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Direct observation of proton emission in 11Be
- Source :
- Phys. Rev. Lett. 123, 082501 (2019)
- Publication Year :
- 2019
-
Abstract
- The elusive $\beta^-\text{p}^+$ decay was observed in $^{11}$Be by directly measuring the emitted protons and their energy distribution for the first time with the prototype Active Target Time Projection Chamber (pAT-TPC) in an experiment performed at ISAC-TRIUMF. The measured $\beta^-\text{p}^+$ branching ratio is orders of magnitude larger than any previous theoretical model predicted. This can be explained by the presence of a narrow resonance in $^{11}$B above the proton separation energy.
- Subjects :
- Nuclear Experiment
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 123, 082501 (2019)
- Publication Type :
- Report
- Accession number :
- edsarx.1907.00114
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.123.082501