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1. Development and implementation of advanced beam diagnostic and abort systems in SuperKEKB NSTL国家科技图书文献中心

Yoshihara, K. |  Abe, T.... -  《Nuclear Instruments and Methods in Physics Research,Section A.Accelerators, Spectrometers, Detectors and Associated Equipment》 - 2025,1072 - 共15页

摘要:The SuperKEKB/Belle II experiment aims at |  collecting high-statistics data of B meson pairs to explore |  new physics beyond the Standard Model (SM | ). SuperKEKB, an upgraded version of the KEKB accelerator | , has achieved a world-record luminosity of 4.71x1034
关键词: Loss monitors |  Belle II |  SuperKEKB |  Beam abort |  Beam monitor |  Beam diagnostics |  EMT |  Sudden beam loss |  White rabbit |  Movable collimators

2. Multi-collimator proton minibeam radiotherapy with joint dose and PVDR optimization NSTL国家科技图书文献中心

Zhang, Weijie |  Hong, Xue... -  《Medical Physics》 - 2025,52(2) - 1182~1192 - 共11页

摘要: collimators. The collimator selection per field is OAR |  premade multi-slit collimators with different center-to |  collimators with joint dose and PVDR optimization algorithm | , via multi-collimator pMBRT (MC-pMBRT) treatment |  comparing the single-collimator (SC) approach with the
关键词: IMPT |  inverse optimization |  peak-to-valley dose ratio (PVDR) |  proton minibeam radiotherapy (pMBRT) |  spatially fractionated radiotherapy (SFRT) |  treatment planning |  peak‐to‐valley dose ratio (PVDR)

3. Monte Carlo modeling of a commercial machine and experimental setup for FLASH-minibeam irradiations with electrons NSTL国家科技图书文献中心

Bonfrate, Anthony |  Ronga, Maria Grazia... -  《Medical Physics》 - 2025,52(2) - 1224~1234 - 共11页

摘要: different 65-mm thick brass collimators as manufactured | %. With the PMBT collimators in place, discrepancies |  collimator parameters to assess their specific impact on |  setup. PMBT collimator parameters need to be optimized | BackgroundUltra-high dose rate (UHDR/FLASH
关键词: electrons |  FLASH |  particle minibeam therapy |  ultra-high dose rate |  ultra‐high dose rate

4. An SSDLs calibration method for the kerma-area product meter NSTL国家科技图书文献中心

Yang, Qian |  Xu, Shimeng... -  《Radiation Physics and Chemistry》 - 2025,226 - 共6页

摘要: calibration of the transmitted beam. The collimators used to | The kerma-area product meter (KAP meter) is |  mainly used for quality assurance in medical imaging |  research, providing dose quality assessment or dose |  monitoring for patients. It can be calibrated either in the
关键词: KAP meter |  SSDLs calibration |  The tandem correction plane-parallel trans- |  mission ionization chamber

5. Advanced prediction of multi-leaf collimator leaf position using artificial neural network NSTL国家科技图书文献中心

Lv, Jun |  Chen, Liuli... -  《Medical Physics》 - 2025,52(5) - 3439~3449 - 共11页

摘要:BackgroundMulti-leaf collimators (MLCs) are |  fraction, gantry angle, collimator angle, X1 and X2 jaw |  crucial for modern radiotherapy as they ensure precise |  target irradiation through accurate leaf positioning | . Accurate prediction of MLC leaf positions is vital for
关键词: artificial neural network |  multi-leaf collimator |  prediction of positional deviations |  radiation therapy |  multi‐leaf collimator

6. Fundamental study on improving the quality of X-ray fluorescence computed tomography images by applying deep image prior to projection images as a pre-denoising method NSTL国家科技图书文献中心

Kusakari, Sota |  Sato, Kazuki... -  《International journal of computer assisted radiology and surgery.》 - 2025,20(4) - 665~676 - 共12页

摘要: collimators. To evaluate the effectiveness of DIP pre | PurposeWe are developing a three-dimensional X | -ray fluorescence computed tomography (3D XFCT | ) system using non-radioactive-labeled compounds for |  preclinical studies as a new modality that provides images
关键词: X-ray fluorescence computed tomography |  Deep image prior |  Denoising |  Biofunctional imaging

7. Influence of background noise on autocollimator measurement precision and method for uncertainty source elimination NSTL国家科技图书文献中心

Li, Renpu |  Wang, Zhaoyang... -  《Measurement》 - 2025,242PC - 116036~ - 共8页

摘要: structure surface of the autocollimator will cause |  accuracy of the autocollimator. In this paper, through | Reflection phenomenon of internal optical |  background noise to interfere with its imaging and |  localization results, thus reducing the measurement precision
关键词: Angular measurement accuracy |  Autocollimator |  Error calibration |  Influence model

8. A rotor-based multileaf collimator for beam shaping NSTL国家科技图书文献中心

Majernik, N. |  Andonian, G.... -  《Nuclear Instruments and Methods in Physics Research,Section A.Accelerators, Spectrometers, Detectors and Associated Equipment》 - 2025,1072 - 共5页

摘要: collimator which employs rotors with angularly dependent |  multileaf collimator (RMLC). Using a padlock-inspired | We introduce a new style of multileaf |  radius to control the masking aperture: a rotor-based |  mechanism, a single motor can set dozens of rotors, i.e
关键词: Beam control |  Multileaf collimator

9. Camera Calibration Using a Collimator System NSTL国家科技图书文献中心

Shunkun Liang |  Banglei Guan... -  《Computer Vision - ECCV 2024,Part LIII》 -  European Conference on Computer Vision - 2025, - 374~390 - 共17页

摘要: using a collimator system, which can provide a |  optical geometry of the collimator system, we prove that |  using the collimator system and demonstrate that our | Camera calibration is a crucial step in |  photogrammetry and 3D vision applications. In practical
关键词: Camera calibration |  Collimator system |  Spherical motion |  Closed-form solver |  Minimal solver

10. Optimal combination of collimator angles for dual-arc volumetric modulated arc therapy planning in stereotactic body radiotherapy for spinal metastases NSTL国家科技图书文献中心

Tsurumaki, Fumiya |  Nakajima, Yujiro... -  《Medical dosimetry》 - 2025,50(1) - 74~79 - 共6页

摘要: travel can be achieved with a first-arc collimator |  the optimal second-arc collimator angles when the |  first-arc collimator angle is fixed to 90 degrees in |  prescribed, and the first-arc collimator angle was fixed to |  90 degrees while varying the second-arc collimator
关键词: Treatment planning |  VMAT |  Spine SBRT |  Collimator angle
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