001     330338
005     20211110142839.0
020 _ _ |a 978-3-945931-07-3
020 _ _ |a 978-3-945931-07-3
024 7 _ |a 10.3204/DESY-PROC-2016-04/Lykasov
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024 7 _ |a 1435-8077
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037 _ _ |a PUBDB-2017-06837
041 _ _ |a English
088 1 _ |a DESY-PROC-2016-04
088 _ _ |a DESY-PROC-2016-04
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100 1 _ |a Lykasov, G. I.
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111 2 _ |a Quantum Field Theory at the Limits
|c Dubna
|d 2016-07-18 - 2016-07-30
|g HQ 2016
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|w Russia
245 _ _ |a The physics of Heavy Quark Distributions in Hadrons: Collider Tests
260 _ _ |a Hamburg
|c 2017
|b Verlag Deutsches Elektronen-Synchrotron
295 1 0 |a Lykasov, G. I. "The physics of Heavy Quark Distributions in Hadrons: Collider Tests" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, Dubna
300 _ _ |a 275-285
336 7 _ |a CONFERENCE_PAPER
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490 0 _ |a DESY-PROC
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520 _ _ |a We consider an observable very sensitive to the non-zero intrinsic charm (IC) contribution to the proton density. It is the ratio between the differential cross sections of the photon or $Z$-boson and $c$-jet production in the $pp$ collision, $\gamma(Z) + c$, and the $\gamma(Z)$ and the $b$-jet production. It is shown that this ratio can be approximately flat or increasing at large $\gamma(Z)$ transverse momenta $p_T$ and their pseudo-rapidities $1.5 < \eta < 2.4$ if the IC contribution is taken into account. On the contrary, in the absence of the IC this ratio decreases as $p_T$ grows. We also present the ratios of the cross sections integrated over $p_T$ as a function of the IC probability $w$. It is shown that these ratios are mostly independent on the theoretical uncertainties, and such predictions could therefore be much more promising for the search for the intrinsic charm signal at the LHC compared to the predictions for $p_T$-spectra, which significantly depend on these uncertainties.
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700 1 _ |a Lipatov, A. V.
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700 1 _ |a Stepanenko, Yu. Yu.
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787 0 _ |a Ali, Ahmed et. al.
|d Verlag Deutsches Elektronen-Synchrotron
|i isPartOf
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|r DESY-PROC-2016-04
|t Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks
856 4 _ |u https://bib-pubdb1.desy.de/record/330338/files/fulltext.pdf
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910 1 _ |a Dubna, JINR
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910 1 _ |a Dubna, JINR
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910 1 _ |a SINP, Moscow
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910 1 _ |a SINP, Moscow
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914 1 _ |y 2017
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915 _ _ |a Creative Commons Attribution CC BY 4.0
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