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Related papers: Some results from the NA27 Data

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We have studied the multifractality of pion emission process in 16O-AgBr interactions at 2.1AGeV & 60AGeV, 12CAgBr &24Mg-AgBr interactions at 4.5AGeV and 32S-AgBr interactions at 200AGeV using Multifractal Detrended Fluctuation Analysis…

High Energy Physics - Experiment · Physics 2016-03-16 Gopa Bhoumik , Argha Deb , Swarnapratim Bhattacharyya , Dipak Ghosh

Event-by-event (ebe) fluctuations in mean pseudorapidity values of relativistic charged particles in full phase space is studied by analysing experimental data on $^{16}O-AgBr$ collisions at 14.5A, 60A, and 200A GeV/c and $^{32}S-AgBr$…

High Energy Physics - Phenomenology · Physics 2022-05-31 Bushra Ali , Shaista Khan , Anuj Chandra , Shakeel Ahmad

It is shown using Monte Carlo simulation that for low multiplicity events the single-event factorial moments are saturated by the statistical fluctuations. The diverse of the event-space moments $C_{p,q}$ of single-event moments with the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Liu Lianshou , Fu Jinghua , Wu Yuanfang

The existence of a pseudogap in unitary Fermi gases has recently been established and measured experimentally [Li et al., Nature 626, 288 (2024)]. This lends strong support for the pairing origin as the mechanism of the pseudogap in Fermi…

Quantum Gases · Physics 2026-04-08 Chuping Li , Lin Sun , Kaichao Zhang , Junru Wu , Yuxuan Wu , Dingli Yuan , Pengyi Chen , Qijin Chen

Multiplicity fluctuation of the target evaporated fragments emitted in 290 A MeV 12C-AgBr, 400 A MeV 12C-AgBr, 400 A MeV 20Ne-AgBr and 500 A MeV 56Fe-AgBr interactions is investigated using scaled factorial moment method in two-dimensional…

Nuclear Experiment · Physics 2015-06-16 D. H. Zhang , Y. L. Chen , G. R. Wang , W. D. Li , Q. Wang , J. J. Yao , J. G. Zhou , S. H. Zhen , L. L. Xu , H. F. Miao , P. Wang

Event-to-event fluctuations of the spatial patterns of the final states of high-enery collisions, referred to as erraticity, are studied for the data generated by a soft-interaction model called ECOMB. The moments $C_{p,q}$ do not show…

High Energy Physics - Phenomenology · Physics 2009-10-31 Z. Cao , R. C. Hwa

We present a comprehensive study of event-by-event multiplicity fluctuations in nucleon-nucleon and nucleus-nucleus interactions from AGS/FAIR to RHIC energies within the UrQMD transport approach. The scaled variances of negative, positive,…

Nuclear Theory · Physics 2008-11-26 Benjamin Lungwitz , Marcus Bleicher

Event-by-event (ebe) multiplicity \fll and \cor amongst the charged particles emitted in the forward-backward symmetric pseudorapidity (\et) windows of varying widths and positions are investigated by analyzing the experimental data on…

Nuclear Experiment · Physics 2023-05-24 Bushra Ali , Sweta Singh , Anuj Chandra , Shakeel Ahmad

An extensive analysis of individual high multiplicity events produced in 158 A GeV /c 208Pb- 208Pb collisions is carried by adopting different methods to examine the anomalous behavior of these rare events. A method of selecting the events…

Nuclear Experiment · Physics 2015-12-02 Shakeel Ahmad , Anuj Chandra , Ashwini Kumar , O. S. K. Chaturvedi , A. Ahmad , M. Zafar , M. Irfan , B. K. Singh

Fractal structure of charged particle distributions in the pseudorapidity and transverse momentum in central C-Cu collisions at 4.5A GeV/c is studied by means of intermittency approach and multifractal analysis. The modifications to take…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. K. G. Sarkisyan , L. K. Gelovani , G. L. Gogiberidze

Event-by-event fluctuations and correlations in azimuthal angle are currently widely investigated in various experiments. In this paper the $\Phi$ measure (earlier used in experiments to evaluate fluctuations in transverse momentum) is now…

Nuclear Experiment · Physics 2019-08-14 Tomasz Cetner , Katarzyna Grebieszkow

Multiplicity distributions of charged particles and their event-by-event fluctuations have been compiled for relativistic heavy-ion collisions from the available experimental data at Brookhaven National Laboratory and CERN and also by the…

Nuclear Experiment · Physics 2016-06-20 Maitreyee Mukherjee , Sumit Basu , Subikash Choudhury , Tapan K. Nayak

The PHOBOS apparatus includes a charged particle multiplicity detector covering almost all of 4pi in solid angle. The broad coverage in pseudorapidity, $\eta$, which is unique at RHIC, combined with the ability to collect a large sample of…

Nuclear Experiment · Physics 2008-11-26 G. S. F. Stephans

Measurements of event-by-event fluctuations of charged-particle multiplicities in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV using the ALICE detector at the CERN Large Hadron Collider (LHC) are presented in the pseudorapidity range…

Nuclear Experiment · Physics 2022-04-08 ALICE Collaboration

Event-by-event fluctuations in the spatial patterns in charged particles generated in Pb--Pb collisions at the center-of-mass energy $\sqrt{S_{\rm{NN}}}$ = 2.76 TeV are studied within A MultiPhase Transport (AMPT) model. The spatial…

Nuclear Experiment · Physics 2015-01-29 Ramni Gupta , Rohni Sharma

The energy and system size dependence of pseudorapidity ($\eta$) and multiplicity distributions of photons are measured in the region -2.3 $\leq$ $\eta$ $\leq$ -3.7 for Cu + Cu collisions at $\sqrt{s_{NN}}$ = 200 and 62.4 GeV. Photon…

Nuclear Experiment · Physics 2008-11-26 Monika Sharma , Sunil Dogra , Neeraj Gupta

As mechanical devices in the nano/micro length scale are increasingly employed, it is crucial to understand nanoscale friction and wear especially at technically relevant sliding velocities. Accordingly, a novel technique has been developed…

Materials Science · Physics 2015-06-19 James L. Bosse , Sungjun Lee , Bryan D. Huey , Andreas Sø Andersen , Duncan S. Sutherland

In the PHOBOS experiment, charged particles are measured in almost the full solid angle. This enables the study of fluctuations and correlations in the particle production over a very wide kinematic range. In this paper, we show results of…

Nuclear Experiment · Physics 2008-11-26 Krzysztof Wozniak

The phase diagram of the strongly interacting matter is the main research subject for different current and future experiments in high-energy physics. System size and energy scan programs aim to find a possible critical point. One of such…

Instrumentation and Detectors · Physics 2019-07-15 Andrey Seryakov

It is pointed out that in doing the factorial moment analysis with non-integer partition $M$ of phase space, the influence of the phase-space variation of two- (or more-) particle correlations has to be considered carefully. In this paper…

High Energy Physics - Phenomenology · Physics 2007-05-23 Chen Gang , Liu Lianshou , Gao Yanmin