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A high precision beam monitor system based on silicon carbide PIN sensor is designed for China Spallation Neutron Source 1.6 GeV proton beam to monitor the proton beam fluence.The concept design of the beam monitor system is finished…

Plasma-Based Acceleration (PBA) has emerged as a promising approach to achieve ultra-high gradient particle acceleration. While extensive PBA studies have been conducted using laser, electron, and proton drivers, significant challenges…

Accelerator Physics · Physics 2025-06-18 Jiangdong Li , Jiancheng Yang , Guoxing Xia , Jie Liu , Wenlong Zhan , Ruihu Zhu

Grating magneto-optical traps are an enabling quantum technology for portable metrological devices with ultracold atoms. However, beam diffraction efficiency and angle are affected by wavelength, creating a single-optic design challenge for…

We present a new method for fast computation of the realization-dependent bias, a major computational bottleneck in measurements of the cosmic microwave background (CMB) lensing power spectrum. The method accelerates the bias calculation by…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-19 Toshiya Namikawa , Blake D. Sherwin

The Relativistic Heavy Ion Collider (RHIC) will experience increasing longitudinal and transverse heavy ion emittances, mostly due to intra-beam scattering (IBS). The experiments in RHIC are expected to not only have reduced luminosities…

High Energy Physics - Experiment · Physics 2007-05-23 D. Trbojevic , V. M. Biryukov , M. Harrison , B. Parker , P. Thompson , A. Stevens , N. Mokhov , A. Drozhdin

Polar heavy-atom molecules have been well recognized as promising candidates for precision measurements and tests of fundamental physics. A much slower molecular beam to increase the interaction time should lead to a more sensitive…

Atomic Physics · Physics 2018-04-11 Yanning Yin , Supeng Xu , Meng Xia , Yong Xia , Jianping Yin

The efficiency of the beam extraction and collimation systems in circular accelerators with the use of the channeling effect in a bent crystal is determined. The dependences of the extraction efficiency on the geometrical parameters of the…

Accelerator Physics · Physics 2022-03-02 I. A. Yazynin , V. A. Maisheev , Yu. A. Chesnokov

As the performance gains from accelerating quantized matrix multiplication plateau, the softmax operation becomes the critical bottleneck in Transformer inference. This bottleneck stems from two hardware limitations: (1) limited data…

Machine Learning · Computer Science 2026-02-03 Zisheng Ye , Xiaoyu He , Maoyuan Song , Guoliang Qiu , Chao Liao , Chen Wu , Yonggang Sun , Zhichun Li , Xiaoru Xie , Yuanyong Luo , Hu Liu , Pinyan Lu , Heng Liao

Considering radio-interferometric observations, we present a fast and efficient estimator to compute the binned angular bispectrum (ABS) from gridded visibility data. The estimator makes use of Fast Fourier Transform (FFT) techniques to…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-14 Sukhdeep Singh Gill , Somnath Bharadwaj , Sk. Saiyad Ali , Khandakar Md Asif Elahi

This lecture gives an introduction into the design of high-energy storage ring lattices. Applying the formalism that has been established in transverse beam optics, the basic principles of the development of a magnet lattice are explained…

Accelerator Physics · Physics 2016-01-20 B. J. Holzer

At the international linear collider, measurement of the beam profile at the interaction point is a key issue to achieve high luminosity. We report a simulation study on a new beam profile monitor, called the pair monitor, which uses the…

Instrumentation and Detectors · Physics 2015-05-13 Kazutoshi Ito , Akiya Miyamoto , Tadashi Nagamine , Toshiaki Tauchi , Hitoshi Yamamoto , Yosuke Takubo , Yutaro Sato

Precise measurement of Higgs boson couplings is an important task for International Linear Collider (ILC) experiments and will facilitate the understanding of the particle mass generation mechanism. In this study, the measurement accuracies…

High Energy Physics - Experiment · Physics 2013-03-20 H. Ono , A. Miyamoto

The Fermilab Linac delivers 400 MeV H- beam to the rest of the accelerator chain. Providing stable intensity, energy, and emittance is key since it directly affects downstream machines. To operate high current beam, accelerators must…

Accelerator Physics · Physics 2023-07-11 R. Sharankova , M. Mwaniki , K. Seiya , M. Wesley

The High Intensity Heavy-Ion Accelerator Facility is a new project in the Institute of Modern Physics. The dipole magnets of all rings are conceived as fast cycled superconducting magnet with high magnetic field and large gap, the warm iron…

Instrumentation and Detectors · Physics 2015-04-20 Xiaoying Zhang , Beimin Wu , Dongsheng Ni , Yuquan Chen , Wei Wu , Lizhen Ma

In this paper, we investigate the millimeter-wave (mmWave) near-field beam training problem to find the correct beam direction. In order to address the high complexity and low identification accuracy of existing beam training techniques, we…

Information Theory · Computer Science 2024-04-10 Yuan Xu , Li Wei , Chongwen Huang , Chen Zhu , Zhaohui Yang , Jun Yang , Jiguang He , Zhaoyang Zhang , Mérouane Debbah

Binder-cumulant analysis of the critical point in the heavy-quark region of QCD is performed by Monte-Carlo simulations with the hopping-parameter expansion at $N_t=6$. We extend our previous analysis at $N_t=4$ to finer lattices and…

High Energy Physics - Lattice · Physics 2024-07-15 Ryo Ashikawa , Masakiyo Kitazawa , Shinji Ejiri , Kazuyuki Kanaya

Synchrotron radiation with the characteristic of high brilliance, high level of polarization, high collimation, low emittance and wide tunability in energy has been used as a standard source in metrology(1, 2). For a decade, lots of…

Instrumentation and Detectors · Physics 2019-08-17 LI Hua-Peng , Kun Tang , Yi-Dong Zhao , Lei Zheng , Shu-Hu Liu , Xiao-Liang Zhao , Ya-Shuai Zhao

A feed-forward ramp can be implemented in Booster to compensate the beam energy loss at different beam intensities for the purpose of minimizing the radial error signal. This can be done only when we have a good understanding about the…

Accelerator Physics · Physics 2007-05-23 Xi Yang , Rene Padilla

This paper studies a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) networked integrated sensing and communication (ISAC) system, in which multiple base stations (BSs) perform beam tracking to…

Networking and Internet Architecture · Computer Science 2025-08-19 Xiaoyu Yang , Zhiqing Wei , Jie Xu , Huici Wu , Zhiyong Feng

Over the past decade, Fermilab has focused efforts on the intensity frontier physics and is committed to increase the average beam power delivered to the neutrino and muon programs substantially. Many upgrades to the existing injector…

Accelerator Physics · Physics 2015-10-29 C. M. Bhat