Masahiro Kawasaki

365 results

Citation Summary

Most Recent

Supermassive black hole formation from Affleck-Dine mechanism with suppressed clustering on large scales

Kentaro Kasai
(
- Tokyo U., ICRR
)
,
Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tohoku U.
)
,
Shunsuke Neda
(
- Tokyo U., ICRR
)

(May 15, 2024)

e-Print:
- 2405.09790 [astro-ph.CO]

pdf

reference search5 citations

MeV gamma rays from

Q

-ball decay

Shinta Kasuya
(
- Kanagawa U.
)
,
Masahiro Kawasaki
(
- Tokyo U., IPMU and
- Tokyo U., ICRR
)
,
Naomi Tsuji
(
- Kanagawa U. and
- Wako, RIKEN
)

(Mar 3, 2024)

Published in:
- Phys.Rev.D 109 (2024) 8, 083039
•
e-Print:
- 2403.01675 [hep-ph]

pdfDOI

reference search2 citations

Affleck-Dine leptogenesis scenario for resonant production of sterile neutrino dark matter

Kentaro Kasai
(
- Tokyo U., ICRR
)
,
Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tohoku U.
)

(Feb 19, 2024)

Published in:
- JCAP 08 (2024) 008
•
e-Print:
- 2402.11902 [hep-ph]

pdfDOI

reference search1 citation

Primordial origin of supermassive black holes from axion bubbles

Kentaro Kasai
(
- Tokyo U., ICRR
)
,
Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Naoya Kitajima
(
- Tohoku U., IIAIR and
- Tohoku U.
)
,
Kai Murai
(
- Tohoku U.
)
,
Shunsuke Neda
(
- Tokyo U., ICRR
)

et al.

(Oct 20, 2023)

Published in:
- JCAP 05 (2024) 092
•
e-Print:
- 2310.13333 [astro-ph.CO]

pdfDOI

reference search6 citations

Axion curvaton model for the gravitational waves observed by pulsar timing arrays

Keisuke Inomata
(
- Johns Hopkins U. and
- Chicago U., EFI and
- Chicago U., KICP
)
,
Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kyohei Mukaida
(
- KEK, Tsukuba and
- Sokendai, Tsukuba
)
,
Tsutomu T. Yanagida
(
- Tokyo U., IPMU and
- Shanghai Jiaotong U.
)

(Sep 20, 2023)

Published in:
- Phys.Rev.D 109 (2024) 4, 043508
•
e-Print:
- 2309.11398 [astro-ph.CO]

pdfDOI

reference search27 citations

Enhancement of gravitational waves at Q-ball decay including non-linear density perturbations

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tohoku U.
)

(Aug 24, 2023)

Published in:
- JCAP 01 (2024) 050
•
e-Print:
- 2308.13134 [astro-ph.CO]

pdfDOI

reference search35 citations

Hill-top inflation from Dai-Freed anomaly in the standard model — a solution to the iso-curvature problem of the axion dark matter

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Tsutomu T. Yanagida
(
- Tsung-Dao Lee Inst., Shanghai and
- Tokyo U., IPMU
)

(Jun 26, 2023)

Published in:
- JCAP 01 (2024) 014
•
e-Print:
- 2306.14579 [hep-ph]

pdfDOI

reference search3 citations

Clustering of primordial black holes from QCD axion bubbles

et al.

(May 22, 2023)

Published in:
- JCAP 10 (2023) 049
•
e-Print:
- 2305.13023 [astro-ph.CO]

pdfDOI

reference search9 citations

Dai-Freed anomaly in the standard model and topological inflation

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Tsutomu T. Yanagida
(
- Shanghai Jiao Tong U. and
- Tokyo U., IPMU
)

(Apr 20, 2023)

Published in:
- JHEP 11 (2023) 106
•
e-Print:
- 2304.10100 [hep-ph]

DOI

reference search2 citations

Enhancement of second-order gravitational waves at Q-ball decay

#10

Shinta Kasuya
(
- Kanagawa U.
)
,
Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)

(Dec 27, 2022)

Published in:
- JCAP 05 (2023) 053
•
e-Print:
- 2212.13370 [astro-ph.CO]

pdfDOI

reference search17 citations

Revisiting the Affleck-Dine mechanism for primordial black hole formation

#11

Kentaro Kasai
(
- Tokyo U., ICRR
)
,
Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)

(May 20, 2022)

Published in:
- JCAP 10 (2022) 048
•
e-Print:
- 2205.10148 [astro-ph.CO]

pdfDOI

reference search14 citations

Lepton asymmetric universe

#12

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)

(Mar 17, 2022)

Published in:
- JCAP 08 (2022) 08, 041
•
e-Print:
- 2203.09713 [hep-ph]

pdfDOI

reference search37 citations

EMPRESS. 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

#13

et al.

(Mar 17, 2022)

Published in:
- Astrophys.J. 941 (2022) 2, 167
•
e-Print:
- 2203.09617 [astro-ph.CO]

DOI

reference search71 citations

Anisotropies in cosmological 21 cm background by oscillons/I-balls of ultra-light axion-like particle

#14

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kazuyoshi Miyazaki
(
- Tokyo U., ICRR
)
,
Kai Murai
(
- Tokyo U., ICRR
)
,
Hiromasa Nakatsuka
(
- Tokyo U., ICRR
)
,
Eisuke Sonomoto
(
- Tokyo U., ICRR
)

(Dec 20, 2021)

Published in:
- JCAP 08 (2022) 066
•
e-Print:
- 2112.10464 [astro-ph.CO]

pdfDOI

reference search7 citations

Physics of star-formation history and the luminosity function of galaxies therefrom

#15

(Nov 2, 2021)

Published in:
- Mon.Not.Roy.Astron.Soc. 513 (2022) 1, 8-14
•
e-Print:
- 2111.01389 [astro-ph.GA]

pdfDOI

reference search3 citations

Constraints on small-scale primordial density fluctuation from cosmic microwave background through dark matter annihilation

#16

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Hiromasa Nakatsuka
(
- Tokyo U., ICRR
)
,
Kazunori Nakayama
(
- Tohoku U. and
- Tokyo U.
)

(Oct 24, 2021)

Published in:
- JCAP 03 (2022) 03, 061
•
e-Print:
- 2110.12620 [astro-ph.CO]

pdfDOI

reference search9 citations

Free streaming length of axion-like particle after oscillon/I-ball decays

#17

Kaname Imagawa
(
- Tokyo U., ICRR
)
,
Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tokyo U., ICRR
)
,
Hiromasa Nakatsuka
(
- Tokyo U., ICRR
)
,
Eisuke Sonomoto
(
- Tokyo U., ICRR
)

(Oct 12, 2021)

Published in:
- JCAP 02 (2023) 024
•
e-Print:
- 2110.05790 [hep-ph]

pdfDOI

reference search4 citations

Strong clustering of primordial black holes from Affleck-Dine mechanism

#18

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Hiromasa Nakatsuka
(
- Tokyo U., ICRR
)

(Jul 7, 2021)

Published in:
- JCAP 10 (2021) 025,
- JCAP 10 (2021) 025
•
e-Print:
- 2107.03580 [astro-ph.CO]

pdfDOI

reference search14 citations

Revisiting CMB constraints on dark matter annihilation

#19

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Hiromasa Nakatsuka
(
- Tokyo U., ICRR
)
,
Kazunori Nakayama
(
- Tokyo U.
)
,
Toyokazu Sekiguchi
(
- KEK, Tsukuba
)

(May 18, 2021)

Published in:
- JCAP 12 (2021) 12, 015
•
e-Print:
- 2105.08334 [astro-ph.CO]

pdfDOI

reference search34 citations

Gravitational waves from type II axion-like curvaton model and its implication for NANOGrav result

#20

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Hiromasa Nakatsuka
(
- Tokyo U., ICRR
)

(Jan 27, 2021)

Published in:
- JCAP 05 (2021) 023
•
e-Print:
- 2101.11244 [astro-ph.CO]

pdfDOI

reference search37 citations

Affleck-Dine inflation in supergravity

#21

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Shusuke Ueda
(
- Tokyo U., ICRR
)

(Nov 20, 2020)

Published in:
- JCAP 04 (2021) 049
•
e-Print:
- 2011.10397 [hep-ph]

pdfDOI

reference search18 citations

NANOGrav Results and LIGO-Virgo Primordial Black Holes in Axionlike Curvaton Models

#22

Keisuke Inomata
(
- Chicago U., KICP
)
,
Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kyohei Mukaida
(
- CERN and
- DESY
)
,
Tsutomu T. Yanagida
(
)

(Nov 2, 2020)

Published in:
- Phys.Rev.Lett. 126 (2021) 13, 131301
•
e-Print:
- 2011.01270 [astro-ph.CO]

DOI

reference search83 citations

Probing Oscillons of Ultra-Light Axion-like Particle by 21cm Forest

#23

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Wakutaka Nakano
(
- Tokyo U.
)
,
Hiromasa Nakatsuka
(
- Tokyo U., ICRR
)
,
Eisuke Sonomoto
(
- Tokyo U., ICRR
)

(Oct 26, 2020)

e-Print:
- 2010.13504 [astro-ph.CO]

pdfDOI

reference search10 citations

Oscillons of Axion-Like Particle: Mass distribution and power spectrum

#24

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Wakutaka Nakano
(
- Tokyo U.
)
,
Hiromasa Nakatsuka
(
- Tokyo U., ICRR
)
,
Eisuke Sonomoto
(
- Tokyo U., ICRR
)

(Oct 19, 2020)

Published in:
- JCAP 01 (2021) 061
•
e-Print:
- 2010.09311 [astro-ph.CO]

pdfDOI

reference search13 citations

Big-bang nucleosynthesis with sub-GeV massive decaying particles

#25

Masahiro Kawasaki
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Kazunori Kohri
(
- KEK, Tsukuba and
- Sokendai, Tsukuba and
- Tokyo U., IPMU
)
,
Takeo Moroi
(
- Tokyo U., IPMU
)
,
Kai Murai
(
- Tokyo U., ICRR and
- Tokyo U., IPMU
)
,
Hitoshi Murayama
(
- UC, Berkeley and
- LBNL, Berkeley and
- Tokyo U., IPMU
)

(Jun 26, 2020)

Published in:
- JCAP 12 (2020) 048
•
e-Print:
- 2006.14803 [hep-ph]

pdfDOI

reference search45 citations

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Masahiro Kawasaki (川崎雅裕)(
Tokyo U., ICRR
)

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Masahiro Kawasaki (川崎 雅裕)(Tokyo U., ICRR)

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Masahiro Kawasaki (川崎雅裕)(
Tokyo U., ICRR
)