Improving the sensitivity of Higgs boson searches in the golden channel
A bstract Leptonic decays of the Higgs boson in the ZZ (*) channel yield what is known as the golden channel due to its clean signature and good total invariant mass resolution. In addition, the full kinematic distribution of the decay products can be reconstructed, which, nonetheless, is not taken...
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| Veröffentlicht in: | The journal of high energy physics 2011-11, Vol.2011 (11), Article 27 |
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| creator | Gainer, James S. Kumar, Kunal Low, Ian Vega-Morales, Roberto |
| description | A
bstract
Leptonic decays of the Higgs boson in the
ZZ
(*)
channel yield what is known as the golden channel due to its clean signature and good total invariant mass resolution. In addition, the full kinematic distribution of the decay products can be reconstructed, which, nonetheless, is not taken into account in traditional search strategy relying only on measurements of the total invariant mass. In this work we implement a type of multivariate analysis known as the matrix element method, which exploits differences in the full production and decay matrix elements between the Higgs boson and the dominant irreducible background from
. Analytic expressions of the differential distributions for both the signal and the background are also presented. We perform a study for the Large Hadron Collider at
for Higgs masses between 175 and 350 GeV. We find that, with an integrated luminosity of 2.5 fb
−1
or higher, improvements in the order of 10–20% could be obtained for both discovery significance and exclusion limits in the high mass region, where the differences in the angular correlations between signal and background are most pronounced. |
| doi_str_mv | 10.1007/JHEP11(2011)027 |
| format | Article |
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bstract
Leptonic decays of the Higgs boson in the
ZZ
(*)
channel yield what is known as the golden channel due to its clean signature and good total invariant mass resolution. In addition, the full kinematic distribution of the decay products can be reconstructed, which, nonetheless, is not taken into account in traditional search strategy relying only on measurements of the total invariant mass. In this work we implement a type of multivariate analysis known as the matrix element method, which exploits differences in the full production and decay matrix elements between the Higgs boson and the dominant irreducible background from
. Analytic expressions of the differential distributions for both the signal and the background are also presented. We perform a study for the Large Hadron Collider at
for Higgs masses between 175 and 350 GeV. We find that, with an integrated luminosity of 2.5 fb
−1
or higher, improvements in the order of 10–20% could be obtained for both discovery significance and exclusion limits in the high mass region, where the differences in the angular correlations between signal and background are most pronounced.</description><identifier>ISSN: 1029-8479</identifier><identifier>ISSN: 1126-6708</identifier><identifier>EISSN: 1029-8479</identifier><identifier>DOI: 10.1007/JHEP11(2011)027</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>ANGULAR CORRELATION ; Classical and Quantum Gravitation ; DAUGHTER PRODUCTS ; DECAY ; DISTRIBUTION ; Elementary Particles ; HADRONS ; HIGGS BOSONS ; High energy physics ; Invariants ; Large Hadron Collider ; LEPTONIC DECAY ; LUMINOSITY ; MASS RESOLUTION ; MATRIX ELEMENTS ; MULTIVARIATE ANALYSIS ; PHYSICS ; Physics and Astronomy ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; PRODUCTION ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Quarks ; Relativity Theory ; SENSITIVITY ; STANDARD MODEL ; String Theory</subject><ispartof>The journal of high energy physics, 2011-11, Vol.2011 (11), Article 27</ispartof><rights>SISSA, Trieste, Italy 2011</rights><rights>SISSA, Trieste, Italy 2011.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-cdb77390faf30910e998d49ad37b0693d16769962c13a1e9fddf5b186966f2883</citedby><cites>FETCH-LOGICAL-c337t-cdb77390faf30910e998d49ad37b0693d16769962c13a1e9fddf5b186966f2883</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/JHEP11(2011)027$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/JHEP11(2011)027$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,776,780,881,27901,27902,41096,41464,42165,42533,51294,51551</link.rule.ids><linktorsrc>$$Uhttps://doi.org/10.1007/JHEP11(2011)027$$EView_record_in_Springer_Nature$$FView_record_in_$$GSpringer_Nature</linktorsrc><backlink>$$Uhttps://www.osti.gov/biblio/1046337$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Gainer, James S.</creatorcontrib><creatorcontrib>Kumar, Kunal</creatorcontrib><creatorcontrib>Low, Ian</creatorcontrib><creatorcontrib>Vega-Morales, Roberto</creatorcontrib><creatorcontrib>Argonne National Lab. (ANL), Argonne, IL (United States)</creatorcontrib><title>Improving the sensitivity of Higgs boson searches in the golden channel</title><title>The journal of high energy physics</title><addtitle>J. High Energ. Phys</addtitle><description>A
bstract
Leptonic decays of the Higgs boson in the
ZZ
(*)
channel yield what is known as the golden channel due to its clean signature and good total invariant mass resolution. In addition, the full kinematic distribution of the decay products can be reconstructed, which, nonetheless, is not taken into account in traditional search strategy relying only on measurements of the total invariant mass. In this work we implement a type of multivariate analysis known as the matrix element method, which exploits differences in the full production and decay matrix elements between the Higgs boson and the dominant irreducible background from
. Analytic expressions of the differential distributions for both the signal and the background are also presented. We perform a study for the Large Hadron Collider at
for Higgs masses between 175 and 350 GeV. We find that, with an integrated luminosity of 2.5 fb
−1
or higher, improvements in the order of 10–20% could be obtained for both discovery significance and exclusion limits in the high mass region, where the differences in the angular correlations between signal and background are most pronounced.</description><subject>ANGULAR CORRELATION</subject><subject>Classical and Quantum Gravitation</subject><subject>DAUGHTER PRODUCTS</subject><subject>DECAY</subject><subject>DISTRIBUTION</subject><subject>Elementary Particles</subject><subject>HADRONS</subject><subject>HIGGS BOSONS</subject><subject>High energy physics</subject><subject>Invariants</subject><subject>Large Hadron Collider</subject><subject>LEPTONIC DECAY</subject><subject>LUMINOSITY</subject><subject>MASS RESOLUTION</subject><subject>MATRIX ELEMENTS</subject><subject>MULTIVARIATE ANALYSIS</subject><subject>PHYSICS</subject><subject>Physics and Astronomy</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>PRODUCTION</subject><subject>Quantum Field Theories</subject><subject>Quantum Field Theory</subject><subject>Quantum Physics</subject><subject>Quarks</subject><subject>Relativity Theory</subject><subject>SENSITIVITY</subject><subject>STANDARD MODEL</subject><subject>String Theory</subject><issn>1029-8479</issn><issn>1126-6708</issn><issn>1029-8479</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kEFPwyAYhonRxDk9e230ooc5vtJBORozt5kletAzaSm0LBtMYEv272XWRC-eIOF5X77vQega8ANgzMYv8-kbwF2OAe5xzk7QAHDOR2XB-Omf-zm6CGGFMUyA4wGaLTZb7_bGtlnsVBaUDSaavYmHzOlsbto2ZLULzqanystOhczYb7R160bZTHaVtWp9ic50tQ7q6uccoo_n6fvTfLR8nS2eHpcjSQiLI9nUjBGOdaUJ5oAV52VT8KohrMaUkwYoo5zTXAKpQHHdNHpSQ0k5pTovSzJEN32vC9GIIE1UspMujSCjAFzQ9E2Cbnsorfa5UyGKldt5m-YSeYGTCaAUEjXuKeldCF5psfVmU_lD6hFHpaJXKo5KRVKaErhPhETaVvnf3v8iX3-rdsk</recordid><startdate>20111101</startdate><enddate>20111101</enddate><creator>Gainer, James S.</creator><creator>Kumar, Kunal</creator><creator>Low, Ian</creator><creator>Vega-Morales, Roberto</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><scope>PRINS</scope><scope>OTOTI</scope></search><sort><creationdate>20111101</creationdate><title>Improving the sensitivity of Higgs boson searches in the golden channel</title><author>Gainer, James S. ; Kumar, Kunal ; Low, Ian ; Vega-Morales, Roberto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-cdb77390faf30910e998d49ad37b0693d16769962c13a1e9fddf5b186966f2883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>ANGULAR CORRELATION</topic><topic>Classical and Quantum Gravitation</topic><topic>DAUGHTER PRODUCTS</topic><topic>DECAY</topic><topic>DISTRIBUTION</topic><topic>Elementary Particles</topic><topic>HADRONS</topic><topic>HIGGS BOSONS</topic><topic>High energy physics</topic><topic>Invariants</topic><topic>Large Hadron Collider</topic><topic>LEPTONIC DECAY</topic><topic>LUMINOSITY</topic><topic>MASS RESOLUTION</topic><topic>MATRIX ELEMENTS</topic><topic>MULTIVARIATE ANALYSIS</topic><topic>PHYSICS</topic><topic>Physics and Astronomy</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>PRODUCTION</topic><topic>Quantum Field Theories</topic><topic>Quantum Field Theory</topic><topic>Quantum Physics</topic><topic>Quarks</topic><topic>Relativity Theory</topic><topic>SENSITIVITY</topic><topic>STANDARD MODEL</topic><topic>String Theory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gainer, James S.</creatorcontrib><creatorcontrib>Kumar, Kunal</creatorcontrib><creatorcontrib>Low, Ian</creatorcontrib><creatorcontrib>Vega-Morales, Roberto</creatorcontrib><creatorcontrib>Argonne National Lab. (ANL), Argonne, IL (United States)</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 (ProQuest)</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>OSTI.GOV</collection><jtitle>The journal of high energy physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gainer, James S.</au><au>Kumar, Kunal</au><au>Low, Ian</au><au>Vega-Morales, Roberto</au><aucorp>Argonne National Lab. (ANL), Argonne, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improving the sensitivity of Higgs boson searches in the golden channel</atitle><jtitle>The journal of high energy physics</jtitle><stitle>J. High Energ. Phys</stitle><date>2011-11-01</date><risdate>2011</risdate><volume>2011</volume><issue>11</issue><artnum>27</artnum><issn>1029-8479</issn><issn>1126-6708</issn><eissn>1029-8479</eissn><abstract>A
bstract
Leptonic decays of the Higgs boson in the
ZZ
(*)
channel yield what is known as the golden channel due to its clean signature and good total invariant mass resolution. In addition, the full kinematic distribution of the decay products can be reconstructed, which, nonetheless, is not taken into account in traditional search strategy relying only on measurements of the total invariant mass. In this work we implement a type of multivariate analysis known as the matrix element method, which exploits differences in the full production and decay matrix elements between the Higgs boson and the dominant irreducible background from
. Analytic expressions of the differential distributions for both the signal and the background are also presented. We perform a study for the Large Hadron Collider at
for Higgs masses between 175 and 350 GeV. We find that, with an integrated luminosity of 2.5 fb
−1
or higher, improvements in the order of 10–20% could be obtained for both discovery significance and exclusion limits in the high mass region, where the differences in the angular correlations between signal and background are most pronounced.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/JHEP11(2011)027</doi><oa>free_for_read</oa></addata></record> |
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| subjects | ANGULAR CORRELATION Classical and Quantum Gravitation DAUGHTER PRODUCTS DECAY DISTRIBUTION Elementary Particles HADRONS HIGGS BOSONS High energy physics Invariants Large Hadron Collider LEPTONIC DECAY LUMINOSITY MASS RESOLUTION MATRIX ELEMENTS MULTIVARIATE ANALYSIS PHYSICS Physics and Astronomy PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PRODUCTION Quantum Field Theories Quantum Field Theory Quantum Physics Quarks Relativity Theory SENSITIVITY STANDARD MODEL String Theory |
| title | Improving the sensitivity of Higgs boson searches in the golden channel |
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