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This paper presents a novel pulse-reconstruction method well suited to sparsely sampled repetitive data, such as commonly arise from trains of ultrashort laser-pulses. Typically waveforms in such traces are fully instrument-limited by the…

Applied Physics · Physics 2025-10-31 J. Tang , N. Souleles , A. Hwang , L. Coulter , D. Bani , R. Marjoribanks

Extracting precise pulse times of arrival (TOAs) and their uncertainties is the first and most fundamental step in high-precision pulsar timing. In the classical method, TOAs are derived from total intensity pulse profiles of pulsars via…

Pulsar timing is a valuable source of high-precision astrophysical measurements which can be used to probe gravitational physics, including by detecting gravitational waves. An important factor limiting the precision of these measurements…

High Energy Astrophysical Phenomena · Physics 2026-05-22 Ross J. Jennings , James M. Cordes , Shami Chatterjee , Maura A. McLaughlin

We present the constructon and detailed analysis of highly-optimized self-refocusing pulse shapes for several rotation angles. We characterize the constructed pulses by the coefficients appearing in the Magnus expansion up to second order.…

Quantum Physics · Physics 2009-11-13 Leonid P. Pryadko , Pinaki Sengupta

We optimize the pulse shape and polarization of time-dependent electric fields to maximize the production of electron-positron pairs via strong field quantum electrodynamics processes. The pulse is parametrized in Fourier space by a…

High Energy Physics - Phenomenology · Physics 2017-08-02 François Fillion-Gourdeau , Florian Hebenstreit , Denis Gagnon , Steve MacLean

The radiative neutron capture cross section of 207Pb has been measured at the CERN neutron time of flight installation n_TOF using the pulse height weighting technique in the resolved energy region. The measurement has been performed with…

Nuclear Experiment · Physics 2008-11-26 C. Domingo-Pardo

Some of the most important information on a radio pulsar is derived from its average pulse profile. Many early pulsar studies were necessarily based on only few such profiles. There, discrete profile components were linked to emission…

High Energy Astrophysical Phenomena · Physics 2024-07-03 D. Vohl , J. van Leeuwen , Y. Maan

In this paper we develop a method capable of modeling the space-time focusing of nondiffracting pulses. The new pulses can possess arbitrary peak velocities and, in addition to being resistant to diffraction, can have their peak intensities…

Optics · Physics 2016-10-19 Michel Zamboni-Rached , Ioannis M. Besieris

We present a principal component analysis method which tracks and compensates for short-timescale variability in pulsar profiles, with a goal of improving pulsar timing precision. We couple this with a fast likelihood technique for…

Instrumentation and Methods for Astrophysics · Physics 2017-12-13 Hsiu-Hsien Lin , Kiyoshi Masui , Ue-Li Pen , Jeffrey B. Peterson

In any neutron scattering experiment the measurement of the position of the scattered neutrons and their respective velocities is necessary. In order to do so, a position sensitive detector as well as a way to determine the velocities is…

Instrumentation and Detectors · Physics 2016-09-21 Sebastian Jaksch

Correctly detecting radar targets is usually challenged by clutter and waveform distortion. An additional difficulty stems from the relative proximity of several targets, the latter being perceived as a single target in the worst case, or…

Artificial Intelligence · Computer Science 2026-02-11 Martin Bauw

$P$-type high-purity germanium (HPGe) detectors are widely used across many scientific domains, and current data analysis methods have served well in many use cases. However, applications like low-background experiments that search for rare…

Instrumentation and Detectors · Physics 2026-03-10 P. Zhang , W. Dai , Q. Zhang , F. Hagemann , O. Schulz , C. Alvarez-Garcia , L. Yang , Q. Yue , Z. Zeng , J. Cheng , H. Ma

Traditional pulsar timing techniques involve averaging large numbers of single pulses to obtain a high signal-to-noise (S/N) profile, which is matched to a template to measure a time of arrival (TOA). However, the morphology of individual…

High Energy Astrophysical Phenomena · Physics 2024-07-30 Sofia V. Sosa Fiscella , Michael T. Lam , Maura A. McLaughlin

A new method of matrix template matching is presented in the context of pulsar timing analysis. Pulse arrival times are typically measured using only the observed total intensity light curve. The new technique exploits the additional timing…

Astrophysics · Physics 2017-08-02 W. van Straten

Radio emission from pulsars is known to exhibit a diverse range of emission phenomena, among which nulling, where the emission becomes temporarily undetectable, is an intriguing one. Observations suggest nulling is prevalent in many…

High Energy Astrophysical Phenomena · Physics 2025-12-11 Garvit Grover , N. D. Ramesh Bhat , Samuel J. McSweeney , Christopher P. Lee , Chia Min Tan , Shih Ching Fu , Bradley W. Meyers

High-Purity Germanium~(HPGe) detectors have been a key technology for rare-event searches, such as neutrinoless double-beta decay and dark matter searches, for many decades. Pulse shape simulation is pivotal to improving the physics reach…

Instrumentation and Detectors · Physics 2022-12-12 Aobo Li , Julieta Gruszko , Brady Bos , Thomas Caldwell , Esteban León , John Wilkerson

Achieving high-fidelity control of quantum systems is essential for realization of a practical quantum computer. Composite pulse sequences which suppress different types of errors can be nested to suppress a wide variety of errors but the…

Mesoscale and Nanoscale Physics · Physics 2019-12-09 Utkan Güngördü , J. P. Kestner

This review presents a comprehensive survey and benchmark of pulse shape discrimination (PSD) algorithms for radiation detection, classifying nearly sixty methods into statistical (time-domain, frequency-domain, neural network-based) and…

Machine Learning · Computer Science 2026-04-21 Haoran Liu , Yihan Zhan , Mingzhe Liu , Yanhua Liu , Peng Li , Zhuo Zuo , Bingqi Liu , Runxi Liu

Fast-neutron/gamma-ray pulse-shape discrimination has been performed for the organic liquid scintillators NE 213A and EJ 305 using a time-of-flight based neutron-tagging technique and waveform digitization on an event-by-event basis.…