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Production of π+, K+, K0, K*0, φ, p and Λ0 in hadronic Z0 decays
https://hiroshima.repo.nii.ac.jp/records/2008419
https://hiroshima.repo.nii.ac.jp/records/2008419857fe12c-79ec-4657-a817-87b6817e7e54
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
PhysRevD_59_052001.pdf (543.8 KB)
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| Item type | 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 | ||||||||||
| タイトル | Production of π+, K+, K0, K*0, φ, p and Λ0 in hadronic Z0 decays | |||||||||
| 言語 | en | |||||||||
| 作成者 |
SLD, Collaboration
× SLD, Collaboration
× Takahashi, Tohru
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| アクセス権 | ||||||||||
| アクセス権 | open access | |||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||
| 権利情報 | ||||||||||
| 権利情報 | Copyright (c) 1999 American Physical Society. | |||||||||
| 内容記述 | ||||||||||
| 内容記述 | We have measured the differential production cross sections as a function of scaled momentum xp=2p/Ec.m. of the identified hadron species π+, K+, K0, K*0, φ, p, Λ0, and of the corresponding antihadron species in inclusive hadronic Z0 decays, as well as separately for Z0 decays into light (u, d, s), c and b flavors. Clear flavor dependences are observed, consistent with expectations based upon previously measured production and decay properties of heavy hadrons. These results were used to test the QCD predictions of Gribov and Lipatov, the predictions of QCD in the modified leading logarithm approximation with the ansatz of local parton-hadron duality, and the predictions of three fragmentation models. The ratios of production of different hadron species were also measured as a function of xp and were used to study the suppression of strange meson, strange and non-strange baryon, and vector meson production in the jet fragmentation process. The light-flavor results provide improved tests of the above predictions, as they remove the contribution of heavy hadron production and decay from that of the rest of the fragmentation process. In addition we have compared hadron and antihadron production as a function of xp in light quark (as opposed to antiquark) jets. Differences are observed at high xp, providing direct evidence that higher-momentum hadrons are more likely to contain a primary quark or antiquark. The differences for pseudoscalar and vector kaons provide new measurements of strangeness suppression for high-xp fragmentation products. | |||||||||
| 言語 | en | |||||||||
| 出版者 | ||||||||||
| 出版者 | American Physical Society | |||||||||
| 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 | |||||||||
| 出版タイプ | ||||||||||
| 出版タイプ | VoR | |||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
| 関連情報 | ||||||||||
| 識別子タイプ | DOI | |||||||||
| 関連識別子 | 10.1103/PhysRevD.59.052001 | |||||||||
| 関連情報 | ||||||||||
| 識別子タイプ | DOI | |||||||||
| 関連識別子 | http://dx.doi.org/10.1103/PhysRevD.59.052001 | |||||||||
| 収録物識別子 | ||||||||||
| 収録物識別子タイプ | ISSN | |||||||||
| 収録物識別子 | 1550-7998 | |||||||||
| 収録物識別子 | ||||||||||
| 収録物識別子タイプ | NCID | |||||||||
| 収録物識別子 | AA00773624 | |||||||||
| 開始ページ | ||||||||||
| 開始ページ | 052001-1 | |||||||||
| 書誌情報 |
Physical Review D - Particles, Fields, Gravitation and Cosmology Physical Review D - Particles, Fields, Gravitation and Cosmology 巻 59, 号 5, p. 052001-1-052001-33, 発行日 1999-01-13 |
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| 旧ID | 18736 | |||||||||
