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The STAR experiment has measured $p\Lambda$, $\bar{p}\bar{\Lambda}$, $\bar{p}\Lambda$, and $p\bar{\Lambda}$ femtoscopic correlation functions in central Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV. The system size extracted for $p\Lambda$…

核理论 · 物理学 2014-06-11 Adam Kisiel , Hanna Zbroszczyk , Maciej Szymanski

This Letter describes the search for an enhanced production rate of events with a charged lepton and a neutrino in high-energy pp collisions at the LHC. The analysis uses data collected with the CMS detector, with an integrated luminosity…

高能物理 - 实验 · 物理学 2013-05-01 CMS Collaboration

Precise experimental information on hyperon-nucleon interactions is scarce but of paramount importance to our understanding of the inner structure of compact stars. In this letter, we report the first experimental results of correlation…

核实验 · 物理学 2025-11-20 STAR Collaboration

First measurements of hadron(h)$-\Lambda$ azimuthal angular correlations in p$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV using the ALICE detector at the Large Hadron Collider are presented. These correlations are used to separate the…

核实验 · 物理学 2025-01-16 ALICE Collaboration

In quantum scattering processes between two particles, aspects characterizing the strong and Coulomb forces can be observed in kinematic distributions of the particle pairs. The sensitivity to the interaction potential reaches a maximum at…

核实验 · 物理学 2021-12-17 ALICE Collaboration

High yield of strange particle production per central collision in nucleus-nucleus collisions at RHIC and high statistics data set from STAR experiment allow us to measure \Lambda\Lambda correlations. The \Lambda\Lambda correlation…

高能物理 - 实验 · 物理学 2019-08-13 Neha Shah

Recent measurements of two-particle correlations in high-multiplicity p-Pb collisions at $\sqrt{s_{NN}} = 5.02$ TeV revealed a long-range structure (large separation in $\Delta\eta$) at the near- ($\Delta\varphi\simeq0$) and away-side…

核实验 · 物理学 2019-08-13 M. Weber

Over the past two decades, numerous exotic hadron states have been discovered, yet their underlying nature remains unclear. It is widely acknowledged that understanding hadron-hadron interactions is essential to unraveling their properties.…

高能物理 - 唯象学 · 物理学 2026-01-01 Yi-Bo Shen , Zhi-Wei Liu , Ming-Zhu Liu , Rui-Xiang Shi , Chu-Wen Xiao , Wei-Hong Liang , Li-Sheng Geng

We present the first measurements of femtoscopic correlations between the K$^0_{\rm S}$ and K$^{\rm \pm}$ particles in pp collisions at $\sqrt{s}=7$ TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent…

核实验 · 物理学 2019-01-18 ALICE Collaboration

We have calculated the femtoscopic correlation functions of meson-baryon pairs in the strangeness $S=-1$ sector, employing a unitarized chiral interaction model up to next-to-leading order. We will show preliminary results for the…

高能物理 - 唯象学 · 物理学 2024-10-29 Pablo Encarnacion , Albert Feijoo , Angels Ramos

This Letter presents the most precise measurement to date of the matter-antimatter imbalance at midrapidity in Pb-Pb collisions at a center-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}} = 5.02$ TeV. Using the Statistical Hadronization…

核实验 · 物理学 2024-10-02 ALICE Collaboration

We have studied the azimuthal correlations between $\rm D^0$, $\rm D^+$ and $\rm D^{*+}$ mesons and charged particles in pp collisions at $\sqrt{s}=7~\mathrm{TeV}$ and p-Pb collisions at ${\sqrt{s_{\scriptscriptstyle \rm…

高能物理 - 实验 · 物理学 2022-09-21 Somnath Kar

In this work, a study of possible molecular states from the $\Lambda_c\bar{\Lambda}_c$ interaction and their productions in nucleon-antinucleon collision is performed in a quasipotential Bethe-Salpeter equation approach. Two bound states…

高能物理 - 唯象学 · 物理学 2023-01-04 Lin-Qing Song , Dan Song , Jun-Tao Zhu , Jun He

Studying the final state interactions and finding possible bound states is helpful for understanding the strong interactions and comprehending the equation-of-state (EoS) of the nuclear matter. In these proceedings, we present recent…

核实验 · 物理学 2026-04-06 Boyang Fu

Stimulated by recent indications that the binding energy of the hypertriton could be significantly larger than so far assumed, requirements of a more strongly bound $^3_\Lambda {\rm H}$ state for the hyperon-nucleon interaction and…

核理论 · 物理学 2021-01-20 Hoai Le , Johann Haidenbauer , Ulf-G. Meißner , Andreas Nogga

Results on $\Lambda$p femtoscopy are reported at the lowest energy so far. At a beam energy of 1.76A~GeV, the reaction Ar+KCl was studied with the High Acceptance Di-Electron Spectrometer (HADES) at SIS18/GSI. A high-statistics and…

A search for a high mass ttbar resonance in pp collisions at sqrt(s) = 7 TeV at the LHC is presented. We search for such a resonance using the final state where the $W$ bosons from the top quark decay into either an electron or a muon…

高能物理 - 实验 · 物理学 2019-08-13 Michele Petteni

We discuss a phenomenological model that describes results on diffractive pp and pbar-p cross sections and event final states up to the Fermilab Tevatron collider energy of 1.96 TeV and use it to make predictions for Large Hadron Collider…

高能物理 - 唯象学 · 物理学 2011-01-04 Konstantin Goulianos

A measurement of the production of prompt $\Lambda_{\rm c}^{+}$ baryons in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02 $ TeV with the ALICE detector at the LHC is reported. The $\Lambda_{\rm c}^{+}$ and $\overline{\Lambda}_{\rm c}^{-}$…

核实验 · 物理学 2019-06-17 ALICE Collaboration

In this contribution, the latest ALICE results on charmed baryon production are presented. In particular the measurements of $\Lambda_{\rm c}^{+}$-baryon production in pp collisions at ${\sqrt{\rm s}}$ = 5.02 TeV and in p-Pb collisions at…

高能物理 - 实验 · 物理学 2019-03-01 Elisa Meninno