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| Description
| - Production of prompt J/psi meson pairs in proton-proton collisions at root s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb(-1). The two J/psi mesons are fully reconstructed via their decays into mu(+)mu(-) pairs. This observation provides for the first time access to the high-transverse-momentum region of J/psi pair production where model predictions are not yet established. The total and differential cross sections are measured in a phase space defined by the individual J/psi transverse momentum (p(T)(J/psi)) and rapidity (vertical bar y(J/psi)vertical bar): vertical bar y(J/psi)vertical bar < 1.2 for p(T)(J/psi) > 6.5 GeV/c; 1.2 < vertical bar y(J/psi)vertical bar < 1.43 for a pT threshold that scales linearly with vertical bar y(J/psi)vertical bar from 6.5 to 4.5 GeV/c; and 1.43 < vertical bar y(J/psi)vertical bar < 2.2 for p(T)(J/psi) > 4.5 GeV/c. The total cross section, assuming unpolarized prompt J/psi pair production is 1.49 +/- 0.07 (stat) +/- 0.13 (syst) nb. Different assumptions about the J/psi polarization imply modifications to the cross section ranging from -31% to +27%.
- Production of prompt J/psi meson pairs in proton-proton collisions at root s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb(-1). The two J/psi mesons are fully reconstructed via their decays into mu(+)mu(-) pairs. This observation provides for the first time access to the high-transverse-momentum region of J/psi pair production where model predictions are not yet established. The total and differential cross sections are measured in a phase space defined by the individual J/psi transverse momentum (p(T)(J/psi)) and rapidity (vertical bar y(J/psi)vertical bar): vertical bar y(J/psi)vertical bar < 1.2 for p(T)(J/psi) > 6.5 GeV/c; 1.2 < vertical bar y(J/psi)vertical bar < 1.43 for a pT threshold that scales linearly with vertical bar y(J/psi)vertical bar from 6.5 to 4.5 GeV/c; and 1.43 < vertical bar y(J/psi)vertical bar < 2.2 for p(T)(J/psi) > 4.5 GeV/c. The total cross section, assuming unpolarized prompt J/psi pair production is 1.49 +/- 0.07 (stat) +/- 0.13 (syst) nb. Different assumptions about the J/psi polarization imply modifications to the cross section ranging from -31% to +27%. (en)
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| Title
| - Measurement of prompt J/psi pair production in pp collisions at root s = 7 Tev
- Measurement of prompt J/psi pair production in pp collisions at root s = 7 Tev (en)
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| skos:prefLabel
| - Measurement of prompt J/psi pair production in pp collisions at root s = 7 Tev
- Measurement of prompt J/psi pair production in pp collisions at root s = 7 Tev (en)
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| skos:notation
| - RIV/00216208:11320/14:10284777!RIV15-MSM-11320___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216208:11320/14:10284777
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - root s = 7 TeV; J/psi pair production; pp collisions; Hadron-Hadron Scattering; lhc; cms (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of High Energy Physics [online]
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Adam, W.
- Finger, Michael
- Finger, Miroslav
- Khachatryan, V.
- Bodlák, Martin
- Bergauer, T.
- Dragicevic, M.
- Eroe, J.
- Fabjan, C.
- Friedl, M.
- Fruehwirth, R.
- Ghete, V. M.
- Hoermann, N.
- Sirunyan, A. M.
- Tumasyan, A.
- Hartl, C.
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| http://linked.open...ain/vavai/riv/wos
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
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| http://localhost/t...ganizacniJednotka
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