论文标题
D $^*$（2380）暗物质的间接检测前景
Indirect detection prospects for d$^*$(2380) dark matter
论文作者
论文摘要
A Bose-Einstein condensate of the hexaquark particle known as d$^*$(2380) has been recently proposed as a dark matter candidate by the authors in Bashkanov \& Watts 2020. This particle can produced in an abundant condensate state in the early universe and is argued to satisfy all the stability and weak interaction constraints of a viable dark matter candidate.这位暗物质候选者能够逃避直接检测范围，并建议由于D $^*$冷凝物的衰变而以间接的天体物理排放的形式具有最佳的观察前景。在这项工作中，我们测试了这种形式的暗物质的间接观察前景，并发现其低质量$ \ sim 2 $ gev意味着Sub-Gev伽马射线搜索在乳状银河银河系中心中具有最佳的前景，我们发现$γ_{D^*} <3.9 \ 3.9 \ 3.9 \ times 10^{-24} $ s $ s $ s $ s $ s $ s $^and 3和coma。群集在D $^*$衰减率上产生约束，两个数量级弱。在矮星系中，我们证明了未来的伽玛-400仪器有可能探测到$γ_{d^*} \ sim 10^{ - 25} $ s $ s $^{ - 1} $，并有4年的暴露时间。
A Bose-Einstein condensate of the hexaquark particle known as d$^*$(2380) has been recently proposed as a dark matter candidate by the authors in Bashkanov \& Watts 2020. This particle can produced in an abundant condensate state in the early universe and is argued to satisfy all the stability and weak interaction constraints of a viable dark matter candidate. This dark matter candidate is able to evade direct detection bounds and is suggested to have the best observational prospects in the form of indirect astrophysical emissions due to the decay of the d$^*$ condensate. In this work we test the indirect observational prospects of this form of dark matter and find that its low mass $\sim 2$ GeV mean that sub-GeV gamma-rays searches have the best prospects in the Milky-Way galactic centre where we find $Γ_{d^*} < 3.9 \times 10^{-24}$ s$^{-1}$, with current extra-galactic data from M31 and the Coma cluster producing constraints on the d$^*$ decay rate two orders of magnitude weaker. In dwarf galaxies we show that the future GAMMA-400 instrument has the potential to probe down to $Γ_{d^*} \sim 10^{-25}$ s$^{-1}$ with 4 years of exposure time.
