English
Related papers

Related papers: Flow Distribution Analysis as A Probe of Nuclei De…

200 papers

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

In this work, we explore the effect of deformation of the nuclei on collective flow in relativistic heavy-ion collisions. The parameter associated with the geometrical deformation in the Glauber model is tuned to reproduce the empirical…

The nature of octupole deformation, whether static or vibrational, remains an open question in nuclear physics. Here, we propose a scaling approach to probe this ambiguity by triangular flow fluctuations using multi-particle cumulants,…

Nuclear Theory · Physics 2025-09-12 Lumeng Liu , Chunjian Zhang , Jinhui Chen , Jiangyong Jia , Xu-Guang Huang , Yu-Gang Ma

Fluctuations of harmonic flow along pseudorapidity, known as flow decorrelations, are an important probe of the initial state geometry of the quark-gluon plasma. The flow decorrelations are shown to be sensitive to the collective structure…

Nuclear Theory · Physics 2023-07-20 Maowu Nie , Chunjian Zhang , Zhenyu Chen , Li Yi , Jiangyong Jia

Fluctuations of harmonic flow along pseudorapidity, known as flow decorrelations, are an important probe of the initial state geometry of the quark-gluon plasma. The flow decorrelations are shown to be sensitive to the collective structure…

Nuclear Theory · Physics 2024-01-17 Maowu Nie , Chunjian Zhang , Zhenyu Chen , Li Yi , Jiangyong Jia

We have investigated the performance of anisotropic flows $\langle v_n^2 \rangle$, transverse momentum fluctuations $\langle \delta p_T^2 \rangle $, and their correlations $\langle v_n^2 \delta p_T \rangle$ in central collisions at…

Nuclear Theory · Physics 2024-09-23 Hai-Cheng Wang , Song-Jie Li , Lu-Meng Liu , Jun Xu , Zhong-Zhou Ren

We analyze the nearest neighbor spacing distributions of low-lying 2+ levels of even-even nuclei. We grouped the nuclei into classes defined by the quadrupole deformation parameter (Beta2). We calculate the nearest neighbor spacing…

Nuclear Theory · Physics 2011-02-14 A. Al-Sayed

Elliptic flow ($v_2$) fluctuations in central heavy-ion collisions are direct probes of the fluctuating geometry of the quark-gluon plasma, and, as such, are strongly sensitive to any deviation from spherical symmetry in the shape of the…

Nuclear Theory · Physics 2019-03-05 Giuliano Giacalone

Atomic nuclei can be spontaneously deformed into non-spherical shapes as many-nucleon systems. We discuss to what extent a similar deformation takes place in many-electron systems. To this end, we employ several many-body methods, such as…

Atomic Physics · Physics 2021-09-24 Tomoya Naito , Shimpei Endo , Kouichi Hagino , Yusuke Tanimura

In extracting deformation parameters from multipole moments for deformed nuclei, one commonly uses the formulas which are based on a sharp-cut density distribution. We discuss a possible ambiguity for this procedure and clarify the role of…

Nuclear Theory · Physics 2009-11-11 K. Hagino , N. W. Lwin , M. Yamagami

$\textit{Background}$: Nuclear fusion has been shown to be a perfect probe to study the different nuclear shapes. However, the possibility of testing octupole deformation of a nucleus with this tool has not been fully explored yet. The…

Nuclear Theory · Physics 2015-11-06 Raj Kumar , J. A. Lay , A. Vitturi

Most atomic nuclei are deformed with a quadrupole shape described by its overall strength $\beta_2$ and triaxiality $\gamma$. The deformation can be accessed in high-energy heavy-ion collisions by measuring the collective flow response of…

Nuclear Theory · Physics 2022-05-04 Jiangyong Jia

In relativistic heavy-ion collisions, the radial flow of the fireball, usually characterized by transverse momentum spectra of final-state particles, encodes essential information about the hot and dense nuclear matter created in the…

Nuclear Theory · Physics 2026-02-05 Jie Zhu , Xiang-Yu Wu , Guang-You Qin

To assess the properties of the quark-gluon plasma formed in nuclear collisions, the Pearson correlation coefficient between flow harmonics and mean transverse momentum, $\rho\left(v_{n}^{2},\left[p_{\mathrm{T}}\right]\right)$, reflecting…

Nuclear Theory · Physics 2022-02-08 Chunjian Zhang , Jiangyong Jia , Shengli Huang

In fully-developed pressure-driven flow, the spreading of a dissolved solute is enhanced in the flow direction due to transverse velocity variations in a phenomenon now commonly referred to as Taylor-Aris dispersion. It is well understood…

Fluid Dynamics · Physics 2022-10-04 Garam Lee , Alan Luner , Jeremy Marzuola , Daniel M. Harris

The information of the event-by-event fluctuations is extracted from flow harmonic distributions and cumulants, which can be done experimentally. In this work, we employ the standard method of Gram-Charlier series with the normal kernel to…

Nuclear Theory · Physics 2021-01-04 Hadi Mehrabpour

Both collision geometry and event-by-event fluctuations are encoded in the experimentally observed flow harmonic distribution $p(v_n)$ and $2k$-particle cumulants $c_n\{2k\}$. In the present study, we systematically connect these…

Nuclear Theory · Physics 2019-03-08 Hadi Mehrabpour , Seyed Farid Taghavi

Background: Understanding nuclear shape is a crucial problem in nuclear physics. In particular, determining the sign of quadrupole deformation, i.e., whether prolate or oblate, remains a challenging problem. Purpose: Our aim is to propose a…

Nuclear Theory · Physics 2024-10-02 Shin Watanabe , Yoshiki Suzuki , Masaaki Kimura , Kazuyuki Ogata

In microfluidic systems, droplets undergo intricate deformations as they traverse flow-focusing junctions, posing a challenging task for accurate measurement, especially during short transit times. This study investigates the physical…

Background: Precise measurements of atomic transitions affected by electron-nucleus hyperfine interactions offer sensitivity to explore basic properties of the atomic nucleus and study fundamental symmetries, including the search for new…

Nuclear Theory · Physics 2023-06-06 Paul-Gerhard Reinhard , Witold Nazarewicz
‹ Prev 1 2 3 10 Next ›