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Title: Bubble chambers for experiments in nuclear astrophysics

Abstract

A bubble chamber has been developed to be used as an active target system for low energy nuclear astrophysics experiments. Adopting ideas from dark matter detection with superheated liquids, a detector system compatible with γ-ray beams has been developed. This detector alleviates some of the limitations encountered in standard measurements of the minute cross-sections of interest to stellar environments. While the astrophysically relevant nuclear reaction processes at hydrostatic burning temperatures are dominated by radiative captures, in this experimental scheme we measure the time-reversed processes. Such photodisintegrations allow us to compute the radiative capture cross-sections when transitions to excited states of the reaction products are negligible. Due to the transformation of phase space, the photodisintegration cross-sections are up to two orders of magnitude higher. The main advantage of the new target-detector system is a density several orders of magnitude higher than conventional gas targets. Also, the detector is virtually insensitive to the γ-ray beam itself, thus allowing us to detect only the products of the nuclear reaction of interest. In conclusion, the development and the operation as well as the advantages and disadvantages of the bubble chamber are discussed.

Authors:
 [1];  [1];  [1];  [2];  [1];  [3];  [4];  [5];  [6];  [7]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. UGC-DAE Consortium for Scientific Research, Kolkata (India)
  3. Univ. of Chicago, Chicago, IL (United States)
  4. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  5. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  6. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  7. Univ. of Illinois at Chicago, Chicago, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1471563
Alternate Identifier(s):
OSTI ID: 1246223
Report Number(s):
arXiv:1501.06883; FERMILAB-PUB-15-677-AE
Journal ID: ISSN 0168-9002; 1341273
Grant/Contract Number:  
AC02-07CH11359; AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 781; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Nuclear astrophysics; Gamma ray beam; Bubble chamber

Citation Formats

DiGiovine, B., Henderson, D., Holt, R. J., Raut, R., Rehm, K. E., Robinson, A., Sonnenschein, A., Rusev, G., Tonchev, A. P., and Ugalde, C. Bubble chambers for experiments in nuclear astrophysics. United States: N. p., 2015. Web. doi:10.1016/j.nima.2015.01.060.
DiGiovine, B., Henderson, D., Holt, R. J., Raut, R., Rehm, K. E., Robinson, A., Sonnenschein, A., Rusev, G., Tonchev, A. P., & Ugalde, C. Bubble chambers for experiments in nuclear astrophysics. United States. doi:10.1016/j.nima.2015.01.060.
DiGiovine, B., Henderson, D., Holt, R. J., Raut, R., Rehm, K. E., Robinson, A., Sonnenschein, A., Rusev, G., Tonchev, A. P., and Ugalde, C. Fri . "Bubble chambers for experiments in nuclear astrophysics". United States. doi:10.1016/j.nima.2015.01.060. https://www.osti.gov/servlets/purl/1471563.
@article{osti_1471563,
title = {Bubble chambers for experiments in nuclear astrophysics},
author = {DiGiovine, B. and Henderson, D. and Holt, R. J. and Raut, R. and Rehm, K. E. and Robinson, A. and Sonnenschein, A. and Rusev, G. and Tonchev, A. P. and Ugalde, C.},
abstractNote = {A bubble chamber has been developed to be used as an active target system for low energy nuclear astrophysics experiments. Adopting ideas from dark matter detection with superheated liquids, a detector system compatible with γ-ray beams has been developed. This detector alleviates some of the limitations encountered in standard measurements of the minute cross-sections of interest to stellar environments. While the astrophysically relevant nuclear reaction processes at hydrostatic burning temperatures are dominated by radiative captures, in this experimental scheme we measure the time-reversed processes. Such photodisintegrations allow us to compute the radiative capture cross-sections when transitions to excited states of the reaction products are negligible. Due to the transformation of phase space, the photodisintegration cross-sections are up to two orders of magnitude higher. The main advantage of the new target-detector system is a density several orders of magnitude higher than conventional gas targets. Also, the detector is virtually insensitive to the γ-ray beam itself, thus allowing us to detect only the products of the nuclear reaction of interest. In conclusion, the development and the operation as well as the advantages and disadvantages of the bubble chamber are discussed.},
doi = {10.1016/j.nima.2015.01.060},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 781,
place = {United States},
year = {2015},
month = {1}
}

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