Repository logo
Acerca de Depósito
  • Español
  • English
Log In
  1. Home
  2. Heavy quarkonium in the saturated environment of high-multiplicity pp collisions
 
  • Details

Heavy quarkonium in the saturated environment of high-multiplicity pp collisions

Journal
Physical Review D
Date Issued
2020-03-01
Author(s)
Kopeliovich, Boris  
Centro Científico Tecnológico de Valparaíso CCTVAL USM  
Pirner, H. J.
Potashnikova, I. K.
Reygers, K.
Schmidt, Ivan  
Departamento de Física  
DOI
10.1103/PhysRevD.101.054023
Abstract
High-multiplicity pp collisions exhibit features, traditionally associated with nuclear effects. Coherence
motivates to treat high-multiplicity pp, pA, and AA collisions on an equal footing. We rely on the
phenomenological parametrization for mean multiplicities of light hadrons and J=ψ, assuming their linear
dependence on Ncoll in pA collisions. The results of this approach underestimate the recently measured
production rate of J=ψ at very high hadronic multiplicities. The linear dependence of J=ψ multiplicity on
Ncoll is subject to predicted nonlinear corrections, related to mutual boosting of the saturation scales in
colliding dense parton clouds. A parameter-free calculation of the nonlinear corrections allows us to
explain data for pT-integrated yield of J=ψ at high hadronic multiplicities. Calculations are in a good
accord with data binned in several pT intervals as well. As was predicted, ϒ and J=ψ are equally suppressed
at forward rapidities in pA collisions. Consequently, their fractional multiplicities at forward rapidities in
pp collisions are equal as well, and their magnitude agrees with data.
Subjects

n/a

File(s)
Loading...
Thumbnail Image
Name

PhysRevD.101.054023_compressed.pdf

Size

144.86 KB

Format

Adobe PDF

Checksum

(MD5):9770e4b8d2fd50170f7ced55d6e6b181

UNIVERSIDAD

  • Nuestra Historia
  • Federico Santa María
  • Definiciones Estratégicas
  • Modelo Educativo
  • Organización
  • Información Estadística USM

CAMPUS Y SEDES

  • Información Campus y Sedes
  • Tour Virtual

EXTENSIÓN Y CULTURA

  • Dirección General de Comunicaciones
  • Dirección General de Vinculación con el Medio
  • Oficina de Asuntos Internacionales
  • Red de Ex-Alumnos
  • Noticias USM
  • Eventos USM
  • Radio USM
  • Cultura USM

SERVICIOS

  • Aula USM
  • Biblioteca USM
  • Portal de Autoservicio Institucional
  • Dirección de Tecnologías de la Información
  • Portal de Reportes UDAI
  • Sistema de Información de Gestión Académica
  • Sistema Integrado de Información Argos ERP
  • Sistema de Remuneraciones Históricas
  • Directorio USM
  • Trabaja con nosotros
Acreditación USM
usm.cl
Logo Acceso
Logo Consejo de Rectores
Logo G9
Logo AUR
Logo CRUV
Logo REUNA
Logo Universia

Built with DSpace-CRIS software - Extension maintained and optimized by 4Science

  • Cookie settings
  • Privacy policy
  • End User Agreement
  • Send Feedback