Related papers: Material Screening with HPGe Counting Station for …

Development of the measurement for radium using germanium detector with molecular recognition resin

High-purity germanium (HPGe) detectors are widely used for the measurement of the low concentrated radioactivities. For the Super-Kamiokande-Gadolinium project, the concentration of radium in Gd$_2$(SO$_4$)$_3{\cdot}$8H$_2$O is determined…

Instrumentation and Detectors · Physics 2021-10-28 S. Ito , K. Ichimura , Y. Takaku , K. Abe , M. Ikeda , Y. Kishimoto

Development of low-threshold detectors for low-mass dark matter searches with a p-type germanium detector operated at cryogenic temperature

This study investigates new technology for enhancing the sensitivity of low-mass dark matter detection by analyzing charge transport in a p-type germanium detector at 5.2 K. To achieve low-threshold detectors, precise calculations of the…

Instrumentation and Detectors · Physics 2023-07-05 Mathbar Raut , Dongming Mei , Sanjay Bhattarai , Rajendra Panth , Kyler Kooi , Hao Mei , Guojian Wang

CoGeNT: A Search for Low-Mass Dark Matter using p-type Point Contact Germanium Detectors

CoGeNT employs p-type point-contact (PPC) germanium detectors to search for Weakly Interacting Massive Particles (WIMPs). By virtue of its low energy threshold and ability to reject surface backgrounds, this type of device allows an…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-10 C. E. Aalseth , P. S. Barbeau , J. Colaresi , J. I. Collar , J. Diaz Leon , J. E. Fast , N. E. Fields , T. W. Hossbach , A. Knecht , M. S. Kos , M. G. Marino , H. S. Miley , M. L. Miller , J. L. Orrell , K. M. Yocum

First results on low-mass WIMP from the CDEX-1 experiment at the China Jinping underground Laboratory

The China Dark matter Experiment collaboration reports the first experimental limit on WIMP dark matter from 14.6 kg-day of data taken with a 994 g p-type point-contact germanium detector at the China Jinping underground Laboratory where…

High Energy Physics - Experiment · Physics 2013-09-17 W. Zhao , Q. Yue , K. J. Kang , J. P. Cheng , Y. J. Li , S. T. Lin , Y. Bai , Y. Bi , J. P. Chang , N. Chen , N. Chen , Q. H. Chen , Y. H. Chen , Y. C. Chuang , Z. Deng , C. Du , Q. Du , H. Gong , X. Q. Hao , H. J. He , Q. J. He , X. H. Hu , H. X. Huang , T. R. Huang , H. Jiang , H. B. Li , J. M. Li , J. Li , J. Li , X. Li , X. Y. Li , Y. L. Li , H. Y. Liao , F. K. Lin , S. K. Liu , L. C. Lv , H. Ma , S. J. Mao , J. Q. Qin , J. Ren , J. Ren , X. C. Ruan , M. B. Shen , L. Singh , M. K. Singh , A. K. Soma , J. Su , C. J. Tang , C. H. Tseng , J. M. Wang , L. Wang , Q. Wang , H. T. Wong , S. Y. Wu , W. Wu , Y. C. Wu , Y. C. Wu , Z. Z. Xianyu , H. Y. Xing , Y. Xu , X. J. Xu , T. Xue , L. T. Yang , S. W. Yang , N. Yi , C. X. Yu , H. Yu , X. Z. Yu , X. H. Zeng , Z. Zeng , L. Zhang , Y. H. Zhang , M. G. Zhao , S. N. Zhong , Z. Y. Zhou , J. J. Zhu , W. B. Zhu , X. Z. Zhu , Z. H. Zhu

Signal-background discrimination with convolutional neural networks in the PandaX-III experiment using MC simulation

The PandaX-III experiment will search for neutrinoless double beta decay of $^{136}$Xe with high pressure gaseous time projection chambers at the China Jin-Ping underground Laboratory. The tracking feature of gaseous detectors helps…

Instrumentation and Detectors · Physics 2018-08-14 Hao Qiao , Chunyu Lu , Xun Chen , Ke Han , Xiangdong Ji , Siguang Wang

Radiopurity assessment of the energy readout for the NEXT double beta decay experiment

The Neutrino Experiment with a Xenon Time-Projection Chamber (NEXT) experiment intends to investigate the neutrinoless double beta decay of 136Xe, and therefore requires a severe suppression of potential backgrounds. An extensive material…

Instrumentation and Detectors · Physics 2017-09-13 S. Cebrián , J. Pérez , I. Bandac , L. Labarga , V. Álvarez , C. D. R. Azevedo , J. M. Benlloch-Rodríguez , F. I. G. M. Borges , A. Botas , S. Cárcel , J. V. Carrión , C. A. N. Conde , J. Díaz , M. Diesburg , J. Escada , R. Esteve , R. Felkai , L. M. P. Fernandes , P. Ferrario , A. L. Ferreira , E. D. C. Freitas , A. Goldschmidt , J. J. Gómez-Cadenas , D. González-Díaz , R. M. Gutiérrez , J. Hauptman , C. A. O. Henriques , A. I. Hernandez , J. A. Hernando Morata , V. Herrero , B. J. P. Jones , A. Laing , P. Lebrun , I. Liubarsky , N. López-March , M. Losada , J. Martín-Albo , G. Martínez-Lema , A. Martínez , A. D. McDonald , F. Monrabal , C. M. B. Monteiro , F. J. Mora , L. M. Moutinho , J. Muñoz Vidal , M. Musti , M. Nebot-Guinot , P. Novella , D. R. Nygren , B. Palmeiro , A. Para , M. Querol , J. Renner , L. Ripoll , o J. Rodríguez , L. Rogers , F. P. Santos , J. M. F. dos Santos , A. Simón , C. Sofka , M. Sorel , T. Stiegler , p J. F. Toledo , J. Torrent , Z. Tsamalaidze , J. F. C. A. Veloso , J. A. Villar , R. Webb , J. T. White , N. Yahlali

Constraining Dark Matter Models with a Light Mediator from PandaX-II Experiment

We search for nuclear recoil signals of dark matter models with a light mediator in PandaX-II, a direct detection experiment in China Jinping underground Laboratory. Using data collected in 2016 and 2017 runs, corresponding to a total…

High Energy Physics - Phenomenology · Physics 2018-07-18 Xiangxiang Ren , Li Zhao , Abdusalam Abdukerim , Xun Chen , Yunhua Chen , Xiangyi Cui , Deqing Fang , Changbo Fu , Karl Giboni , Franco Giuliani , Linhui Gu , Xuyuan Guo , Ke Han , Changda He , Di Huang , Shengming He , Xingtao Huang , Zhou Huang , Xiangdong Ji , Yonglin Ju , Yao Li , Heng Lin , Huaxuan Liu , Jianglai Liu , Yugang Ma , Yajun Mao , Kaixiang Ni , Jinhua Ning , Andi Tan , Hongwei Wang , Meng Wang , Qiuhong Wang , Siguang Wang , Xiuli Wang , Shiyong Wu , Mengjiao Xiao , Pengwei Xie , Binbin Yan , Jijun Yang , Yong Yang , Hai-Bo Yu , Jianfeng Yue , Tao Zhang , Jifang Zhou , Ning Zhou , Qibin Zheng , Xiaopeng Zhou

Low X-ray bakground measurements at the Underground Canfranc Laboratory

Micromegas detectors, thanks to the good spatial and temporal discrimination capabilities, are good candidates for rare event search experiments. Recent X-ray background levels achieved by these detectors in the CAST experiment have…

Instrumentation and Detectors · Physics 2015-05-30 J. Galan , S. Aune , T. Dafni , G. Fanourakis , E. Ferrer-Ribas , J. A. Garcia , A. Gardikiotis , T. Geralis , I. Giomataris , H. Gomez , J. G. Garza , D. C. Herrera , F. J. Iguaz , I. G. Irastorza , G. Luzon , T. Papaevangelou , A. Rodriguez , J. Ruz , L. Segui , A. Tomas , T. Vafeiadis , S. C. Yildiz

Background model for the MAJORANA DEMONSTRATOR

The MAJORANA Collaboration is constructing a system containing 44 kg of high-purity Ge (HPGe) detectors to demonstrate the feasibility and potential of a future tonne-scale experiment capable of probing the neutrino mass scale to ~15 meV.…

Instrumentation and Detectors · Physics 2017-10-11 C. Cuesta , N. Abgrall , I. J. Arnquist , F. T. Avignone , A. S. Barabash , F. E. Bertrand , A. W. Bradley , V. Brudanin , M. Busch , M. Buuck , T. S. Caldwell , Y-D. Chan , C. D. Christofferson , P. -H. Chu , J. A. Detwiler , C. Dunagan , Yu. Efremenko , H. Ejiri , S. R. Elliott , A. Fullmer , A. Galindo-Uribarri , T. Gilliss , G. K. Giovanetti , M. P. Green , J. Gruszko , I. S. Guinn , V. E. Guiseppe , R. Henning , E. W. Hoppe , M. A. Howe , B. R. Jasinski , K. J. Keeter , M. F. Kidd , S. I. Konovalov , R. T. Kouzes , J. Leon , A. M. Lopez , J. MacMullin , R. D. Martin , R. Massarczyk , S. J. Meijer , S. Mertens , J. L. Orrell , C. O'Shaughnessy , A. W. P. Poon , D. C. Radford , J. Rager , K. Rielage , R. G. H. Robertson , E. Romero-Romero , B. Shanks , M. Shirchenko , A. M. Suriano , D. Tedeschi , J. E. Trimble , R. L. Varner , S. Vasilyev , K. Vetter , K. Vorren , B. R. White , J. F. Wilkerson , C. Wiseman , W. Xu , E. Yakushev , C. -H. Yu , V. Yumatov , I. Zhitnikov

Low Background Stainless Steel for the Pressure Vessel in the PandaX-II Dark Matter Experiment

We report on the custom produced low radiation background stainless steel and the welding rod for the PandaX experiment, one of the deep underground experiments to search for dark matter and neutrinoless double beta decay using xenon. The…

Instrumentation and Detectors · Physics 2016-10-12 Tao Zhang , Changbo Fu , Xiangdong Ji , Jianglai Liu , Xiang Liu , Xuming Wang , Chunfa Yao , Xunhua Yuan

Experimental Limits on Solar Reflected Dark Matter with a New Approach on Accelerated-Dark-Matter-Electron Analysis in Semiconductors

Recently a dark matter-electron (DM-electron) paradigm has drawn much attention. Models beyond the standard halo model describing DM accelerated by high energy celestial bodies are under intense examination as well. In this Letter, a…

High Energy Physics - Experiment · Physics 2024-04-25 Z. Y. Zhang , L. T. Yang , Q. Yue , K. J. Kang , Y. J. Li , H. P. An , Greeshma C. , J. P. Chang , Y. H. Chen , J. P. Cheng , W. H. Dai , Z. Deng , C. H. Fang , X. P. Geng , H. Gong , Q. J. Guo , T. Guo , X. Y. Guo , L. He , S. M. He , J. W. Hu , H. X. Huang , T. C. Huang , L. Jiang , S. Karmakar , H. B. Li , H. Y. Li , J. M. Li , J. Li , Q. Y. Li , R. M. J. Li , X. Q. Li , Y. L. Li , Y. F. Liang , B. Liao , F. K. Lin , S. T. Lin , J. X. Liu , S. K. Liu , Y. D. Liu , Y. Liu , Y. Y. Liu , H. Ma , Y. C. Mao , Q. Y. Nie , J. H. Ning , H. Pan , N. C. Qi , J. Ren , X. C. Ruan , M. K. Singh , T. X. Sun , C. J. Tang , Y. Tian , G. F. Wang , J. Z. Wang , L. Wang , Q. Wang , Y. F. Wang , Y. X. Wang , H. T. Wong , S. Y. Wu , Y. C. Wu , H. Y. Xing , R. Xu , Y. Xu , T. Xue , Y. L. Yan , N. Yi , C. X. Yu , H. J. Yu , J. F. Yue , M. Zeng , Z. Zeng , B. T. Zhang , F. S. Zhang , L. Zhang , Z. H. Zhang , J. Z. Zhao , K. K. Zhao , M. G. Zhao , J. F. Zhou , Z. Y. Zhou , J. J. Zhu

Germanium Atomic Compton Scattering Measurements and ${ab}$ ${initio}$ Many-Body Calculations: Implications for Electronic recoil Dark Matter Detection

Diverse searches for direct dark matter (DM) in effective electromagnetic and leptophilic interactions resulting from new physics, as well as Weakly Interacting Massive Particles (WIMPs) with unconventional electronic recoils, are…

Instrumentation and Methods for Astrophysics · Physics 2025-06-05 Chang-Hao Fang , Yi-Ke Shu , Shin-Ted Lin , Shu-Kui Liu , Hao-Yang Xing , Jing-Jun Zhu , Hsin-Chang Chi , Muhammed Deniz , Hai-Tao Jia , Han-Yu Li , Qian-Yun Li , Ren-Ming-Jie Li , Yu Liu , Xiao-Yu Peng , Hao-Yu Shi , Qin Wang , Henry Tsz-King Wong , Yu-Lu Yan , Li-Tao Yang , Qian Yue

Limits on light WIMPs with a germanium detector at 177 eVee threshold at the China Jinping Underground Laboratory

The China Dark Matter Experiment reports results on light WIMP dark matter searches at the China Jinping Underground Laboratory with a germanium detector array with a total mass of 20 g. The physics threshold achieved is 177 eVee ("ee"…

High Energy Physics - Experiment · Physics 2014-08-20 S. K. Liu , Q. Yue , K. J. Kang , J. P. Cheng , H. T. Wong , Y. J. Li , S. T. Lin , J. P. Chang , N. Chen , Q. H. Chen , Y. H. Chen , Y. C. Chuang , Z. Deng , Q. Du , H. Gong , X. Q. Hao , H. J. He , Q. J. He , H. X. Huang , T. R. Huang , H. Jiang , H. B. Li , J. M. Li , J. Li , J. Li , X. Li , X. Q. Li , X. Y. Li , Y. L. Li , H. Y. Liao , F. K. Lin , L. C. Lü , H. Ma , S. J. Mao , J. Q. Qin , J. Ren , J. Ren , X. C. Ruan , M. B. Shen , L. Singh , M. K. Singh , A. K. Soma , J. Su , C. J. Tang , C. H. Tseng , J. M. Wang , L. Wang , Q. Wang , S. Y. Wu , Y. C. Wu , Y. C. Wu , Z. Z. Xianyu , R. Q. Xiao , H. Y. Xing , F. Z. Xu , Y. Xu , X. J. Xu , T. Xue , C. W. Yang , L. T. Yang , S. W. Yang , N. Yi , C. X. Yu , H. Yu , X. Z. Yu , X. H. Zeng , Z. Zeng , L. Zhang , Y. H. Zhang , M. G. Zhao , W. Zhao , Z. Y. Zhou , J. J. Zhu , W. B. Zhu , X. Z. Zhu , Z. H. Zhu

Characteristics of Signals Originating Near the Lithium-Diffused N+ Contact of High Purity Germanium P-Type Point Contact Detectors

A study of signals originating near the lithium-diffused n+ contact of p-type point contact (PPC) high purity germanium detectors (HPGe) is presented. The transition region between the active germanium and the fully dead layer of the n+…

Instrumentation and Detectors · Physics 2012-07-31 The MAJORANA Collaboration , E. Aguayo , M. Amman , F. T. Avignone , A. S. Barabash , P. J. Barton , J. R. Beene , F. E. Bertrand , M. Boswell , V. Brudanin , M. Busch , Y-D. Chan , C. D. Christofferson , J. I. Collar , D. C. Combs , R. J. Cooper , J. A. Detwiler , P. J. Doe , Yu. Efremenko , V. Egorov , H. Ejiri , S. R. Elliott , J. Esterline , J. E. Fast , N. Fields , P. Finnerty , F. M. Fraenkle , A. Galindo-Uribarri , V. M. Gehman , G. K. Giovanetti , M. P. Green , V. E. Guiseppe , K. Gusey , A. L. Hallin , R. Hazama , R. Henning , E. W. Hoppe , M. Horton , S. Howard , M. A. Howe , R. A. Johnson , K. J. Keeter , M. F. Kidd , A. Knecht , O. Kochetov , S. I. Konovalov , R. T. Kouzes , B. D. LaFerriere , J. Leon , L. E. Leviner , J. C. Loach , Q. Looker , P. N. Luke , S. MacMullin , M. G. Marino , R. D. Martin , J. H. Merriman , M. L. Miller , L. Mizouni , M. Nomachi , J. L. Orrell , N. R. Overman , G. Perumpilly , D. G. Phillips , A. W. P. Poon , D. C. Radford , K. Rielage , R. G. H. Robertson , M. C. Ronquest , A. G. Schubert , T. Shima , M. Shirchenko , K. J. Snavely , D. Steele , J. Strain , V. Timkin , W. Tornow , R. L. Varner , K. Vetter , K. Vorren , J. F. Wilkerson , E. Yakushev , H. Yaver , A. R. Young , C. -H. Yu , V. Yumatov

A Gaseous Time Projection Chamber with Micromegas Readout for Low Radioactive Material Screening

Low radioactive material screening is becoming essential for rare event search experiments, such as neutrinoless double beta decay and dark matter searches in underground laboratories. A gaseous time projection chamber (TPC) can be used for…

Instrumentation and Detectors · Physics 2022-08-08 Haiyan Du , Chengbo Du , Ke Han , Shengming He , Liqiang Liu , Yue Meng , Shaobo Wang , Tao Zhang , Wenming Zhang , Li Zhao , Jifang Zhou

Signal Response Model in PandaX-4T

PandaX-4T experiment is a deep-underground dark matter direct search experiment that employs a dual-phase time projection chamber with a sensitive volume containing 3.7 tonne of liquid xenon. The detector of PandaX-4T is capable of…

Instrumentation and Detectors · Physics 2025-02-10 Yunyang Luo , Zihao Bo , Shibo Zhang , Abdusalam Abdukerim , Chen Cheng , Wei Chen , Xun Chen , Yunhua Chen , Zhaokan Cheng , Xiangyi Cui , Yingjie Fan , Deqing Fang , Changbo Fu , Mengting Fu , Lisheng Geng , Karl Giboni , Linhui Gu , Xuyuan Guo , Chencheng Han , Ke Han , Changda He , Jinrong He , Di Huang , Yanlin Huang , Zhou Huang , Ruquan Hou , Xiangdong Ji , Yonglin Ju , Chenxiang Li , Jiafu Li , Mingchuan Li , Shu Li , Shuaijie Li , Qing Lin , Jianglai Liu , Xiaoying Lu , Lingyin Luo , Wenbo Ma , Yugang Ma , Yajun Mao , Nasir Shaheed , Yue Meng , Xuyang Ning , Ningchun Qi , Zhicheng Qian , Xiangxiang Ren , Changsong Shang , Xiaofeng Shang , Guofang Shen , Lin Si , Wenliang Sun , Andi Tan , Yi Tao , Anqing Wang , Meng Wang , Qiuhong Wang , Shaobo Wang , Siguang Wang , Wei Wang , Xiuli Wang , Zhou Wang , Yuehuan Wei , Mengmeng Wu , Weihao Wu , Jingkai Xia , Mengjiao Xiao , Xiang Xiao , Pengwei Xie , Binbin Yan , Xiyu Yan , Jijun Yang , Yong Yang , Chunxu Yu , Jumin Yuan , Ying Yuan , Zhe Yuan , Xinning Zeng , Dan Zhang , Minzhen Zhang , Peng Zhang , Shu Zhang , Tao Zhang , Yingxin Zhang , Yuanyuan Zhang , Li Zhao , Qibin Zheng , Jifang Zhou , Ning Zhou , Xiaopeng Zhou , Yong Zhou , Yubo Zhou

Development of Planar P-type Point Contact Germanium Detectors for Low-Mass Dark Matter Searches

The detection of low-energy deposition in the range of sub-eV through ionization using germanium (Ge) with a bandgap of $\sim$0.7 eV requires internal amplification of charge signal. This can be achieved through high electric field which…

Instrumentation and Detectors · Physics 2022-03-23 W. -Z. Wei , H. Mei , K. Kooi , D. -M. Mei , J. Liu , J. -C. Li , R. Panth , G. -J. Wang

TREX-DM: a low background Micromegas-based TPC for low-mass WIMP detection

Dark Matter experiments are recently focusing their detection techniques in low-mass WIMPs, which requires the use of light elements and low energy threshold. In this context, we describe the TREX-DM experiment, a low background…

Instrumentation and Detectors · Physics 2016-06-22 F. J. Iguaz , J. G. Garza , F. Aznar , J. F. Castel , S. Cebrian , T. Dafni , J. A. Garcia , I. G. Irastorza , A. Lagraba , G. Luzon , A. Peiro

GIOVE - A New Detector Setup for High Sensitivity Germanium Spectroscopy At Shallow Depth

We report on the development and construction of the high-purity germanium spectrometer setup GIOVE (Germanium Inner Outer Veto), recently built and now operated at the shallow underground laboratory of the Max-Planck-Institut f\"ur…

Instrumentation and Methods for Astrophysics · Physics 2015-07-14 Gerd Heusser , Marc Weber , Janina Hakenmüller , Matthias Laubenstein , Manfred Lindner , Werner Maneschg , Hardy Simgen , Dominik Stolzenburg , Herbert Strecker

An improved design of the readout base board of the photomultiplier tube for future PandaX dark matter experiments

The PandaX project consists of a series of xenon-based experiments that are used to search for dark matter (DM) particles and to study the fundamental properties of neutrinos. The next DM experiment PandaX-4T will be using 4 ton liquid…

Instrumentation and Detectors · Physics 2020-12-15 Qibin Zheng , Yanlin Huang , Di Huang , Jianglai Liu , Xiangxiang Ren , Anqing Wang , Meng Wang , Jijun Yang , Binbin Yan , Yong Yang