Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-08-28
Phys.Rev.Lett.92:201803,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, 3 figures, Emphasis reorganized and many parts rewritten, and a few references added
Scientific paper
10.1103/PhysRevLett.92.201803
Two recent experimental developments, when combined, may have far reaching implications. $S_{\phi K_S} < 0$, if confirmed, would imply large $s$-$b$ mixing, a new CP phase, and right-handed dynamics. Large $\Delta m_{B_s}$ would be likely, making the $B_s$ program at hadron machines difficult. Reconstruction of $B$ vertex from $K_S$ at B factories, as shown by BaBar's first measurement of $S_{K_S\pi^0}$, makes $S_{K_S\pi^0\gamma}$ in $\bar B\to \bar K^{*0}\gamma$ accessible. This would be a boon for B factory upgrades. Supersymmetric Abelian flavor symmetry, independently motivated, can realize all of this with a light $\widetilde{sb}_1$ squark. B factory and collider studies of flavor, CP and SUSY may not be what we had expected.
Chua Chun-Khiang
Hou Wei-Shu
Nagashima Makiko
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