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Gluon double-spin asymmetry in the longitudinally polarized p + p collisions
A bstract We derive the first-ever small- x expression for the inclusive gluon production cross section in the central rapidity region of the longitudinally polarized proton-proton collisions. The cross section depends on the polarizations of both protons, therefore comprising the numerator of the l...
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| Published in: | The journal of high energy physics 2024-05, Vol.2024 (5), p.177-46, Article 177 |
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| container_end_page | 46 |
| container_issue | 5 |
| container_start_page | 177 |
| container_title | The journal of high energy physics |
| container_volume | 2024 |
| creator | Kovchegov, Yuri V. Li, Ming |
| description | A
bstract
We derive the first-ever small-
x
expression for the inclusive gluon production cross section in the central rapidity region of the longitudinally polarized proton-proton collisions. The cross section depends on the polarizations of both protons, therefore comprising the numerator of the longitudinal double-spin asymmetry
A
LL
for the produced gluons. The cross section is calculated in the shock wave formalism and is expressed in terms of the polarized dipole scattering amplitudes on the projectile and target protons. We show that the small-
x
evolution corrections are included into our cross section expression if one evolves these polarized dipole amplitudes using the double-logarithmic helicity evolution derived in [1–4]. Our calculation is performed for the gluon sector only, with the quark contribution left for future work. When that work is complete, the resulting formula will be applicable to longitudinally polarized proton-proton and proton-nucleus collisions, as well as to polarized semi-inclusive deep inelastic scattering (SIDIS) on a proton or a nucleus. Our results should allow one to extend the small-
x
helicity phenomenology analysis of [5] to the jet/hadron production data reported for the longitudinally polarized proton-proton collisions at RHIC and to polarized SIDIS measurements at central rapidities to be performed at the EIC. |
| doi_str_mv | 10.1007/JHEP05(2024)177 |
| format | article |
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bstract
We derive the first-ever small-
x
expression for the inclusive gluon production cross section in the central rapidity region of the longitudinally polarized proton-proton collisions. The cross section depends on the polarizations of both protons, therefore comprising the numerator of the longitudinal double-spin asymmetry
A
LL
for the produced gluons. The cross section is calculated in the shock wave formalism and is expressed in terms of the polarized dipole scattering amplitudes on the projectile and target protons. We show that the small-
x
evolution corrections are included into our cross section expression if one evolves these polarized dipole amplitudes using the double-logarithmic helicity evolution derived in [1–4]. Our calculation is performed for the gluon sector only, with the quark contribution left for future work. When that work is complete, the resulting formula will be applicable to longitudinally polarized proton-proton and proton-nucleus collisions, as well as to polarized semi-inclusive deep inelastic scattering (SIDIS) on a proton or a nucleus. Our results should allow one to extend the small-
x
helicity phenomenology analysis of [5] to the jet/hadron production data reported for the longitudinally polarized proton-proton collisions at RHIC and to polarized SIDIS measurements at central rapidities to be performed at the EIC.</description><identifier>ISSN: 1029-8479</identifier><identifier>EISSN: 1029-8479</identifier><identifier>DOI: 10.1007/JHEP05(2024)177</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Amplitudes ; Asymmetry ; Classical and Quantum Gravitation ; Collisions ; Cross-sections ; Deep Inelastic Scattering or Small-x Physics ; Dipoles ; Elementary Particles ; Evolution ; Factorization ; Gluons ; Helicity ; Inelastic scattering ; Parton Distributions ; Phenomenology ; Physics ; Physics and Astronomy ; Projectiles ; Protons ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Quarks ; Regular Article - Theoretical Physics ; Relativistic Heavy Ion Collider ; Relativity Theory ; Renormalization Group ; Resummation ; String Theory</subject><ispartof>The journal of high energy physics, 2024-05, Vol.2024 (5), p.177-46, Article 177</ispartof><rights>The Author(s) 2024</rights><rights>The Author(s) 2024. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2867-95ead5cc9bce2734efddb20a48b82972a3c5cd1c8a347a3320ea022e64b0ebbd3</cites><orcidid>0000-0001-9550-9691 ; 0000-0001-6990-9173</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/3056072036/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/3056072036?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,25732,27903,27904,36991,44569,74872</link.rule.ids></links><search><creatorcontrib>Kovchegov, Yuri V.</creatorcontrib><creatorcontrib>Li, Ming</creatorcontrib><title>Gluon double-spin asymmetry in the longitudinally polarized p + p collisions</title><title>The journal of high energy physics</title><addtitle>J. High Energ. Phys</addtitle><description>A
bstract
We derive the first-ever small-
x
expression for the inclusive gluon production cross section in the central rapidity region of the longitudinally polarized proton-proton collisions. The cross section depends on the polarizations of both protons, therefore comprising the numerator of the longitudinal double-spin asymmetry
A
LL
for the produced gluons. The cross section is calculated in the shock wave formalism and is expressed in terms of the polarized dipole scattering amplitudes on the projectile and target protons. We show that the small-
x
evolution corrections are included into our cross section expression if one evolves these polarized dipole amplitudes using the double-logarithmic helicity evolution derived in [1–4]. Our calculation is performed for the gluon sector only, with the quark contribution left for future work. When that work is complete, the resulting formula will be applicable to longitudinally polarized proton-proton and proton-nucleus collisions, as well as to polarized semi-inclusive deep inelastic scattering (SIDIS) on a proton or a nucleus. Our results should allow one to extend the small-
x
helicity phenomenology analysis of [5] to the jet/hadron production data reported for the longitudinally polarized proton-proton collisions at RHIC and to polarized SIDIS measurements at central rapidities to be performed at the EIC.</description><subject>Amplitudes</subject><subject>Asymmetry</subject><subject>Classical and Quantum Gravitation</subject><subject>Collisions</subject><subject>Cross-sections</subject><subject>Deep Inelastic Scattering or Small-x Physics</subject><subject>Dipoles</subject><subject>Elementary Particles</subject><subject>Evolution</subject><subject>Factorization</subject><subject>Gluons</subject><subject>Helicity</subject><subject>Inelastic scattering</subject><subject>Parton Distributions</subject><subject>Phenomenology</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Projectiles</subject><subject>Protons</subject><subject>Quantum Field Theories</subject><subject>Quantum Field Theory</subject><subject>Quantum Physics</subject><subject>Quarks</subject><subject>Regular Article - Theoretical Physics</subject><subject>Relativistic Heavy Ion Collider</subject><subject>Relativity Theory</subject><subject>Renormalization Group</subject><subject>Resummation</subject><subject>String Theory</subject><issn>1029-8479</issn><issn>1029-8479</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><sourceid>DOA</sourceid><recordid>eNp1UD1PwzAQjRBIlI-ZNRILCIVe7DiOR1SVUlQJBpgtf6W4cuNgJ0P59aQEAQvD6e6e3nune0lykcNtDkCnjw_zZyBXCFBxnVN6kExyQCyrCsoO_8zHyUmMG4Cc5AwmyWrhet-k2vfSmSy2tklF3G23pgu7dFi6N5M636xt12vbCOd2aeudCPbD6LRNb4ZS3jkbrW_iWXJUCxfN-Xc_TV7v5y-zh2z1tFjO7laZQlVJM0aM0EQpJpVBFBem1loiEEUlK8QoElgRpXNVCVxQgTECIwAhUxYSjJQanybL0Vd7seFtsFsRdtwLy78AH9ZchM4qZ3glJGYVKxElUBDEKlzLAZI1RYSA2ntdjl5t8O-9iR3f-D4Mn0aOgZRAEeByYE1Hlgo-xmDqn6s58H38fIyf7-PnQ_yDAkZFHJjN2oRf3_8kn_H2hug</recordid><startdate>20240501</startdate><enddate>20240501</enddate><creator>Kovchegov, Yuri V.</creator><creator>Li, Ming</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><general>SpringerOpen</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0001-9550-9691</orcidid><orcidid>https://orcid.org/0000-0001-6990-9173</orcidid></search><sort><creationdate>20240501</creationdate><title>Gluon double-spin asymmetry in the longitudinally polarized p + p collisions</title><author>Kovchegov, Yuri V. ; Li, Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2867-95ead5cc9bce2734efddb20a48b82972a3c5cd1c8a347a3320ea022e64b0ebbd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Amplitudes</topic><topic>Asymmetry</topic><topic>Classical and Quantum Gravitation</topic><topic>Collisions</topic><topic>Cross-sections</topic><topic>Deep Inelastic Scattering or Small-x Physics</topic><topic>Dipoles</topic><topic>Elementary Particles</topic><topic>Evolution</topic><topic>Factorization</topic><topic>Gluons</topic><topic>Helicity</topic><topic>Inelastic scattering</topic><topic>Parton Distributions</topic><topic>Phenomenology</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Projectiles</topic><topic>Protons</topic><topic>Quantum Field Theories</topic><topic>Quantum Field Theory</topic><topic>Quantum Physics</topic><topic>Quarks</topic><topic>Regular Article - Theoretical Physics</topic><topic>Relativistic Heavy Ion Collider</topic><topic>Relativity Theory</topic><topic>Renormalization Group</topic><topic>Resummation</topic><topic>String Theory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kovchegov, Yuri V.</creatorcontrib><creatorcontrib>Li, Ming</creatorcontrib><collection>SpringerOpen</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>The journal of high energy physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kovchegov, Yuri V.</au><au>Li, Ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gluon double-spin asymmetry in the longitudinally polarized p + p collisions</atitle><jtitle>The journal of high energy physics</jtitle><stitle>J. High Energ. Phys</stitle><date>2024-05-01</date><risdate>2024</risdate><volume>2024</volume><issue>5</issue><spage>177</spage><epage>46</epage><pages>177-46</pages><artnum>177</artnum><issn>1029-8479</issn><eissn>1029-8479</eissn><abstract>A
bstract
We derive the first-ever small-
x
expression for the inclusive gluon production cross section in the central rapidity region of the longitudinally polarized proton-proton collisions. The cross section depends on the polarizations of both protons, therefore comprising the numerator of the longitudinal double-spin asymmetry
A
LL
for the produced gluons. The cross section is calculated in the shock wave formalism and is expressed in terms of the polarized dipole scattering amplitudes on the projectile and target protons. We show that the small-
x
evolution corrections are included into our cross section expression if one evolves these polarized dipole amplitudes using the double-logarithmic helicity evolution derived in [1–4]. Our calculation is performed for the gluon sector only, with the quark contribution left for future work. When that work is complete, the resulting formula will be applicable to longitudinally polarized proton-proton and proton-nucleus collisions, as well as to polarized semi-inclusive deep inelastic scattering (SIDIS) on a proton or a nucleus. Our results should allow one to extend the small-
x
helicity phenomenology analysis of [5] to the jet/hadron production data reported for the longitudinally polarized proton-proton collisions at RHIC and to polarized SIDIS measurements at central rapidities to be performed at the EIC.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/JHEP05(2024)177</doi><tpages>46</tpages><orcidid>https://orcid.org/0000-0001-9550-9691</orcidid><orcidid>https://orcid.org/0000-0001-6990-9173</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | The journal of high energy physics, 2024-05, Vol.2024 (5), p.177-46, Article 177 |
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| subjects | Amplitudes Asymmetry Classical and Quantum Gravitation Collisions Cross-sections Deep Inelastic Scattering or Small-x Physics Dipoles Elementary Particles Evolution Factorization Gluons Helicity Inelastic scattering Parton Distributions Phenomenology Physics Physics and Astronomy Projectiles Protons Quantum Field Theories Quantum Field Theory Quantum Physics Quarks Regular Article - Theoretical Physics Relativistic Heavy Ion Collider Relativity Theory Renormalization Group Resummation String Theory |
| title | Gluon double-spin asymmetry in the longitudinally polarized p + p collisions |
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