Revisiting scalar and pseudoscalar couplings with nucleons
A bstract Certain dark matter interactions with nuclei are mediated possibly by a scalar or pseudoscalar Higgs boson. The estimation of the corresponding cross sections requires a correct evaluation of the couplings between the scalar or pseudoscalar Higgs boson and the nucleons. Progress has been m...
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| creator | Cheng, Hai-Yang Chiang, Cheng-Wei |
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bstract
Certain dark matter interactions with nuclei are mediated possibly by a scalar or pseudoscalar Higgs boson. The estimation of the corresponding cross sections requires a correct evaluation of the couplings between the scalar or pseudoscalar Higgs boson and the nucleons. Progress has been made in two aspects relevant to this study in the past few years. First, recent lattice calculations show that the strange-quark sigma term σ
s
and the strange-quark content in the nucleon are much smaller than what are expected previously. Second, lattice and model analyses imply sizable SU(3) breaking effects in the determination on the axial-vector coupling constant
that in turn affect the extraction of the isosinglet coupling
and the strange quark spin component Δ
s
from polarized deep inelastic scattering experiments. Based on these new developments, we re-evaluate the relevant nucleon matrix elements and compute the scalar and pseudoscalar couplings of the proton and neutron. We also find that the strange quark contribution in both types of couplings is smaller than previously thought. |
| doi_str_mv | 10.1007/JHEP07(2012)009 |
| format | Article |
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bstract
Certain dark matter interactions with nuclei are mediated possibly by a scalar or pseudoscalar Higgs boson. The estimation of the corresponding cross sections requires a correct evaluation of the couplings between the scalar or pseudoscalar Higgs boson and the nucleons. Progress has been made in two aspects relevant to this study in the past few years. First, recent lattice calculations show that the strange-quark sigma term σ
s
and the strange-quark content in the nucleon are much smaller than what are expected previously. Second, lattice and model analyses imply sizable SU(3) breaking effects in the determination on the axial-vector coupling constant
that in turn affect the extraction of the isosinglet coupling
and the strange quark spin component Δ
s
from polarized deep inelastic scattering experiments. Based on these new developments, we re-evaluate the relevant nucleon matrix elements and compute the scalar and pseudoscalar couplings of the proton and neutron. We also find that the strange quark contribution in both types of couplings is smaller than previously thought.</description><identifier>ISSN: 1029-8479</identifier><identifier>EISSN: 1029-8479</identifier><identifier>DOI: 10.1007/JHEP07(2012)009</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Classical and Quantum Gravitation ; Couplings ; Dark matter ; Elementary Particles ; Higgs bosons ; High energy physics ; Inelastic scattering ; Nucleons ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Quarks ; Relativity Theory ; String Theory</subject><ispartof>The journal of high energy physics, 2012-07, Vol.2012 (7), Article 9</ispartof><rights>SISSA, Trieste, Italy 2012</rights><rights>SISSA, Trieste, Italy 2012.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c310t-44ac17df8c66cb42d69ea1b73215c30d6f211caa3310ddb30597cddf0eb92df93</citedby><cites>FETCH-LOGICAL-c310t-44ac17df8c66cb42d69ea1b73215c30d6f211caa3310ddb30597cddf0eb92df93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/JHEP07(2012)009$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/JHEP07(2012)009$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41101,41469,42170,42538,51300,51557</link.rule.ids><linktorsrc>$$Uhttps://doi.org/10.1007/JHEP07(2012)009$$EView_record_in_Springer_Nature$$FView_record_in_$$GSpringer_Nature</linktorsrc></links><search><creatorcontrib>Cheng, Hai-Yang</creatorcontrib><creatorcontrib>Chiang, Cheng-Wei</creatorcontrib><title>Revisiting scalar and pseudoscalar couplings with nucleons</title><title>The journal of high energy physics</title><addtitle>J. High Energ. Phys</addtitle><description>A
bstract
Certain dark matter interactions with nuclei are mediated possibly by a scalar or pseudoscalar Higgs boson. The estimation of the corresponding cross sections requires a correct evaluation of the couplings between the scalar or pseudoscalar Higgs boson and the nucleons. Progress has been made in two aspects relevant to this study in the past few years. First, recent lattice calculations show that the strange-quark sigma term σ
s
and the strange-quark content in the nucleon are much smaller than what are expected previously. Second, lattice and model analyses imply sizable SU(3) breaking effects in the determination on the axial-vector coupling constant
that in turn affect the extraction of the isosinglet coupling
and the strange quark spin component Δ
s
from polarized deep inelastic scattering experiments. Based on these new developments, we re-evaluate the relevant nucleon matrix elements and compute the scalar and pseudoscalar couplings of the proton and neutron. We also find that the strange quark contribution in both types of couplings is smaller than previously thought.</description><subject>Classical and Quantum Gravitation</subject><subject>Couplings</subject><subject>Dark matter</subject><subject>Elementary Particles</subject><subject>Higgs bosons</subject><subject>High energy physics</subject><subject>Inelastic scattering</subject><subject>Nucleons</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Field Theories</subject><subject>Quantum Field Theory</subject><subject>Quantum Physics</subject><subject>Quarks</subject><subject>Relativity Theory</subject><subject>String Theory</subject><issn>1029-8479</issn><issn>1029-8479</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kE1LxDAQhoMouK6evRa86KHuTJJ-xJssq6ssKKLnkCbp2qW2NWlX_Pdm6YJePM0wPO878BByjnCNANnscbl4huySAtIrAHFAJghUxDnPxOGf_ZiceL8BwAQFTMjNi91WvuqrZh15rWrlItWYqPN2MO3-oNuhqwPgo6-qf4-aQde2bfwpOSpV7e3Zfk7J293idb6MV0_3D_PbVawZQh9zrjRmpsx1muqCU5MKq7DIGMVEMzBpSRG1UizQxhQMEpFpY0qwhaCmFGxKLsbezrWfg_W93LSDa8JLSZnIGU85x0DNRkq71ntnS9m56kO5b4kgd4LkKEjuBMkgKCRgTPhANmvrfnv_i_wAvuhoGA</recordid><startdate>20120701</startdate><enddate>20120701</enddate><creator>Cheng, Hai-Yang</creator><creator>Chiang, Cheng-Wei</creator><general>Springer-Verlag</general><general>Springer Nature B.V</general><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></search><sort><creationdate>20120701</creationdate><title>Revisiting scalar and pseudoscalar couplings with nucleons</title><author>Cheng, Hai-Yang ; Chiang, Cheng-Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c310t-44ac17df8c66cb42d69ea1b73215c30d6f211caa3310ddb30597cddf0eb92df93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Classical and Quantum Gravitation</topic><topic>Couplings</topic><topic>Dark matter</topic><topic>Elementary Particles</topic><topic>Higgs bosons</topic><topic>High energy physics</topic><topic>Inelastic scattering</topic><topic>Nucleons</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Field Theories</topic><topic>Quantum Field Theory</topic><topic>Quantum Physics</topic><topic>Quarks</topic><topic>Relativity Theory</topic><topic>String Theory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, Hai-Yang</creatorcontrib><creatorcontrib>Chiang, Cheng-Wei</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</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><jtitle>The journal of high energy physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Cheng, Hai-Yang</au><au>Chiang, Cheng-Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Revisiting scalar and pseudoscalar couplings with nucleons</atitle><jtitle>The journal of high energy physics</jtitle><stitle>J. High Energ. Phys</stitle><date>2012-07-01</date><risdate>2012</risdate><volume>2012</volume><issue>7</issue><artnum>9</artnum><issn>1029-8479</issn><eissn>1029-8479</eissn><abstract>A
bstract
Certain dark matter interactions with nuclei are mediated possibly by a scalar or pseudoscalar Higgs boson. The estimation of the corresponding cross sections requires a correct evaluation of the couplings between the scalar or pseudoscalar Higgs boson and the nucleons. Progress has been made in two aspects relevant to this study in the past few years. First, recent lattice calculations show that the strange-quark sigma term σ
s
and the strange-quark content in the nucleon are much smaller than what are expected previously. Second, lattice and model analyses imply sizable SU(3) breaking effects in the determination on the axial-vector coupling constant
that in turn affect the extraction of the isosinglet coupling
and the strange quark spin component Δ
s
from polarized deep inelastic scattering experiments. Based on these new developments, we re-evaluate the relevant nucleon matrix elements and compute the scalar and pseudoscalar couplings of the proton and neutron. We also find that the strange quark contribution in both types of couplings is smaller than previously thought.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/JHEP07(2012)009</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Classical and Quantum Gravitation Couplings Dark matter Elementary Particles Higgs bosons High energy physics Inelastic scattering Nucleons Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Quantum Physics Quarks Relativity Theory String Theory |
| title | Revisiting scalar and pseudoscalar couplings with nucleons |
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