# EP Preprints

Последние добавления:
2022-06-17
11:15
 Direct $CP$ violation in charmless three-body decays of $B^{\pm}$ mesons Measurements of $CP$ asymmetries in charmless three-body decays of $B^\pm$ mesons are reported using proton-proton collision data collected by the LHCb detector, corresponding to an integrated luminosity of 5.9$\,$fb$^{-1}$. [...] arXiv:2206.07622 ; LHCb-PAPER-2021-049 ; CERN-EP-2022-100 ; LHCB-PAPER-2021-049. - 2022. Fulltext - Related data file(s) - Fulltext

2022-06-17
10:17
 Study of coherent charmonium production in ultra-peripheral lead-lead collisions The cross-sections of coherent $J/\psi$ and $\psi(\mathrm{2S})$ production in ultra-peripheral PbPb collisions at a nucleon-nucleon centre-of-mass energy of $5.02\,\mathrm{TeV}$ are measured using a data sample corresponding to an integrated luminosity of $228\pm10\,\mathrm{\mu b}^{-1}$, collected by the LHCb experiment in 2018. [...] arXiv:2206.08221 ; LHCb-PAPER-2022-012 ; CERN-EP-2022-108 ; LHCB-PAPER-2022-012. - 2022. Fulltext - Cover note - Supplementary information

2022-06-15
11:04
 Search for the rare hadronic decay $B^0_s \to p \bar p$ A search for the rare hadronic decay $B_s^0\to p \bar{p}$ is performed using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 6 fb$^{-1}$. [...] arXiv:2206.06673 ; LHCb-PAPER-2022-004 ; CERN-EP-2022-102 ; LHCB-PAPER-2022-004. - 2022. Fulltext - Related data file(s) - Fulltext

2022-06-07
17:28
 Search for direct $CP$ violation in charged charmless $B \to PV$ decays Measurements of $CP$ asymmetry in charmless $B\to PV$ decays are presented, where $P$ and $V$ denote a pseudoscalar and a vector meson, respectively. [...] arXiv:2206.02038 ; LHCb-PAPER-2021-050 ; CERN-EP-2022-101 ; LHCB-PAPER-2021-050. - 2022. Full text - Related data file(s) - Fulltext

2022-05-23
08:57
 Measurement of the $Z$ boson production cross-section in proton-lead collisions at $\sqrt{s_\mathrm{NN}}=8.16\,\mathrm{TeV}$ This article presents the first measurement of the differential $Z$-boson production cross-section in the forward region using proton-lead collisions with the LHCb detector. [...] arXiv:2205.10213 ; LHCb-PAPER-2022-009 ; CERN-EP-2022-089. - 2022. - 32 p. Fulltext - Related data file(s) - Supplementary information - Fulltext

2022-05-19
10:28
 Measurement of antiproton production from antihyperon decays in pHe collisions at $\sqrt{s_{NN}}=110$ GeV / Collaboration, Lhcb The interpretation of cosmic antiproton flux measurements from space-borne experiments is currently limited by the knowledge of the antiproton production cross-section in collisions between primary cosmic rays and the interstellar medium. [...] arXiv:2205.09009 ; LHCb-PAPER-2022-006 ; CERN-EP-2022-091 ; LHCB-PAPER-2022-006. - 2022. - 26 p. Fulltext - Related data file(s)

2022-05-19
09:25
 Search for $CP$ violation using $\hat{T}$-odd correlations in $B^{0} \to p \bar p K^{+} \pi^{-}$ decays A search for $CP$ and $P$ violation in charmless four-body $B^{0} \to p \bar p K^{+} \pi^{-}$ decays is performed using triple-product asymmetry observables. [...] arXiv:2205.08973 ; LHCb-PAPER-2022-003 ; CERN-EP-2022-083 ; LHCB-PAPER-2022-003. - 2022. Fulltext - Cover note - Fulltext

2022-05-12
16:38
 Measurement of the prompt $D^0$ nuclear modification factor in $p$Pb collisions at $\sqrt{s_\mathrm{NN}} = 8.16$ TeV The production of prompt $D^0$ mesons in proton-lead collisions in the forward and backward configurations at a center-of-mass energy per nucleon pair of $\sqrt{s_\mathrm{NN}} = 8.16~\mathrm{TeV}$ is measured by the LHCb experiment. [...] arXiv:2205.03936 ; LHCb-PAPER-2022-007 ; CERN-EP-2022-082. - 2022. - 22 p. Fulltext - Related data file(s) - Fulltext - supplementary information

2022-04-28
12:25
 Evidence for modification of $b$ quark hadronization in high-multiplicity $pp$ collisions at $\sqrt{s} = 13$ TeV The production rate of $B^{0}_{s}$ mesons relative to $B^{0}$ mesons is measured by the LHCb experiment in $pp$ collisions at a center-of-mass energy $\sqrt{s} = 13$ TeV over the forward rapidity interval $2 < y < 4.5$ as a function of the charged particle multiplicity measured in the event. [...] arXiv:2204.13042 ; LHCb-PAPER-2022-001 ; CERN-EP-2022-062 ; LHCB-PAPER-2022-001. - 2022. Fulltext - Related data file(s) - Supplementary information - Fulltext

2022-04-28
11:11
 Measurement of $CP$ asymmetries in $D^+_{(s)}\rightarrow \eta \pi^+$ and $D^+_{(s)}\rightarrow \eta^{\prime} \pi^+$ decays Searches for $CP$ violation in the decays $D^+_{(s)}\rightarrow \eta \pi^+$ and $D^+_{(s)}\rightarrow \eta^{\prime} \pi^+$ are performed using $pp$ collision data corresponding to 6 fb$^{-1}$ of integrated luminosity collected by the LHCb experiment. [...] arXiv:2204.12228 ; CERN-EP-2022-035 ; LHCb-PAPER-2021-051. - 2022. - 16 p. Fulltext - Related data file(s) - Fulltext