|
| | | | |
| | | |
| Stat |
Members: 3645
Articles: 2'504'585
Articles rated: 2609
24 April 2024 |
|
| | | | |
|
Article overview
| |
|
|
Strong and Weak Phases from Time-Dependent Measurements of $B o pi pi$ | | Michael Gronau
; Jonathan L. Rosner
; | | Date: |
18 Feb 2002 | | Journal: | Phys.Rev. D65 (2002) 093012 | | Subject: | hep-ph hep-ex | | Abstract: | Time-dependence in $B^0(t) o pi^+ pi^-$ and $ob(t) o pi^+ pi^-$ is utilized to obtain a maximal set of information on strong and weak phases. One can thereby check theoretical predictions of a small strong phase $delta$ between penguin and tree amplitudes. A discrete ambiguity between $delta simeq 0$ and $delta simeq pi$ may be resolved by comparing the observed charge-averaged branching ratio predicted for the tree amplitude alone, using measurements of $B o pi l
u$ and factorization, or by direct comparison of parameters of the Cabibbo-Kobayashi-Maskawa (CKM) matrix with those determined by other means. It is found that with 150 fb$^{-1}$ from BaBar and Belle, this ambiguity will be resolvable if no direct CP violation is found. In the presence of direct CP violation, the discrete ambiguity between $delta$ and $pi - delta$ becomes less important, vanishing altogether as $|delta| o pi/2$. The role of measurements involving the lifetime difference between neutral $B$ eigenstates is mentioned briefly. | | Source: | arXiv, hep-ph/0202170 | | Services: | Forum | Review | PDF | Favorites | |
|
|
No review found.
Did you like this article?
Note: answers to reviews or questions about the article must be posted in the forum section.
Authors are not allowed to review their own article. They can use the forum section.
browser Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
|
| |
|
|
|
|
News, job offers and information for researchers and scientists:
| |
REGISTER