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Hiroki Haraguchi

Hiroki Haraguchi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 44 16818 15188 1325 1200 319 7377

Hiroki Haraguchi publications per year

The chart shows the history of publications by Hiroki Haraguchi between 1968 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroki Haraguchi published across 58 years, from 1968 to 2025, averaging 5.6 papers a year. Output peaked at 20 publications in 2000. 2 of the 327 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1968 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2000. 1968: 1 publication 1969: 1 publication 1970: 1 publication 1971: 1 publication 1972: 2 publications 1973: 1 publication 1974: 0 publications 1975: 7 publications 1976: 5 publications 1977: 6 publications 1978: 4 publications 1979: 5 publications 1980: 9 publications 1981: 10 publications 1982: 5 publications 1983: 12 publications 1984: 7 publications 1985: 13 publications 1986: 9 publications 1987: 8 publications 1988: 4 publications 1989: 1 publication 1990: 11 publications 1991: 13 publications 1992: 10 publications 1993: 9 publications 1994: 13 publications 1995: 11 publications 1996: 8 publications 1997: 11 publications 1998: 10 publications 1999: 10 publications 2000: 20 publications 2001: 12 publications 2002: 9 publications 2003: 6 publications 2004: 10 publications 2005: 10 publications 2006: 7 publications 2007: 8 publications 2008: 6 publications 2009: 3 publications 2010: 6 publications 2011: 2 publications 2012: 2 publications 2013: 1 publication 2014: 0 publications 2015: 2 publications 2016: 1 publication 2017: 1 publication 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 1 publication 2022: 0 publications 2023: 0 publications 2024: 1 publication 2025: 1 publication
1968 2025

327 publications in total across all disciplines

View publications per year as a table
Hiroki Haraguchi: publications per year, 1968 to 2025
Year Publications
1968 1
1969 1
1970 1
1971 1
1972 2
1973 1
1974 0
1975 7
1976 5
1977 6
1978 4
1979 5
1980 9
1981 10
1982 5
1983 12
1984 7
1985 13
1986 9
1987 8
1988 4
1989 1
1990 11
1991 13
1992 10
1993 9
1994 13
1995 11
1996 8
1997 11
1998 10
1999 10
2000 20
2001 12
2002 9
2003 6
2004 10
2005 10
2006 7
2007 8
2008 6
2009 3
2010 6
2011 2
2012 2
2013 1
2014 0
2015 2
2016 1
2017 1
2018 0
2019 0
2020 0
2021 1
2022 0
2023 0
2024 1
2025 1
Total 327
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Hiroki Haraguchi publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Hiroki Haraguchi sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 301–320 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 319 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764 319
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Hiroki Haraguchi D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Hiroki Haraguchi sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 44–45 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 44 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808 44
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Hiroki Haraguchi is a researcher affiliated with Nagoya University in Japan, specializing in Physics and Astronomy, with a particular focus on Nuclear and High Energy Physics. Their research spans both theoretical and experimental aspects of particle physics.

The main topics covered in Hiroki Haraguchi's work include:

  • Particle physics theoretical and experimental studies
  • Quantum Chromodynamics and Particle Interactions
  • High-Energy Particle Collisions Research
  • Noncommutative and Quantum Gravity Theories

They have contributed significantly to the understanding of rare particle decays, instrumental in the field of high-energy particle physics. Their recent publications reflect a focus on the study of the neutral kaon decay processes, which are important for probing the Standard Model and potential new physics.

Notable recent papers by Hiroki Haraguchi include:

  • Study of the KL→π0νν¯ Decay at the J-PARC KOTO Experiment (2021, Physical Review Letters)
  • Search for the KL→π0νν¯ Decay at the J-PARC KOTO Experiment (2025, Physical Review Letters)
  • First search for KL→π0γ (2020, Physical Review D)
  • Search for the $K_{L} \to π^{0} ν\barν$ Decay at the J-PARC KOTO Experiment (2024, arXiv)

Hiroki Haraguchi's work is primarily published in the following venues:

  • Physical Review Letters
  • Physical Review D
  • arXiv (Cornell University)

The scientist frequently collaborates with a consistent group of co-authors. Frequent collaborators include:

  • Naoya Hara
  • Y. Hsiung
  • T. K. Komatsubara
  • G. Y. Lim
  • T. Mari

The research conducted by Hiroki Haraguchi contributes to advancing knowledge in fundamental particle processes and high-energy experimental physics, focusing on phenomena involving kaon decays and their implications within the Standard Model and beyond.

Best Publications

  • Metallomics as integrated biometal science

    Hiroki Haraguchi

  • Multielement Determination and Speciation of Major-to-Trace Elements in Black Tea Leaves by ICP-AES and ICP-MS with the Aid of Size Exclusion Chromatography

    Hirotaka Matsuura;Akiko Hokura;Fumie Katsuki;Akihide Itoh

  • Electrostatic ion chromatography

    Wenzhi. Hu;Toyohide. Takeuchi;Hiroki. Haraguchi

  • Improvement of detection limits in laser-excited atomic fluorescence flame spectrometry

    S. J. Weeks;H. Haraguchi;J. D. Winefordner

  • Aluminum complexes in solution as studied by aluminum-27. Nuclear magnetic resonance

    Hiroki Haraguchi;Shizuo Fujiwara

  • Multielement Profiling Analyses of Biological, Geochemical, and Environmental Samples as Studied by Analytical Atomic Spectrometry

    Hiroki Haraguchi

  • Metallomics: Guidelines for terminology and critical evaluation of analytical chemistry approaches (IUPAC Technical Report)

    Ryszard Lobinski;Ryszard Lobinski;J. Sabine Becker;Hiroki Haraguchi;Bibundhendra Sarkar

  • Multielement determination of trace metals in seawater by ICP-MS with aid of down-sized chelating resin-packed minicolumn for preconcentration.

    Dwinna Rahmi;Yanbei Zhu;Eiji Fujimori;Tomonari Umemura

  • Simultaneous determination of trace metals in sea water using dithiocarbamate pre-concentration and inductively coupled plasma emission spectrometry

    C. W. McLeod;A. Otsuki;K. Okamoto;H. Haraguchi

  • Preparation of low flow-resistant methacrylate-based monolithic stationary phases of different hydrophobicity and the application to rapid reversed-phase liquid chromatographic separation of alkylbenzenes at high flow rate and elevated temperature

    Yuji Ueki;Tomonari Umemura;Yoshikazu Iwashita;Tamao Odake

  • Gadolinium Anomaly in the Distributions of Rare Earth Elements Observed for Coastal Seawater and River Waters around Nagoya City

    Yanbei Zhu;Masuki Hoshino;Hiroshi Yamada;Akihide Itoh

  • Determination of rare earth elements in human blood serum by inductively coupled plasma mass spectrometry after chelating resin preconcentration.

    Kazumi Inagaki;Hiroki Haraguchi

  • Determination of rare earth elements by liquid chromatography/inductively coupled plasma atomic emission spectrometry

    Kazuo. Yoshida;Hiroki. Haraguchi

  • Simultaneous multi-element determination of trace metals in sea water by inductively-coupled plasma atomic emission spectrometry after coprecipitation with gallium

    Tasuku Akagi;Keiichiro Fuwa;Hiroki Haraguchi

  • Assay of Alkaline Phosphatase in Salmon Egg Cell Cytoplasm with Fluorescence Detection of Enzymatic Activity and Zinc Detection by ICP-MS in Relation to Metallomics Research

    Takuya Hasegawa;Masaru Sugita;Kohei Takatani;Hirotaka Matsuura

  • Speciation of mercury compounds in waste water by microcolumn liquid chromatography using a preconcentration column with cold-vapour atomic absorption spectrometric detection

    Edison Munaf;Hiroki Haraguchi;Daido Ishii;Toyohide Takeuchi

  • Determination of alkylmercury in seawater in the nanogram per liter level by gas chromatography/atmospheric pressure helium microwave-induced plasma emission spectrometry

    Koichi. Chiba;Kazuo. Yoshida;Kiyoshi. Tanabe;Hiroki. Haraguchi

  • Multielement Determination of Rare Earth Elements in Coastal Seawater by Inductively Coupled Plasma Mass Spectrometry after Preconcentration Using Chelating Resin

    Hideyuki Sawatari;Takeshi Toda;Tomoo Saizuka;Chisen Kimata

  • Some spatial characteristics of an atmospheric pressure helium microwave-induced plasma

    Kiyoshi Tanabe;Hiroki Haraguchi;Keiichiro Fuwa

  • Multi-Element Determination of Trace Elements in Seawater by Gallium Coprecipitation and Inductively Coupled Plasma Mass Spectrometry

    Hideyuki Sawatari;Eiji Fujimori;Hiroki Haraguchi

  • Electrostatic ion chromatography

    Wenzhi Hu;Paul R Haddad

Frequent Co-Authors

Norio Teramae
Norio Teramae Tohoku University
Yukihiro Nojiri
Yukihiro Nojiri National Institute for Environmental Studies
Litong Jin
Litong Jin East China Normal University
Makoto Kimura
Makoto Kimura Nagoya University
Ryszard Lobinski
Ryszard Lobinski University of Pau and the Adour Region
J.D. Winefordner
J.D. Winefordner University of Florida
Yoshio Umezawa
Yoshio Umezawa University of Tokyo
Kazuko Yamaguchi-Shinozaki
Kazuko Yamaguchi-Shinozaki University of Tokyo
Shu Tao
Shu Tao Peking University
Masao Uchida
Masao Uchida National Institute for Environmental Studies

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