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Prior proposed observing approaches using event mixing technique for Bose-Einstein correlations (BEC) measurements in exclusive reactions with very low multiplicities are still unsatisfactory due to the problems of sample reduction and…

核理论 · 物理学 2020-04-22 Q. He , X. He , T. Li

We develop an event mixing technique with a missing mass consistency (MMC) cut and a pion energy (PE) cut for the measurement of two-pion Bose-Einstein correlations (BEC) in reactions with only two identical pions produced in the final…

核实验 · 物理学 2019-12-06 Q. He , J. Ai , T. Ishikawa , T. Li , L. Ma , J. Ma , M. Miyabe , N. Muramatsu , H. Shimizu , Y. Tsuchikawa , Y. Xiang , H. Yamazaki , Y. Zhang

We have developed an event mixing technique to observe Bose-Einstein correlations (BEC) between two identical neutral pions produced in photo-induced reactions in the non-perturbative QCD energy region. It is found that the missing-mass…

We present new algorithms for simulating Bose-Einstein correlations among final-state bosons in an event generator. The algorithms are all based on introducing Bose-Einstein correlations as a shift of final-state momenta among identical…

高能物理 - 唯象学 · 物理学 2011-02-15 L. Lönnblad , T. Sjöstrand

This report summarises the recent studies of the Bose-Einstein Correlations (BEC) carried out by the four LEP experiments using hadronic Z$^0$ decay events and $e^+ e^-$ reactions leading to the WW decay final states. The three identical…

高能物理 - 唯象学 · 物理学 2007-05-23 Gideon Alexander , Iuliana Cohen

Intensity interferometry and in particular that due to Bose Einstein correlations (BEC) constitutes at present the only direct experimental method for the determination of sizes and lifetimes of sources in particle and nuclear physics. The…

高能物理 - 唯象学 · 物理学 2009-10-31 Richard M. Weiner

We report on studies of Bose-Einstein correlations and color reconnection in hadronic W pair production at LEP. Bose-Einstein correlations between identical particles from the decay of different W's are studied by comparing the particle…

高能物理 - 实验 · 物理学 2016-08-31 Raimund Ströhmer

Bose-Einstein correlations (BEC) observed between identical bosons produced in high energy multiparticle collisions are regarded as very important tool in investigations of multiparticle production processes. We present here their…

高能物理 - 唯象学 · 物理学 2014-11-17 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

The limitations of the recently proposed new method of numerical modelling of Bose-Einstein correlations (BEC) are explicitly demonstrated. It is then argued that BEC should still be considered as emerging from the correlations of…

高能物理 - 唯象学 · 物理学 2017-08-23 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

We propose extension of the algorithm for numerical modelling of Bose-Einstein correlations (BEC), which was presented some time ago in the literature. It is formulated on quantum statistical level for a single event and uses the fact that…

高能物理 - 唯象学 · 物理学 2009-11-07 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

We describe an attempt to numerically model Bose-Einstein correlations (BEC) from "within", i.e., by using them as the most fundamental ingredient of a Monte Carlo event generator (MC) rather than considering them as a kind of (more or less…

高能物理 - 唯象学 · 物理学 2007-05-23 O. V. Utyuz , G. Wilk , Z. Wlodarczyk

We employ the Bayesian improved cross entropy (BiCE) method for rare event estimation in static networks and choose the categorical mixture as the parametric family to capture the dependence among network components. At each iteration of…

统计方法学 · 统计学 2023-09-25 Jianpeng Chan , Iason Papaioannou , Daniel Straub

We propose extension of the numerical method to model effect of Bose-Einstein correlations (BEC) observed in hadronization processes which allows for calculations not only correlation functions $C_2(Q_{inv})$ (one-dimensional) but also…

高能物理 - 唯象学 · 物理学 2007-05-23 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

We discuss the effect of nonextensivity of the emitting source on the Bose-Einstein correlations (BEC). This is done numerically by comparing cascade hadronization model (CAS), which is known to exhibit fractal structure in both space-time…

高能物理 - 唯象学 · 物理学 2007-05-23 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

The influence of Bose-Einstein correlations on the determination of the mass of the W boson in e+e- -> WW -> 4jet events at LEP2 energies is studied, using a global event weighting method. We find that it is possible to keep the systematic…

高能物理 - 唯象学 · 物理学 2009-04-09 V. Kartvelishvili , R. Kvatadze , R. Moller

A quantum device for measuring two-body interactions, scalar magnetic fields and rotations is proposed using a Bose--Einstein condensate (BEC) in a ring trap. We consider an imbalanced superposition of orbital angular momentum modes with…

量子物理 · 物理学 2019-02-13 G. Pelegrí , J. Mompart , V. Ahufinger

The use of isospin invariance and Generalized Bose statistics shows that the Bose-Einstein correlation (BEC) of identical bosons seen in the $K^+K^+$ and $\pi^+ \pi^+$ systems can be extended to apply to $K^+ K^o$ and $\pi^+ \pi^o$ pairs…

高能物理 - 唯象学 · 物理学 2009-10-31 Gideon Alexander , Harry J. Lipkin

An event weighting method for simulating Bose-Einstein effects in hadronic final states is presented. The weight for an event depends on the momentum distribution of identical bosons in the event. By using a theoretically motivated…

高能物理 - 唯象学 · 物理学 2009-11-07 V. Kartvelishvili , R. Kvatadze

Based on quantum field theory at finite temperature we carried out new results for two-particle Bose-Einstein correlation (BEC) function ${C_2}(Q)$ in case of light hadrons. The important parameters of BEC function related to the size of…

高能物理 - 唯象学 · 物理学 2017-08-23 G. A. Kozlov

We applied an analytical formula for Bose-Einstein correlations (BEC) developed by us recently to high-energy heavy ion collisions, in particular to data on S+Pb$\to\pi^+$-$\pi^+$+X reaction at energy $200$ GeV/nucleon reported by the NA44…

高能物理 - 唯象学 · 物理学 2007-05-23 T. Osada , S. Sano , M. Biyajima , G. Wilk
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