Improved analysis of the rare decay processes of Λb

Ren-hao Deng,Yong-lu Liu,Ming-qiu Huang

Table 2. Fitted parameters of form factors with the Ioffe-type current.

fi ${f}_{i}(0)$ a1 a2 f1 ${0.46537}_{-0.04299}^{+0.03594}$ $-{3.20315}_{-0.04234}^{+0.02987}$ ${2.74571}_{-0.04960}^{+0.06975}$ f2 ${0.09393}_{-0.00653}^{+0.00718}$ $-{2.15044}_{-0.03355}^{+0.03913}$ ${1.08982}_{-0.05477}^{+0.04535}$ g1 ${0.03792}_{-0.00537}^{+0.00505}$ $-{3.25685}_{-0.05960}^{+0.04779}$ ${2.82438}_{-0.07603}^{+0.09504}$ g2 ${0.09024}_{-0.00553}^{+0.00597}$ $-{2.14940}_{-0.03034}^{+0.02590}$ ${1.60053}_{-0.04547}^{+0.05366}$ F1 ${0.08218}_{-0.01694}^{+0.01991}$ $-{2.42394}_{-0.12842}^{+0.13342}$ ${1.55208}_{-0.16052}^{+0.15918}$ F2 $-{0.01655}_{-0.00084}^{+0.00080}$ $-{2.12343}_{-0.04028}^{+0.03808}$ ${1.62952}_{-0.06882}^{+0.07224}$ G1 $-{0.15013}_{-0.01047}^{+0.00885}$ $-{1.73489}_{-0.03015}^{+0.02952}$ ${0.52593}_{-0.05137}^{+0.04005}$ G2 ${0.00480}_{-0.00081}^{+0.00088}$ $-{2.94127}_{-0.04136}^{+0.04284}$ ${2.20917}_{-0.05687}^{+0.05524}$