Search for Λc+→ϕpπ0 and branching fraction measurement of Λc+→K−π+pπ0
We have searched for the Cabibbo-suppressed decay Λc+→ϕpπ0 in e+e− collisions using a data sample corresponding to an integrated luminosity of 915 fb−1. The data were collected by the Belle experiment at the KEKB e+e− asymmetric-energy collider running at or near the ϒ(4S) and ϒ(5S) resonances. No...
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| Veröffentlicht in: | Physical review. D 2017-09, Vol.96 (5) |
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| description | We have searched for the Cabibbo-suppressed decay Λc+→ϕpπ0 in e+e− collisions using a data sample corresponding to an integrated luminosity of 915 fb−1. The data were collected by the Belle experiment at the KEKB e+e− asymmetric-energy collider running at or near the ϒ(4S) and ϒ(5S) resonances. No significant signal is observed, and we set an upper limit on the branching fraction of B(Λc+→ϕpπ0) |
| doi_str_mv | 10.1103/PhysRevD.96.051102 |
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| fullrecord | <record><control><sourceid>proquest_osti_</sourceid><recordid>TN_cdi_osti_scitechconnect_1594353</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2123179139</sourcerecordid><originalsourceid>FETCH-LOGICAL-o210t-7e74be3f8447c771bef55be55891aca114ab9779a94a930278d062904d469dcf3</originalsourceid><addsrcrecordid>eNo9js1KAzEcxIMoWLQv4GnRY9maf5LdNEepn1jw-7xks4m7xSY1SQVvPYnngiffyb5Dn8SVqqcZht8Mg9Ae4D4ApofX9Wu41S_HfZH3cdZGZAN1COM4xZiIzX8PeBt1Qxjj1uZYcIAOurnT0qs6Mc4nX5-qt3pbLD-myzlOpK2S0kur6sY-JsZLFRtnk4mWYeb1RNuYOPPXuVy9L5bz3k9xF20Z-RR091d30MPpyf3wPB1dnV0Mj0apI4BjyjVnpaZmwBhXnEOpTZaVOssGAqSSAEyWgnMhBZOCYsIHFc6JwKxiuaiUoTtof73rQmyKoJqoVa2ctVrFAjLBaEZb6GANTb17nukQi7Gbedv-KggQClwAFfQbb_Nj9A</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2123179139</pqid></control><display><type>article</type><title>Search for Λc+→ϕpπ0 and branching fraction measurement of Λc+→K−π+pπ0</title><source>American Physical Society Journals</source><creator>Pal, B</creator><creatorcontrib>Pal, B ; Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States) ; Univ. of Hawaii, Honolulu, HI (United States)</creatorcontrib><description>We have searched for the Cabibbo-suppressed decay Λc+→ϕpπ0 in e+e− collisions using a data sample corresponding to an integrated luminosity of 915 fb−1. The data were collected by the Belle experiment at the KEKB e+e− asymmetric-energy collider running at or near the ϒ(4S) and ϒ(5S) resonances. No significant signal is observed, and we set an upper limit on the branching fraction of B(Λc+→ϕpπ0)<15.3×10−5 at 90% confidence level. The contribution of nonresonant Λc+→K+K−pπ0 decays is found to be consistent with zero, and the corresponding upper limit on its branching fraction is set to be B(Λc+→K+K−pπ0)NR<6.3×10−5 at 90% confidence level. We also search for an intermediate hidden-strangeness pentaquark decay Ps+→ϕp. We see no evidence for this intermediate decay and set an upper limit on the product branching fraction of B(Λc+→Ps+π0)×B(Ps+→ϕp)<8.3×10−5 at 90% confidence level. Finally, we measure the branching fraction for the Cabibbo-favored decay Λc+→K−π+pπ0; the result is B(Λc+→K−π+pπ0)=(4.42±0.05(stat)±0.12(syst)±0.16(norm))%, which is the most precise measurement to date.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.96.051102</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Confidence intervals ; Decay ; Luminosity ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; Strangeness</subject><ispartof>Physical review. D, 2017-09, Vol.96 (5)</ispartof><rights>Copyright American Physical Society Sep 1, 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/servlets/purl/1594353$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Pal, B</creatorcontrib><creatorcontrib>Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)</creatorcontrib><creatorcontrib>Univ. of Hawaii, Honolulu, HI (United States)</creatorcontrib><title>Search for Λc+→ϕpπ0 and branching fraction measurement of Λc+→K−π+pπ0</title><title>Physical review. D</title><description>We have searched for the Cabibbo-suppressed decay Λc+→ϕpπ0 in e+e− collisions using a data sample corresponding to an integrated luminosity of 915 fb−1. The data were collected by the Belle experiment at the KEKB e+e− asymmetric-energy collider running at or near the ϒ(4S) and ϒ(5S) resonances. No significant signal is observed, and we set an upper limit on the branching fraction of B(Λc+→ϕpπ0)<15.3×10−5 at 90% confidence level. The contribution of nonresonant Λc+→K+K−pπ0 decays is found to be consistent with zero, and the corresponding upper limit on its branching fraction is set to be B(Λc+→K+K−pπ0)NR<6.3×10−5 at 90% confidence level. We also search for an intermediate hidden-strangeness pentaquark decay Ps+→ϕp. We see no evidence for this intermediate decay and set an upper limit on the product branching fraction of B(Λc+→Ps+π0)×B(Ps+→ϕp)<8.3×10−5 at 90% confidence level. Finally, we measure the branching fraction for the Cabibbo-favored decay Λc+→K−π+pπ0; the result is B(Λc+→K−π+pπ0)=(4.42±0.05(stat)±0.12(syst)±0.16(norm))%, which is the most precise measurement to date.</description><subject>Confidence intervals</subject><subject>Decay</subject><subject>Luminosity</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>Strangeness</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNo9js1KAzEcxIMoWLQv4GnRY9maf5LdNEepn1jw-7xks4m7xSY1SQVvPYnngiffyb5Dn8SVqqcZht8Mg9Ae4D4ApofX9Wu41S_HfZH3cdZGZAN1COM4xZiIzX8PeBt1Qxjj1uZYcIAOurnT0qs6Mc4nX5-qt3pbLD-myzlOpK2S0kur6sY-JsZLFRtnk4mWYeb1RNuYOPPXuVy9L5bz3k9xF20Z-RR091d30MPpyf3wPB1dnV0Mj0apI4BjyjVnpaZmwBhXnEOpTZaVOssGAqSSAEyWgnMhBZOCYsIHFc6JwKxiuaiUoTtof73rQmyKoJqoVa2ctVrFAjLBaEZb6GANTb17nukQi7Gbedv-KggQClwAFfQbb_Nj9A</recordid><startdate>20170922</startdate><enddate>20170922</enddate><creator>Pal, B</creator><general>American Physical Society</general><general>American Physical Society (APS)</general><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OIOZB</scope><scope>OTOTI</scope></search><sort><creationdate>20170922</creationdate><title>Search for Λc+→ϕpπ0 and branching fraction measurement of Λc+→K−π+pπ0</title><author>Pal, B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-o210t-7e74be3f8447c771bef55be55891aca114ab9779a94a930278d062904d469dcf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Confidence intervals</topic><topic>Decay</topic><topic>Luminosity</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>Strangeness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pal, B</creatorcontrib><creatorcontrib>Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)</creatorcontrib><creatorcontrib>Univ. of Hawaii, Honolulu, HI (United States)</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Physical review. D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pal, B</au><aucorp>Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)</aucorp><aucorp>Univ. of Hawaii, Honolulu, HI (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Search for Λc+→ϕpπ0 and branching fraction measurement of Λc+→K−π+pπ0</atitle><jtitle>Physical review. D</jtitle><date>2017-09-22</date><risdate>2017</risdate><volume>96</volume><issue>5</issue><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>We have searched for the Cabibbo-suppressed decay Λc+→ϕpπ0 in e+e− collisions using a data sample corresponding to an integrated luminosity of 915 fb−1. The data were collected by the Belle experiment at the KEKB e+e− asymmetric-energy collider running at or near the ϒ(4S) and ϒ(5S) resonances. No significant signal is observed, and we set an upper limit on the branching fraction of B(Λc+→ϕpπ0)<15.3×10−5 at 90% confidence level. The contribution of nonresonant Λc+→K+K−pπ0 decays is found to be consistent with zero, and the corresponding upper limit on its branching fraction is set to be B(Λc+→K+K−pπ0)NR<6.3×10−5 at 90% confidence level. We also search for an intermediate hidden-strangeness pentaquark decay Ps+→ϕp. We see no evidence for this intermediate decay and set an upper limit on the product branching fraction of B(Λc+→Ps+π0)×B(Ps+→ϕp)<8.3×10−5 at 90% confidence level. Finally, we measure the branching fraction for the Cabibbo-favored decay Λc+→K−π+pπ0; the result is B(Λc+→K−π+pπ0)=(4.42±0.05(stat)±0.12(syst)±0.16(norm))%, which is the most precise measurement to date.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevD.96.051102</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Physical review. D, 2017-09, Vol.96 (5) |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Confidence intervals Decay Luminosity PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Strangeness |
| title | Search for Λc+→ϕpπ0 and branching fraction measurement of Λc+→K−π+pπ0 |
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