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We propose and implement a quantum procedure for enhancing the sensitivity with which one can determine the phase shift experienced by a weak light beam possessing thermal statistics in passing through an interferometer. Our procedure…

Inspired by Einstein-Podolsky-Rosen-Bohm experiments with photons, we construct an event-based simulation model in which every essential element in the ideal experiment has a counterpart. The model satisfies Einstein's criteria of local…

Quantum Physics · Physics 2007-12-18 Hans De Raedt , Koen De Raedt , Kristel Michielsen , Koenraad Keimpema , Seiji Miyashita

The simplest observables used to probe the interaction of hard partons with a QCD medium in ultrarelativistic heavy ion collisions measure disappearance, such as the nuclear modification factor R_AA. The information content of such…

High Energy Physics - Phenomenology · Physics 2015-10-28 Thorsten Renk

We propose a method to organize experimental data from particle collision experiments in a general format which can enable a simple visualisation and effective classification of collision data using machine learning techniques. The method…

High Energy Physics - Phenomenology · Physics 2019-04-15 S. V. Chekanov

The effect of limiting the acceptance in rapidity on event-by-event multiplicity fluctuations in nucleus-nucleus collisions has been investigated. Our analysis shows that the multiplicity fluctuations decrease when the rapidity acceptance…

Nuclear Experiment · Physics 2009-11-07 D. P. Mahapatra , B. Mohanty , S. C. Phatak

We present a computer simulation model that is a one-to-one copy of a quantum eraser experiment with photons (P. D. D. Schwindt {\sl et al.}, Phys. Rev. A 60, 4285 (1999)). The model is solely based on experimental facts, satisfies…

Quantum Physics · Physics 2009-08-10 F. Jin , S. Yuan , H. De Raedt , K. Michielsen

Employing a recently developed Monte Carlo model, we study the fission of 240Pu induced by neutrons with energies from thermal to just below the threshold for second chance fission. Current measurements of the mean number of prompt neutrons…

Nuclear Theory · Physics 2009-10-29 R. Vogt , J. Randrup , J. Pruet , W. Younes

The production of jets is studied in collisions of virtual photons, specifically for applications at HERA. Photon flux factors are convoluted with matrix elements involving either direct or resolved photons and, for the latter, with parton…

High Energy Physics - Phenomenology · Physics 2007-05-23 Christer Friberg , Torbjörn Sjöstrand

The rapidity distribution of thermal photons produced in Pb+Pb collisions at CERN-SPS energies is calculated within scaling and three-fluid hydrodynamics. It is shown that these scenarios lead to very different rapidity spectra. A…

High Energy Physics - Phenomenology · Physics 2015-06-25 A. Dumitru , U. Katscher , J. A. Maruhn , H. Stöcker , W. Greiner , D. H. Rischke

The Pythia event generator is used in several contexts to study hadron and lepton interactions, notably $pp$ and $p\bar{p}$ collisions. In this article we extend the hadronic modelling to encompass the collision of a wide range of hadrons…

High Energy Physics - Phenomenology · Physics 2022-01-26 Torbjörn Sjöstrand , Marius Utheim

Cross-section and neutron-emission data from heavy-ion fusion-fission reactions are consistent with the fission of fully equilibrated systems with fission lifetime estimates obtained via a Kramers-modified statistical model which takes into…

Nuclear Theory · Physics 2009-12-31 J. P. Lestone , S. G. McCalla

Event shape variables, constructed from the four-momenta of the final-state objects in an event, are sensitive to the predictions of quantum chromodynamics in multijet production. A measurement of five event shape variables is presented,…

High Energy Physics - Experiment · Physics 2026-02-20 CMS Collaboration

We expose the role of collisional energy loss on high $p_T$ photon data measured by PHENIX collaboration by calculating photon yield in jet plasma interaction. The phase space distribution of the participating jet is dynamically evolved by…

High Energy Physics - Phenomenology · Physics 2015-03-13 Lusaka Bhattacharya , Pradip Roy

Cross-section and neutron-emission data from heavy-ion fusion-fission reactions are consistent with a Kramers-modified statistical model which takes into account the collective motion of the system about the ground state; the temperature…

Nuclear Theory · Physics 2008-11-26 S. G. McCalla , J. P. Lestone

We propose an alternative formulation of the sensor method presented in [Phys. Rev. Lett 109, 183601 (2012)] for the calculation of frequency-filtered and time-resolved photon correlations. Our approach is based on an algebraic expansion of…

Quantum Physics · Physics 2018-12-26 David I. H. Holdaway , Valentina Notararigo , Alexandra Olaya-Castro

The new framework for the simulations of hard diffractive events in photoproduction within Pythia 8 is presented. The model, originally introduced for proton-proton collisions, applies the dynamical rapidity gap survival probability based…

High Energy Physics - Phenomenology · Physics 2021-07-16 Ilkka Helenius

We develop an improved Statistical Multifragmentation Model that provides the capability to calculate calorimetric and isotopic observables with precision. With this new model we examine the influence of nuclear isospin on the fragment…

Nuclear Experiment · Physics 2009-11-10 W. P. Tan , S. R. Souza , R. J. Charity , R. Donangelo , W. G. Lynch , M. B. Tsang

Measurements of normalised cross sections for the production of photons and neutrons at very small angles with respect to the proton beam direction in deep-inelastic $ep$ scattering at HERA are presented as a function of the Feynman…

High Energy Physics - Experiment · Physics 2014-04-02 H1 Collaboration

The sensitivity of ground-based imaging atmospheric Cherenkov gamma-ray observatories depends critically on the primary particle identification methods which are used to retain photon-initiated events and suppress the spurious background…

Astrophysics · Physics 2014-10-13 V. V. Bugaev , A. V. Plyasheshnikov , V. V. Vassiliev , T. C. Weekes

A model in which a projectile like fragment can be simply regarded as a remnant after removal of some part of the projectile leads to an excited fragment. This excitation energy can be calculated with a Hamiltonian that gives correct…

Nuclear Theory · Physics 2015-06-15 S. Das Gupta , S. Mallik , G. Chaudhuri