A comprehensive study of energy dependence of particle ratios in pp collisions from SPS to LHC energies

نویسندگان

چکیده

A comprehensive study has been performed to estimate the kaon pion ( $$K^\pm$$ / $$\pi ^\pm$$ ) and total (K/ $$\pi$$ yield ratios as a function of centre mass energy in pp collisions at different energies, i.e. $$\sqrt{\mathrm {s}}$$ = 6.3, 17.3, 62.4, 200, 900 GeV, 2.76 TeV, 7 13 TeV 14 using EPOS1.99, EPOS-LHC, HIJING, QGSJETII-03 Sibyll2.3d model simulations. NA61/SHINE experiment reported that $$K^+/\pi ^+$$ ratio exhibits rapid changes SPS range. horn-like structure appears $$K/\pi$$ collision energy. Significant presence horn $$K^+$$ $$K^-$$ ^-$$ is suggested by experimental data lower which confirmed HIJING EPOS-LHC models. smooth increase also seen higher energies. The simulations predict similar with increasing On basis previous available measurements, we predictions these where no are available. Almost all models suggest saturation within statistical fluctuations energies except EPOS1.99 slightly overpredict ratio. These systematic comparisons helpful apply possible constraints on various hadronic event generators significantly improve standard physics well for understanding underlying mechanisms high-energy collisions.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

from linguistics to literature: a linguistic approach to the study of linguistic deviations in the turkish divan of shahriar

chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...

15 صفحه اول

the role of russia in transmission of energy from central asia and caucuses to european union

پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...

15 صفحه اول

Energy dependence of transverse particle production from SPS to RHIC

Transverse momentum spectra up to 4.5GeV/c were measured around midrapidity in Pb+Pb collisions at √ sNN = 17.3GeV, for π±, p, p̄ and K±, by the NA49 experiment. The nuclear modification factors RAA, RAA/pA and RCP were extracted and are compared to RHIC results at √ sNN = 200GeV. The modification factor RAA shows a rapid increase with transverse momentum in the covered region. The modification ...

متن کامل

Particle Production from Sis to Sps Energies

The production and propagation of mesons (π, η, ρ, ω,Φ,K, K̄ , J/Ψ) in protonnucleus and nucleus-nucleus collisions from 1 200 GeV/u is studied within the covariant transport approach HSD, which explicitly allows to investigate selfenergy effects of the hadrons at finite baryon density. Whereas the experimental pion and K spectra can be described without introducing any selfenergies for the meso...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: European Physical Journal Plus

سال: 2022

ISSN: ['2190-5444']

DOI: https://doi.org/10.1140/epjp/s13360-022-03386-z