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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 investigate the two-pion interferometry in ultrarelativistic heavy ion collisions in the granular source model of quark-gluon plasma droplets. The pion transverse momentum spectra and HBT radii of the granular sources agree well with the…

Nuclear Theory · Physics 2015-05-28 Wei-ning Zhang , Hong-Jie Yin , Yan-Yu Ren

We study the effects of a collective flow and multiple scattering on two-particle correlation measurements in Hanbury-Brown-Twiss intensity interferometry. We find that under a collective flow the effective source distribution in a…

Nuclear Theory · Physics 2008-11-26 Cheuk-Yin Wong

Flow coefficients $v_{n}$ of the orders $n = 1 - 6$ are measured with the High-Acceptance DiElectron Spectrometer (HADES) at GSI for protons, deuterons and tritons as a function of centrality, transverse momentum and rapidity in Au+Au…

Nuclear Experiment · Physics 2021-01-04 HADES collaboration , J. Adamczewski-Musch , O. Arnold , C. Behnke , A. Belounnas , A. Belyaev , J. C. Berger-Chen , A. Blanco , C. Blume , M. Böhmer , P. Bordalo , S. Chernenko , L. Chlad , I. Ciepal , C. Deveaux , J. Dreyer , E. Epple , L. Fabbietti , O. Fateev , P. Filip , P. Fonte , C. Franco , J. Friese , I. Fröhlich , T. Galatyuk , J. A. Garzón , R. Gernhäuser , O. Golosov , M. Golubeva , R. Greifenhagen , F. Guber , M. Gumberidze , S. Harabasz , T. Heinz , T. Hennino , S. Hlavac , C. Höhne , R. Holzmann , A. Ierusalimov , A. Ivashkin , B. Kämpfer , T. Karavicheva , B. Kardan , I. Koenig , W. Koenig , M. Kohls , B. W. Kolb , G. Korcyl , G. Kornakov , F. Kornas , R. Kotte , A. Kugler , T. Kunz , A. Kurepin , A. Kurilkin , P. Kurilkin , V. Ladygin , R. Lalik , K. Lapidus , A. Lebedev , L. Lopes , M. Lorenz , T. Mahmoud , L. Maier , A. Malige , M. Mamaev , A. Mangiarotti , J. Markert , T. Matulewicz , S. Maurus , V. Metag , J. Michel , D. M. Mihaylov , S. Morozov , C. Müntz , R. Münzer , L. Naumann , K. Nowakowski , Y. Parpottas , V. Pechenov , O. Pechenova , O. Petukhov , K. Piasecki , J. Pietraszko , W. Przygoda , K. Pysz , S. Ramos , B. Ramstein , N. Rathod , A. Reshetin , P. Rodriguez-Ramos , P. Rosier , A. Rost , A. Rustamov , A. Sadovsky , P. Salabura , T. Scheib , H. Schuldes , E. Schwab , F. Scozzi , F. Seck , P. Sellheim , I. Selyuzhenkov , J. Siebenson , L. Silva , U. Singh , J. Smyrski , Yu. G. Sobolev , S. Spataro , S. Spies , H. Ströbele , J. Stroth , C. Sturm , O. Svoboda , M. Szala , P. Tlusty , M. Traxler , H. Tsertos , E. Usenko , V. Wagner , C. Wendisch , M. G. Wiebusch , J. Wirth , D. Wójcik , Y. Zanevsky , P. Zumbruch

The femtoscopy correlation radii for d-Au collisions at $200$GeV are calculated in the hydrodynamic model and compared to PHENIX collaboration data. For asymmetric systems, such as d-Au or p-Pb collisions, the correlation radius…

Nuclear Theory · Physics 2014-08-07 Piotr Bozek

The presence of correlations between particles significantly separated in pseudorapidity in proton-proton and proton-nucleus collisions revealed surprises in the early LHC data. Are the physical processes responsible for the observed…

Nuclear Experiment · Physics 2021-09-21 Georgios Konstantinos Krintiras

Fluid dynamical calculations with QGP showed a softening of the directed flow while with hadronic matter this effect is absent. On the other hand, we indicated that a third flow component shows up in the reaction plane as an enhanced…

High Energy Physics - Phenomenology · Physics 2009-11-10 L. P. Csernai , A. Anderlik , Cs. Anderlik , V. K. Magas , E. Molnar , A. Nyiri , D. Roehrich , K. Tamosiunas

We report on the elliptic and triangular flow measurements for a number of hadrons including charged pions, and (anti-)protons, as well as those with strangeness content: kaons, ${\rm \phi}$-meson, ${\rm K^0_s}$, ${\rm…

Nuclear Experiment · Physics 2019-08-15 Francesco Noferini

Fluctuations in the initial transverse energy-density distribution lead to anisotropic flows as observed in central high-energy heavy-ion collisions. Studies of longitudinal fluctuations of the anisotropic flows can shed further light on…

Nuclear Theory · Physics 2015-04-24 Long-Gang Pang , Guang-You Qin , Victor Roy , Xin-Nian Wang , Guo-Liang Ma

The elliptic, $v_2$, triangular, $v_3$, and quadrangular, $v_4$, azimuthal anisotropic flow coefficients are measured for unidentified charged particles, pions and (anti-)protons in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$ TeV with…

Nuclear Experiment · Physics 2016-06-24 ALICE Collaboration

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

We report on the measurement of various flow harmonics, $v_n$, with multi-particle cumulants, and present the results from a study of the inter-correlation among different order symmetry planes $\Psi_n$ via multi-particle mixed harmonic…

Nuclear Experiment · Physics 2015-06-11 Ante Bilandzic

We explore the squeezed back-to-back correlation (SBBC) and investigate how the squeezing effect influences the Hanbury Brown-Twiss (HBT) interferometry using an expanding Gaussian source with non-zero width. The SBBC and HBT of $D^0$ and…

High Energy Physics - Phenomenology · Physics 2024-01-23 Yong Zhang , Peng Ru

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

We use a simple a transverse radial boost scenario coupled to PYTHIA events to illustrate the impact radial flow may have on two- and three-particle correlation functions measured in heavy-ion collisions. We show that modest radial…

Nuclear Experiment · Physics 2008-11-26 Claude A. Pruneau , Sean Gavin , Sergei A. Voloshin

A model for energy, pressure and flow velocity distributions at the beginning of relativistic heavy ion collisions has been developed to be used as initial condition for hydrodynamical calculations. The results show that at the early stages…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. K. Magas , L. P. Csernai , D. D. Strottman

A model is constructed for the origin of the double-humped structure found in the di-hahron azimuthal correlation on the away-side in heavy ion collisions. The parameters in the model are determined by fitting $\Delta\phi$ azimuthal…

Nuclear Theory · Physics 2009-07-13 H. Zheng , L. L. Zhu , C. B. Yang

The Hanbury Brown-Twiss (HBT) effect holds a pivotal place in intensity interferometry and gave a seminal contribution to the development of quantum optics. To observe such an effect, both good spectral and timing resolutions are necessary.…

We determine the transverse system size of the initial non-equilibrium Glasma state and of the hydrodynamically evolving fireball as a function of produced charged particles in p+p, p+Pb and Pb+Pb collisions at the Large Hadron Collider.…

Nuclear Theory · Physics 2014-09-10 Bjoern Schenke , Raju Venugopalan

Di-hadron and jet-hadron correlations are commonly used in relativistic heavy ion collisions to study the soft component of jets in a quark gluon plasma. There is a large correlated background which is described by the Fourier decomposition…

Nuclear Experiment · Physics 2018-05-31 Christine Nattrass , Takahito Todoroki