Dynamical quark effects on light quark masses.

CP-PACS, Collaboration; Ali Khan, A; Aoki, S; Boyd, G; Burkhalter, R; Ejiri, S; Fukugita, M; Hashimoto, S; Ishizuka, N; Iwasaki, Y; Kanaya, K; Kaneko, T; Kuramashi, Y; Manke, T; Nagai, K; Okawa, Masanori; Shanahan, H. P.; Ukawa, A; Yoshié, T

doi:http://dx.doi.org/10.1103/PhysRevLett.85.4674

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Dynamical quark effects on light quark masses.

https://hiroshima.repo.nii.ac.jp/records/2008514

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p4674_1.pdf (98.7 KB)

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デフォルトアイテムタイプ_（フル）(1)

公開日

2023-03-18

タイトル

Dynamical quark effects on light quark masses.

言語

作成者

CP-PACS, Collaboration
Ali Khan, A
Aoki, S
Boyd, G
Burkhalter, R
Ejiri, S
Fukugita, M
Hashimoto, S
Ishizuka, N
Iwasaki, Y
Kanaya, K
Kaneko, T
Kuramashi, Y
Manke, T
Nagai, K
Okawa, Masanori
Shanahan, H. P.
Ukawa, A
Yoshié, T

アクセス権

open access

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http://purl.org/coar/access_right/c_abf2

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主題

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Other

主題

420

内容記述

Light quark masses are calculated in lattice QCD with two degenerate flavors of dynamical quarks. The calculations are made with improved actions with lattice spacing a = 0.22–0.11 fm. In the continuum limit we find mudMS̅(2 GeV) = 3.44-0.22+0.14 MeV using the π and ρ meson masses as physical input, and msMS̅(2 GeV) = 88-6+4 MeV or 90-11+5 MeV with the K or φ meson mass as additional input. The quoted errors represent statistical and systematic combined, the latter including those from continuum and chiral extrapolations, and from renormalization factors. Compared to quenched results, two flavors of dynamical quarks reduce quark masses by about 25%.

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出版者

The American Physical Society

言語

eng

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資源タイプ識別子

http://purl.org/coar/resource_type/c_6501

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journal article

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VoR

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http://purl.org/coar/version/c_970fb48d4fbd8a85

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2025-02-21 04:26:01.566105

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Dynamical quark effects on light quark masses.

× CP-PACS, Collaboration

× Ali Khan, A

× Aoki, S

× Boyd, G

× Burkhalter, R

× Ejiri, S

× Fukugita, M

× Hashimoto, S

× Ishizuka, N

× Iwasaki, Y

× Kanaya, K

× Kaneko, T

× Kuramashi, Y

× Manke, T

× Nagai, K

× Okawa, Masanori

× Shanahan, H. P.

× Ukawa, A

× Yoshié, T

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