Search for beta-delayed proton emission from $^{11}$Be
- Riisager, K. et al
- arXiv:2001.02566
| The set-up: the $^{11}$Be beam is coming from the left, passes several collimators and is collected on the Cu sample that is mounted on the end flange. The on-line gamma activity is recorded in a HPGe at zero degrees (far right) and in LaBr-detectors positioned at both sides. See the text for details. |
| The gamma-spectrum recorded from the $^{11}$Be beam in the HPGe detector from sample 6. The major lines are marked by their energy in keV. SE and DE denote single and double escape peaks from the 2124 keV peak. Unmarked peaks are background peaks. |
| Part of the gamma-spectrum recorded from the $^{11}$Be beam in the HPGe detector from sample 2. The line at 478 keV has contributions from a background source as well as from the sample, see text for details. Unmarked peaks are background peaks. |
| The gamma-spectrum recorded from the $^{11}$Be beam in the LaBr$_3$ detector from sample 6. Note that the energy calibration is non-linear above 2 MeV. The major lines are denoted by their energy in keV, SE and DE denote single and double escape peaks. |