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Measurement of excl...
Measurement of exclusive production of scalar chi(c0) meson in proton-(anti)proton collisions via chi(c0) -> pi(+)pi(-) decay
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- Lebiedowicz, P. (författare)
- Polish Academy of Learning
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- Pasechnik, R. (författare)
- Uppsala University,Lund University,Lunds universitet,Uppsala universitet,Högenergifysik,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
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- Szczurek, A. (författare)
- University of Rzeszów
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(creator_code:org_t)
- Elsevier BV, 2011
- 2011
- Engelska.
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Ingår i: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 701:4, s. 434-444
- Relaterad länk:
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http://dx.doi.org/10...
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Abstract
Ämnesord
Stäng
- We consider a measurement of exclusive production of scalar chi(c)(0(++)) meson in the proton-proton collisions at LHC and RHIC and in the proton-antiproton collisions at the Tevatron via chi(c0) -> pi(+)pi(-) decay. The corresponding amplitude for exclusive double-diffractive chi(c0) meson production was obtained within the k(t)-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 -> pp pi(+)pi(-) reaction constitutes an irreducible background to the exclusive chi(c0) meson production. We include absorption effects due to proton-proton interaction and pion-pion rescattering. We calculate several differential distributions for pp((p) over bar) -> pp((p) over bar)chi(c0) process including the absorptive corrections. The influence of kinematical cuts on the signal-to-background ratio is investigated. Corresponding experimental consequences are discussed.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- chi(c)(0(+)) -> pi(+)pi(-) decay
- Diffractive processes
- Two-pion continuum
- Physics
- Fysik
- Χ(0)→ππ decay
- Diffractive processes
- Two-pion continuum
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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