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Two basic correlation functions are calculated for a model of $N$ harmonically interacting identical particles in a parabolic potential well. The density and the pair correlation function of the model are investigated for the boson case.…

Statistical Mechanics · Physics 2009-10-30 F. Brosens , J. T. Devreese , L. F. Lemmens

There are two length-scales present simultaneously in all the principal directions for three-dimensionally expanding, finite systems. These are discussed in detail for the case of a longitudinally expanding system with a transverse flow and…

High Energy Physics - Phenomenology · Physics 2009-10-28 T. Csorgo , B. Lorstad

In this paper we consider the possibility and conditions for pair photoemission whereby two incident photons emit pairs of electrons from a candidate material as a novel method to measure and visualize electronic correlations. As opposed to…

Recent results on effects of Bose-Einstein symmetrization in a system of independently produced particles are interpreted in terms of statistical physics. For a large class of distributions, the effective sizes of the system in momentum and…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Bialas , K. Zalewski

Collisions of Bose-Einstein condensates can be used as a mean to generate correlated pairs of atoms. The scattered massive particles, in analogy to photon pairs in quantum optics, might be used in the violation of Bell's inequalities,…

Quantum Gases · Physics 2018-04-25 Pawel Zin , Tomasz Wasak

The parameters of the Bose-Einstein correlation function may obey an {\it $M_t$-scaling}, as observed in $S + Pb$ and $Pb + Pb$ reactions at CERN SPS. This $M_t$-scaling implies that the Bose-Einstein correlation functions view only a small…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Csorgo , B. Lorstad

We consider extensions of the twin-trap Bose-Einstein condensate system of Javaneinen and Yoo [Phys. Rev. Lett., 76, 161--164 (1996)] to include pumping and output couplers. Such a system permits a continual outflow of two beams of atoms…

Quantum Physics · Physics 2007-05-23 M. J. Steel , D. F. Walls

Mathematical results on some models describing the motion of a tracer particle through a Bose-Einstein condensate are described. In the limit of a very dense, very weakly interacting Bose gas and for a very large particle mass, the dynamics…

Analysis of PDEs · Mathematics 2015-05-20 Juerg Froehlich , Zhou Gang , Avy Soffer

This paper reports measurements of two-pion Bose-Einstein (HBT) correlations in Be+Be collisions at a beam momentum of 150$A\,\mbox{GeV}/\textit{c}$ by the $\mbox{NA61/SHINE}$ experiment at the CERN SPS accelerator. The obtained momentum…

Nuclear Experiment · Physics 2024-07-22 SHINE Collaboration , H. Adhikary , P. Adrich , K. K. Allison , N. Amin , E. V. Andronov , T. Antićić , I. -C. Arsene , M. Bajda , Y. Balkova , M. Baszczyk , D. Battaglia , A. Bazgir , S. Bhosale , M. Bielewicz , A. Blondel , M. Bogomilov , Y. Bondar , N. Bostan , A. Brandin , W. Bryliński , J. Brzychczyk , M. Buryakov , A. F. Camino , M. Ćirković , M. Csanád , J. Cybowska , T. Czopowicz , C. Dalmazzone , N. Davis , A. Dmitriev , P. von Doetinchem , W. Dominik , P. Dorosz , J. Dumarchez , R. Engel , G. A. Feofilov , L. Fields , Z. Fodor , M. Friend , A. Garibov , M. Gaździcki , O. Golosov , V. Golovatyuk , M. Golubeva , K. Grebieszkow , F. Guber , S. N. Igolkin , S. Ilieva , A. Ivashkin , A. Izvestnyy , K. Kadija , N. Kargin , N. Karpushkin , E. Kashirin , M. Kiełbowicz , V. A. Kireyeu , H. Kitagawa , R. Kolesnikov , D. Kolev , Y. Koshio , V. N. Kovalenko , S. Kowalski , B. Kozłowski , A. Krasnoperov , W. Kucewicz , M. Kuchowicz , M. Kuich , A. Kurepin , A. László , M. Lewicki , G. Lykasov , V. V. Lyubushkin , M. Maćkowiak-Pawłowska , Z. Majka , A. Makhnev , B. Maksiak , A. I. Malakhov , A. Marcinek , A. D. Marino , K. Marton , H. -J. Mathes , T. Matulewicz , V. Matveev , G. L. Melkumov , A. Merzlaya , Ł. Mik , A. Morawiec , S. Morozov , Y. Nagai , T. Nakadaira , M. Naskręt , S. Nishimori , V. Ozvenchuk , O. Panova , V. Paolone , O. Petukhov , I. Pidhurskyi , R. Płaneta , P. Podlaski , B. A. Popov , B. Pórfy , M. Posiadała-Zezula , D. S. Prokhorova , D. Pszczel , S. Puławski , J. Puzović , R. Renfordt , L. Ren , V. Z. Reyna Ortiz , D. Röhrich , E. Rondio , M. Roth , Ł. Rozpłochowski , B. T. Rumberger , M. Rumyantsev , A. Rustamov , M. Rybczynski , A. Rybicki , K. Sakashita , K. Schmidt , A. Yu. Seryakov , P. Seyboth , U. A. Shah , Y. Shiraishi , A. Shukla , M. Słodkowski , P. Staszel , G. Stefanek , J. Stepaniak , M. Strikhanov , H. Ströbele , T. Šuša , Ł. Świderski , J. Szewiński , R. Szukiewicz , A. Taranenko , A. Tefelska , D. Tefelski , V. Tereshchenko , A. Toia , R. Tsenov , L. Turko , T. S. Tveter , M. Unger , M. Urbaniak , F. F. Valiev , D. Veberič , V. V. Vechernin , V. Volkov , A. Wickremasinghe , K. Wójcik , O. Wyszyński , A. Zaitsev , E. D. Zimmerman , A. Zviagina , R. Zwaska

Experimentally the temperature in a Bose--Einstein condensate is always deduced resorting to the comparison between the Maxwell--Boltzmann velocity distribution function and the density profile in momentum space. Though a successful method…

Statistical Mechanics · Physics 2008-09-10 Abel Camacho , Luis F. Barragan , Alfredo Macias

Bose-Einstein correlations are being exploited to obtain information about the structure of the sources of hadrons in multiple particle production processes. In this paper the principles of this approach are described and some of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kacper Zalewski

We prove two equilibrium properties of a system of interacting atoms in three or higher dimensional continuous space. (i) If the particles interact via pair potentials of a nonnegative Fourier transform, their self-organization into…

Mathematical Physics · Physics 2023-05-31 Andras Suto

The two-pion correlation function can be defined as a ratio of either the measured momentum distributions or the normalized momentum space probabilities. We show that the first alternative avoids certain ambiguities since then the…

Nuclear Theory · Physics 2008-11-26 Q. H. Zhang , P. Scotto , U. Heinz

The GGLP approach to Bose-Einstein correlations, a hydrodynamic model and a string model are briefly reviewed. The implications of the two models for the Bose-Einstein correlations among the decay products of a pair of W bosons are…

High Energy Physics - Phenomenology · Physics 2009-10-31 Kacper Zalewski

In the paper we include Bose-Einsten correlations for identical gluons, in the evolution of the double parton densities at low $x$ (high energies). We show that these correlations result in a faster increase of the double densities, in…

High Energy Physics - Phenomenology · Physics 2018-02-02 E. Gotsman , E. Levin

We study the system that two atoms simultaneously interact with a single-mode thermal field via different couplings and different spontaneous emission rates when two-photon process is involved. It is found that we indeed can employ the…

Quantum Physics · Physics 2009-09-29 Y. Q. Guo , L. Zhou , H. S. Song

Features of the emission of jets by driven Bose-Einstein condensates, discovered by Clark et al. (Nature 551, 356359), can be understood by drawing analogies with particle physics. In particular, the widening of the $\Delta\phi=\pi$ peak in…

Quantum Gases · Physics 2019-01-08 Miguel Arratia

Quantum-statistical correlation measurements in high-energy physics represent an important tool to obtain information about the space-time structure of the particle-emitting source. There are several final state effects which may modify the…

High Energy Physics - Phenomenology · Physics 2023-09-27 Mate Csanad , Antal Jakovac , Sandor Lokos , Ayon Mukherjee , Srikanta Kumar Tripathy

Multi-boson symmetrization effects on two-particle Bose-Einstein interferometry are studied for ensembles with arbitrary multiplicity distributions. This generalizes the previously studied case of a Poissonian input multiplicity…

High Energy Physics - Phenomenology · Physics 2009-10-09 Ulrich Heinz , Pierre Scotto , Qing-Hui Zhang

We discuss two-photon correlations from the side peaks that are formed when a two-level system emitter is driven coherently, with a detuning between the driving source and the emitter (quasi-resonance fluorescence). We do so in the context…

Quantum Physics · Physics 2023-05-03 Eduardo Zubizarreta Casalengua , Elena del Valle , Fabrice P. Laussy