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  1. Article ; Online: The discovery of CP violation in B-meson decays.

    Takasaki, Fumihiko

    Proceedings of the Japan Academy. Series B, Physical and biological sciences

    2012  Volume 88, Issue 7, Page(s) 283–298

    Abstract: We present the KEK B-factory project, which discovered CP violation in B-meson decays and proved that the Kobayashi-Maskawa theory correctly explains CP violation in meson decays. ...

    Abstract We present the KEK B-factory project, which discovered CP violation in B-meson decays and proved that the Kobayashi-Maskawa theory correctly explains CP violation in meson decays.
    MeSH term(s) Acceleration ; Electrons ; Mesons ; Models, Theoretical ; Thermodynamics
    Language English
    Publishing date 2012-06-05
    Publishing country Japan
    Document type Journal Article ; Review
    ZDB-ID 161781-3
    ISSN 1349-2896 ; 0386-2208
    ISSN (online) 1349-2896
    ISSN 0386-2208
    DOI 10.2183/pjab.88.283
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

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  2. Article ; Online: Evaluation of the detection limit of net count in peak for the energy spectrum of CZT detector.

    Sakai, Hirotaka / Yoshii, Taiki / Takasaki, Fumiaki / Kawarabayashi, Jun

    Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

    2020  Volume 169, Page(s) 109569

    Abstract: Pulse shape processing techniques have been used to improve the energy spectrum of the cadmium zinc telluride (CZT) detector, however, quantitative evaluation of the improvement, to determine whether it is acceptable to the related stakeholders, is ... ...

    Abstract Pulse shape processing techniques have been used to improve the energy spectrum of the cadmium zinc telluride (CZT) detector, however, quantitative evaluation of the improvement, to determine whether it is acceptable to the related stakeholders, is required. In this study, the detection limit of net count in the full-energy absorption peak according to ISO 11929-1:2019 was selected to quantitatively evaluate the improvement of the characteristics of net count in the peak in the energy spectrum.
    Language English
    Publishing date 2020-12-24
    Publishing country England
    Document type Journal Article
    ZDB-ID 1142596-9
    ISSN 1872-9800 ; 0883-2889 ; 0969-8043
    ISSN (online) 1872-9800
    ISSN 0883-2889 ; 0969-8043
    DOI 10.1016/j.apradiso.2020.109569
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

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  3. Article ; Online: Ligand Exchange Reactions of a Monomeric Zirconium Carbonate Complex with Carboxylic Acids Studied by Extended X-ray Absorption Fine Structure, UV Absorption and Raman Spectrophotometry.

    Takasaki, Fumiyuki / Fujiwara, Kazuhiko / Kikuchi, Tomomi / Tanno, Takenori / Nakajima, Yasushi / Toyoda, Yasunori / Ogawa, Nobuaki

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

    2017  Volume 33, Issue 9, Page(s) 1007–1012

    Abstract: Ligand exchange reactions of a monomeric zirconium carbonate complex with carboxylic acids were studied by means of extended X-ray absorption fine structure (EXAFS), UV absorption spectrophotometry and Raman spectrometry. Three carboxylic acids, gluconic ...

    Abstract Ligand exchange reactions of a monomeric zirconium carbonate complex with carboxylic acids were studied by means of extended X-ray absorption fine structure (EXAFS), UV absorption spectrophotometry and Raman spectrometry. Three carboxylic acids, gluconic acid, and L-tartaric acid and citric acid, which are mono-, di- and tri-carboxylic acids, respectively, were employed in this study. These three carboxylic acids gave different spectral signatures and concentration dependences, respectively. In the gluconic acid system, the peaks on Fourier transform of EXAFS spectrum and Raman spectrum caused by carbonate ion coordinating to zirconium atom were obviously decreased with increasing gluconic acid concentration compared to the other two carboxylic acid systems. This indicates the high association ability of gluconic acid to zirconium, which was revealed by UV spectrophotometric analysis.
    Language English
    Publishing date 2017
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 1483376-1
    ISSN 1348-2246 ; 0910-6340
    ISSN (online) 1348-2246
    ISSN 0910-6340
    DOI 10.2116/analsci.33.1007
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  4. Article ; Online: Precise characterization of a corridor-shaped structure in Khufu's Pyramid by observation of cosmic-ray muons.

    Procureur, Sébastien / Morishima, Kunihiro / Kuno, Mitsuaki / Manabe, Yuta / Kitagawa, Nobuko / Nishio, Akira / Gomez, Hector / Attié, David / Sakakibara, Ami / Hikata, Kotaro / Moto, Masaki / Mandjavidze, Irakli / Magnier, Patrick / Lehuraux, Marion / Benoit, Théophile / Calvet, Denis / Coppolani, Xavier / Kebbiri, Mariam / Mas, Philippe /
    Helal, Hany / Tayoubi, Mehdi / Marini, Benoit / Serikoff, Nicolas / Anwar, Hamada / Steiger, Vincent / Takasaki, Fumihiko / Fujii, Hirofumi / Satoh, Kotaro / Kodama, Hideyo / Hayashi, Kohei / Gable, Pierre / Guerriero, Emmanuel / Mouret, Jean-Baptiste / Elnady, Tamer / Elshayeb, Yasser / Elkarmoty, Mohamed

    Nature communications

    2023  Volume 14, Issue 1, Page(s) 1144

    Abstract: Khufu's Pyramid is one of the largest archaeological monument all over the world, which still holds many mysteries. In 2016 and 2017, the ScanPyramids team reported on several discoveries of previously unknown voids by cosmic-ray muon radiography that is ...

    Abstract Khufu's Pyramid is one of the largest archaeological monument all over the world, which still holds many mysteries. In 2016 and 2017, the ScanPyramids team reported on several discoveries of previously unknown voids by cosmic-ray muon radiography that is a non-destructive technique ideal for the investigation of large-scale structures. Among these discoveries, a corridor-shaped structure has been observed behind the so-called Chevron zone on the North face, with a length of at least 5 meters. A dedicated study of this structure was thus necessary to better understand its function in relation with the enigmatic architectural role of this Chevron. Here we report on new measurements of excellent sensitivity obtained with nuclear emulsion films from Nagoya University and gaseous detectors from CEA, revealing a structure of about 9 m length with a transverse section of about 2.0 m by 2.0 m.
    Language English
    Publishing date 2023-03-02
    Publishing country England
    Document type Journal Article
    ZDB-ID 2553671-0
    ISSN 2041-1723 ; 2041-1723
    ISSN (online) 2041-1723
    ISSN 2041-1723
    DOI 10.1038/s41467-023-36351-0
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  5. Article: Response bias by neuroblastoma screening participation status and social desirability bias in an anonymous postal survey, Ishikawa, Japan.

    Makimoto, K / Iida, Y / Hayashi, M / Takasaki, F

    Journal of epidemiology

    2001  Volume 11, Issue 2, Page(s) 70–73

    Abstract: Objective: To examine response bias by neuroblastoma screening participation status in a population-based postal survey of parents in Ishikawa Prefecture, Japan.: Methods: The eligibility criteria for the study were: 1) parents whose infants were ... ...

    Abstract Objective: To examine response bias by neuroblastoma screening participation status in a population-based postal survey of parents in Ishikawa Prefecture, Japan.
    Methods: The eligibility criteria for the study were: 1) parents whose infants were born in Ishikawa Prefecture between March 1997 and February 1998, and 2) of those parents who resided in the Prefecture in March 1999. Four-page questionnaires were mailed to one-third of screening participants (n = 2,886) and all the nonparticipants (n = 1,401). Questionnaires were anonymous, with no identifiers on the questionnaire. Colored papers were used for printing questionnaires to differentiate screening participation status. Response rates were calculated using demographic information on the infant registry as the denominator and demographic characteristics data from the returned questionnaire as the numerator.
    Results: The response rate was 63% for participants and 33% for nonparticipants. The following factors were associated with lower response rates regardless of screening participation status: older maternal age (> or = 35 years), higher parity (> or = 4), nuclear family status, and mother having a full-time occupation. Approximately 20% of screening nonparticipants reported having participated in the screening. Place of residence, maternal age, and parity were associated with the percentage of incorrect reporting.
    Conclusion: Screening participation status was a major factor associated with low response rate, although some demographic characteristics were also predictive of low response rates. Incorrect reporting of screening participation among nonparticipants indicates a strong social desirability bias in this official survey in Japan.
    MeSH term(s) Adult ; Bias ; Female ; Health Care Surveys/methods ; Humans ; Infant ; Japan ; Mass Screening/statistics & numerical data ; Mothers/psychology ; Neuroblastoma/prevention & control ; Social Desirability ; Surveys and Questionnaires
    Language English
    Publishing date 2001-04-27
    Publishing country Japan
    Document type Journal Article ; Multicenter Study
    ZDB-ID 1442118-5
    ISSN 0917-5040
    ISSN 0917-5040
    DOI 10.2188/jea.11.70
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    Zs.A 4931: Show issues Location:
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    Jg. 1995 - 2021: Lesesall (2.OG)
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  6. Book: Performance of scintillation fiber calorimeter and readout-system with multi-anode photomultiplier tubes

    Takasaki, F

    (KEK preprint ; 89-183)

    1990  

    Author's details F. Takasaki
    Series title KEK preprint ; 89-183
    Language English
    Size 17 Doppels., graph. Darst.
    Publisher KEK, National Laboratory for High Energy Physics
    Publishing place Tsukuba
    Document type Book
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  7. Book: Development of Palstic Scintillation Fiber

    Takasaki, F

    (KEK preprint ; 86-120)

    1987  

    Author's details F. Takasaki
    Series title KEK preprint ; 86-120
    Language English
    Size 16 Doppels., Ill., graph. Darst.
    Publisher KEK, National Laboratory for High Energy Physics
    Publishing place Tsukuba
    Document type Book
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  8. Book: Development of multi-anode photomultiplier tube

    Takasaki, F

    (KEK preprint ; 87-10)

    1987  

    Author's details F. Takasaki
    Series title KEK preprint ; 87-10
    Language English
    Size 11 Doppels., graph. Darst.
    Publisher KEK, National Laboratory for High Energy Physics
    Publishing place Tsukuba
    Document type Book
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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  9. Article ; Online: A monomeric [Zr(CO3)4](4-) complex in an ammonium zirconium carbonate aqueous solution studied by extended X-ray absorption fine structure, Raman and nuclear magnetic resonance spectroscopy.

    Takasaki, Fumiyuki / Fujiwara, Kazuhiko / Nakajima, Yasushi / Nishikawa, Taku / Masu, Hyuma / Imanari, Mamoru / Hidaka, Yuki / Ogawa, Nobuaki

    Dalton transactions (Cambridge, England : 2003)

    2015  Volume 44, Issue 2, Page(s) 645–652

    Abstract: The speciation of zirconium complexes in ammonium zirconium carbonate (AZC) solutions should be further studied in order to develop high-performance AZC complexes for use in elaborate industrial materials. Thus, the speciation and the structure of ... ...

    Abstract The speciation of zirconium complexes in ammonium zirconium carbonate (AZC) solutions should be further studied in order to develop high-performance AZC complexes for use in elaborate industrial materials. Thus, the speciation and the structure of various zirconium species in ammonium zirconium carbonate solutions were investigated over a wide range of total carbonate and ammonium concentrations. By employing extended X-ray absorption fine structure analysis, and Raman and (13)C NMR spectroscopy, it was found that four carbonate ions coordinate bidentately to the zirconium ion. In addition, the exact concentration ranges of carbonate and ammonium in AZC necessary to generate the monomeric zirconium carbonate complex [Zr(CO3)4](4-) were determined.
    Language English
    Publishing date 2015-01-14
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/c4dt02022g
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Book: VENUS at TRISTAN

    Takasaki, F

    (KEK preprint ; 84-16)

    1984  

    Author's details presented by F. Takasaki. VENUS Collaboration
    Series title KEK preprint ; 84-16
    Language English
    Size 20 S., Doppels. 21 - 65, Ill., graph. Darst.
    Publisher KEK, National Laboratory for High Energy Physics
    Publishing place Tsukuba, Ibaraki-ken
    Document type Book
    Database Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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