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Related papers: Imaging Three-Dimensional Relative Sources from Nu…

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We report an extension of the source imaging method for analyzing three-dimensional sources from three-dimensional correlations. Our technique consists of expanding the correlation data and the underlying source function in spherical…

Nuclear Theory · Physics 2009-11-11 D. A. Brown , P. Danielewicz , A. Enokizono , M. Heffner , R. Soltz , S. Pratt

Imaging of sources from data within the intensity interferometry is discussed. In the two-pion case, the relative pion source function may be determined through the Fourier transformation of the correlation function. In the proton-proton…

Nuclear Theory · Physics 2009-10-30 David A. Brown , Pawel Danielewicz

We report an extension of the source imaging method for imaging full three-dimensional sources from three-dimensional like-pair correlations. Our technique consists of expanding the correlation data and the underlying source function in…

Nuclear Theory · Physics 2007-05-23 David A. Brown , Pawel Danielewicz , Mike Heffner , Ron Soltz

We discuss imaging sources from low relative-velocity correlations in heavy-ion reactions. When the correlation is dominated by interference, we can obtain the images by Fourier transforming the correlation function. In the general case, we…

Nuclear Theory · Physics 2007-05-23 P. Danielewicz , D. A. Brown

Three-pion interferometry is investigated for new information on the space-time structure of the pion source created in ultra-relativistic heavy-ion collisions. The two- and three-pion correlations are numerically computed for incoherent…

Nuclear Theory · Physics 2009-10-31 Hiroki Nakamura , Ryoichi Seki

The reliable extraction of information from two-proton correlation functions is a long-standing problem in two-particle interferometry. Recently introduced imaging techniques give one the ability to reconstruct source functions from the…

Nuclear Theory · Physics 2011-07-19 S. Y. Panitkin , D. A. Brown

We propose to use the ratio of the pion-proton correlation functions evaluated under different conditions to study the relative space-time asymmetries in pion and proton emission (pion and nucleon source relative shifts) in high energy…

Nuclear Theory · Physics 2009-10-30 S. Voloshin , R. Lednicky , S. Panitkin , Nu Xu

Geometric details of a nuclear reaction zone, at the time of particle emission, can be restored from low relative-velocity particle-correlations, following imaging. Some of the source details get erased and are a potential cause of problems…

Nuclear Theory · Physics 2009-11-10 P. Danielewicz , D. A. Brown , M. Heffner , S. Pratt , R. Soltz

We develop the new method of optimized discretization for imaging the relative source from two particle correlation functions. In this method, the source resolution depends on the relative particle separation and is adjusted to available…

Nuclear Theory · Physics 2008-11-26 David A. Brown , Pawel Danielewicz

Many--particle correlations due to Bose-Einstein interference are studied in ultrarelativistic heavy--ion collisions. We calculate the higher order correlation functions from the 2--particle correlation function by assuming that the source…

Nuclear Theory · Physics 2008-11-26 H. Heiselberg , A. P. Vischer

We investigate what conditions allow us to extract the relative distribution of freeze-out space and time points in an arbitrary reference frame using tomography and source imaging. The source function may be extracted from the two-particle…

Nuclear Theory · Physics 2007-05-23 David A. Brown

We describe a direct method to reconstruct the transverse proton source formed in a relativistic heavy ion collision, making use of experimentally measured proton and deuteron spectra and assuming that deuterons are formed via two-nucleon…

Nuclear Theory · Physics 2015-06-26 Alberto Polleri , Raffaele Mattiello , Igor Mishustin , Jakob Bondorf

The production of mesons in ultra-peripheral collisions of relativistic heavy ions is re-analyzed using a projection technique to calculate the amplitudes for the appropriate Feynman diagrams. The virtuality of the exchanged photons is…

Nuclear Theory · Physics 2011-07-19 C. A. Bertulani , F. Navarra

In the era of precision measurements in high-energy heavy-ion physics, there is an increasing expectation towards phenomenological and theoretical studies to provide a better description of data. In recent years, multiple experiments have…

Nuclear Experiment · Physics 2026-04-09 Daniel Kincses , Emese Arpasi , Laszlo Kovacs , Marton Nagy , Mate Csanad

Two- and three-pion correlation functions are investigated for a source that is not fully chaotic. Various models are examined to describe the source. The chaoticity and weight factor are evaluated in each model as measures of the strength…

Nuclear Theory · Physics 2009-10-31 Hiroki Nakamura , Ryoichi Seki

By measuring hadronic single-particle spectra and two-particle correlations in heavy-ion collisions, the size and dynamical state of the collision fireball at freeze-out can be reconstructed. I discuss the relevant theoretical methods and…

Nuclear Theory · Physics 2007-05-23 Ulrich Heinz

We propose a new method to study transverse flow effects in relativistic nuclear collisions by Fourier analysis of the azimuthal distribution on an event-by-event basis in relatively narrow rapidity windows. The distributions of Fourier…

High Energy Physics - Phenomenology · Physics 2011-05-05 S. Voloshin , Y. Zhang

Resolving sources beyond the diffraction limit is important in imaging, communications, and metrology. Current image-based methods of super-resolution require phase information (either of the source points or an added filter) and perfect…

Optics · Physics 2025-12-16 S. A. Wadood , Shaurya Aarav , Kevin Liang , Jason W Fleischer

Femtoscopy, a technique of measuring the size and the dynamics of the system created in heavy-ion collisions is used extensively in experiments at RHIC, LHC, SPS, and the FAIR/GSI. Analysis for pairs of pions is most common, due to their…

High Energy Physics - Experiment · Physics 2025-05-09 Adam Kisiel

Bose-Einstein correlations of identical bosons reveal information about the space-time structure of particle emission from the sQGP formed in ultra-relativistic heavy-ion collisions. Previous measurements of two particle correlations have…

Nuclear Experiment · Physics 2020-05-22 Bálint Kurgyis
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