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WIP: Loosening lower B mass cut in B2XMuMu + Using VeryLooseKsLL container in S29r2p1

Renata Kopecna requested to merge B2XMuMu-2017-Renata into 2017-patches

Loosening the cut will improve the control over the tails in the K*->K+pi0 channel.

The StdVeryLooseKsLL container increases the number of KsLL candidates by roughly 50%

Rates stay well below 0.5% (see below)

 |                                              *Decision name*|*Rate,%*|*Accepted*| *Mult*|*ms/evt*|
 |_StrippingGlobal_                                            |  0.3480|       348|       |  12.580|
 |_StrippingSequenceStreamLeptonic_                            |  0.3480|       348|       |  12.271|
 |!StrippingB2XMuMu_Line                                       |  0.3480|       348|  6.356|  10.520|
 |!StrippingB2XMuMu_Line_TIMING                                |  0.3470|       347|  6.375|   0.167|
Edited by Ifan Williams

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