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Related papers: Event weights for simulating Bose-Einstein correla…

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Parameter estimation via unbinned maximum likelihood fits is central for many analyses performed in high energy physics. Unbinned maximum likelihood fits using event weights, for example to statistically subtract background contributions…

Data Analysis, Statistics and Probability · Physics 2022-05-09 Christoph Langenbruch

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…

Nuclear Experiment · Physics 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

In this talk, I discuss recent progress in the development of simulation algorithms that do not rely on any concept of quantum theory but are nevertheless capable of reproducing the averages computed from quantum theory through an…

Quantum Physics · Physics 2007-12-18 H. De Raedt

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…

High Energy Physics - Phenomenology · Physics 2017-08-23 G. A. Kozlov

Model-independent considerations are presented for the calculation of Bose-Einstein correlation functions and momentum distributions which describe boson-emitting systems containing a central part surrounded by a large halo. If the…

High Energy Physics - Phenomenology · Physics 2015-06-25 T. Csorgo , B. Lorstad , J. Zimanyi

Predictions of analytical models for hadronisation, namely the dispersive model, the shape function and the single dressed gluon approximation, are compared with moments of hadronic event shape distributions measured in \epem annihilation…

High Energy Physics - Experiment · Physics 2010-12-17 C. Pahl , S. Bethke , O. Biebel , S. Kluth , J. Schieck

We compute power corrections to mean values of hadronic event shapes - the thrust and the C parameter - of tagged b quark events in electron positron annihilation, using the dispersive approach. We find that the leading power corrections…

High Energy Physics - Phenomenology · Physics 2010-02-03 Zoltan Trocsanyi

We discuss recent progress in the development of simulation algorithms that do not rely on any concept of quantum theory but are nevertheless capable of reproducing the averages computed from quantum theory through an event-by-event…

Quantum Physics · Physics 2011-05-31 H. De Raedt , S. Zhao , S. Yuan , F. Jin , K. Michielsen , S. Miyashita

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…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

The statistics of the sum of random weights where the number of weights is Poisson distributed has important applications in nuclear physics, particle physics and astrophysics. Events are frequently weighted according to their acceptance or…

Data Analysis, Statistics and Probability · Physics 2015-06-17 G. Bohm , G. Zech

The analysis of meson correlations by Hanbury-Brown--Twiss interferometry is tested with a simple model of meson production by resonance decay. We derive conditions which should be satisfied in order to relate the measured momentum…

Nuclear Theory · Physics 2008-11-26 G. F. Bertsch , P. Danielewicz , M. Herrmann

Bose-Einstein correlations in W-pair production at LEP are investigated in a data sample of 629 pb^-1 collected by the L3 detector at centre-of-mass energies of 189-209 GeV. Bose-Einstein correlations between pions within a W decay are…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

In observational causal inference, in order to emulate a randomized experiment, weights are used to render treatments independent of observed covariates. This property is known as balance; in its absence, estimated causal effects may be…

Methodology · Statistics 2020-07-16 David Arbour , Drew Dimmery , Arjun Sondhi

We discuss the properties of an ideal relativistic gas of events possessing Bose-Einstein statistics. We find that the mass spectrum of such a system is bounded by $\mu \leq m\leq 2M/\mu _K,$ where $\mu $ is the usual chemical potential,…

High Energy Physics - Theory · Physics 2014-11-18 L. Burakovsky , L. P. Horwitz , W. C. Schieve

We argue that strong final state rescattering among the secondary particles created in relativistic heavy ion collisions is essential to understand the measured Bose-Einstein correlations. The recently suggested ``random walk models'' which…

Nuclear Theory · Physics 2009-10-09 Boris Tomasik , Ulrich Heinz , Jan Pisut

A common situation in experimental physics is to have a signal which can not be separated from a non-interfering background through the use of any cut. In this paper, we describe a procedure for determining, on an event-by-event basis, a…

Data Analysis, Statistics and Probability · Physics 2008-05-20 M. Williams , M. Bellis , C. A. Meyer

A common problem in data analysis is the separation of signal and background. We revisit and generalise the so-called $sWeights$ method, which allows one to calculate an empirical estimate of the signal density of a control variable using a…

Methodology · Statistics 2022-08-24 Hans Dembinski , Matthew Kenzie , Christoph Langenbruch , Michael Schmelling

Bose-Einstein correlations are studied in the framework of a class of independent particle production models. This generalizes the studies for a variety of models proposed previously. It is shown that the Bose-Einstein correlations lead for…

High Energy Physics - Phenomenology · Physics 2009-10-31 K. Zalewski

We review the data gathering and analysis procedure used in real Einstein-Podolsky-Rosen-Bohm experiments with photons and we illustrate the procedure by analyzing experimental data. Based on this analysis, we construct event-based computer…

Quantum Physics · Physics 2007-12-26 H. De Raedt , K. De Raedt , K. Michielsen , K. Keimpema , S. Miyashita

In this paper heavy quark energy loss models are embedded in full event-by-event viscous hydrodynamic simulations to investigate the nuclear suppression factor and azimuthal anisotropy of D$^0$ mesons in PbPb collisions at 5.02 TeV in the…