EP Preprints

Pretražite 2,768 zapise za:
		Savjeti za pretraživanje Napredno pretraživanje
Add to Search +

Najnovije dodano:

2025-05-20
10:17

First measurement of $\,b$ -jet mass with and without grooming
The LHCb collaboration presents a novel suite of heavy-flavour jet substructure measurements at forward rapidity in proton-proton collisions at a centre-of-mass energy of

$\sqrt{s} = 13$ TeV. [...]
CERN-EP-2025-097 ; arXiv:2505.11955 ; LHCB-PAPER-2025-009. - 2025
Fulltext - Related data file(s) - Supplementary information

Detaljnije

2025-05-15
11:08

Rapidity and multiplicity dependence of charged-particle flow in $p$ Pb collisions at $\sqrt{s_{\rm NN}}=8.16$ Tev / LHCb Collaboration
The elliptic and triangular flow of charged particles are measured using two-particle angular correlations in

$p$ Pb collisions in the pseudorapidity range 2.0

$< |\eta| <$ 4.8. [...]
CERN-EP-2025-090 ; LHCb-PAPER-2025-003 ; arXiv:2505.09273. - 2025
Fulltext - Related data file(s) - Fulltext - Full text

Detaljnije

2025-05-07
16:32

Measurement of the branching fraction ratio $R_K$ at large dilepton invariant mass / LHCb Collaboration
A test of lepton universality between muons and electrons is performed using

$B^+ \rightarrow K^+\ell^+\ell^-$ decays (where

$\ell = e$ ,

$\mu$ ), in the dilepton invariant-mass-squared region above 14.3 GeV

$^2/c^4$ . [...]
arXiv:2505.03483 ; LHCb-PAPER-2024-056 ; CERN-EP-2025-069. - 2025 - 37.
Fulltext - Related data file(s) - Fulltext - Full text

Detaljnije

2025-04-30
10:10

Observation of the decay $B_s^0 \to K_S^0 p \bar{p}$ and measurement of the $B_{(s)}^0 \to K_S^0 p\bar{p}$ branching fraction / LHCb Collaboration
A study of the charmless baryonic decays

$B^0_{(s)}\rightarrow K^0 p \bar{p}$ is presented, where

$B^0_{(s)}$ denotes either a

$B^0$ or a

$B^0_s$ meson. [...]
arXiv:2504.21269 ; LHCb-PAPER-2025-001 ; CERN-EP-2025-085. - 2025 - 26.
Fulltext - Related data file(s) - Full text - Full text - Fulltext

Detaljnije

2025-04-10
15:16

Angular analysis of the decay $B_s^0 \to \phi e^+e^-$ / LHCb Collaboration
An angular analysis of the decay

$B^0_s\to\phi e^+e^-$ is presented, using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8 and 13

$\,\mathrm{Te\kern -0.1em V}$ . [...]
arXiv:2504.06346 ; LHCb-PAPER-2025-006 ; CERN-EP-2025-064 ; LHCB-PAPER-2025-006. - 2025 - 29.
Fulltext - Related data file(s) - Fulltext

Detaljnije

2025-04-08
17:10

Observation of the very rare $\Sigma^+ \to p \mu^+ \mu^-$ decay / LHCb Collaboration
The first observation of the

$\Sigma^+ \to p \mu^+ \mu^-$ decay is reported with high significance using proton-proton collision data, corresponding to an integrated luminosity of

$5.4\,\rm{fb}^{-1}$ , collected with the LHCb detector at a centre-of-mass energy of 13~TeV. [...]
arXiv:2504.06096 ; LHCb-PAPER-2025-002 ; CERN-EP-2025-074. - 2025 - 27.
Fulltext - Related data file(s) - Fulltext

Detaljnije

2025-04-08
13:48

Observation of the doubly-charmed-baryon decay $\Xi_{cc}^{++} \to \Xi_c^0 \pi^+ \pi^+$ / LHCb Collaboration
A search for the doubly-charmed-baryon decay

${\it \Xi}_{cc}^{++}\to{\it \Xi}_{c}^{0}(\to p K^{-}K^{-}\pi^{+})\pi^{+}\pi^{+}$ is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV and corresponding to an integrated luminosity of

$5.4 {\,fb}^{-1}$ . [...]
arXiv:2504.05063 ; LHCb-PAPER-2024-053 ; CERN-EP-2025-047 ; LHCB-PAPER-2024-053. - 2025 - 23.
Fulltext - Related data file(s) - Full text - Fulltext

Detaljnije

2025-04-02
15:59

Search for the $B^+_c\rightarrow \chi_{c1}(3872)\pi^+$ decay / LHCb Collaboration
A search for the decay

$B^+_c\rightarrow \chi_{c1}(3872)\pi^+$ is reported using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8, and 13

$TeV$ , corresponding to an integrated luminosity of

$9fb^{-1}$ . [...]
arXiv:2503.20039 ; CERN-EP-2025-042 ; LHCb-PAPER-2024-050 ; LHCB-PAPER-2024-050. - 2025 - 29.
Fulltext - Related data file(s) - Supplementary information - Fulltext

Detaljnije

2025-03-25
16:29

Observation of charge-parity symmetry breaking in baryon decays / LHCb Collaboration
The Standard Model of particle physics, the theory of particles and interactions at the smallest scale, predicts that matter and antimatter interact differently due to violation of the combined symmetry of charge conjugation (

$C$ ) and parity (

$P$ ). [...]
arXiv:2503.16954 ; LHCb-PAPER-2024-054 ; CERN-EP-2025-031 ; LHCB-PAPER-2024-054. - 2025 - 29.
Interactions.org - Full text - Related data file(s) - Fulltext - Fulltext

Detaljnije

2025-02-26
11:23

Observation of a new charmed baryon decaying to $\Xi_c^+ \pi^+ \pi^-$ / LHCb Collaboration
The

$\Xi^+_c\pi^-\pi^+$ spectrum is investigated using proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb

$^{-1}$ , collected by the LHCb experiment during 2016-2018. [...]
arXiv:2502.18987 ; LHCb-PAPER-2024-055 ; CERN-EP-2025-019 ; LHCB-PAPER-2024-055. - 2025 - 22.
Fulltext - Related data file(s) - Full text - Fulltext

Detaljnije

[>> više]

CERN Document Server

Access articles, reports and multimedia content in HEP

Main menu

EP Preprints

CERN Accelerating science

EP Preprints