A Short Mean Free Path at z = 6 Favors Late and Rapid Reionization by Faint Galaxies

A Short Mean Free Path at z = 6 Favors Late and Rapid Reionization by Faint Galaxies
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DOI:
10.3847/2041-8213/ac1ace
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发表时间:
2021-05
期刊:
The Astrophysical Journal Letters
影响因子:
--
通讯作者:
C. Cain;Anson D’Aloisio;Nakul Gangolli;G. Becker
C. Cain;Anson D’Aloisio;Nakul Gangolli;G. Becker
中科院分区:
其他
文献类型:
--
作者:
C. Cain;Anson D’Aloisio;Nakul Gangolli;G. Becker

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电离光子平均自由程(λ912mfp)的最新测量结果。将λ912mfp(z=6)恢复到与测量的中心值一样低可能需要IGM块度的增加超出模拟的预测,光子预算相应增加。
Recent measurements of the ionizing photon mean free path ( λ912mfp ) at 5 6. Recovering λ912mfp(z=6) as low as the measured central value may require an increase in IGM clumpiness beyond predictions from simulations, with a commensurate increase in the photon budget.