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Related papers: Two-pion interferometry for granular sources

200 papers

Using the technique of quantum transport of the interfering pair we examine the Hanbury-Brown-Twiss (HBT) interferometry signatures for the particle-emitting sources of pions and kaons produced in the heavy ion collisions at GSI-FAIR…

High Energy Physics - Phenomenology · Physics 2015-05-13 Li-Li Yu , M. J. Efaaf , Yan-Yu Ren , Wei-Ning Zhang

In this report we give a detailed account on Hanbury Brown/Twiss (HBT) particle interferometric methods for relativistic heavy-ion collisions. These exploit identical two-particle correlations to gain access to the space-time geometry and…

Nuclear Theory · Physics 2009-10-09 Urs Achim Wiedemann , Ulrich Heinz

In heavy ion collisions resonances can create strong non-Gaussian effects in the 2-pion correlation data. Hence, the commonly used Gaussian fit parameters do not fully characterize these correlators. We suggest a different set of HBT…

Nuclear Theory · Physics 2008-11-26 Urs Achim Wiedemann , Ulrich Heinz

We investigate the source imaging for a granular pion-emitting source model in high energy heavy ion collisions. The two-pion source functions of the granular sources exhibit a two-tiered structure. Using a parametrized formula of granular…

High Energy Physics - Phenomenology · Physics 2008-12-18 Zhi-Tao Yang , Wei-Ning Zhang , Lei Huo , Jing-Bo Zhang

To study the nature of the quark-hadron phase transition, it is important to investigate the space-time structure of the hadron-emitting source in heavy-ion collisions. Measurements of HBT correlations have proven to be a powerful tool to…

Nuclear Experiment · Physics 2020-06-24 Daniel Kincses

The interferometers of Hanbury Brown and collaborators in the 1950s and 60s, and their modern descendants now being developed (intensity interferometers) measure the spatial power spectrum of the source from intensity correlations at two…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Tina Wentz , Prasenjit Saha

We consider possible detection of nonclassicality of primordial gravitational waves (PGWs) by applying Hanbury Brown - Twiss (HBT) interferometry to cosmology. We characterize the nonclassicality of PGWs in terms of sub-Poissonian…

High Energy Physics - Theory · Physics 2019-04-17 Sugumi Kanno , Jiro Soda

The PHENIX Collaboration has reported third-order harmonic oscillations of the source radius parameters when measuring the Hanbury Brown-Twiss correlation function for charged hadrons relative to the triangular flow angle. We explore…

Nuclear Theory · Physics 2013-11-28 Christopher J Plumberg , Chun Shen , Ulrich W Heinz

Hanbury Brown and Twiss (HBT) correlations, i.e. correlations in far-field intensity fluctuations, yield fundamental information on the quantum statistics of light sources, as highlighted after the discovery of photon bunching. Drawing on…

Recent observations of QGP-like phenomena in small collision systems like p+p and p+A collisions have questioned our understanding of the basic paradigms of high energy heavy-ion physics. A brief discussion of these new aspects in small…

Nuclear Experiment · Physics 2023-02-28 Debasish Das

We use a multi-phase transport (AMPT) model to study multi-pion and multi-kaon Hanbury Brown-Twiss (HBT) correlations for the partially coherent particle-emitting sources in relativistic heavy-ion collisions. A density-dependent…

Nuclear Theory · Physics 2024-11-19 Shi-Yao Wang , Jun-Ting Ye , Wei-Ning Zhang

Hanbury-Brown and Twiss (HBT) effect is the foundation for stellar intensity interferometry. However, it is a phase insensitive two-photon interference effect. In this paper, we extend the HBT interferometer by mixing two phase-coherent…

Quantum Physics · Physics 2025-02-07 Xuan Tang , Yunxiao Zhang , Xueshi Guo , Liang Cui , Xiaoying Li , Z. Y. Ou

We propose a novel approach to probe primordial inhomogeneity in hot and dense matter which could be realized in non-central heavy-ion collisions. Although the Hanbury Brown and Twiss (HBT) interferometry is commonly used to infer the…

High Energy Physics - Phenomenology · Physics 2024-03-12 Kenji Fukushima , Yoshimasa Hidaka , Katsuya Inoue , Kenta Shigaki , Yorito Yamaguchi

In the late stage of the evolution of a pion system in high-energy heavy-ion collisions when pions undergo multiple scatterings, the quantum transport of the interfering pair of identical pions plays an important role in determining the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Li-Li Yu , Wei-Ning Zhang , Cheuk-Yin Wong

We investigate the fluctuations of pion elliptic flow, triangular flow, and Hanbury-Brown-Twiss (HBT) correlation functions for the hydrodynamic sources with fluctuating initial conditions in the heavy ion collisions of the Au-Au at…

Nuclear Theory · Physics 2015-02-11 Ying Hu , Wei-Ning Zhang , Yan-Yu Ren

Identical boson Hanbury-Brown-Twiss interferometry as applied to relativistic heavy-ion collisions is reviewed. Emphasis is placed on the use of hadronic scattering models to interpret the physical significance of experimental results.…

Nuclear Theory · Physics 2009-11-11 Thomas J. Humanic

We point out that current calculations of inclusive two-particle correlations in p-A collisions based on the Color Glass Condensate approach exhibit a contribution from Hanbury-Brown-Twiss correlations. These HBT correlations are quite…

High Energy Physics - Phenomenology · Physics 2015-12-09 T. Altinoluk , N. Armesto , G. Beuf , A. Kovner , M. Lublinsky

We study effects of a mean-field interaction on the spacetime geometry of the hadron source measured by utilizing the Hanbury Brown and Twiss (HBT) interferometry in the ultrarelativistic heavy-ion collisions. We show how a modification of…

Nuclear Theory · Physics 2012-04-05 Koichi Hattori

Expansion dynamics at the yoctosecond timescale affect the evolution of the quark gluon plasma (QGP) created in heavy ion collisions. We show how these dynamics are accessible through Hanbury Brown and Twiss (HBT) intensity interferometry…

High Energy Physics - Phenomenology · Physics 2013-05-30 Andreas Ipp , Peter Somkuti

The Hanbury-Brown Twiss correlation function for two identical particles is studied for systems with cylindrical symmetry. Its shape for small values of the relative momentum is derived in a model independent way. In addition to the usual…

High Energy Physics - Phenomenology · Physics 2022-02-23 Scott Chapman , Pierre Scotto , Ulrich Heinz