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In order to measure the total cross section for thermal neutrons, a photoneutron source (PNS, phase 1) has been developed for the acquisition of nuclear data for the Thorium Molten Salt Reactor (TMSR) at the Shanghai Institute of Applied…

Transition Radiation (TR) plays an important role in particle identification in high-energy physics and its characteristics provide a feasible method of energy calibration in the energy range up to 10 TeV, which is of interest for dark…

Instrumentation and Methods for Astrophysics · Physics 2020-04-06 Bo Huang , Hongbang Liu , Xuefeng Huang , Ming Xu , Yongwei Dong , Xiaotong Wei , Xiwen Liu , Huanbo Feng , Qinhe Yang , Jianyu Gu , Shuai Chen , Xiaochuan Xie , Jin Zhang , Yongbo Huang , Enwei Liang

We present time-resolved charge sensing measurements on a GaAs double quantum dot with two proximal quantum point contact (QPC) detectors. The QPC currents are analyzed with cross-correlation techniques, which enables us to measure dot…

Mesoscale and Nanoscale Physics · Physics 2009-02-27 B. Küng , O. Pfäffli , S. Gustavsson , T. Ihn , K. Ensslin , M. Reinwald , W. Wegscheider

Charge density difference between 206Pb and 205Tl, measured by elastic electron scattering, is very similar to the charge density due to a proton in a 3s1/2 orbit. We look for a potential well whose 3s1/2 wave function yields the measured…

Nuclear Theory · Physics 2015-04-22 M. R. Anders , S. Shlomo , I. Talmi

This Letter presents a measurement of prompt charged-particle production in proton-oxygen interactions at $\sqrt{s_\text{NN}}=9.62$ TeV center-of-mass energy with the ATLAS detector, corresponding to 634 $\mu$b$^{-1}$ of integrated…

High Energy Physics - Experiment · Physics 2026-04-08 ATLAS Collaboration

We report raster scan multiplexed charge-stability diagram measurements for tuning multiple gate-defined quantum dots in GaAs/AlGaAs heterostructures. We evaluate the charge sensitivity of the quantum point contact (QPC) in both radio…

Mesoscale and Nanoscale Physics · Physics 2019-07-02 Wonjin Jang , Min-Kyun Cho , Myungwon Lee , Changki Hong , Jehyun Kim , Hwanchul Jung , Yunchul Chung , Vladimir Umansky , Dohun Kim

We developed a method based on crossed polarizers to observe high-contrast coherent population trapping (CPT) resonance. Since crossed polarizers have a simple optical system, our method is suitable for chip-scale atomic clocks (CSACs). We…

Atomic Physics · Physics 2014-12-16 Yuichiro Yano , Shigeyoshi Goka

All of the present methods for calibration and monitoring of TOF-PET scanner detectors utilize radioactive isotopes such as e.g. $^{22}$Na or $^{68}$Ge, which are placed or rotate inside the scanner. In this article we describe a novel…

The accuracy of hadrontherapy treatment is currently limited by ion-range uncertainties. In order to fully exploit the potential of this technique, we propose the development of a novel system for online control of particle therapy, based…

We report initial research to develop a compact and practical primary thermometer based on Doppler broadening thermometry (DBT). The DBT sensor uses an intrinsic property of thermalized atoms, namely, the Doppler width of a spectral line…

Atomic Physics · Physics 2025-01-29 Nicola Agnew , Graham Machin , Erling Riis , Aidan S. Arnold

Fast procedures for the beam quality assessment and for the monitoring of beam energy modulations during the irradiation are among the most urgent improvements in particle therapy. Indeed, the online measurement of the particle beam energy…

In this work we investigated a method to determine time walk in an active silicon pixel sensor prototype using Edge-TCT with infrared laser charge injection. Samples were investigated before and after neutron irradiation to 5e14 neq/cm2.…

Accurate conversion of neutron time-of-flight (TOF) to wavelength, and its uncertainty, is of fundamental importance to neutron scattering measurements. Especially in cases where instruments are highly configurable, the determination of the…

Instrumentation and Detectors · Physics 2023-04-26 L. Vergara , M. Arai , R. Woracek , M. Olsson , A. Quintanilla , S. Alcock , J. Nilsson , K. Kanaki , P. M. Kadletz , O. Kirstein , R. Hall-Wilton , N. Tsapatsaris

Scintillator detectors electronics is recalibrated against the datasheet given by the manufacturer. Optimal and mutual dependent values of (a) high voltage at PMT (Photomultiplier Tube), (b) amplifier gain, (c) average time to count the…

Instrumentation and Detectors · Physics 2023-03-07 Mayank Goswami , Kajal Kumari

Rotating radio transients (RRATs) are sporadically emitting pulsars detectable only through searches for single pulses. While over 100 RRATs have been detected, only a small fraction (roughly 20\%) have phase-connected timing solutions,…

Instrumentation and Methods for Astrophysics · Physics 2017-12-13 Min Jiang , Bingyi Cui , Natalia Schmid , Maura McLaughlin , Zhicheng Cao

The Jiangmen Underground Neutrino Observatory (JUNO) is a multipurpose neutrino-oscillation experiment, with a 20 kiloton liquid scintillator detector of unprecedented 3\% energy resolution (at 1 MeV) at 700-meter deep underground. There…

Instrumentation and Detectors · Physics 2019-08-13 Miao He

Attosecond transient absorption spectroscopy has thus far been lacking the capability to simultaneously characterize the intense laser pulses at work within a time-resolved quantum-dynamics experiment. However, precise knowledge of these…

The Target Normal Sheath Acceleration (TNSA) regime for proton acceleration by laser pulses is experimentally consolidated and fairly well understood. However, uncertainties remain in the analysis of particle-in-cell (PIC) simulation…

Tilt-to-length (TTL) noise induced by angular jitter of spacecraft and test masses can affect the sensitivity of space-based gravitational-wave detectors such as LISA, Taiji, and TianQin. Such angular jitter can be measured using the…

General Relativity and Quantum Cosmology · Physics 2026-02-09 Xue Wang , Gang Wang

Tilt-to-length (TTL) coupling, caused by the jitter of test masses or satellites, is a significant noise source in space-based gravitational wave detection. Calibrating and suppressing TTL coupling noise at the sub-nanometer level is…

Instrumentation and Methods for Astrophysics · Physics 2024-08-05 Xiang Lin , Qi Xia , Peng Qiu , Yurong Liang , Hao Yan