Journal article
A direct test of Auger cascade induced nucleation from heavy element contamination in C3F8 bubble chambers
Journal of instrumentation, v 17(3), pP03004
01 Mar 2022
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Understanding and quantifying the gamma-induced bubble nucleation background in clean nuclear recoil detection bubble chambers is of utmost importance to bubble chamber based dark matter searches. We present data confirming the hypothesis that large Auger cascades from high-Z elements such as iodine and xenon dramatically increase the response of C3F8 bubble chambers to gamma rays. These tests, performed with a small calibration bubble chamber filled with C3F8 + O(10) ppm xenon, show that the probability of bubble nucleation scales with the rate of xenon inner-shell vacancies, reaching values > 10% per K-Shell vacancy for Seitz thresholds of interest to future dark matter searches in bubble chambers. We also place an upper limit on bubble nucleation probability for argon Auger events, relevant to large future bubble chambers which may contain some residual atmospheric argon after the active fluid fill.
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Details
- Title
- A direct test of Auger cascade induced nucleation from heavy element contamination in C3F8 bubble chambers
- Creators
- M. Bressler - Drexel Univ, Dept Phys, 3141 Chestnut St, Philadelphia, PA 19104 USAN. Lamb - Drexel Univ, Dept Phys, 3141 Chestnut St, Philadelphia, PA 19104 USAR. Neilson - Drexel UniversityS. Windle - Drexel Univ, Dept Phys, 3141 Chestnut St, Philadelphia, PA 19104 USA
- Publication Details
- Journal of instrumentation, v 17(3), pP03004
- Publisher
- IOP Publishing Ltd
- Number of pages
- 17
- Grant note
- DE-SC0017815 / Department of Energy Office of Science, Office of High Energy Physics; United States Department of Energy (DOE) Department of Energy Office of Science Graduate Instrumentation Research Award; United States Department of Energy (DOE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000775007900002
- Scopus ID
- 2-s2.0-85126431589
- Other Identifier
- 991019167979404721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Instruments & Instrumentation