Simplified TeV leptophilic dark matter in light of DAMPE data
Abstract Using a simplified framework, we attempt to explain the recent DAMPE cosmic e + + e − flux excess by leptophilic Dirac fermion dark matter (LDM). The scalar (Φ0) and vector (Φ1) mediator fields connecting LDM and Standard Model particles are discussed. We find that the couplings P ⊗ S, P ⊗...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-02-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1007/JHEP02(2018)107 |
| _version_ | 1819230851106340864 |
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| author | Guang Hua Duan Lei Feng Fei Wang Lei Wu Jin Min Yang Rui Zheng |
| author_facet | Guang Hua Duan Lei Feng Fei Wang Lei Wu Jin Min Yang Rui Zheng |
| author_sort | Guang Hua Duan |
| collection | DOAJ |
| description | Abstract Using a simplified framework, we attempt to explain the recent DAMPE cosmic e + + e − flux excess by leptophilic Dirac fermion dark matter (LDM). The scalar (Φ0) and vector (Φ1) mediator fields connecting LDM and Standard Model particles are discussed. We find that the couplings P ⊗ S, P ⊗ P , V ⊗ A and V ⊗ V can produce the right bump in e + + e − flux for a DM mass around 1.5 TeV with a natural thermal annihilation cross-section < σv >∼ 3×10−26 cm 3 /s today. Among them, V ⊗V coupling is tightly constrained by PandaX-II data (although LDM-nucleus scattering appears at one-loop level) and the surviving samples appear in the resonant region, mΦ1≃2mχ $$ {m_{\varPhi}}_{{}_1}\simeq 2{m}_{\chi } $$. We also study the related collider signatures, such as dilepton production pp → Φ1 → ℓ+ℓ−, and muon g − 2 anomaly. Finally, we present a possible U(1) X realization for such leptophilic dark matter. |
| first_indexed | 2024-12-23T11:35:38Z |
| format | Article |
| id | doaj.art-cf485cf919d64b91857e1f2ac2a2ba09 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-12-23T11:35:38Z |
| publishDate | 2018-02-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-cf485cf919d64b91857e1f2ac2a2ba092022-12-21T17:48:40ZengSpringerOpenJournal of High Energy Physics1029-84792018-02-012018211410.1007/JHEP02(2018)107Simplified TeV leptophilic dark matter in light of DAMPE dataGuang Hua Duan0Lei Feng1Fei Wang2Lei Wu3Jin Min Yang4Rui Zheng5Department of Physics and Institute of Theoretical Physics, Nanjing Normal UniversityKey Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of SciencesSchool of Physics, Zhengzhou UniversityDepartment of Physics and Institute of Theoretical Physics, Nanjing Normal UniversityCAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of SciencesDepartment of Physics, University of CaliforniaAbstract Using a simplified framework, we attempt to explain the recent DAMPE cosmic e + + e − flux excess by leptophilic Dirac fermion dark matter (LDM). The scalar (Φ0) and vector (Φ1) mediator fields connecting LDM and Standard Model particles are discussed. We find that the couplings P ⊗ S, P ⊗ P , V ⊗ A and V ⊗ V can produce the right bump in e + + e − flux for a DM mass around 1.5 TeV with a natural thermal annihilation cross-section < σv >∼ 3×10−26 cm 3 /s today. Among them, V ⊗V coupling is tightly constrained by PandaX-II data (although LDM-nucleus scattering appears at one-loop level) and the surviving samples appear in the resonant region, mΦ1≃2mχ $$ {m_{\varPhi}}_{{}_1}\simeq 2{m}_{\chi } $$. We also study the related collider signatures, such as dilepton production pp → Φ1 → ℓ+ℓ−, and muon g − 2 anomaly. Finally, we present a possible U(1) X realization for such leptophilic dark matter.http://link.springer.com/article/10.1007/JHEP02(2018)107Phenomenological Models |
| spellingShingle | Guang Hua Duan Lei Feng Fei Wang Lei Wu Jin Min Yang Rui Zheng Simplified TeV leptophilic dark matter in light of DAMPE data Journal of High Energy Physics Phenomenological Models |
| title | Simplified TeV leptophilic dark matter in light of DAMPE data |
| title_full | Simplified TeV leptophilic dark matter in light of DAMPE data |
| title_fullStr | Simplified TeV leptophilic dark matter in light of DAMPE data |
| title_full_unstemmed | Simplified TeV leptophilic dark matter in light of DAMPE data |
| title_short | Simplified TeV leptophilic dark matter in light of DAMPE data |
| title_sort | simplified tev leptophilic dark matter in light of dampe data |
| topic | Phenomenological Models |
| url | http://link.springer.com/article/10.1007/JHEP02(2018)107 |
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