Measurement of exclusive production of scalar Χc0 meson in proton-(anti)proton collisions via πc0→π+π- decay
(2011) In Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics 701(4). p.434-444- Abstract
We consider a measurement of exclusive production of scalar Χc(0++) meson in the proton-proton collisions at LHC and RHIC and in the proton-antiproton collisions at the Tevatron via Χc0→π+π- decay. The corresponding amplitude for exclusive double-diffractive Χc0 meson production was obtained within the kt-factorization approach including virtualities of active gluons and the corresponding cross section is calculated with unintegrated gluon distribution functions (UGDFs) known from the literature. The four-body pp→ppπ+π- reaction constitutes an irreducible background to the exclusive Χc0 meson production. We include absorption effects due... (More)
We consider a measurement of exclusive production of scalar Χc(0++) meson in the proton-proton collisions at LHC and RHIC and in the proton-antiproton collisions at the Tevatron via Χc0→π+π- decay. The corresponding amplitude for exclusive double-diffractive Χc0 meson production was obtained within the kt-factorization approach including virtualities of active gluons and the corresponding cross section is calculated with unintegrated gluon distribution functions (UGDFs) known from the literature. The four-body pp→ppπ+π- reaction constitutes an irreducible background to the exclusive Χc0 meson production. We include absorption effects due to proton-proton interaction and pion-pion rescattering. We calculate several differential distributions for pp(p)→pp(p)Χc0 process including the absorptive corrections. The influence of kinematical cuts on the signal-to-background ratio is investigated. Corresponding experimental consequences are discussed.
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- author
- Lebiedowicz, P. ; Pasechnik, R. LU and Szczurek, A.
- organization
- publishing date
- 2011-07-18
- type
- Contribution to journal
- publication status
- published
- keywords
- Χ(0)→ππ decay, Diffractive processes, Two-pion continuum
- in
- Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
- volume
- 701
- issue
- 4
- pages
- 11 pages
- publisher
- Elsevier
- external identifiers
-
- scopus:79959876468
- ISSN
- 0370-2693
- DOI
- 10.1016/j.physletb.2011.06.017
- language
- English
- LU publication?
- yes
- id
- fef11fa2-760b-4a7f-9e61-661d7ee62010
- date added to LUP
- 2016-08-18 20:11:19
- date last changed
- 2024-01-04 11:05:12
@article{fef11fa2-760b-4a7f-9e61-661d7ee62010, abstract = {{<p>We consider a measurement of exclusive production of scalar Χc(0<sup>++</sup>) meson in the proton-proton collisions at LHC and RHIC and in the proton-antiproton collisions at the Tevatron via Χ<sub>c0</sub>→π<sup>+</sup>π<sup>-</sup> decay. The corresponding amplitude for exclusive double-diffractive Χ<sub>c0</sub> meson production was obtained within the k<sub>t</sub>-factorization approach including virtualities of active gluons and the corresponding cross section is calculated with unintegrated gluon distribution functions (UGDFs) known from the literature. The four-body pp→ppπ<sup>+</sup>π<sup>-</sup> reaction constitutes an irreducible background to the exclusive Χ<sub>c0</sub> meson production. We include absorption effects due to proton-proton interaction and pion-pion rescattering. We calculate several differential distributions for pp(p)→pp(p)Χ<sub>c0</sub> process including the absorptive corrections. The influence of kinematical cuts on the signal-to-background ratio is investigated. Corresponding experimental consequences are discussed.</p>}}, author = {{Lebiedowicz, P. and Pasechnik, R. and Szczurek, A.}}, issn = {{0370-2693}}, keywords = {{Χ(0)→ππ decay; Diffractive processes; Two-pion continuum}}, language = {{eng}}, month = {{07}}, number = {{4}}, pages = {{434--444}}, publisher = {{Elsevier}}, series = {{Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics}}, title = {{Measurement of exclusive production of scalar Χ<sub>c0</sub> meson in proton-(anti)proton collisions via π<sub>c0</sub>→π<sup>+</sup>π<sup>-</sup> decay}}, url = {{http://dx.doi.org/10.1016/j.physletb.2011.06.017}}, doi = {{10.1016/j.physletb.2011.06.017}}, volume = {{701}}, year = {{2011}}, }