Generalized analysis of the direct weakly interacting massive particle searches
Generalized analysis of the direct weakly interacting massive particle searches
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DOI：
10.1103/physrevd.69.063503
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发表时间：
2003-07
影响因子：
5
通讯作者：
A. Kurylov;M. Kamionkowski
中科院分区：
文献类型：
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作者：
A. Kurylov;M. Kamionkowski
我们进行了广义分析的数据从WIMP搜索实验的点状WIMP的任意自旋和一般的洛伦兹不变的WIMP核相互作用。我们明确地表明，在非相对论性的限制，只有自旋无关（SI）和自旋相关（SD）的WIMP-核子相互作用的生存，这可以参数化只有五个独立的参数。我们探索这个五维参数空间，以确定是否在DAMA实验中观察到的年度调制可以与所有其他实验报告无效的结果是一致的。除了WIMP质量接近50 GeV且WIMP-中子SI耦合与WIMP-质子SI耦合之比为-0.77<=fn/fp<=-0.75的参数空间的一个非常小的区域之外，排除了纯SI相互作用。对于占主导地位的SD相互作用，我们发现一个上限的WIMP质量约为18 GeV，这只能被削弱，如果来自零搜索能量中微子从WIMP湮灭太阳的约束是逃避。没有一个能调和所有WIMP搜索结果的参数空间的区域可以容易地容纳在最小超对称标准模型中。
We perform a generalized analysis of data from WIMP search experiments for pointlike WIMPs of arbitrary spin and general Lorenz-invariant WIMP-nucleus interaction. We explicitly show that in the nonrelativistic limit only spin-independent (SI) and spin-dependent (SD) WIMP-nucleon interactions survive, which can be parametrized by only five independent parameters. We explore this five-dimensional parameter space to determine whether the annual modulation observed in the DAMA experiment can be consistent with all other experiments which reported null results. The pure SI interaction is ruled out except for a very small region of parameter space with the WIMP mass close to 50 GeV and the ratio of the WIMP-neutron to WIMP-proton SI couplings –0.77<=fn/fp<=–0.75. For the predominantly SD interaction, we find an upper limit on the WIMP mass of about 18 GeV, which can only be weakened if the constraint stemming from null searches for energetic neutrinos from WIMP annihilation the Sun is evaded. None of the regions of the parameter space that can reconcile all WIMP search results can be easily accommodated in the minimal supersymmetric standard model.