Speaker
Description
The High EffiCiency TOtal absorption spectrometeR (HECTOR) is a summing spectrometer comprised of 16 NaI(Tl) segmented crystals with 2 PMTs on each segment to allow for optimal light collection from incident $\gamma$-rays. The arrangement of the 16 NaI(Tl) crystals allows for almost total 4$\pi$ angular coverage to capture and sum together all $\gamma$-rays following the dexcitation of the compound nucleus formed during the reaction. An overview of the recent and current measurements with HECTOR to constrain the p-process will be discussed, including: 1) Cross-sections measured with HECTOR for (p,$\gamma$) and ($\alpha$,$\gamma$) reactions on $^{102}$Pd and $^{108,110}$Cd and their impact on the predictions of the $\gamma$-process abundances along with new branching point temperature constraints for $^{111}$In($\gamma$,n)/($\gamma$,p). 2) Cross-section measurements over possible resonant structures for $^{92,94}$Mo(p,$\gamma$) and their reaction rate impacts. 3) Current work on measuring the cross-sections for (p,$\gamma$) and ($\alpha$,$\gamma$) on $^{112,114,116}$Sn and $^{108}$Pd(p,$\gamma$)$^{109}$Ag. 4) Future projects to continue measurements in this mass region. This project was supported by the National Science Foundation (NSF) under grant numbers PHY-2011890 and PHY-2310059.
| Length of presentation requested | Oral presentation: 17 min + 3 min questions |
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| Please select a keyword related to your abstract | Nuclear Theory and Experiments |
