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We explore the quasiparticle properties of a single $\Lambda$ hyperon propagating through symmetric nuclear matter using the Green's function formalism. The $N\Lambda$ interaction is described by a non-local regulated low-momentum contact…

Nuclear Theory · Physics 2026-05-11 Bahruz Suleymanli , Kutsal Bozkurt

An effective interaction approach is used to describe the interactions between the spin 0 or spin 1/2 dark matter particle and the degrees of freedom of the standard model. This approach is applicable to those models in which the dark…

High Energy Physics - Phenomenology · Physics 2015-06-03 Kingman Cheung , Po-Yan Tseng , Yue-Lin S. Tsai , Tzu-Chiang Yuan

We have revisited the possible existence and the binding mechanism of heavy hyperhydrogen 6^H_Lambda. This Lambda hypernucleus is enriched in information about Lambda hypernuclear dynamics which would shed a light on significant role of…

Nuclear Theory · Physics 2012-11-27 Theingi , Khin Swe Myint , Y. Akaishi

We present a first systematic study of $I=1/2$ proton-$\Lambda$ ($p$-$\Lambda$) scattering from lattice QCD, using seven sets of $(2+1)$-flavor lattice ensembles with pion masses spanning 135-317 MeV and three lattice spacings with…

High Energy Physics - Lattice · Physics 2026-03-09 Hang Liu , Liuming Liu , Jin-Xin Tan , Wei Wang , Haobo Yan , Qian-Teng Zhu

Recent NA49 results on $\Lambda$ and $\phi$ production in central Pb-Pb collisions at beam energies from 40 to 158 A$\cdot$GeV are presented.

Nuclear Experiment · Physics 2015-06-26 A. Mischke

Quantum entanglement has now been demonstrated in several hadronic systems, revealing that non-classical spin correlations survive even through the strong-interaction hadronization process. To date, however, all studies have focused…

Nuclear Experiment · Physics 2025-08-19 Aihong Tang

Quantum many-body systems realise many different phases of matter characterised by their exotic emergent phenomena. While some simple versions of these properties can occur in systems of free fermions, their occurrence generally implies…

Strongly Correlated Electrons · Physics 2019-10-04 Samuel Spillard , Christopher J. Turner , Konstantinos Meichanetzidis

We report on the first femtoscopic measurement of baryon pairs, such as p-p, p-$\Lambda$ and $\Lambda$-$\Lambda$, measured by ALICE at the Large Hadron Collider (LHC) in proton-proton collisions at $\sqrt{s}$ = 7 TeV. This study…

Nuclear Experiment · Physics 2019-06-17 ALICE Collaboration

The $\Lambda_c p$ momentum correlation functions are investigated using $\Lambda_c N$ interactions derived within the covariant chiral effective field theory. Our analysis reveals that the interaction is weakly attractive in the…

High Energy Physics - Phenomenology · Physics 2026-04-02 Ru-You Zheng , Zhi-Wei Liu , Li-Sheng Geng

In lattice QCD, both direct method and HAL QCD method are used to investigate the two-baryon systems. We show that due to the contamination of the scattering excited states, it is challenging to measure the eigenenergy from the temporal…

High Energy Physics - Lattice · Physics 2018-11-16 Takumi Iritani , for HAL QCD Collaboration

We investigate the energy spectrum of systems of two, three and four spin-1/2 fermions with short range attractive interactions both exactly, and within the scattering length approximation. The formation of molecular bound states and the…

Quantum Gases · Physics 2011-09-09 S. Q. Zhou , D. M. Ceperley , Shiwei Zhang

We present a realistic theoretical treatment of a three-level $\Lambda$ system in a hot atomic vapor interacting with a coupling and a probe field of arbitrary strengths, leading to electromagnetically-induced transparency and slow light…

Quantum Physics · Physics 2015-05-13 Joyee Ghosh , R. Ghosh , F. Goldfarb , J. -L. Le Gouët , F. Bretenaker

The excited bands in optical lattices manifest an important tool for studying quantum simulation and many-body physics, making it crucial to measure high-band scattering dynamics under strong interactions. This work investigates both…

Quantum Gases · Physics 2025-04-22 Fansu Wei , Chi-Kin Lai , Yuying Chen , Zhengxi Zhang , Yun Liang , Hongmian Shui , Chen Li , Xiaoji Zhou

Using an effective interaction approach to describe the interactions between the dark matter particle and the light degrees of freedom of the standard model, we calculate the gamma-ray flux due to the annihilation of the dark matter into…

High Energy Physics - Phenomenology · Physics 2011-06-24 Kingman Cheung , Po-Yan Tseng , Tzu-Chiang Yuan

The significance of $\Lambda\Lambda$-$\Xi$N coupling in double-$\Lambda$ hypernuclei has been studied. The Pauli suppression effect due to this coupling in $^6_{\Lambda\Lambda}$He has been found to be 0.43 MeV for the coupling strength of…

Nuclear Theory · Physics 2008-11-26 Khin Swe Myint , S. Shinmura , Y. Akaishi

An OBE potential model for the ^{1}S_0 S = -2 interaction is analyzed with emphasis on the role of coupling between the Lambda Lambda, N Xi, and Sigma Sigma channels. Singlet scalar exchange, an approximation to two-pion exchange, is…

Nuclear Theory · Physics 2009-11-07 I. R. Afnan , B. F. Gibson

Besides earlier predictions based on both phenomenological models and modern microscopic many-body theories, circumstantial evidence was recently found for a reduced kinetic symmetry energy of isospin-asymmetric nucleonic matter compared to…

Nuclear Theory · Physics 2015-04-14 Bao-An Li , Wen-Jun Guo , Zhaozhong Shi

We investigate the observational signatures of the holographic dark energy models in this paper, including both the original model and a model with an interaction term between the dark energy and dark matter. We first delineate the…

Astrophysics · Physics 2010-04-14 Yin-Zhe Ma , Yan Gong , Xuelei Chen

We present first preliminary studies of $\Lambda$ and $\bar{\Lambda}$ production in the pseudorapidity region $2.5 < |\eta| < 4$, covered by the forward radial-drift TPCs (FTPCs) in STAR. The FTPCs provide momentum and charge determination…

Nuclear Experiment · Physics 2019-08-14 Frank Simon

Strongly long-range interacting quantum systems---those with interactions decaying as a power-law $1/r^{\alpha}$ in the distance $r$ on a $D$-dimensional lattice for $\alpha\le D$---have received significant interest in recent years. They…

Quantum Physics · Physics 2020-07-15 Andrew Y. Guo , Minh C. Tran , Andrew M. Childs , Alexey V. Gorshkov , Zhe-Xuan Gong