Search for the radiative Ξ−b → Ξ−γ decay
Abstract The first search for the rare radiative decay Ξ b −...
| প্রধান লেখক: | , , , , , , , , , , , , , , , |
|---|---|
| অন্যান্য লেখক: | |
| বিন্যাস: | প্রবন্ধ |
| ভাষা: | English |
| প্রকাশিত: |
Springer Berlin Heidelberg
2022
|
| অনলাইন ব্যবহার করুন: | https://hdl.handle.net/1721.1/139625 |
| সংক্ষিপ্ত: | Abstract
The first search for the rare radiative decay
Ξ
b
−
$$ {\Xi}_b^{-} $$
→ Ξ−γ is performed using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb−1. The
Ξ
b
−
$$ {\Xi}_b^{-} $$
→ Ξ−J/ψ channel is used as normalization. No
Ξ
b
−
$$ {\Xi}_b^{-} $$
→ Ξ−γ signal is found and an upper limit of
B
$$ \mathcal{B} $$
(
Ξ
b
−
$$ {\Xi}_b^{-} $$
→ Ξ−γ) < 1.3 × 10−4 at 95% confidence level is obtained. |
|---|