通过实验寻找束中子寿命测量和瓶中子寿命测量之间差异的解释

arXiv - PHYS - Nuclear Experiment Pub Date : 2024-06-14 DOI:arxiv-2406.10378

M. F. Blatnik, L. S. Blokland, N. Callahan, J. H. Choi, S. Clayton, C. B Cude-Woods, B. W. Filippone, W. R. Fox, E. Fries, P. Geltenbort, F. M. Gonzalez, L. Hayen, K. P. Hickerson, A. T. Holley, T. M. Ito, A. Komives, S Lin, Chen-Yu Liu, M. F. Makela, C. L. Morris, R. Musedinovic, C. M. O'Shaughnessy, R. W. Pattie Jr., J. C. Ramsey, D. J. Salvat, A. Saunders, S. J. Seestrom, E. I. Sharapov, M. Singh, Z. Tang, W. F. Uhrich, J. Vanderwerp, P. Walstrom, Z. Wang, A. R. Young

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引用次数: 0

摘要

过去二十年来，对中子寿命进行了多次新的测量，并对较早的测量结果进行了重新分析。这导致冷中子束中产生质子的中子衰变率的最精确测量结果与中子贮存实验中测得的最精确寿命之间存在 4.4 个标准差的差异。在此，我们发表了对最近发表的 UCN 的分析，旨在利用 Koch 和 Hummel 提出的模型寻找对这一差异的解释。

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An experimental search for an explanation of the difference between beam and bottle neutron lifetime measurements

The past two decades have yielded several new measurements and reanalysis of older measurements of the neutron lifetime. These have led to a 4.4 standard deviation discrepancy between the most precise measurements of the neutron decay rate producing protons in cold neutron beams and the most precise lifetime measured in neutron storage experiments. Here we publish an analysis of the recently published UCN aimed a searching for an explanation of this difference using the model proposed by Koch and Hummel.

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arXiv - PHYS - Nuclear Experiment

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