Pair double heavy diquark production in high energy proton–proton collisions
On the basis of perturbative QCD and relativistic quark model we calculate relativistic and bound state corrections in the production processes of a pair of double heavy diquarks. Relativistic factors in the production amplitude connected with the relative motion of heavy quarks and the transformati...
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| Veröffentlicht in: | The European physical journal. C, Particles and fields Particles and fields, 2015-03, Vol.75 (3), p.1-16, Article 138 |
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| container_title | The European physical journal. C, Particles and fields |
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| creator | Martynenko, A. P. Trunin, A. M. |
| description | On the basis of perturbative QCD and relativistic quark model we calculate relativistic and bound state corrections in the production processes of a pair of double heavy diquarks. Relativistic factors in the production amplitude connected with the relative motion of heavy quarks and the transformation law of the bound state wave function to the reference frame of the moving
S
-wave diquark bound states are taken into account. For the gluon and quark propagators entering the amplitudes we use a truncated expansion in relative quark momenta up to the second order. Relativistic corrections to the quark–quark bound state wave functions in the rest frame are considered by means of a Breit-like potential. It turns out that the examined effects significantly decrease the nonrelativistic cross sections. |
| doi_str_mv | 10.1140/epjc/s10052-015-3358-0 |
| format | Article |
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S
-wave diquark bound states are taken into account. For the gluon and quark propagators entering the amplitudes we use a truncated expansion in relative quark momenta up to the second order. Relativistic corrections to the quark–quark bound state wave functions in the rest frame are considered by means of a Breit-like potential. It turns out that the examined effects significantly decrease the nonrelativistic cross sections.</description><identifier>ISSN: 1434-6044</identifier><identifier>EISSN: 1434-6052</identifier><identifier>DOI: 10.1140/epjc/s10052-015-3358-0</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Analysis ; Astronomy ; Astrophysics and Cosmology ; Collisions (Nuclear physics) ; Elementary Particles ; Hadrons ; Heavy Ions ; Laws, regulations and rules ; Mathematical analysis ; Measurement Science and Instrumentation ; Nuclear Energy ; Nuclear Physics ; Physics ; Physics and Astronomy ; Quantum chromodynamics ; Quantum Field Theories ; Quantum Field Theory ; Quarks ; Regular Article - Theoretical Physics ; Relativism ; String Theory ; Transformations (mathematics) ; Wave functions</subject><ispartof>The European physical journal. C, Particles and fields, 2015-03, Vol.75 (3), p.1-16, Article 138</ispartof><rights>The Author(s) 2015</rights><rights>COPYRIGHT 2015 Springer</rights><rights>The European Physical Journal C is a copyright of Springer, (2015). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c452t-482f17df7c8edaca40522595927d87de657cf8298f037664ddbda4468727ffb13</citedby><cites>FETCH-LOGICAL-c452t-482f17df7c8edaca40522595927d87de657cf8298f037664ddbda4468727ffb13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1140/epjc/s10052-015-3358-0$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://doi.org/10.1140/epjc/s10052-015-3358-0$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,860,27903,27904,41099,41467,42168,42536,51298,51555</link.rule.ids></links><search><creatorcontrib>Martynenko, A. P.</creatorcontrib><creatorcontrib>Trunin, A. M.</creatorcontrib><title>Pair double heavy diquark production in high energy proton–proton collisions</title><title>The European physical journal. C, Particles and fields</title><addtitle>Eur. Phys. J. C</addtitle><description>On the basis of perturbative QCD and relativistic quark model we calculate relativistic and bound state corrections in the production processes of a pair of double heavy diquarks. Relativistic factors in the production amplitude connected with the relative motion of heavy quarks and the transformation law of the bound state wave function to the reference frame of the moving
S
-wave diquark bound states are taken into account. For the gluon and quark propagators entering the amplitudes we use a truncated expansion in relative quark momenta up to the second order. Relativistic corrections to the quark–quark bound state wave functions in the rest frame are considered by means of a Breit-like potential. 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S
-wave diquark bound states are taken into account. For the gluon and quark propagators entering the amplitudes we use a truncated expansion in relative quark momenta up to the second order. Relativistic corrections to the quark–quark bound state wave functions in the rest frame are considered by means of a Breit-like potential. It turns out that the examined effects significantly decrease the nonrelativistic cross sections.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1140/epjc/s10052-015-3358-0</doi><tpages>16</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Analysis Astronomy Astrophysics and Cosmology Collisions (Nuclear physics) Elementary Particles Hadrons Heavy Ions Laws, regulations and rules Mathematical analysis Measurement Science and Instrumentation Nuclear Energy Nuclear Physics Physics Physics and Astronomy Quantum chromodynamics Quantum Field Theories Quantum Field Theory Quarks Regular Article - Theoretical Physics Relativism String Theory Transformations (mathematics) Wave functions |
| title | Pair double heavy diquark production in high energy proton–proton collisions |
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