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Related papers: Afterpulse prediction for SUBMET experiment

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This paper describes measurements of the sum of the transverse energy of particles as a function of particle pseudorapidity, eta, in proton-proton collisions at a centre-of-mass energy, sqrt(s) = 7 TeV using the ATLAS detector at the Large…

High Energy Physics - Experiment · Physics 2013-06-25 ATLAS Collaboration

In the DeeMe experiment, approximately $70\ \mathrm{GHz/mm^{2}}$ prompt-charged particles will hit the multi-wire proportional chambers (MWPCs) before signal electrons come. To avoid the space charge effect, we developed fast HV-switching…

Instrumentation and Detectors · Physics 2018-12-05 N. Teshima

Pulsars are known to manifest complex phenomena, such as nulling, sub-pulse drifting, and periodicity. Within the purview of this investigation, we have harnessed the wavelet analysis technique to scrutinize the multifaceted periodicities…

High Energy Astrophysical Phenomena · Physics 2024-03-19 Peng-Fu Tian , Ping Zhang , Wen Yang , Wei Wang , Pei Wang

A measurement of the underlying activity in scattering processes with a hard scale in the several GeV region is performed in proton-proton collisions at sqrt(s) = 0.9 and 7 TeV, using data collected by the CMS experiment at the LHC. The…

High Energy Physics - Experiment · Physics 2012-08-27 CMS Collaboration

A generic search is presented for the associated production of a Z boson or a photon with an additional unspecified massive particle X, pp $\to$ pp + Z/$\gamma$ + X, in proton-tagged events from proton-proton collisions at $\sqrt{s}$ = 13…

High Energy Physics - Experiment · Physics 2023-09-22 CMS Collaboration , TOTEM Collaboration

The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector using proton-proton collision data with a centre-of-mass energy of $\sqrt{s}=7$ TeV corresponding to an integrated luminosity…

High Energy Physics - Experiment · Physics 2015-01-29 ATLAS Collaboration

The quasistellar neutron spectrum produced via $^{7}$Li($p$, $n$)$^{7}$Be reaction at a proton energy of 1.912 MeV has been extensively studied and employed reaction for neutron-induced reaction studies. We are working towards using this…

Instrumentation and Detectors · Physics 2024-01-25 Chandrabhan Yadav , Akiva Green , Moshe Friedman

Significant gamma-ray pulsations have been detected from ~40 millisecond pulsars (MSPs) using 3 years of sky-survey data from the Fermi LAT and radio timing solutions from across the globe. We have fit the radio and gamma-ray pulse profiles…

High Energy Astrophysical Phenomena · Physics 2019-08-14 T. J. Johnson , A. K. Harding , C. Venter , J. E. Grove

We consider a density estimation problem arising in nuclear physics. Gamma photons are impinging on a semiconductor detector, producing pulses of current. The integral of this pulse is equal to the total amount of charge created by the…

Statistics Theory · Mathematics 2007-06-13 Eric Moulines , Francois Roueff , Antoine Souloumiac , Thomas Trigano

Characteristics of multi-particle production in proton-proton collisions at sqrt(s) = 7 TeV are studied as a function of the charged-particle multiplicity, N[ch]. The produced particles are separated into two classes: those belonging to…

High Energy Physics - Experiment · Physics 2013-12-17 CMS Collaboration

We report on nearly two years of timing observations of the low-mass binary millisecond pulsar, PSR J1909-3744 with the Caltech-Parkes-Swinburne Recorder II (CPSR2), a new instrument that gives unprecedented timing precision. Daily…

Astrophysics · Physics 2009-11-13 B. A. Jacoby , A. Hotan , M. Bailes , S. Ord , S. R. Kulkarni

In recent years, a number of purpose-built scintillator-based polarimeters have studied bright astronomical sources for the first time in the hard X-ray band (tens to hundreds of keV). The addition of polarimetry can help data…

Instrumentation and Methods for Astrophysics · Physics 2019-08-08 Rakhee Kushwah , Nirmal K. Iyer , Mózsi Kiss , Theodor A. Stana , Mark Pearce

We have used the Green Bank Telescope at 350MHz to search 50 faint, unidentified Fermi Gamma-ray sources for radio pulsations. So far, these searches have resulted in the discovery of 10 millisecond pulsars, which are plausible counterparts…

In the Energy Frontier we suggest developing high rate (100 MHz) finely segmented forward calorimetry preradiators with time resolution <50 ps which will survive the first 1-2 Lint of incident high radiation doses, protecting forward…

Instrumentation and Detectors · Physics 2022-03-21 David R Winn , Yasar Onel

In this work, evolution of parameters of nanosecond repetitively pulsed (NRP) discharges in pin-to-pin configuration in air was studied during transient stage of initial twenty discharge pulses. Gas and plasma parameters in the discharge…

Plasma Physics · Physics 2022-07-20 Xingxing Wang , Adam Patel , Alexey Shashurin

We discuss a set of precision observables that can probe the existence of a light particle $X$ coupled to electrons in the mass range of 1-100 MeV. As a case study, we consider the recent excess of $e^+e^-$ final-state events at $\sqrt{s} =…

High Energy Physics - Phenomenology · Physics 2025-10-31 Luca Di Luzio , Paride Paradisi , Nudzeim Selimovic

We perform calorimetry on the bright gamma ray burst (GRB) 030329 by fitting simultaneously the broadband radio afterglow and the observed afterglow image size to a semi-analytic magnetohydrodynamical (MHD) and afterglow emission model. Our…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Robert Mesler , Ylva Pihlström

A light-emitting diode (LED) pulser for testing the low-rate response of a photomultiplier tube (PMT) to scintillator-like pulses has been designed, developed, and implemented. This pulser is intended to simulate 80 ns full width at half…

Instrumentation and Detectors · Physics 2015-05-30 M. Friend , G. B. Franklin , B. Quinn

Weak measurement is a novel technique for parameter estimation with higher precision. In this paper we develop a general theory for the parameter estimation based on weak measurement technique with arbitrary postselection. The previous weak…

Quantum Physics · Physics 2016-08-24 Chen Fang , Jing-Zheng Huang , Yang Yu , Qin-Zheng Li , Guihua Zeng

Many models of new physics, including versions of supersymmetry (SUSY), predict production of events with low missing transverse energy, electroweak gauge bosons, and many energetic final-state particles. The stealth SUSY model yields this…

High Energy Physics - Experiment · Physics 2013-03-19 CMS Collaboration