English
Related papers

Related papers: Two-Particle Correlations from the q-Boson Viewpoi…

200 papers

A recently proposed method, based on quadrupole and multiplicity fluctuations in heavy ion collisions, is modified in order to take into account distortions due to the Coulomb field. This is particularly interesting for bosons produced in…

Nuclear Theory · Physics 2014-01-16 Hua Zheng , Gianluca Giuliani , Aldo Bonasera

The one- and two-boson momentum spectra are derived in the quantum local-equilibrium canonical ensemble of noninteracting bosons with a fixed particle number constraint. We define the canonical ensemble as a subensemble of events associated…

High Energy Physics - Phenomenology · Physics 2023-12-05 M. D. Adzhymambetov , S. V. Akkelin , Yu. M. Sinyukov

The size of the particle emission region in high-energy collisions can be deduced using the femtoscopic correlations of particle pairs at low relative momentum. Such correlations arise due to quantum statistics and Coulomb and strong final…

Nuclear Experiment · Physics 2016-03-18 ALICE Collaboration

In Hanbury-Brown-Twiss interferometry measurements using identical bosons, the chaoticity parameter lambda has been introduced phenomenologically to represent the momentum correlation function at zero relative momentum. It is useful to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Cheuk-Yin Wong , Wei-Ning Zhang

In relativistic heavy ion collisions an exact multipole decomposition of the Lorentz transformed time dependent Coulomb potentials in a coordinate system with equal constant, but opposite velocities of the ions, is obtained for both zero…

High Energy Physics - Theory · Physics 2007-05-23 A. Isar

Most of this paper consists of the derivation of general beam-referenced stage-two spin-correlation functions for the analysis of top-antitop pair-production at the Tevatron, at the Large Hadron Collider, and/or at an International Linear…

High Energy Physics - Phenomenology · Physics 2009-01-07 Charles A. Nelson , Eric Gasparo Barbagiovanni , Jeffrey J. Berger , Elisa K. Pueschel , Joshua R. Wickman

The model under consideration is a two-dimensional two-component plasma, i.e., a continuous system of two species of pointlike particles of opposite charges $\pm 1$, interacting through the logarithmic Coulomb interaction. Using the exact…

Statistical Mechanics · Physics 2007-05-23 L. Šamaj , B. Jancovici

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…

Nuclear Experiment · Physics 2021-12-17 ALICE Collaboration

Two-Particle correlations based on the interference of identical particles has provided the chief means for determining the shape and lifetime of sources in relativistic heavy ion collisions. Here, Strong and Coulomb induced correlations…

Nuclear Theory · Physics 2009-11-10 Scott Pratt , Silvio Petriconi

Bose-Einstein correlations of identical hadrons reveal information about hadron creation from the strongly interacting matter formed in ultrarelativistic heavy ion collisions. The measurement of three-particle correlations may in particular…

Nuclear Experiment · Physics 2018-01-12 Tamás Novák

We study the local violation of P and CP invariance in heavy ion collisions as observed at RHIC and LHC using a simple "deformed QCD" model. This model is a weakly coupled gauge theory, which however has all the relevant crucial elements…

High Energy Physics - Phenomenology · Physics 2015-06-11 Ariel R. Zhitnitsky

The first experimental information on the strong interaction between $\Lambda$ and $\Xi^-$ strange baryons is presented in this Letter. The correlation function of $\Lambda-\Xi^-$ and $\overline{\Lambda}-\overline{\Xi}^{+}$ pairs produced…

Nuclear Experiment · Physics 2023-10-06 ALICE Collaboration

Motivated by the growing interest in accessing the spin structure of multi-boson processes and in measuring quantum entanglement at high energies, we study polarisation and spin-correlation coefficients in di-boson systems. We show that…

High Energy Physics - Phenomenology · Physics 2025-01-13 Michele Grossi , Giovanni Pelliccioli , Alessandro Vicini

The proton-deuteron correlation function measured by the ALICE collaboration in high multiplicity p+p collisions shows a momentum dependence which is in contradiction with the predictions of the Lednick\'y-Lyuboshitz formalism of the…

Nuclear Theory · Physics 2025-03-04 Juan M. Torres-Rincon , Angels Ramos , Joel Rufí

Transverse momentum spectra of charged particle production in heavy-ion collisions are considered in terms of a recently introduced Two Component parameterization combining exponential ("soft") and power-law ("hard") functional forms. The…

High Energy Physics - Phenomenology · Physics 2016-02-17 A. A. Bylinkin , N. S. Chernyavskaya , A. A. Rostovtsev

Bose-Einstein correlations in pairs of identical particles were analyzed in e+ e- multihadron annihilations at ~91.2 GeV at LEP. The first studies involved identical charged pions and the emitting source size was determined. Then the study…

High Energy Physics - Experiment · Physics 2008-11-26 C. Ciocca , M. Cuffiani , G. Giacomelli

We extend our relativistic quark model to the study of the decay Lambda_b -> Lambda_c ell nu and verify that the model satisfies the heavy-quark symmetry constraints at order 1/mQ^2. We isolate a strong dependence on a parameter which…

High Energy Physics - Phenomenology · Physics 2010-11-01 B. Holdom , M. Sutherland , J. Mureika

Atomic high-precision measurements have become a competitive and essential technique for tests of fundamental physics, the Standard Model, and our theory of gravity. It is therefore self-evident that such measurements call for a consistent…

Quantum Physics · Physics 2024-05-24 Tobias Asano , Enno Giese , Fabio Di Pumpo

We study the prospects for deducing constraints on the interaction of charmed baryons with nucleons from measurements of two-particle momentum correlation functions for $\Lambda_c p$. The correlation functions are calculated for $\Lambda_c…

Nuclear Theory · Physics 2020-08-26 J. Haidenbauer , G. Krein , T. C. Peixoto

We develop a method for detecting the inhomogeneity of the pion-emitting sources produced in ultra-relativistic heavy ion collisions, through event-by-event two-pion Bose-Einstein correlations. The root-mean-square of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yan-Yu Ren , Wei-Ning Zhang , Jian-Li Liu