{"paper":{"title":"QCD Factors a1 and a2 Beyond Leading Logarithms Versus Factorization in Non-Leptonic Heavy Meson Decays","arxiv_id":"hep-ph/9409309","primary_cat":"hep-ph","submitted_at":"1994-09-14T13:04:04+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13-20260917 on the question bank abstract-p1-20260923, exactly as returned. 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dependence.","hedge":{"p":0.72,"label":"asserted"},"own_p":0.91,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.03,"role_probabilities":{"gap":0.0,"method":0.03,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.97,"interpretation":0.0}},{"i":2,"p":1.0,"id":"s2","own":true,"role":"result","text":"We point out that $a_1$ for B-decays depends very weakly on $\\Lms$, $\\mu$ and the choice of the renormalization scheme.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.88,"main_claim_p":0.21,"quantitative":true,"quantitative_p":0.6,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":3,"p":1.0,"id":"s3","own":true,"role":"result","text":"For $\\Lms^{(5)}=225\\pm85~MeV$ and $4~GeV\\leq\\mu\\leq 8~GeV$ we find $a_1=1.01\\pm0.02$ in accordance with phenomenology.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.97,"main_claim_p":0.17,"quantitative":true,"quantitative_p":0.99,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":4,"p":1.0,"id":"s4","own":true,"role":"result","text":"The $\\Lms$, $\\mu$ and scheme dependences of $a_2$ are on the other hand sizable.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.86,"main_claim_p":0.14,"quantitative":true,"quantitative_p":0.72,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":5,"p":0.99,"id":"s5","own":true,"role":"result","text":"Interestingly, for the NDR scheme we find $a_2^{NDR}=0.20\\pm0.05$, in the ball park of recent phenomenological results and substantially larger than leading order estimates.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.96,"main_claim_p":0.19,"quantitative":true,"quantitative_p":0.99,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.99,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.01}},{"i":6,"p":1.0,"id":"s6","own":true,"role":"result","text":"However $a_2^{HV}=0.16\\pm0.05$ and $a_2^{DRED}=0.15\\pm0.05$.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.95,"main_claim_p":0.09,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":7,"p":0.99,"id":"s7","own":true,"role":"interpretation","text":"Implications of these findings for the tests of factorization in B-decays and D-decays are critically 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