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Related papers: Particle Correlations at LEP

200 papers

In this paper, we explore the interactions between light axion-like particles (ALPs) and top quarks, gluons, and W-bosons. Utilizing high-energy probes at the LHC, we probe these couplings in the context of single top quark production…

High Energy Physics - Phenomenology · Physics 2024-10-25 Yasaman Hosseini , Mojtaba Mohammadi Najafabadi

A measurement of charged hadron pair correlations in two-dimensional $\Delta\eta\Delta\phi$ space is presented. The analysis is based on total 30 million central Be+Be collisions observed in the NA61/SHINE detector at the CERN SPS for…

Nuclear Experiment · Physics 2021-01-25 SHINE Collaboration , A. Aduszkiewicz , E. V. Andronov , T. Antićić , V. Babkin , M. Baszczyk , S. Bhosale , A. Blondel , M. Bogomilov , A. Brandin , A. Bravar , W. Bryliński , J. Brzychczyk , M. Buryakov , O. Busygina , A. Bzdak , H. Cherif , M. Ćirković , M. Csanad , J. Cybowska , T. Czopowicz , A. Damyanova , N. Davis , M. Deliyergiyev , M. Deveaux , A. Dmitriev , W. Dominik , P. Dorosz , J. Dumarchez , R. Engel , G. A. Feofilov , L. Fields , Z. Fodor , A. Garibov , M. Gaździcki , O. Golosov , V. Golovatyuk , M. Golubeva , K. Grebieszkow , F. Guber , A. Haesler , S. N. Igolkin , S. Ilieva , A. Ivashkin , S. R. Johnson , K. Kadija , N. Kargin , E. Kashirin , M. Kiełbowicz , V. A. Kireyeu , V. Klochkov , V. I. Kolesnikov , D. Kolev , A. Korzenev , V. N. Kovalenko , S. Kowalski , M. Koziel , A. Krasnoperov , W. Kucewicz , M. Kuich , A. Kurepin , D. Larsen , A. László , T. V. Lazareva , M. Lewicki , K. Łojek , V. V. Lyubushkin , M. Maćkowiak-Pawłowska , Z. Majka , B. Maksiak , A. I. Malakhov , A. Marcinek , A. D. Marino , K. Marton , H. -J. Mathes , T. Matulewicz , V. Matveev , G. L. Melkumov , A. O. Merzlaya , B. Messerly , Ł. Mik , S. Morozov , S. Mrówczyński , Y. Nagai , M. Naskręt , V. Ozvenchuk , V. Paolone , O. Petukhov , R. Płaneta , P. Podlaski , B. A. Popov , B. Porfy , M. Posiadała-Zezula , D. S. Prokhorova , D. Pszczel , S. Puławski , J. Puzović , M. Ravonel , R. Renfordt , D. Röhrich , E. Rondio , M. Roth , B. T. Rumberger , M. Rumyantsev , A. Rustamov , M. Rybczynski , A. Rybicki , A. Sadovsky , K. Schmidt , I. Selyuzhenkov , A. Yu. Seryakov , P. Seyboth , M. Słodkowski , P. Staszel , G. Stefanek , J. Stepaniak , M. Strikhanov , H. Ströbele , T. Šuša , A. Taranenko , A. Tefelska , D. Tefelski , V. Tereshchenko , A. Toia , R. Tsenov , L. Turko , R. Ulrich , M. Unger , D. Uzhva , F. F. Valiev , D. Veberič , V. V. Vechernin , A. Wickremasinghe , Z. Włodarczyk , K. Wojcik , O. Wyszyński , E. D. Zimmerman , R. Zwaska

We show that the most popular method to simulate Bose-Einstein (BE) interference effects predicts negligible correlations between identical pions originating from the hadronic decay of different W's produced in e+e- -> W+W- -> 4 jets at…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. V. Chekanov , A. De Roeck , E. A. De Wolf

Recent measurements of the properties of W+W- events produced in e+e- collisions at Ecm=183 GeV at LEP are reviewed. The data are used to investigate the predicted effects of final state interactions, specifically "colour reconnection".

High Energy Physics - Phenomenology · Physics 2007-05-23 N. K. Watson

Complementary to jet reconstruction, two-particle correlations in $\Delta\eta$ and $\Delta\varphi$ are used to study jets, in particular their particle composition. While in Pb--Pb collisions this is done to characterize the quark--gluon…

Nuclear Experiment · Physics 2021-11-01 Lucia Anna Tarasovičová

The hadronic correlation among particle-antiparticle pairs was highlighted in the late 1990's, culminating with the demonstration that it should exist if the masses of the hadrons were modified in the hot and dense medium formed in high…

Nuclear Theory · Physics 2009-02-04 Sandra S. Padula , Danuce M. Dudek , Otavio Socolowski

A general review of the latest results about single and double vector boson production in the multipurpose experiments at LHC (ATLAS and CMS) and at Tevatron (CDF and D0) will be presented. The review will focus on boson production, while a…

High Energy Physics - Experiment · Physics 2019-08-15 Sara Bolognesi

Production of W and Z bosons in proton - proton collisions at Large Hadron Collider has been extensively studied by the ATLAS and CMS Collaborations during the Run 1 period. Data collected at $\sqrt s$ = 7 TeV and $\sqrt s$ = 8 TeV were…

High Energy Physics - Experiment · Physics 2015-10-20 Pavel Staroba

The advent of back-scattered laser beams for electron-positron colliders will allow detailed studies of a large array of high energy photon-photon and photon-electron collision processes with polarized beams. These include tests of…

High Energy Physics - Phenomenology · Physics 2009-09-11 Stanley J. Brodsky

A critical summary is given of the present status of the study of Bose-Einstein Correlations in W-pair production at LEP II. In particular, the evidence is reviewed for or against the existence of Bose-Einstein correlations between pions…

High Energy Physics - Experiment · Physics 2007-05-23 Sharka Todorova-Nova

Inclusive distributions of charged particles in hadronic W decays are experimentally investigated using the statistics collected by the DELPHI experiment at LEP during 1997, 1998 and 1999, at centre-of-mass energies from 183 to around 200…

High Energy Physics - Experiment · Physics 2010-04-08 P. Abreu

The two-particle angular correlations in the $\Delta$y,$\Delta\varphi$ space provide valuable insights into the properties of hadronization mechanisms and quark-gluon plasma properties. The correlation functions are influenced by several…

High Energy Physics - Experiment · Physics 2024-03-06 Daniela Ruggiano

Bose-Einstein correlations of identical bosons reveal information about the space-time structure of particle emission from the sQGP formed in ultra-relativistic heavy-ion collisions. Previous measurements of two particle correlations have…

Nuclear Experiment · Physics 2020-05-22 Bálint Kurgyis

We review particle interferometry before 2000, including: basics and formalism of quantum-statistical correlations; model-independent analysis of short-range correlations; Coulomb wave-function corrections and the core/halo picture for…

High Energy Physics - Phenomenology · Physics 2011-05-05 T. Csorgo

Recent measurements of the electroweak-boson production performed by the ALICE Collaboration are reported. The W-boson production was measured at midrapidity in pp collisions at $\sqrt{s} = 13$ TeV, via the electronic decay of the boson. It…

Nuclear Experiment · Physics 2023-03-22 Giullaume Taillepied

The charged-particle multiplicity distribution is measured for all hadronic events as well as for light-quark and b-quark events produced in e+e- collisions at the Z pole. Moments of the charged-particle multiplicity distributions are…

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

Discussions about Bose-Einstein correlations between decay products of coproduced W-bosons again raise the question about the behaviour of correlations if several strings are produced. This is studied by the multiplicity dependence of…

High Energy Physics - Experiment · Physics 2007-05-23 B. Buschbeck , P. Lipa , H. C. Eggers

Bose-Einstein correlations of identical charged-pion pairs produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using Levy stable distributions. The source function is reconstructed…

High Energy Physics - Experiment · Physics 2007-05-23 Tamas Novak

Data collected at LEP at centre-of-mass energies \sqrt(s) = 189 - 209 GeV are used to study correlations of the spin of W bosons using e+e- -> W+W- -> lnqq~ events. Spin correlations are favoured by data, and found to agree with the…

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

Recent results on measurements of the strong coupling $\alpha_S$ from LEP are reported. These include analyses of the 4-jet rate using the Durham or Cambridge algorithm, of hadronic $Z^0$ decays with hard final state photon radiation, of…

High Energy Physics - Experiment · Physics 2008-11-26 Stefan Kluth