Laser test of the prototype of CEE time projection chamber

Huang, W.; Lu, Fei; Li, He; Dong, He; Ye, Yong-jin; Zhou, Chen-Sheng; Liu, Longxiang; Du, Li; Jin, Xipeng; Peng-Liu,; Chen, Jinhui; Zhang, Song; Chen, Zhong; Wu, Chen; Li, Qite; Zang, H. L.; Ge, Y.; Lin, C. J.; Jia, H. M.; Ma, Nan-Ru; Wang, Dong-Xi; Ma, P.; Xu, Jun; Fang, Deqing; Ma, Yinfa

doi:10.1007/s41365-018-0382-4

Cited by 19 publications

(5 citation statements)

References 22 publications

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“…Detector stability and inhibition of positive ion feedback, gain multiplication can be obtained by cascading two or three layers on top of each other. As a result, GEMs and Micromegas are getting popular for TPC [153][154][155]. The aluminum grid is partially removed for better visibility.…”

Section: Main Structure and Readout Modementioning

confidence: 99%

Advances in nuclear detection and readout techniques

He,

Niu,

Wang

et al. 2023

NUCL SCI TECH

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Abstract“A Craftsman Must Sharpen His Tools to Do His Job,” said Confucius. Nuclear detection and readout techniques are the foundation of particle physics, nuclear physics, and particle astrophysics to reveal the nature of the universe. Also, they are being increasingly used in other disciplines like nuclear power generation, life sciences, environmental sciences, medical sciences, etc. The article reviews the short history, recent development, and trend of nuclear detection and readout techniques, covering Semiconductor Detector, Gaseous Detector, Scintillation Detector, Cherenkov Detector, Transition Radiation Detector, and Readout Techniques. By explaining the principle and using examples, we hope to help the interested reader underst and this research field and bring exciting information to the community.

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Section: Main Structure and Readout Modementioning

confidence: 99%

Advances in nuclear detection and readout techniques

He,

Niu,

Wang

et al. 2023

NUCL SCI TECH

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“…Figure 1(a) shows the sketch of the CEE spectrometer. The detector subsystem consists of: superconducting dipole magnet used to deflect charged particles; Silicon Pixel positioning detector (SiPiX) to measure the position, time of the incident beam, and primary collision vertex [34]; Time Projection Chamber (TPC) to reconstruct the particle trajectory and identify particles [35]; Time-of-flight chamber (TOF) to extend particle identification to high momentum, containing a start-time detector (T0) [36], an inner time-of-flight detector (iTOF) [37], and an end-cap time-of-flight detec-tor (eTOF) [38]; ZDC to measure the pattern (deposited energy and incident position) of forward-going charged particles emitted from nucleus-nucleus collisions [39].…”

Section: Cee-zdcmentioning

confidence: 99%

Event plane determination from Zero Degree Calorimeter at the Cooling-Storage-Ring External-target Experiment

Liu¹,

Pei²,

Wang³

et al. 2023

Preprint

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The Cooling-Storage-Ring External-target Experiment (CSR-CEE) is a spectrometer to study the nature of nuclear matter created in heavy ion collision at √ sNN = 2.1 -2.4 GeV, aiming to reveal Quantum Chromodynamics (QCD) phase structure in the high-baryon density region. Collective flow is regarded as an effective probe for studying the properties of the medium in high-energy nuclear collisions. One of the main functions of the Zero-Degree Calorimeter (ZDC), a sub-detector system in CEE, is to determine the reaction-plane in heavy ion collisions, which is crucial for the measurements of collective flow and other reaction plane related analysis. In this paper, we illustrate the procedures of event plane determination from ZDC. Finally, predictions of the rapidity dependence of directed and elliptic flow for p, d, t, 3 He and 4 He, from 2.1 GeV U+U collisions of IQMD model calculations, are presented.

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“…Since there is a considerable variation of particle momentum with polar angle, two arrays of detectors are designed for identifying the particles at the front (𝜃 < 25 • ) and at large angles (𝜃 > 25 • ). The Time Projection Chamber (TPC) [13] and the inner TOF (iTOF) [14] systems are installed inside the dipole magnet and cover the intermediate rapidity zone. As front-angle detectors, the Multi-Wire Drift Chamber (MWDC) [15] and the external TOF (eTOF) [16,17] wall are placed downstream of the magnet, allowing longer flight distance for better resolution in particle identification.…”

Section: Introductionmentioning

confidence: 99%

Determination of impact parameter for CEE with digi-input neural networks

Wang,

Han

et al. 2024

J. Inst.

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The impact parameter characterizes the centrality in nucleus-nucleus collision geometry. The determination of impact parameters in real experiments is usually based on the reconstructed particle attributes or the derived event-level observables. For the scheduled Cooler-storage-ring External-target Experiment (CEE), the low beam energy reduces correlation between the impact parameter and charged particle multiplicity, which decreases the validity of the explicit determination methods. This work investigates a few neural network-based models that directly take the digitized signals from the external Time-of-flight detectors as input. The model with the best performance shows a mean absolute error of 0.479 fm with simulated U-U collisions at 0.5 AGeV. The performances of the models implemented with digi inputs are compared with reference models with phase space inputs, showing the capability of neural networks to handle the original but potentially interrelated digitized signal information.

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Laser test of the prototype of CEE time projection chamber

Cited by 19 publications

References 22 publications

Advances in nuclear detection and readout techniques

Advances in nuclear detection and readout techniques

Event plane determination from Zero Degree Calorimeter at the Cooling-Storage-Ring External-target Experiment

Determination of impact parameter for CEE with digi-input neural networks

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