China Dark Matter Experiment

The China Dark Matter Experiment (CDEX) is a search for dark matter WIMP particles at the China Jinping Underground Laboratory.[1][2] CDEX was the first experiment to be hosted at CJPL, beginning construction of its shield in June 2010, the same month that laboratory construction was completed, and before CJPL's official opening on 12 December.[3]: 154

CDEX has p-type point-contact germanium detector surrounded by NaI(Tl) crystals, similar to the CoGeNT experiment. The CDEX-0 prototype was used to develop the current CDEX-1 detector, which has a detector mass of roughly 1 kg. Future plans include scaling to CDEX-10 and CDEX-1T.[citation needed]

CDEX-1 had first low mass results in 2013 and published limits on WIMP masses 6–20 GeV in 2014.[4]

## References

1. ↑ Qian Yue (24 March 2011). "China JinPing underground Laboratory (CJPL) and China Darkmatter Experiment (CDEX)". Symposium on Future Applications of Germanium Detectors in Fundamental Research. Beijing. https://wwwgerda.mpp.mpg.de/symp/03_Yue.pdf. Retrieved 2014-11-19.
2. ↑ CDEX collaboration (1 August 2013). "Introduction to the CDEX experiment". Frontiers of Physics 8 (4): 412-437. doi:10.1007/s11467-013-0349-1. Bibcode: 2013FrPhy...8..412K. http://or.nsfc.gov.cn/bitstream/00001903-5/10778/1/1000006274613.pdf. Retrieved 1 November 2015.
3. ↑ Cheng, Jianping; Wu, Shiyong; Yue, Qian; Shen, Manbin (2011). "Guoji Dixia Shiyanshi Fazhan Zongshu" (in zh) (PDF). 物理 40 (3): 149-154. http://www.wuli.ac.cn/CN/article/downloadArticleFile.do?attachType=PDF&id=31933. Retrieved 31 October 2015. "2010年7月，中国锦屏地下实验室内第一个暗物质实验项目———中国暗物质实验（China Darkmatter Experiment, CDEX）正式开始了其暗物质实验屏蔽体的建设工作，并于2010年9月完成屏蔽体建设工作。2010年12月12日，中国锦屏地下实验室正式投入使用。CDEX 项目组率先利用中国锦屏地下实验室开始了其基于点接触技术的，极低能量阈高纯锗探测器直接探测暗物质实验 项目的，探测器系统安装和调试。 [In July 2010, the first dark matter experiment project at CJPL, China Darkmatter Experiment (CDEX), formally began the construction of its dark matter experiment shield, and completed it in September 2010. On 12 December 2010, CJPL formally began operations. The CDEX group was the first to use CJPL, and began the installation and commissioning of its ultra-low energy threshold, pure germanium probe detector system, which was based on point-contact technology, for the project on the direct probing of dark matter.]".
4. ↑ Q. Yue et al. (CDEX Collaboration) (10 November 2014). "Limits on light weakly interacting massive particles from the CDEX-1 experiment with a p-type point-contact germanium detector at the China Jinping Underground Laboratory". Physical Review D 90 (9): 091701(R). doi:10.1103/PhysRevD.90.091701. Bibcode: 2014PhRvD..90i1701Y.

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Dark matter

Forms of dark matter|

* Baryonic dark matter
* Cold dark matter
* Hot dark matter
* Light dark matter
* Mixed dark matter
* Warm dark matter
* Self-interacting dark matter
* Scalar field dark matter
* Primordial black holes

Hypothetical particles|

* Axino
* Axion
* Dark photon
* Holeum
* LSP
* Minicharged particle
* Neutralino
* Sterile neutrino
* SIMP
* WIMP

Theories and objects|

* Cuspy halo problem
* Dark fluid
* Dark galaxy
* Dark globular cluster
* Dark matter halo
* Dark radiation
* Dark star
* Dwarf galaxy problem
* Halo mass function
* Mass dimension one fermions
* Massive compact halo object
* Mirror matter
* Navarro–Frenk–White profile
* Scalar field dark matter

Search experiments|

| Direct detection|

* ADMX
* ANAIS
* ArDM
* CDEX
* CDMS
* CLEAN
* CoGeNT
* COSINE
* COUPP
* CRESST
* CUORE
* D3
* DAMA/LIBRA
* DAMA/NaI
* DAMIC
* DarkSide
* DARWIN
* DEAP
* DM-Ice
* DMTPC
* DRIFT
* EDELWEISS
* EURECA
* KIMS
* LUX
* LZ
* MACRO
* MIMAC
* NAIAD
* NEWAGE
* NEWS-G
* PandaX
* PICASSO
* PICO
* ROSEBUD
* SABRE
* SIMPLE
* TREX-DM
* UKDMC
* WARP
* XENON
* XMASS
* ZEPLIN

|

Indirect detection|

* AMS-02
* ANTARES
* ATIC
* CALET
* CAST
* DAMPE
* Fermi
* HAWC
* HESS
* IceCube
* MAGIC
* MOA
* OGLE
* PAMELA
* VERITAS

Other projects|

* MultiDark
* PVLAS

Potential dark galaxies|

* HE0450-2958
* HVC 127-41-330
* Smith's Cloud
* VIRGOHI21

Related|

* Antimatter
* Dark energy
* Exotic matter
* Galaxy formation and evolution
* Illustris project
* Imaginary mass
* Negative mass
* UniverseMachine

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