招請講演、宿題報告、会長講演、基調講演、受賞講演、教育講演(セミナー、レクチャーを含む)、シンポジウム、パネル(ラウンドテーブル)ディスカッション、ワークショップ、公開講座、講習会
■ 刊行論文
原著
1. X. Han, S. Ogawa et al. ( Belle collaboration ):  Evidence for the singly Cabibbo-suppressed decay Ω0→Ξπ+ and search for Ωc0→ΞK+ and ΩK+ decays at Belle.  Journal of High Energy Physics  01 (055) : , 2022
2. Y. Seino, S. Ogawa et al. ( Belle collaboration ):  Measurement of two-photon decay width of χc2 (1P) in γγ → χc2 (1P) → J/ψγ at Belle.  Journal of High Energy Physics  01 (160) : , 2022
3. Y.C. Chen, S. Ogawa et al. ( Belle collaboration ):  Two-particle angular correlations in e+e collisions to hadronic final states in two reference coordinates at Belle.  Journal of High Energy Physics  03 (171) : , 2022
4. N. Tsuzuki, S. Ogawa et al. ( Belle collaboration ):  Search for lepton-flavor-violating τ decays into a lepton and a vector meson using the full Belle data sample.  Journal of High Energy Physics  06 (118) : , 2023
5. Tadaaki Tani,Tatsuhiro Naka:  Dark matter event in nuclear emulsions: comparative analysis by time-resolved photoconductivity of silver halide grains.  Nuclear Instruments and Methods in Physics Research Section A  1046 (167633) : , 2023
6. T. Shiraishi, S. Akamatsu, T. Naka, T. Asada, G. De Lellis, V. Tioukov, G. Rosa, R. Kobayashi, N. D'Ambrosio, A. Alexandrov, O. Sato:  Environmental sub-MeV neutron measurement at the Gran Sasso surface laboratory with a super-fine-grained nuclear emulsion detector.  Physical Review C  107 (014608) : , 2023
7. S.X> Li, S. Ogawa et al. ( Belle collaboration ):  Measurements of branching fractions of Λc+→Σ+η and Λc+ →Σ+η' and asymmetry parameters of Λc+→Σ+π0, Λc +η and Λc+→Σ+η'.  Physical Review D  107 (03) :032003 , 2022
8. J.-F. Krohn, S. Ogawa et al. ( Belle collaboration ):  Measurements of the branching fractions B(\bar{B}0→D∗+π) and B
(\bar{B}0→D∗+K) and tests of QCD factorization.  Physical Review D  107 (1) :012003 , 2022
9. F. Abudinen, S. Ogawa et al. ( BelleII collaboration ):  Measurement of the branching fraction and CP asymmetry of B0→π0π0 decays using 198×106B\bar{B} pairs in Belle II data.  Physical Review D  107 (11) :112009 , 2023
10. H. Hirata, S. Ogawa et al. ( Belle collaboration ):  Study of the lineshape of X(3872) using B decays to D0\bar{D}*0K.  Physical Review D  107 (11) :112011 , 2023
11. Y. LI, S. Ogawa et al. ( Belle collaboration ):  First search for the weak radiative decays Λc+→Σ+γ and Ξc0→Ξ0γ.  Physical Review D  107 (3) :032001 , 2022
12. L.K. Li, S. Ogawa et al. ( Belle collaboration ):  Measurement of branching fractions of Λc+→pKs0Ks0 and Λc+→pKs0η at Belle.  Physical Review D  107 (3) :032004 , 2022
13. S.S. Tang, S. Ogawa et al. ( Belle collaboraion ):  Measurement of the branching fraction of Ξc0→Λc+π- at Belle.  Physical Review D  107 (3) :032005 , 2022
14. D. Wang, S. Ogawa et al. ( Belle collaboration ):  Measurement of the mass and width of the Λc(2625)+ charmed baryon and the branching ratios of Λc(2625)+→Σc0π+ and Λc(2625)+→Σc++π-.  Physical Review D  107 (3) :032008 , 2022
15. C.-L. Hsu, S. Ogawa et al. ( Belle collaboration ):  Angular analysis of the low K+K- invariant mass enhancement in B+→K
+K-π+ decays.  Physical Review D  107 (3) :032013 , 2022
16. M. Kumer, S. Ogawa et al. ( Belle collaboration ):  Search for rare decays B+→Ds(*)+η,Ds(*)+\bar{K0},D +η and D+K0.  Physical Review D  107 (3) :L031101 , 2022
17. Seema. Choudhury et al. ( Belle collaboration ):  Measurement of the B+/B0 production ratio in e+e- collisions at the ϒ(4S) resonance using B→J/ψ(ℓℓ)K decays at Belle.  Physical Review D  107 (3) :L031102 , 2022
18. F.J. Abudinen, S. Ogawa et al. ( BelleII collaboration ):  Measurement of the Ωc0 lifetime at Belle II.  Physical Review D  107 (3) :L031103 , 2022
19. J.H. Yin., S. Ogawa et al. ( Belle collaboration ):  Search for X(3872)→π+π-π0 at Belle.  Physical Review D  107 (5) :052004 , 2022
20. J. Borah, S. Ogawa et al. ( Belle collaboration ):  Search for the decay Bs0→π0π0 at Belle.  Physical Review D  107 (5) :L051101 , 2023
21. G. Gong, S. Ogawa et al. ( Belle collaboration ):  Study of e+e-→Σ0Σ0 and Σ+Σ- by initial state radiation method at Belle.  Physical Review D  107 (7) :072008 , 2022
22. F. Meier, S. Ogawa et al. ( Belle collaboration ):  First observation of B→\bar(D1}(→\bar{D}π+π-)ℓ+ν and measurement of the B→\bar{D(*)}πℓ+ν and B→\bar{D(*)+π-+ν branching fractions with hadronic tagging at Belle.  Physical Review D  107 (9) :092003 , 2022
23. F. Abudinen, S. Ogawa et al. ( BelleII collaboration ):  Measurement of the B0 lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019–2021 Belle II data.  Physical Review D  107 (9) :L091102 , 2023
24. F. Abudinen, S. Ogawa et al. ( BelleII collaboration ):  Search for a Dark Photon and an Invisible Dark Higgs Boson in μ+μ- and Missing Energy Final States with the Belle II Experiment.  Physical Review Letters  130 (0) :071804 , 2022
25. Y. Ma, S. Ogawa et al. ( Belle collaboration ):  First Observation of Λπ+ and Λπ- Signals near the \bar{K}N(I=1) Mass Threshold in Λc+→Λπ+π+π- Decay.  Physical Review Letters  130 (15) :151903 , 2022
26. I. Adachi , S. Ogawa et al. ( BelleII collaboration ):  Search for Lepton-Flavor-Violating τ Decays to a Lepton and an Invisible Boson at Belle II.  Physical Review Letters  130 (18) :181803 , 2022
27. Y.-T. Lai, S. Ogawa et al. ( Belle collaboration ):  First Measurement of the B+→π+π0π0 Branching Fraction and CP Asymmetry.  Physical Review Letters  130 (18) :1818104 , 2022
28. I. Adachi, S. Ogawa et al. ( BelleII colalboration ):  Search for an Invisible Z’in a Final State with Two Muons and Missing Energy at Belle II.  Physical Review Letters  130 (23) :231801 , 2022
29. Y.B. Li, S. Ogawa et al. ( Belle collaboration ):  Evidence of a New Excited Charmed Baryon Decaying to Σc(2455)0,++π±.  Physical Review Letters  130 (3) :031901 , 2022
30. I. Adachi, S. Ogawa et al. ( BelleII collaboration ):  Observation of e+e-→ωχbJ(1P) and Search for χb→ωϒ(1S) at √s near 10.75 GeV.  Physical Review Letters  130 (9) :091902 , 2022
31. N. Agafonova, S. Ogawa et al. ( OPERA collaboration ):  Updated constraints on sterile neutrino mixing in the OPERA experiment using a new νe identification method.  Progress of Theoretical and Experimental Physics  2023 (3) :033C01 , 2022
32. L.K. Li, S.Ogawa et al. ( Belle collaboration ):  Search for CP violation and measurement of branching fractions and decay asymmetry parameters for
Λc+→Λℎ+ and Λc+→Σ0+ (ℎ=K,π).  Science Bullletin  68 :583 -592 , 2022
  :Corresponding Author
  :本学研究者