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researcher

K. Hayashi

42 papers hereh-index 201.2k citations84 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author2
  • first author13
  • middle author20
  • last author7

Across the 42 of 42 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA25
  • astro-ph.CO11
  • physics.ins-det3
  • math.PR2
  • astro-ph.HE1
same name
  • K. Hayashi — 35 papers, h 32
  • K. Hayashi — 34 papers, h 13
  • K. Hayashi — 15 papers, h 6
  • K. Hayashi — 9 papers, h 18
  • K. Hayashi — 9 papers, h 5
  • K. Hayashi — 7 papers, h 7

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20122024
most citedEMPRESS. VIII. A New Determination of Primordial He Abundance with Extremely Metal-Poor Galaxies: A Suggestion of the Lepton Asymmetry and Implications for the Hubble Tension

104 citations · 1.1k across the 42 of their papers we have counts for

collaborators
Showing 2023Show all

3 papers · 1 filter

astro-ph.CO2023

Indirect Detection of Decaying Dark Matter with High Angular Resolution: Case for axion search by IRCS at Subaru Telescope

Wen Yin, Kohei Hayashi

Recent advances in cosmic-ray detectors have provided exceptional sensitivities of dark matter with high angular resolution. Motivated by this, we present a comprehensive study of…

astro-ph.GA2023★ 8 cited

EMPRESS. XII. Statistics on the Dynamics and Gas Mass Fraction of Extremely-Metal Poor Galaxies

Yi Xu, Masami Ouchi, Yuki Isobe +49

We present demography of the dynamics and gas-mass fraction of 33 extremely metal-poor galaxies (EMPGs) with metallicities of 0.015−0.195 Z⊙​ and low stellar masses of $10^4-…

astro-ph.GA2023

Study of structural parameters and systemic proper motion of Sextans dwarf spheroidal galaxy with Subaru Hyper Suprime-Cam data

Akira Tokiwa, Masahiro Takada, Tian Qiu +4

We use the Subaru Hyper Suprime-Cam (HSC) data to study structural parameters and systemic proper motion of the Sextans dwarf spheroidal galaxy at the heliocentric distance of 86 k…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.