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PH-EP Preprints

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2015-06-29
17:30
Measurement of the ratio of branching fractions $\mathcal{B}(\overline{B}^0 \to D^{*+}\tau^{-}\overline{\nu}_{\tau}))/\mathcal{B}(\overline{B}^0 \to D^{*+}\mu^{-}\overline{\nu}_{\mu})$ / LHCb Collaboration
The branching fraction ratio $\mathcal{R}(D^{*}) \equiv \mathcal{B}(\overline{B}^0 \to D^{*+}\tau^{-}\overline{\nu}_{\tau})/\mathcal{B}(\overline{B}^0 \to D^{*+}\mu^{-}\overline{\nu}_{\mu})$ is measured using a sample of proton-proton collision data corresponding to 3.0 fb$^{-1}$ of integrated luminosity recorded by the LHCb experiment during 2011 and 2012. [...]
LHCB-PAPER-2015-025 ; arXiv:1506.08614 ; CERN-PH-EP-2015-150.
- 2015. - 19 p.
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2015-06-15
10:38
Measurement of jet quenching with semi-inclusive hadron-jet distributions in central Pb-Pb collisions at ${\sqrt{\bf{s}_{\mathrm {\bf{NN}}}}}$ = 2.76 TeV / ALICE Collaboration
We report the measurement of a new observable of jet quenching in central Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$ TeV, based on the semi-inclusive rate of charged jets recoiling from a high transverse momentum (high-$p_{\rm T}$) charged hadron trigger. [...]
arXiv:1506.03984 ; CERN-PH-EP-2015-136.
- 2015. - 37 p.
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2015-06-03
07:56
First observation of top quark production in the forward region / LHCb collaboration
Top quark production in the forward region in proton-proton collisions is observed for the first time. [...]
arXiv:1506.00903 ; LHCB-PAPER-2015-022 ; CERN-PH-EP-2015-132.
- 2015. - 17 p.
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2015-06-01
07:58
Measurement of the exclusive $\Upsilon$ production cross-section in $pp$ collisions at $\sqrt{s}=$7 TeV and 8 TeV / LHCb collaboration
A study is presented of central exclusive production of $\Upsilon(nS)$ states, where the $\Upsilon(nS)$ resonances decay to the $\mu^+\mu^-$ final state, using $pp$ collision data recorded by the LHCb experiment. [...]
arXiv:1505.08139 ; LHCB-PAPER-2015-011 ; CERN-PH-EP-2015-123.
- 2015. - 21 p.
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2015-05-28
08:14
Study of $B^{-}\to DK^-\pi^+\pi^-$ and $B^-\to D\pi^-\pi^+\pi^-$ decays and determination of the CKM angle $\gamma$ / LHCb collaboration
We report a study of the suppressed $B^{-}\to DK^-\pi^+\pi^-$ and favored $B^-\to D\pi^-\pi^+\pi^-$ decays, where the neutral $D$ meson is detected through its decays to the $K^{\mp}\pi^{\pm}$ and $CP$-even $K^+K^-$ and $\pi^+\pi^-$ final states. [...]
arXiv:1505.07044 ; LHCB-PAPER-2015-020 ; CERN-PH-EP-2015-127.
- 2015. - 22 p.
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2015-05-28
08:14
Measurement of the forward $Z$ boson production cross-section in $pp$ collisions at $\sqrt{s}$ = 7 TeV / LHCb collaboration
A measurement of the production cross-section for $Z$ bosons that decay to muons is presented [...]
arXiv:1505.07024 ; LHCB-PAPER-2015-001 ; CERN-PH-EP-2015-102.
- 2015. - 41 p.
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2015-05-18
07:24
Study of $W$ boson production in association with beauty and charm / LHCb collaboration
The associated production of a $W$ boson with a jet originating from either a light parton or heavy-flavor quark is studied in the forward region using proton-proton collisions. [...]
arXiv:1505.04051 ; LHCB-PAPER-2015-021 ; CERN-PH-EP-2015-118.
- 2015. - 24 p.
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2015-05-14
08:13
Search for the $\Lambda_b^0 \rightarrow \Lambda \eta^\prime$ and $\Lambda_b^0\rightarrow \Lambda \eta$ decays with the LHCb detector / LHCb collaboration
A search is performed for the as yet unobserved baryonic $\Lambda_b^0 \rightarrow \Lambda \eta^\prime$ and $\Lambda_b^0 \rightarrow \Lambda \eta$ decays with 3$fb^{-1}$ of proton-proton collision data recorded by the LHCb experiment. [...]
arXiv:1505.03295 ; LHCB-PAPER-2015-019 ; CERN-PH-EP-2015-112.
- 2015. - 22 p.
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2015-05-09
07:30
Amplitude analysis of $B^0 \rightarrow \bar{D}^0 K^+ \pi^-$ decays / LHCb collaboration
The Dalitz plot distribution of $B^0 \rightarrow \bar{D}^0 K^+ \pi^-$ decays is studied using a data sample corresponding to $3.0\rm{fb}^{-1}$ of $pp$ collision data recorded by the LHCb experiment during 2011 and 2012. [...]
arXiv:1505.01505 ; LHCB-PAPER-2015-017 ; CERN-PH-EP-2015-107.
- 2015. - 30 p.
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2015-05-08
15:27
Search for the decay $B^0_s\to\overline{D}^0f_0(980)$ / LHCb Collaboration
A search for $B_s^0 \to \overline{D}^{0} f_{0}(980)$ decays is performed using $3.0\, {\rm fb}^{-1}$ of $pp$ collision data recorded by the LHCb experiment during 2011 and 2012. [...]
arXiv:1505.01654 ; LHCB-PAPER-2015-012 ; CERN-PH-EP-2015-086.
- 2015. - 20 p.
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