Paper | Title | Page |
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MOOC02 |
The Beam Diagnostics in the CSNS Commissioning | |
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In June, 2017, the whole accelerator components were finished the installation work in the tunnel. Followed the installation, several different machine mode commissioning were carried out. The beam diagnostics were tested and used. The beam diagnostics performance and lessons were introduced in the paper. | ||
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Slides MOOC02 [3.348 MB] | |
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MOPA12 | The Design and Use of Faraday Cage in Linac Temporary Line of CSNS | 48 |
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In the end of linac temporary line in csns, we need a faraday cage to absorb the beam. in the beam experiment it will be mounted and used twice. according to the beam energy and current of csns, we choose water-cooled pipe structure with tilted panel after simulation. the main principle of the faraday cage design is to simplify the structure and reduce the radiation activation of it, to do this, we also do the simulation of radiation. to make sure the faraday cage is safe in beam experiment, we alos plug in a pt100 Platinum resistance to monitor the temperature. after faraday cage is built and mounted on the line, it works well and sustain the beam bombardment. | ||
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Poster MOPA12 [0.471 MB] | |
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-MOPA12 | |
About • | paper received ※ 03 September 2018 paper accepted ※ 14 September 2018 issue date ※ 29 January 2019 | |
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MOPC04 | Beam Charge Measurement and System Calibration in CSNS | 122 |
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In China Spallation Neutron Source(CSNS), the beam charge monitors along the ring to the target beam transport line(RTBT) and the ring to the dump beam transport line(RDBT), are consisted of an ICT and three FCTs manufactured by Bergoz. The electronics includes a set of NI PXIe-5160 oscilloscope digitizer, and a Beam Charge Monitor(BCM) from Bergoz as supplementary. The beam charge monitors provide the following information: a) the quantity of protons bombarded the tungsten target; b) the efficiency of particle transportation; c) a T0 signal to the detectors and spectrometers of the white neutron source. With the calibration with an octopus 50Ω terminator in lab and an onboard 16-turn calibrating coils at the local control room, corrections for the introducing the 16-turn calibrating coils and the long cable were made. An accuracy of ±2% for the beam charge measurement during the machine operation has been achieved with the ICT/FCTs and a PXIe-5160 oscilloscope digitizer. | ||
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Poster MOPC04 [3.082 MB] | |
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-MOPC04 | |
About • | paper received ※ 04 September 2018 paper accepted ※ 11 September 2018 issue date ※ 29 January 2019 | |
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WEPA07 | Beam Phase Measurement System in CSNS Linac | 386 |
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We developed beam phase measurement system ourselves in CSNS (China Spallation Neutron Source). The resolution of the system is less than 0.1° and the accuracy is less than 1°. It played a key role in CSNS Linac commissioning especially in RFQ and DTL commissioning. Further we measured the beam energy by TOF (Time of Flight) method base on this system. The energy accuracy is less than 0.1 MeV. | ||
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Poster WEPA07 [1.070 MB] | |
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-WEPA07 | |
About • | paper received ※ 04 September 2018 paper accepted ※ 13 September 2018 issue date ※ 29 January 2019 | |
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