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I review recent progress in the understanding of the connection between the space-time structure of the particle emitting source and the form of the two-particle correlation function in momentum space. Based on a new scheme for calculating…

Nuclear Theory · Physics 2009-10-09 Ulrich Heinz

In this work, we provide a method which allows to compute exactly the multipoint and multi-time correlation functions of a one-dimensional stochastic model of dimer adsorption-evaporation with random (uncorrelated) initial states. In…

Statistical Mechanics · Physics 2016-08-31 Mauro Mobilia

Two-proton correlation functions have been measured in Si+Pb collisions at 14.6A GeV/c and Au+Au collisions at 11.5A GeV/c by the E814/E877 collaboration. Data are compared with predictions of the transport model RQMD and the source size is…

Nuclear Experiment · Physics 2012-08-27 E877 Collaboration , J. Barrette

The recent NA49 measurement of two-proton correlation function shows an interesting and unexpected structure at large relative momentum. Applying source imaging techniques to the measurement, we find an unusually steep drop-off in the…

Nuclear Theory · Physics 2009-10-31 David A. Brown , Fuqiang Wang , Pawel Danielewicz

Two-proton correlations at small relative momentum q were studied in the eA(3He, 4He, C, Fe)-> e'ppX reaction at E_0 = 4.46 GeV using the CLAS detector at Jefferson Lab. The enhancement of the correlation function at small q was found to be…

High Energy Physics - Experiment · Physics 2010-04-06 CLAS Collaboration , A. V. Stavinsky , K. R. Mikhailov , R. Lednicky , A. V. Vlassov

We discuss a role of diproton correlation in two-proton emission from the ground state of a proton-rich nucleus, $^6$Be. Assuming the three-body structure of $\alpha + p + p$ configuration, we develop a time-dependent approach, in which the…

Nuclear Theory · Physics 2015-06-19 Tomohiro Oishi , Kouichi Hagino , Hiroyuki Sagawa

The high statistics data from the pp -> ppeta reaction measurement, delivered by the COSY-11 collaboration, are now being evaluated using the correlation femtoscopy technique. This method is based on the relative momentum correlations of…

We show how to determine the ratio of the transverse velocity of a source to the velocity of emitted particles, using split-bin correlation functions. The technique is to measure $S_2$ and $S_2^{\phi}$, subtract the contributions from the…

High Energy Physics - Phenomenology · Physics 2010-01-06 David Seibert , Kevin Haglin , Charles Gale

The energy-energy correlation function of the two-dimensional Ising model with weakly fluctuating random bonds is evaluated in the large scale limit. Two correlation lengths exist in contrast to one correlation length in the pure 2D Ising…

Condensed Matter · Physics 2007-05-23 K. Ziegler

In this paper we discuss the relation of particle number cumulants and correlation functions. It is argued that measuring couplings of the genuine multi-particle correlation functions could provide cleaner information on possible…

Nuclear Theory · Physics 2017-05-17 Adam Bzdak , Volker Koch , Nils Strodthoff

We study quantitatively angular correlations in the two-particle spectrum produced by an energetic probe scattering off a dense hadronic target with sizeable saturation momentum. To this end, two parton inclusive cross sections for…

High Energy Physics - Phenomenology · Physics 2009-11-11 Rudolf Baier , Alex Kovner , Marzia Nardi , Urs Achim Wiedemann

In this paper we present the preliminary results of the first study of the proton correlation function's dependence on the orientation of the reaction plane.

Nuclear Experiment · Physics 2007-05-23 S. Y. Panitkin

For the very first time, the correlation femtoscopy method is applied to a kinematically complete measurement of meson production in the collisions of hadrons. The shape of the two-proton correlation function derived for the pp -> ppeta…

Nuclear Experiment · Physics 2010-08-31 P. Klaja , P. Moskal

Proton-proton correlations from spectator decays following Au + Au collisions at 1000 AMeV have been measured with an highly efficient detector hodoscope. The constructed correlation functions indicate a moderate expansion and low breakup…

Nuclear Experiment · Physics 2019-08-14 C. Schwarz

The proton-proton momentum correlation functions ($C_{pp}(q)$) for kinematically complete decay channels of $^{23}$Al $\rightarrow$ p + p + $^{21}$Na and $^{22}$Mg $\rightarrow$ p + p + $^{20}$Ne have been measured at the RIKEN RI Beam…

We report on the first measurement of angular correlations between high-energy pions and slow protons in electron-nucleus ($eA$) scattering, providing a new probe of how a nucleus responds to a fast-moving quark. The experiment employed the…

Nuclear Experiment · Physics 2026-02-06 S. J. Paul , M. Arratia , H. Hakobyan , W. Brooks , A. Acar , P. Achenbach , J. S. Alvarado , W. R. Armstrong , N. A. Baltzell , L. Barion , M. Bashkanov , M. Battaglieri , F. Benmokhtar , A. Bianconi , A. S. Biselli , F. Bossù , S. Boiarinov , K. -T. Brinkmann , W. J. Briscoe , V. Burkert , T. Cao , D. S. Carman , P. Chatagnon , H. Chinchay , G. Ciullo , P. L. Cole , A. D'Angelo , N. Dashyan , R. De Vita , A. Deur , S. Diehl , C. Djalali , R. Dupre , H. Egiyan , A. El Alaoui , L. Elouadrhiri , P. Eugenio , M. Farooq , S. Fegan , A. Filippi , C. Fogler , G. Gavalian , G. P. Gilfoyle , R. W. Gothe , B. Gualtieri , M. Hattawy , F. Hauenstein , T. B. Hayward , M. Hoballah , M. Holtrop , Yu-Chun Hung , Y. Ilieva , D. G. Ireland , E. L. Isupov , D. Jenkins , H. S. Jo , D. Keller , M. Khandaker , A. Kim , V. Klimenko , I. Korover , A. Kripko , V. Kubarovsky , L. Lanza , S. Lee , P. Lenisa , X. Li , D. Marchand , V. Mascagna , B. McKinnon , T. Mineeva , V. Mokeev , E. F. Molina Cardenas , C. Munoz Camacho , P. Nadel-Turonski , T. Nagorna , K. Neupane , S. Niccolai , G. Niculescu , M. Osipenko , A. I. Ostrovidov , M. Ouillon , P. Pandey , M. Paolone , L. L. Pappalardo , R. Paremuzyan , E. Pasyuk , C. Paudel , W. Phelps , N. Pilleux , P. S. H. Vaishnavi , S. Polcher Rafael , L. Polizzi , J. W. Price , Y. Prok , A. Radic , T. Reed , J. Richards , M. Ripani , J. Ritman , G. Rosner , S. Schadmand , A. Schmidt , R. A. Schumacher , Y. Sharabian , S. Shrestha , E. Sidoretti , D. Sokhan , N. Sparveris , M. Spreafico , S. Stepanyan , I. I. Strakovsky , S. Strauch , M. Tenorio , F. Touchte Codjo , R. Tyson , M. Ungaro , S. Vallarino , C. Velasquez , L. Venturelli , H. Voskanyan , E. Voutier , Y. Wang , D. P. Watts , U. Weerasinghe , X. Wei , M. H. Wood , L. Xu , Z. Xu , M. Zurek

A model to study two-proton emission processes induced by electron scattering is developed. The process is induced by one-body electromagnetic operators acting together with short-range correlations, and by two-body $\Delta$ currents. The…

Nuclear Theory · Physics 2008-11-26 Marta Anguiano , Giampaolo Co' , Antonio M. Lallena

The effects of resonances and flow on the correlation function for two identical particles are described assuming chaotic sources and classical propagation of particles. Expanding to second order in relative momenta, the source sizes can be…

High Energy Physics - Phenomenology · Physics 2016-09-01 H. Heiselberg

Within an improved transport model, we examine effects of the high momentum tail of the nucleon momentum distribution induced by short-range correlations on the proton-proton momentum correlation function in $^{197}$Au+$^{197}$Au collisions…

Nuclear Theory · Physics 2020-02-12 Gao-Feng Wei , Xi-Guang Cao , Qi-Jun Zhi , Xin-Wei Cao , Zheng-Wen Long

The angular dependence of proton-proton correlation functions is studied in central $^{40}Ca+^{40}Ca$ and $^{48}Ca+^{48}Ca$ nuclear reactions at E=80 MeV/A. Measurements were performed with the HiRA detector complemented by the 4$\pi$ Array…