B2OC: bbaryon to cbaryon neutron line

Spruce lines for the neutron channels.

• Lambda_b0 -> Lambda_c+ Lamnbda_c~- n0
• Lambda_b0 -> p+ p~- n0
• B+ -> Lambda_c+ Lamnbda_c~- K+

References:

• strippinglb2lclcnlc2pkpibeauty2charmline
• strippingb2lclcklooselc2pkpibeauty2charmline

Spruce:

LAZY_AND: SpruceB2OC_Lb0ToLcpLcmN0    #=100000  Sum=11          Eff=|(0.01100000 +- 0.00331644)%|
LAZY_AND: SpruceB2OC_Lb0ToPbarPN0     #=100000  Sum=31          Eff=|(0.03100000 +- 0.00556690)%|
LAZY_AND: SpruceB2OC_BuToLcpLcmK      #=100000  Sum=6           Eff=|(0.006000000 +- 0.00244942)%|