تقرير
Production of Ultra-Cold-Neutrons in Solid \alpha-Oxygen
| العنوان: | Production of Ultra-Cold-Neutrons in Solid \alpha-Oxygen |
|---|---|
| المؤلفون: | Gutsmiedl, E., Frei, A., Boehle, F., Maier, A., Paul, S., Schober, H., Orecchini, A. |
| سنة النشر: | 2009 |
| المجموعة: | Nuclear Experiment |
| مصطلحات موضوعية: | Nuclear Experiment |
| الوصف: | Our recent neutron scattering measurements of phonons and magnons in solid \alpha-oxygen have led us to a new understanding of the production mechanismen of ultra-cold-neutrons (UCN) in this super-thermal converter. The UCN production in solid \alpha-oxygen is dominated by the excitation of phonons. The contribution of magnons to UCN production becomes only slightly important above E >10 meV and at E >4 meV. Solid \alpha-oxygen is in comparison to solid deuterium less effcient in the down-scattering of thermal or cold neutrons into the UCN energy regime. Comment: 4 pages, 5 figuers |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1209/0295-5075/96/62001 |
| URL الوصول: | http://arxiv.org/abs/0911.4398 |
| رقم الأكسشن: | edsarx.0911.4398 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1209/0295-5075/96/62001 |
|---|