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+ | ====== TTP97-38 Probing the helicity structure of $b\to s\gamma$ in $\Lambda_b \to \Lambda \gamma$ ====== | ||
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+ | < | ||
+ | both short and long distance contributions. We estimate the long distance | ||
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+ | from $\Lambda_c \to \Lambda \ell \bar{\nu}_\ell$ using heavy quark symmetry | ||
+ | and a pole model. The short distance piece opens a window to new physics | ||
+ | and we discuss the sensitivity of $\Lambda_b \to \Lambda \gamma$ | ||
+ | to such effects. | ||
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+ | </ | ||
+ | |**Thomas Mannel and Stefan Recksiegel** | ||
+ | |** Acta Phys. Polon. B28 2489-2493 1997 ** | | ||
+ | | {{preprints: | ||
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