Measurement of the total active 8B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity.
The Sudbury Neutrino Observatory has precisely determined the total active (nu(x)) 8B solar neutrino flux without assumptions about the energy dependence of the nu(e) survival probability. The measurements were made with dissolved NaCl in heavy water to enhance the sensitivity and signature for neut...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Format: | Journal article |
| Language: | English |
| Published: |
2004
|
| _version_ | 1797052394745364480 |
|---|---|
| author | Ahmed, SN Anthony, A Beier, E Bellerive, A Biller, S Boger, J Boulay, MG Bowler, MG Bowles, T Brice, S Bullard, T Chan, Y Chen, M Chen, X Cleveland, B Cox, G Dai, X Dalnoki-Veress, F Doe, P Dosanjh, R Doucas, G Dragowsky, MR Duba, C Duncan, F Dunford, M |
| author_facet | Ahmed, SN Anthony, A Beier, E Bellerive, A Biller, S Boger, J Boulay, MG Bowler, MG Bowles, T Brice, S Bullard, T Chan, Y Chen, M Chen, X Cleveland, B Cox, G Dai, X Dalnoki-Veress, F Doe, P Dosanjh, R Doucas, G Dragowsky, MR Duba, C Duncan, F Dunford, M |
| author_sort | Ahmed, SN |
| collection | OXFORD |
| description | The Sudbury Neutrino Observatory has precisely determined the total active (nu(x)) 8B solar neutrino flux without assumptions about the energy dependence of the nu(e) survival probability. The measurements were made with dissolved NaCl in heavy water to enhance the sensitivity and signature for neutral-current interactions. The flux is found to be 5.21 +/- 0.27(stat)+/-0.38(syst) x 10(6) cm(-2) s(-1), in agreement with previous measurements and standard solar models. A global analysis of these and other solar and reactor neutrino results yields Deltam(2)=7.1(+1.2)(-0.6) x 10(-5) eV(2) and theta=32.5(+2.4)(-2.3) degrees. Maximal mixing is rejected at the equivalent of 5.4 standard deviations. |
| first_indexed | 2024-03-06T18:31:00Z |
| format | Journal article |
| id | oxford-uuid:09a80127-aa1f-4263-9501-412bc7a30e0b |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T18:31:00Z |
| publishDate | 2004 |
| record_format | dspace |
| spelling | oxford-uuid:09a80127-aa1f-4263-9501-412bc7a30e0b2022-03-26T09:19:34ZMeasurement of the total active 8B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:09a80127-aa1f-4263-9501-412bc7a30e0bEnglishSymplectic Elements at Oxford2004Ahmed, SNAnthony, ABeier, EBellerive, ABiller, SBoger, JBoulay, MGBowler, MGBowles, TBrice, SBullard, TChan, YChen, MChen, XCleveland, BCox, GDai, XDalnoki-Veress, FDoe, PDosanjh, RDoucas, GDragowsky, MRDuba, CDuncan, FDunford, MThe Sudbury Neutrino Observatory has precisely determined the total active (nu(x)) 8B solar neutrino flux without assumptions about the energy dependence of the nu(e) survival probability. The measurements were made with dissolved NaCl in heavy water to enhance the sensitivity and signature for neutral-current interactions. The flux is found to be 5.21 +/- 0.27(stat)+/-0.38(syst) x 10(6) cm(-2) s(-1), in agreement with previous measurements and standard solar models. A global analysis of these and other solar and reactor neutrino results yields Deltam(2)=7.1(+1.2)(-0.6) x 10(-5) eV(2) and theta=32.5(+2.4)(-2.3) degrees. Maximal mixing is rejected at the equivalent of 5.4 standard deviations. |
| spellingShingle | Ahmed, SN Anthony, A Beier, E Bellerive, A Biller, S Boger, J Boulay, MG Bowler, MG Bowles, T Brice, S Bullard, T Chan, Y Chen, M Chen, X Cleveland, B Cox, G Dai, X Dalnoki-Veress, F Doe, P Dosanjh, R Doucas, G Dragowsky, MR Duba, C Duncan, F Dunford, M Measurement of the total active 8B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity. |
| title | Measurement of the total active 8B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity. |
| title_full | Measurement of the total active 8B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity. |
| title_fullStr | Measurement of the total active 8B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity. |
| title_full_unstemmed | Measurement of the total active 8B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity. |
| title_short | Measurement of the total active 8B solar neutrino flux at the Sudbury Neutrino Observatory with enhanced neutral current sensitivity. |
| title_sort | measurement of the total active 8b solar neutrino flux at the sudbury neutrino observatory with enhanced neutral current sensitivity |
| work_keys_str_mv | AT ahmedsn measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT anthonya measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT beiere measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT bellerivea measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT billers measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT bogerj measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT boulaymg measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT bowlermg measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT bowlest measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT brices measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT bullardt measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT chany measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT chenm measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT chenx measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT clevelandb measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT coxg measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT daix measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT dalnokiveressf measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT doep measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT dosanjhr measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT doucasg measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT dragowskymr measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT dubac measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT duncanf measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity AT dunfordm measurementofthetotalactive8bsolarneutrinofluxatthesudburyneutrinoobservatorywithenhancedneutralcurrentsensitivity |