Exclusive heavy quark-pair production in ultraperipheral collisions
(2019) In Physical Review D 99(3).- Abstract
In this article, we study the fully differential observables of the exclusive production of heavy (charm and bottom) quark pairs in high-energy ultraperipheral pA and AA collisions. In these processes, the nucleus A serves as an efficient source of the photon flux, while the QCD interaction of the produced heavy-quark pair with the target (p or A) proceeds via an exchange of gluons in a color singlet state, described by the gluon Wigner distribution. The corresponding predictions for differential cross sections were obtained by using the dipole S matrix in the McLerran-Venugopalan saturation model with impact parameter dependence for the nucleus target, and its recent generalization, for the proton target. Prospects of experimental... (More)
In this article, we study the fully differential observables of the exclusive production of heavy (charm and bottom) quark pairs in high-energy ultraperipheral pA and AA collisions. In these processes, the nucleus A serves as an efficient source of the photon flux, while the QCD interaction of the produced heavy-quark pair with the target (p or A) proceeds via an exchange of gluons in a color singlet state, described by the gluon Wigner distribution. The corresponding predictions for differential cross sections were obtained by using the dipole S matrix in the McLerran-Venugopalan saturation model with impact parameter dependence for the nucleus target, and its recent generalization, for the proton target. Prospects of experimental constraints on the gluon Wigner distribution in this class of reactions are discussed.
(Less)
- author
- Pelicer, Mateus Reinke ; De Oliveira, Emmanuel Gräve and Pasechnik, Roman LU
- organization
- publishing date
- 2019
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Physical Review D
- volume
- 99
- issue
- 3
- article number
- 034016
- publisher
- American Physical Society
- external identifiers
-
- scopus:85062632144
- ISSN
- 2470-0010
- DOI
- 10.1103/PhysRevD.99.034016
- language
- English
- LU publication?
- yes
- id
- cc0600ce-be90-42cd-b843-ec6986e64271
- date added to LUP
- 2019-03-20 10:41:21
- date last changed
- 2024-03-02 22:50:30
@article{cc0600ce-be90-42cd-b843-ec6986e64271, abstract = {{<p>In this article, we study the fully differential observables of the exclusive production of heavy (charm and bottom) quark pairs in high-energy ultraperipheral pA and AA collisions. In these processes, the nucleus A serves as an efficient source of the photon flux, while the QCD interaction of the produced heavy-quark pair with the target (p or A) proceeds via an exchange of gluons in a color singlet state, described by the gluon Wigner distribution. The corresponding predictions for differential cross sections were obtained by using the dipole S matrix in the McLerran-Venugopalan saturation model with impact parameter dependence for the nucleus target, and its recent generalization, for the proton target. Prospects of experimental constraints on the gluon Wigner distribution in this class of reactions are discussed.</p>}}, author = {{Pelicer, Mateus Reinke and De Oliveira, Emmanuel Gräve and Pasechnik, Roman}}, issn = {{2470-0010}}, language = {{eng}}, number = {{3}}, publisher = {{American Physical Society}}, series = {{Physical Review D}}, title = {{Exclusive heavy quark-pair production in ultraperipheral collisions}}, url = {{http://dx.doi.org/10.1103/PhysRevD.99.034016}}, doi = {{10.1103/PhysRevD.99.034016}}, volume = {{99}}, year = {{2019}}, }