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The analysis of \({{B} ^\pm } \rightarrow {D} h^\pm \) , where \({D} \rightarrow {{K} ^+} {{K} ^-} {{\pi } ^+} {{\pi } ^-} \) and \({D} \rightarrow {{\pi } ^+} {{\pi } ^-} {{\pi } ^+} {{\pi } ^-} \) , is performed using proton-proton collision data collected by the LHCb detector in 2011 and 2012 during Run 1 at centre-of-mass energies \(\sqrt{s} = 7\) and \(8\,\text {TeV} \) , respectively, and in 2015–2018 during Run 2 at \(\sqrt{s} = 13\,\text {TeV} \) . This sample corresponds to \({p} {p} \) collisions with an integrated luminosity of \({9\,\mathrm{\text {f}^{-1}\text {b}}}\) . The selection procedure described in this section was developed for the analysis of the \({D} \rightarrow {{K} ^+} {{K} ^-} {{\pi } ^+} {{\pi } ^-} \) channel, and it was adapted for the \({D} \rightarrow {{\pi } ^+} {{\pi } ^-} {{\pi } ^+} {{\pi } ^-} \) channel at a later stage with minimal modifications.

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Selection of \({{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\pi } ^+} {{\pi } ^-} ]_{D} h^\pm \) and \([{{\pi } ^+} {{\pi } ^-} {{\pi } ^+} {{\pi } ^-} ]_{D} h^\pm \) Events

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  • 发表日期：

    2026年

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  • Martin Duy Tat

摘要

The analysis of \({{B} ^\pm } \rightarrow {D} h^\pm \) , where \({D} \rightarrow {{K} ^+} {{K} ^-} {{\pi } ^+} {{\pi } ^-} \) and \({D} \rightarrow {{\pi } ^+} {{\pi } ^-} {{\pi } ^+} {{\pi } ^-} \) , is performed using proton-proton collision data collected by the LHCb detector in 2011 and 2012 during Run 1 at centre-of-mass energies \(\sqrt{s} = 7\) and \(8\,\text {TeV} \) , respectively, and in 2015–2018 during Run 2 at \(\sqrt{s} = 13\,\text {TeV} \) . This sample corresponds to \({p} {p} \) collisions with an integrated luminosity of \({9\,\mathrm{\text {f}^{-1}\text {b}}}\) . The selection procedure described in this section was developed for the analysis of the \({D} \rightarrow {{K} ^+} {{K} ^-} {{\pi } ^+} {{\pi } ^-} \) channel, and it was adapted for the \({D} \rightarrow {{\pi } ^+} {{\pi } ^-} {{\pi } ^+} {{\pi } ^-} \) channel at a later stage with minimal modifications.