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Search for supernova neutrinos and constraint on the galactic star formation rate with the KamLAND data

https://repo.qst.go.jp/records/2000157
https://repo.qst.go.jp/records/2000157
c0aafd4b-5df5-4f98-b688-0f469b52245d
アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2023-02-28
タイトル
タイトル Search for supernova neutrinos and constraint on the galactic star formation rate with the KamLAND data
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 S. Abe

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S. Abe

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S. Asami

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S. Asami

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M. Eizuka

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M. Eizuka

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S. Futagi

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S. Futagi

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A. Gando

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A. Gando

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Y. Gando

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Y. Gando

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T. Gima

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T. Gima

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A. Goto

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A. Goto

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T. Hachiya

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T. Hachiya

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K. Hata

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K. Hata

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K. Hosokawa

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K. Hosokawa

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K. Ichimura

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K. Ichimura

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S. Ieki

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S. Ieki

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H. Ikeda

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H. Ikeda

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K. Inoue

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K. Inoue

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K. Ishidoshiro

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K. Ishidoshiro

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Y. Kamei

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Y. Kamei

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N. Kawada

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N. Kawada

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Y. Kishimoto

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Y. Kishimoto

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M. Koga

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M. Koga

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M. Kurasawa

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M. Kurasawa

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N. Maemura

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N. Maemura

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T. Mitsui

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T. Mitsui

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H. Miyake

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H. Miyake

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T. Nakahata

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T. Nakahata

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K. Nakamura

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K. Nakamura

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R. Nakamura

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H. Ozaki

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T. Sakai

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H. Sambonsugi

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抄録
内容記述タイプ Abstract
内容記述 We present the results of a search for core-collapse supernova neutrinos, using long-term KamLAND data from 2002 March 9 to 2020 April 25. We focus on the electron antineutrinos emitted from supernovae in the energy range of 1.8--111 MeV. Supernovae will make a neutrino event cluster with the duration of ?10 s in the KamLAND data. We find no neutrino clusters and give the upper limit on the supernova rate as to be 0.15 yr?1 with a 90% confidence level. The detectable range, which corresponds to a >95% detection probability, is 40--59 kpc and 65--81 kpc for core-collapse supernovae and failed core-collapse supernovae, respectively. This paper proposes to convert the supernova rate obtained by the neutrino observation to the Galactic star formation rate. Assuming a modified Salpeter-type initial mass function, the upper limit on the Galactic star formation rate is <(17.5--22.7) M?yr?1 with a 90% confidence level.
書誌情報 The Astrophysical Journal

巻 934, 号 1, p. 85, 発行日 2022-07
出版者
出版者 IOP Publishing
ISSN
収録物識別子タイプ ISSN
収録物識別子 2041-8213
DOI
識別子タイプ DOI
関連識別子 10.3847/1538-4357/ac7a3f
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