The Experts below are selected from a list of 35592 Experts worldwide ranked by ideXlab platform

Jin Chang - One of the best experts on this subject based on the ideXlab platform.

  • perspective of monochromatic gamma ray line detection with the high energy Cosmic Radiation detection herd facility onboard china s space station
    2016
    Co-Authors: Xiaoyuan Huang, Jin Chang, Anna S Lamperstorfer, Yuelin Sming Tsai, Ming Xu, Qiang Yuan, Yongwei Dong, Bingliang Hu, Junguang Lu, Le Wang
    Abstract:

    HERD is the High Energy Cosmic-Radiation Detection instrument proposed to operate onboard China's space station in the 2020s. It is designed to detect energetic Cosmic ray nuclei, leptons and photons with a high energy resolution (similar to 1% for electrons and photons and 20% for nuclei) and a large geometry factor (>3 m(2) sr for electrons and diffuse photons and > [2]m(2) sr for nuclei). In this work we discuss the capability of HERD to detect monochromatic gamma-ray lines, based on simulations of the detector performance. It is shown that HERD will be one of the most sensitive instruments for monochromatic gamma-ray searches at energies between similar to 10 to a few hundred GeV. Above hundreds of GeV, Cherenkov telescopes will be more sensitive due to their large effective area. As a specific example, we show that a good portion of the parameter space of a supersymmetric dark matter model can be probed with HERD. (C) 2016 Elsevier B.V. All rights reserved.

  • the high energy Cosmic Radiation detection herd facility onboard china s space station
    2014
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, Q An, Xiaojun Bi, R Battiston, J Y Chai, Jin Chang, Gang Chen
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise Cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 104 cubes of LYSO crystals, corresponding to about 55 Radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of Cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10-5; effective geometrical factors of >3 m2sr for electron and diffuse gamma-rays, >2 m2sr for Cosmic ray nuclei. R and D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO. © 2014 SPIE.

  • the high energy Cosmic Radiation detection herd facility onboard china s space station
    2014
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, R Battiston, J Y Chai, Jin Chang, T W Bao, Z Cao, Gang Chen
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise Cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 10(4) cubes of LYSO crystals, corresponding to about 55 Radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of Cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10(-5); effective geometrical factors of >3 m(2) sr for electron and diffuse gamma-rays, >2 m(2) sr for Cosmic ray nuclei. R&D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO.

Le Wang - One of the best experts on this subject based on the ideXlab platform.

  • perspective of monochromatic gamma ray line detection with the high energy Cosmic Radiation detection herd facility onboard china s space station
    2016
    Co-Authors: Xiaoyuan Huang, Jin Chang, Anna S Lamperstorfer, Yuelin Sming Tsai, Ming Xu, Qiang Yuan, Yongwei Dong, Bingliang Hu, Junguang Lu, Le Wang
    Abstract:

    HERD is the High Energy Cosmic-Radiation Detection instrument proposed to operate onboard China's space station in the 2020s. It is designed to detect energetic Cosmic ray nuclei, leptons and photons with a high energy resolution (similar to 1% for electrons and photons and 20% for nuclei) and a large geometry factor (>3 m(2) sr for electrons and diffuse photons and > [2]m(2) sr for nuclei). In this work we discuss the capability of HERD to detect monochromatic gamma-ray lines, based on simulations of the detector performance. It is shown that HERD will be one of the most sensitive instruments for monochromatic gamma-ray searches at energies between similar to 10 to a few hundred GeV. Above hundreds of GeV, Cherenkov telescopes will be more sensitive due to their large effective area. As a specific example, we show that a good portion of the parameter space of a supersymmetric dark matter model can be probed with HERD. (C) 2016 Elsevier B.V. All rights reserved.

Shuangnan Zhang - One of the best experts on this subject based on the ideXlab platform.

  • introduction to the high energy Cosmic Radiation detection herd facility onboard china s future space station
    2017
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, Q An, P Azzarello, P Bernardini, B Bertucci, Xiaojun Bi, M Bongi
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads onboard China's Space Station, which is planned for operation starting around 2025 for about 10 ...

  • the high energy Cosmic Radiation detection herd facility onboard china s space station
    2014
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, Q An, Xiaojun Bi, R Battiston, J Y Chai, Jin Chang, Gang Chen
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise Cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 104 cubes of LYSO crystals, corresponding to about 55 Radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of Cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10-5; effective geometrical factors of >3 m2sr for electron and diffuse gamma-rays, >2 m2sr for Cosmic ray nuclei. R and D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO. © 2014 SPIE.

  • the high energy Cosmic Radiation detection herd facility onboard china s space station
    2014
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, R Battiston, J Y Chai, Jin Chang, T W Bao, Z Cao, Gang Chen
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise Cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 10(4) cubes of LYSO crystals, corresponding to about 55 Radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of Cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10(-5); effective geometrical factors of >3 m(2) sr for electron and diffuse gamma-rays, >2 m(2) sr for Cosmic ray nuclei. R&D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO.

S Albergo - One of the best experts on this subject based on the ideXlab platform.

  • introduction to the high energy Cosmic Radiation detection herd facility onboard china s future space station
    2017
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, Q An, P Azzarello, P Bernardini, B Bertucci, Xiaojun Bi, M Bongi
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads onboard China's Space Station, which is planned for operation starting around 2025 for about 10 ...

  • experimental verification of the herd prototype at cern sps
    2016
    Co-Authors: Yongwei Dong, S Albergo, G Ambrosi, P Azzarello, Zheng Quan, Junjing Wang, Filippo Ambroglini, Yonglin Bai, Tianwei Bao, L Baldini
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic light house program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. Beam test with a HERD prototype, to verify the HERD specifications and the reading out method of wavelength shifting fiber and image intensified CCD, was taken at CERN SPS in November, 2015. The prototype is composed of an array of 5*5*10 LYSO crystals, which is 1/40th of the scale of HERD calorimeter. Experimental results on the performances of the calorimeter are discussed.

  • the high energy Cosmic Radiation detection herd facility onboard china s space station
    2014
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, Q An, Xiaojun Bi, R Battiston, J Y Chai, Jin Chang, Gang Chen
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise Cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 104 cubes of LYSO crystals, corresponding to about 55 Radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of Cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10-5; effective geometrical factors of >3 m2sr for electron and diffuse gamma-rays, >2 m2sr for Cosmic ray nuclei. R and D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO. © 2014 SPIE.

  • the high energy Cosmic Radiation detection herd facility onboard china s space station
    2014
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, R Battiston, J Y Chai, Jin Chang, T W Bao, Z Cao, Gang Chen
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise Cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 10(4) cubes of LYSO crystals, corresponding to about 55 Radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of Cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10(-5); effective geometrical factors of >3 m(2) sr for electron and diffuse gamma-rays, >2 m(2) sr for Cosmic ray nuclei. R&D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO.

G Ambrosi - One of the best experts on this subject based on the ideXlab platform.

  • introduction to the high energy Cosmic Radiation detection herd facility onboard china s future space station
    2017
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, Q An, P Azzarello, P Bernardini, B Bertucci, Xiaojun Bi, M Bongi
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads onboard China's Space Station, which is planned for operation starting around 2025 for about 10 ...

  • experimental verification of the herd prototype at cern sps
    2016
    Co-Authors: Yongwei Dong, S Albergo, G Ambrosi, P Azzarello, Zheng Quan, Junjing Wang, Filippo Ambroglini, Yonglin Bai, Tianwei Bao, L Baldini
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic light house program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. Beam test with a HERD prototype, to verify the HERD specifications and the reading out method of wavelength shifting fiber and image intensified CCD, was taken at CERN SPS in November, 2015. The prototype is composed of an array of 5*5*10 LYSO crystals, which is 1/40th of the scale of HERD calorimeter. Experimental results on the performances of the calorimeter are discussed.

  • the high energy Cosmic Radiation detection herd facility onboard china s space station
    2014
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, Q An, Xiaojun Bi, R Battiston, J Y Chai, Jin Chang, Gang Chen
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise Cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 104 cubes of LYSO crystals, corresponding to about 55 Radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of Cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10-5; effective geometrical factors of >3 m2sr for electron and diffuse gamma-rays, >2 m2sr for Cosmic ray nuclei. R and D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO. © 2014 SPIE.

  • the high energy Cosmic Radiation detection herd facility onboard china s space station
    2014
    Co-Authors: Shuangnan Zhang, O Adriani, S Albergo, G Ambrosi, R Battiston, J Y Chai, Jin Chang, T W Bao, Z Cao, Gang Chen
    Abstract:

    The High Energy Cosmic-Radiation Detection (HERD) facility is one of several space astronomy payloads of the Cosmic lighthouse program onboard China's Space Station, which is planned for operation starting around 2020 for about 10 years. The main scientific objectives of HERD are indirect dark matter search, precise Cosmic ray spectrum and composition measurements up to the knee energy, and high energy gamma-ray monitoring and survey. HERD is composed of a 3-D cubic calorimeter (CALO) surrounded by microstrip silicon trackers (STKs) from five sides except the bottom. CALO is made of about 10(4) cubes of LYSO crystals, corresponding to about 55 Radiation lengths and 3 nuclear interaction lengths, respectively. The top STK microstrips of seven X-Y layers are sandwiched with tungsten converters to make precise directional measurements of incoming electrons and gamma-rays. In the baseline design, each of the four side SKTs is made of only three layers microstrips. All STKs will also be used for measuring the charge and incoming directions of Cosmic rays, as well as identifying back scattered tracks. With this design, HERD can achieve the following performance: energy resolution of 1% for electrons and gamma-rays beyond 100 GeV, 20% for protons from 100 GeV to 1 PeV; electron/proton separation power better than 10(-5); effective geometrical factors of >3 m(2) sr for electron and diffuse gamma-rays, >2 m(2) sr for Cosmic ray nuclei. R&D is under way for reading out the LYSO signals with optical fiber coupled to image intensified CCD and the prototype of one layer of CALO.