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Evidence for the strangeness-changing weak decay $\Xi_b^-\to\Lambda_b^0\pi^-$

Using a $pp$ collision data sample corresponding to an integrated luminosity of 3.0~fb$^{-1}$, collected by the LHCb detector, we present the first search for the strangeness-changing weak decay $\Xi_b^-\to\Lambda_b^0\pi^-$. No $b$ hadron decay of this type has been seen before. A signal for this de...

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Wormser, Guy, Wotton, Stephen, Wright, Simon, Wyllie, Kenneth, Xie, Yuehong, Xu, Zhirui, Yang, Zhenwei, Yu, Jiesheng, Yuan, Xuhao, Yushchenko, Oleg, Zangoli, Maria, Zavertyaev, Mikhail, Zhang, Liming, Zhang, Yanxi, Zhelezov, Alexey, Zhokhov, Anatoly, Zhong, Liang, Zucchelli, Stefano
Lenguaje:eng
Publicado: 2015
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevLett.115.241801
http://cds.cern.ch/record/2059561