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Related papers: Trying to understand the ridge effect in hydrodyna…

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Depinning of two-dimensional liquid ridges and three-dimensional drops on an inclined substrate is studied within the lubrication approximation. The structures are pinned to wetting heterogeneities arising from variations of the strength of…

Pattern Formation and Solitons · Physics 2011-12-30 Philippe Beltrame , Edgar Knobloch , Peter Hänggi , Uwe Thiele

Correlation measurements indicate that excess two particle correlations extend over causally disconnected rapidity ranges. Although, this enhancement is broad in relative rapidity $\eta=\eta_1 - \eta_2$, it is focused in a narrow region in…

Nuclear Theory · Physics 2009-11-03 George Moschelli , Sean Gavin

Two-dimensional angular correlation data from the STAR experiment at RHIC and from the LHC experiments provide critical information about dynamical processes in relativistic heavy-ion collisions. The principal correlation structures of…

High Energy Physics - Phenomenology · Physics 2014-07-16 R. L. Ray

We present the first results on 3-particle $\Delta\eta$-$\Delta\eta$ correlations in minimum bias $d$+Au, peripheral and central Au+Au collisions at $\sqrt{{\it s}_{NN}}$ = 200 GeV measured by the STAR experiment. The analysis technique is…

Nuclear Experiment · Physics 2008-11-26 Pawan Kumar Netrakanti , for STAR Collaboration

We explore the origin of phase-space substructures revealed by the second Gaia data release in the disc of the Milky Way, such as the ridges in the $V_{\phi}$-$r$ plane, the undulations in the $V_{\phi}$-$r$-$V_r$ space and the streams in…

Astrophysics of Galaxies · Physics 2019-07-17 F. Fragkoudi , D. Katz , W. Trick , S. D. M. White , P. Di Matteo , M. C. Sormani , S. Khoperskov , M. Haywood , A. Hallé , A. Gómez

Two-particle angular correlation for charged particles emitted in Au+Au collisions at the center-of-mass of 200 MeV measured at RHIC energies revealed novel structures commonly referred to as a near-side ridge. The ridge phenomenon in…

Nuclear Theory · Physics 2011-02-11 M. S. Borysova , Iu. A. Karpenko , Yu. M. Sinyukov

We report the first three-particle coincidence measurement in pseudorapidity ($\Delta\eta$) between a high transverse momentum ($p_{\perp}$) trigger particle and two lower $p_{\perp}$ associated particles within azimuth…

High Energy Physics - Experiment · Physics 2012-08-03 STAR Collaboration , B. I. Abelev

Detailed study of centrality dependence of low-p_t manifestation of so-called "near-side ridge" phenomenon is reported recently by STAR for all charged hadrons with p_t>0.15 GeV/c from AuAu collisions at 62 and 200 GeV at RHIC[1]. It is…

High Energy Physics - Phenomenology · Physics 2010-12-02 O. Kochebina , G. Feofilov

We attribute the phenomenon known as "the ridge" to long range initial state correlations from Color Glass Condensate flux tubes and later stage radial flow. We show that this description can explain the amplitude and azimuthal width of the…

Nuclear Theory · Physics 2009-11-18 George Moschelli , Sean Gavin

Context: There is a wide discrepancy in current estimates of the strength of convection flows in the solar interior obtained using different helioseismic methods applied to observations from SDO/HMI. The cause for these disparities is not…

Solar and Stellar Astrophysics · Physics 2020-01-22 Kaori Nagashima , Aaron C. Birch , Jesper Schou , Bradley W. Hindman , Laurent Gizon

Salt playas with their tessellated surface of polygonal salt ridges are beautiful and intriguing, but the scientific community lacks a realistic and physically meaningful model that thoroughly explains their formation. In this work, we…

Fluid Dynamics · Physics 2023-12-06 R. A. I. Haque , A. J. Mitra , T. Dutta

Instability patterns of rolling up a sleeve appear more intricate than the ones of walking over a rug on floor, both characterized as uniaxially compressed soft-film/stiff-substrate systems. This can be explained by curvature effects. To…

Soft Condensed Matter · Physics 2018-05-28 Yifan Yang , Hui-Hui Dai , Fan Xu , Michel Potier-Ferry

The Solar Hemispherical Helicity Rule(s) (SHHR) is a term used to represent a bias observed in proxies for the magnetic helicity in active regions at the solar surface. The SHHR states that predominantly negative magnetic helicity is…

Solar and Stellar Astrophysics · Physics 2026-02-10 Jacob B. Noone Wade , Nicholas H. Brummell

Dihadron correlations with a high-pt trigger particle are analyzed by STAR relative to the event plane in Au+Au collisions at 200 GeV (arXiv:1010.0690v1). The elliptic and quadrangular flow anisotropies are subtracted. The remaining…

Nuclear Experiment · Physics 2013-09-19 Fuqiang Wang

A mesoscopic continuum model is employed to analyse the transport mechanisms and structure formation during the redistribution stage of deposition experiments where organic molecules are deposited on a solid substrate with periodic…

Mesoscale and Nanoscale Physics · Physics 2018-07-24 Christoph Honisch , Te-Sheng Lin , Andreas Heuer , Uwe Thiele , Svetlana Gurevich

With the purpose of modelling the process of mountain building, we investigate the evolution of the ridge produced by the convergent motion of a system consisting of two layers of liquids that differ in density and viscosity to simulate the…

Geophysics · Physics 2010-06-14 Carlos Alberto Perazzo , Julio Gratton

Elliptic flow at RHIC is computed event-by-event with NeXSPheRIO. Reasonable agreement with experimental results on $v_2(\eta)$ is obtained. Various effects are studied as well: reconstruction of impact parameter direction, freeze out…

Nuclear Theory · Physics 2009-11-11 R. Andrade , F. Grassi , Y. Hama , T. Kodama , O. Socolowski , B. Tavares

Ridge formation in near-side correlation in heavy-ion collisions is studied in the framework of a phenomenological model, called Correlated Emission Model (CEM). Successive soft emissions due to jet-medium interaction lead to the…

Nuclear Theory · Physics 2009-04-28 Charles B. Chiu , Rudolph C. Hwa

We employ a free energy lattice Boltzmann method to study the dynamics of a ternary fluid system consisting of a liquid drop driven by a body force across a regularly textured substrate, infused by a lubricating liquid. We focus on the case…

Soft Condensed Matter · Physics 2018-05-21 Muhammad Subkhi Sadullah , Ciro Semprebon , Halim Kusumaatmaja

Stellar systems consisting of multiple stars tend to undergo tidal interactions when the separations between the stars are short. While tidal phenomena have been extensively studied, a certain tidal effect exclusive to hierarchical triples…

Solar and Stellar Astrophysics · Physics 2018-06-27 Yan Gao , Alexandre C. M. Correia , Peter P. Eggleton , Zhanwen Han