Parity nonconservation in neutron resonances in 232Th

Stephenson, S. L.; Bowman, J. D.; Crawford, B. E.; Delheij, P. P. J.; Frankle, C. M.; Iinuma, Masataka; Knudson, J. N.; Lowie, L. Y.; Masaike, Akira; Matsuda, Yasuyuki; Mitchell, G. E.; Penttilä, S. I.; Postma, H.; Roberson, N. R.; Seestrom, S. J.; Sharapov, E. I.; Yen, Y.-F.; Yuan, V.W.

doi:10.1103/PhysRevC.58.1236

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Parity nonconservation in neutron resonances in 232Th

https://hiroshima.repo.nii.ac.jp/records/2008302

名前 / ファイル	ライセンス	アクション
PhysRevC_58_1236.pdf (208.8 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

Parity nonconservation in neutron resonances in 232Th

言語

作成者

Stephenson, S. L.
Bowman, J. D.
Crawford, B. E.
Delheij, P. P. J.
Frankle, C. M.
Iinuma, Masataka
Knudson, J. N.
Lowie, L. Y.
Masaike, Akira
Matsuda, Yasuyuki
Mitchell, G. E.
Penttilä, S. I.
Postma, H.
Roberson, N. R.
Seestrom, S. J.
Sharapov, E. I.
Yen, Y.-F.
Yuan, V.W.

アクセス権

open access

アクセス権URI

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

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内容記述

Parity nonconservation (PNC) was measured for 24 p-wave resonances from 8 to 300 eV in 232Th by measuring the helicity dependence of the total neutron cross section for epithermal neutrons with an improved experimental system. Ten resonances show statistically significant parity violation. For these ten resonances the analyzing powers are all positive, thus confirming the previously observed sign correlation. The data are fit to the sum of two terms, a constant asymmetry and a fluctuating asymmetry. With this ansatz the root-mean-square PNC matrix element M = 1.12 meV, which corresponds to a weak spreading width Γw = 4.7× 10-7 eV. For the neighboring nuclide 238U there is no constant offset, suggesting that the sign correlation is specific to 232Th.

言語

出版者

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

出版タイプResource

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

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2025-02-21 04:19:26.292391

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アイテム

Parity nonconservation in neutron resonances in 232Th

× Stephenson, S. L.

× Bowman, J. D.

× Crawford, B. E.

× Delheij, P. P. J.

× Frankle, C. M.

× Iinuma, Masataka

× Knudson, J. N.

× Lowie, L. Y.

× Masaike, Akira

× Matsuda, Yasuyuki

× Mitchell, G. E.

× Penttilä, S. I.

× Postma, H.

× Roberson, N. R.

× Seestrom, S. J.

× Sharapov, E. I.

× Yen, Y.-F.

× Yuan, V.W.

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