Comprehensive study of dark matter beyond WIMP paradigm

超越 WIMP 范式的暗物质综合研究

基本信息

  • 批准号:
    19J10946
  • 负责人:
  • 金额:
    $ 1.22万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for JSPS Fellows
  • 财政年份:
    2019
  • 资助国家:
    日本
  • 起止时间:
    2019-04-25 至 2021-03-31
  • 项目状态:
    已结题

项目摘要

In the second year of the JSPS research program, I am mainly interested in other applications of the axion-like particles (ALP). This September, I was invited by Prof. Chuan-Ren Chen at National Taiwan Normal University (NTNU) to have an academic visit. During this period, Prof. Chen wants to explain the MiniBooNE excess of electron-like events by using the ALP. The MiniBooNE is an experiment located at Fermilab. Recently, they have updated their results with increased data and new background analyses. In this project, we assume that the ALP only couples to an electron and a sterile neutrino. In a proper parameter region, our model can fit the MiniBooNE excess. Our strategy is as follows. First, the proton beam from the Fermilab booster hitting on a beryllium target, where a lot of mesons such as kaon and pion are produced. Through the mixing between the active neutrinos and sterile neutrino, the meson can decay into a charged lepton and a sterile neutrino, and the sterile neutrino would travel a few hundred meters and arrive at the MiniBooNE detector. Inside the detector region, the sterile neutrino would decay into an active neutrino and an ALP via the neutrino mixing, and the ALP would subsequently decay into an electron-positron pair that can mimic the electron-like events. The reason is that the MiniBooNE sensors cannot distinguish a collimated electron-positron pair from a single electron. For our idea to be valid, we also have to examine the parameter space we find is consistent with the observations such as bump-dump experiments and supernova explosions.
在JSPS研究计划的第二年,我主要对类轴子粒子(ALP)的其他应用感兴趣。今年九月,我应台湾师范大学陈传仁教授之邀,到该校进行学术访问。在此期间,陈教授希望通过使用ALP来解释MiniBooNE过量的电子事件。MiniBooNE是位于费米实验室的一个实验。最近,他们更新了他们的结果,增加了数据和新的背景分析。在这个项目中,我们假设ALP只耦合到一个电子和一个无菌中微子。在适当的参数范围内,我们的模型可以拟合MiniBooNE过剩。我们的战略如下。首先,来自费米实验室助推器的质子束击中铍靶,在那里产生了大量的介子,如K介子和π介子。通过活跃中微子和不育中微子的混合,介子可以衰变为带电轻子和不育中微子,而不育中微子将旅行几百米,到达MiniBooNE探测器。在探测器区域内,无菌中微子将通过中微子混合衰变为活性中微子和ALP,ALP随后将衰变为能够模拟类电子事件的电子-正电子对。这是因为MiniBooNE传感器无法区分准直的电子-正电子对和单个电子。为了使我们的想法有效,我们还必须检查我们发现的参数空间与碰撞转储实验和超新星爆炸等观测结果一致。

项目成果

期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Hidden Monopole Dark Matter via Axion Portal and its Implications for Direct Search and Beam-Dump experiments
通过 Axion Portal 隐藏的单极暗物质及其对直接搜索和束流转储实验的影响
  • DOI:
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Daido Ryuji;Ho Shu-Yu;Takahashi Fuminobu;Shu-Yu Ho;Shu-Yu Ho;Shu-Yu Ho
  • 通讯作者:
    Shu-Yu Ho
Double Higgs boson production at NLO in the high-energy limit: complete analytic results
NLO 在高能极限下产生双希格斯玻色子:完整的分析结果
  • DOI:
    10.1007/jhep01
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    5.4
  • 作者:
    J. Davies;G. Mishima;M. Steinhauser;D. Wellmann
  • 通讯作者:
    D. Wellmann
Direct Detection of Hidden Monopole Dark Matter via Axion Portal Coupling
通过轴子门户耦合直接检测隐藏的单极暗物质
  • DOI:
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Daido Ryuji;Ho Shu-Yu;Takahashi Fuminobu;Shu-Yu Ho
  • 通讯作者:
    Shu-Yu Ho
Explaining the MiniBooNE Anomalous Excess via Leptophilic ALP-Sterile Neutrino Coupling
通过亲嗜碱性磷酸酶-不育中微子耦合解释 MiniBooNE 异常过量
  • DOI:
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Chia-Hung Vincent Chang;Chuan-Ren Chen;Shu-Yu Ho;Shih-Yen Tseng
  • 通讯作者:
    Shih-Yen Tseng
Relaxing the cosmological moduli problem by low-scale inflation
通过小规模暴胀缓解宇宙模量问题
  • DOI:
    10.1007/jhep04(2019)149
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    5.4
  • 作者:
    Shu;F. Takahashi;W. Yin
  • 通讯作者:
    W. Yin
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Ho ShuーYu的其他文献

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