Measurement of the ratio of branching fractions B(D0 ---> K+ pi-) / B(D0 ---> K- pi+) using the CDF II Detector
The authors present a measurement of R{sub B}, the ratio of the branching fraction for the rare decay D{sup 0} {yields} K{sup +}{pi}{sup -} to that for the Cabibbo-favored decay D{sup 0} {yields} K{sup -}{pi}{sup +}. Charge conjugate decays are implicitly included. A signal of 2005 {+-} 104 events f...
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| Veröffentlicht in: | Physical review. D, Particles and fields Particles and fields, 2006-05, Vol.74 |
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| creator | Abulencia, A Acosta, D Adelman, Jahred A Affolder, T Akimoto, T Albrow, M G Ambrose, D Amerio, S Amidei, D Anastassov, A Anikeev, K /Taiwan, Inst.Phys. /Argonne /Barcelona, Autonoma U. /Baylor U. /INFN, Bologna /Brandeis U. /UC, Davis /UCLA /UC, San Diego /UC, Santa Barbara /Cantabria Inst. of Phys |
| description | The authors present a measurement of R{sub B}, the ratio of the branching fraction for the rare decay D{sup 0} {yields} K{sup +}{pi}{sup -} to that for the Cabibbo-favored decay D{sup 0} {yields} K{sup -}{pi}{sup +}. Charge conjugate decays are implicitly included. A signal of 2005 {+-} 104 events for the decay D{sup 0} {yields} K{sup +}{pi}{sup -} is obtained using the CDF II detector at the Fermilab Tevatron collider. The data set corresponds to an integrated luminosity of 0.35 fb{sup -1} produced in {bar p}p collisions at {radical}s = 1.96 TeV. Assuming no mixing, they find R{sub B} = [4.05 {+-} 0.21(stat) {+-} 0.11(syst)] x 10{sup -3}. This measurement is consistent with the world average, and comparable in accuracy with the best measurements from other experiments. |
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(FNAL), Batavia, IL (United States)</creatorcontrib><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Physical review. D, Particles and fields</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abulencia, A</au><au>Acosta, D</au><au>Adelman, Jahred A</au><au>Affolder, T</au><au>Akimoto, T</au><au>Albrow, M G</au><au>Ambrose, D</au><au>Amerio, S</au><au>Amidei, D</au><au>Anastassov, A</au><au>Anikeev, K</au><au>/Taiwan, Inst.Phys. /Argonne /Barcelona, Autonoma U. /Baylor U. /INFN, Bologna /Brandeis U. /UC, Davis /UCLA /UC, San Diego /UC, Santa Barbara /Cantabria Inst. of Phys</au><aucorp>Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measurement of the ratio of branching fractions B(D0 ---> K+ pi-) / B(D0 ---> K- pi+) using the CDF II Detector</atitle><jtitle>Physical review. D, Particles and fields</jtitle><date>2006-05-01</date><risdate>2006</risdate><volume>74</volume><issn>0556-2821</issn><eissn>1089-4918</eissn><abstract>The authors present a measurement of R{sub B}, the ratio of the branching fraction for the rare decay D{sup 0} {yields} K{sup +}{pi}{sup -} to that for the Cabibbo-favored decay D{sup 0} {yields} K{sup -}{pi}{sup +}. Charge conjugate decays are implicitly included. A signal of 2005 {+-} 104 events for the decay D{sup 0} {yields} K{sup +}{pi}{sup -} is obtained using the CDF II detector at the Fermilab Tevatron collider. The data set corresponds to an integrated luminosity of 0.35 fb{sup -1} produced in {bar p}p collisions at {radical}s = 1.96 TeV. Assuming no mixing, they find R{sub B} = [4.05 {+-} 0.21(stat) {+-} 0.11(syst)] x 10{sup -3}. This measurement is consistent with the world average, and comparable in accuracy with the best measurements from other experiments.</abstract><cop>United States</cop><oa>free_for_read</oa></addata></record> |
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| source | American Physical Society Journals |
| subjects | ACCURACY DECAY Experiment-HEP FERMILAB COLLIDER DETECTOR FERMILAB TEVATRON LUMINOSITY PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
| title | Measurement of the ratio of branching fractions B(D0 ---> K+ pi-) / B(D0 ---> K- pi+) using the CDF II Detector |
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