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Related papers: Large Rapidity Gaps in PP Collisions

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Using an eikonal analysis, we examine the validity of the factorization theorem for nucleon-nucleon, gamma p and gamma gamma collisions. As an example, using the additive quark model and meson vector dominance, we directly show that for all…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. M. Block , A. B. Kaidalov

We discuss the process of colour-singlet parton-parton scattering, which in hadron-hadron collision can lead to production of jet events, where a rapidity gap between the jets is present. The dynamics of the process is calculated within LL…

High Energy Physics - Phenomenology · Physics 2017-11-08 Rafał Staszewski , Izabela Babiarz , Antoni Szczurek

The multiplicity dependence of the pseudorapidity density of charged particles in proton-proton (pp) collisions at centre-of-mass energies $\sqrt{s}$ = 5.02, 7 and 13 TeV measured by ALICE is reported. The analysis relies on track segments…

Nuclear Experiment · Physics 2021-12-10 ALICE Collaboration

The isoscalar giant dipole resonance structure in $^{208}$Pb is calculated in the framework of a fully consistent relativistic random phase approximation, based on effective mean-field Lagrangians with nonlinear meson self-interaction…

Nuclear Theory · Physics 2009-11-06 D. Vretenar , A. Wandelt , P. Ring

Ratios of hadronic abundances are analyzed for pp and nucleus-nucleus collisions at sqrt(s)=20 GeV using the microscopic transport model UrQMD. Secondary interactions significantly change the primordial hadronic cocktail of the system. A…

In the framework of Color Glass Condensate, the pseudo-rapidity distributions of charged hadrons in pp and pA collisions at the LHC are studied with the UGD function from the GBW model. With a $\chi^{2}$ analysis of the CMS data in pp…

Nuclear Theory · Physics 2015-06-16 Hong-Min Wang , Jia-Fu Liu , Zhao-Yu Hou , Xian-Jing Sun

We summarize our understanding of the dynamical mechanisms governing rapidity gap survival in central exclusive diffraction, pp -> p + H + p (H = high-mass system), and discuss the uncertainties in present estimates of the survival…

High Energy Physics - Phenomenology · Physics 2008-12-08 M. Strikman , C. Weiss

We present predictions, from a simple model, for multiplicity distributions in rapidity for Pb-Pb and p-Pb central collisions at the LHC.

High Energy Physics - Phenomenology · Physics 2007-07-03 S. Abreu , J. Dias de Deus , J. G. Milhano

The intersection numbers of p-spin curves are computed through correlation functions of Gaussian ensembles of random matrices in an external matrix source. The p-dependence of intersection numbers is determined as polynomial in p; the large…

Mathematical Physics · Physics 2015-06-12 E. Brezin , S. Hikami

We estimate the amount of collective "elliptic flow" expected at mid-rapidity in proton-proton (p-p) collisions at the CERN Large Hadron Collider (LHC), assuming that any possible azimuthal anisotropy of the produced hadrons with respect to…

High Energy Physics - Phenomenology · Physics 2011-09-28 D. d'Enterria , G. Kh. Eyyubova , V. L. Korotkikh , I. P. Lokhtin , S. V. Petrushanko , L. I. Sarycheva , A. M. Snigirev

The total hadronic gamma*gamma* cross sections at high energy are calculated as a function of energy and photon virtuality in a model combining Regge exchange, the quark box diagram (a fixed pole in Regge language) and soft and hard pomeron…

High Energy Physics - Phenomenology · Physics 2015-06-25 A. Donnachie , H. G. Dosch , M. Rueter

In many modern astronomical facilities, multi-object telescopes are crucial instruments. Most of these telescopes have thousands of robotic fiber positioners(RFPs) installed on their focal plane, sharing an overlapping workspace. Collisions…

Robotics · Computer Science 2024-09-12 Baolong Chen , Jianping Wang , Zhigang Liu , Zengxiang Zhou , Hongzhuan Hu , Feifan Zhang

The Poisson point process (PPP) is not always a realistic model for the locations of vehicles along a road, because it does not account for the safety distance a driver maintains from the vehicle ahead. In this paper, we model the…

Networking and Internet Architecture · Computer Science 2020-09-11 Konstantinos Koufos , Carl P. Dettmann

Finite-size impurities suspended in incompressible flows distribute inhomogeneously, leading to a drastic enhancement of collisions. A description of the dynamics in the full position-velocity phase space is essential to understand the…

Chaotic Dynamics · Physics 2009-11-10 J. Bec , A. Celani , M. Cencini , S. Musacchio

The simple model which enables to take into account the effects of a colour string fusion in pp interactions is suggested. The parameters of the model are connected with the parameters of the pomeron trajectory and its couplings to hadrons.…

Nuclear Theory · Physics 2017-06-06 V. Vechernin , I. Lakomov

We have recently presented a Regge description of pion-pion total cross sections valid above 1.4 GeV, consistent with the few existing experiments, factorization and crossing symmetry. In this note we show how it also describes a further…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. R. Pelaez

Many state-of-the-art methods for safety assessment and motion planning for automated driving require estimation of the probability of collision (POC). To estimate the POC, a shape approximation of the colliding actors and probability…

Robotics · Computer Science 2024-05-24 Leon Tolksdorf , Christian Birkner , Arturo Tejada , Nathan van de Wouw

We present the current development of the photoproduction approach for the Higgs boson with its application to $pp$ and $pA$ collisions at the LHC. We perform a different analysis for the Gap Survival Probability, where we consider a…

High Energy Physics - Phenomenology · Physics 2015-05-27 M. B. Gay Ducati , G. G. Silveira

Multi-parton interactions and color reconnection can produce QGP-like effects in small systems, specifically, radial flow-like patterns. For pp collisions simulated with Pythia 8.212, in this work we investigate their effects on different…

High Energy Physics - Phenomenology · Physics 2016-10-14 Eleazar Cuautle , Antonio Ortiz , Guy Paic

The probability distribution of the conductance p(g) of disordered 2d and 3d systems is calculated by transfer matrix techniques. As expected, p(g) is Gaussian for extended states while for localized states it is log-normal. We find that at…

Disordered Systems and Neural Networks · Physics 2009-10-31 Marc Ruhlander , C. M. Soukoulis