Y. Luo

Search for $C P$ violation in $D^{+} \to I ¨ I ¨ ^{+}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

A search for charge-parity ( $C P$ ) violation in the Cabibbo-suppressed $D^{+} \to I ¨ I ¨ ^{+}$ decay is presented, using proton-proton collision data corresponding to an integrated lumin…

Measurement of Very-high-energy Diffuse Gamma-ray Emissions from the Galactic Plane with LHAASO-WCDA

The LHAASO Collaboration, Zhen Cao, F. Aharonian +312

The diffuse Galactic gamma-ray emission is a very important tool used to study the propagation and interaction of cosmic rays in the Milky Way. In this work, we report the measurem…

Observation of the semileptonic decay $B^{+} \to p p I^¼^{+} I^½_{I^} ¼$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +900

The Cabibbo-suppressed semileptonic decay $B^{+} \to p p I^¼^{+} I^½_{I^} ¼$ is observed for the first time using a sample of $pp$ collisions corresponding to an integrated lumino…

#cp violation#b meson decays#time-dependent asymmetry#lhcb experiment

Observation of $C P$ violation in $B^{0} \to J / I ¨ I ¨ (770)^{0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1172

The LHCb collaboration measures the time‑dependent CP asymmetry in B⁰ → J/ψ ρ⁰ decays, reporting the first observation of CP violation in this channel and determining the effective…

astro-ph.HE2025

Broadband $I^^{3}$ -ray spectrum of supernova remnant Cassiopeia A

Zhen Cao, F. Aharonian, Y. X. Bai +311

The core-collapse supernova remnant (SNR) Cassiopeia A (Cas A) is one of the brightest galactic radio sources with an angular radius of $\sim$ 2.5 $\arcmin$. Although no extension…

Precision measurement of the $I^_{cc}^{++}$ mass

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +901

A measurement of the $I^_{cc}^{++}$ mass is performed using data collected by the LHCb experiment between 2016 and 2018 in $pp$ collisions at a centre-of-mass energy of 13 TeV, cor…

Updated measurement of decay-time-dependent CP asymmetries in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to I ¨ ^{+} I ¨ ^{-}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +910

A search for decay-time-dependent charge-parity ( $C P$ ) asymmetry in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to I ¨ ^{+} I ¨ ^{-}$ decays is performed at the LHCb experiment using proton-proton collision…

Observation of the rare baryonic decay $B^{+} \to p I^ ˉ$ and measurement of its weak decay parameter

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first observation of the decay $B^{+} \to p I^ ˉ$ is presented, using proton-proton collision data collected by the LHCb experiment between 2016 and 2018 at a cen…

Observation of a $I^_{b}^{0} - I^_{b}^{0}$ production asymmetry in proton-proton collisions at $s = 7 and 8 TeV$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +973

This article presents differential measurements of the asymmetry between $I^_{b}^{0}$ and $I^_{b}^{0}$ baryon production rates in proton-proton collisions at centre-of-mass energi…

Observation of multiplicity-dependent prompt $I ¨ _{c 1} (3872)$ and $I ¨ (2 S)$ production in $pp$ collisions

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +968

The production of $I ¨ _{c 1} (3872)$ and $I ¨ (2 S)$ hadrons is studied as a function of charged particle multiplicity in $pp$ collisions at a center-of-mass energy of 8 TeV, correspondi…

Study of $B_{c} (1 P)^{+}$ states in the $B_{c}^{+} I^^{3}$ mass spectrum

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1155

The study of a wide peaking structure in the $B_{c}^{+} I^^{3}$ mass spectrum is reported using a data sample of proton-proton collisions collected by the LHCb detector at center-of-ma…

nucl-ex2024

Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at $s_{N N} = 5.02$ TeV with the LHCb detector

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

Flow harmonic coefficients, $v_{n}$ , which are the key to studying the hydrodynamics of the quark-gluon plasma (QGP) created in heavy-ion collisions, have been measured in various co…

Study of the doubly charmed tetraquark $T_{cc}^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +994

An exotic narrow state in the $D^{0} D^{0} I ¨ ^{+}$ mass spectrum just below the $D^{*+} D^{0}$ mass threshold is studied using a data set corresponding to an integrated luminosity of 9 fb$^{-…

Evidence for the rare decay $B^{+} \to I^ˉ p I^¼^{+} I^¼^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1192

A search for the rare decay $B^{+} \to I^ˉ p I^¼^{+} I^¼^{-}$ is performed using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $\sqrt{…

Extreme PeV accelerator associated with GRS 1915+105

Zhen Cao, F. Aharonian, Y. X. Bai +322

Microquasars, binary systems featuring relativistic jets, have emerged as sources for particle acceleration beyond PeV energies. We present a study of the broadband $I^^{3}$ -ray emissi…

Search for the lepton-flavour violating decays $B^{+} \to I ¨ ^{+} I^¼^{\pm} e^{\mp}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

The first search for the lepton-flavour violating decays $B^{+} \to I ¨ ^{+} I^¼^{\pm} e^{\mp}$ in proton-proton collisions is presented, using data collected by the LHCb experiment betwe…

Measurement of the charm mixing parameter $y_{C P} - y_{C P}^{K I ¨ }$ using two-body $D^{0}$ meson decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +995

A measurement of the ratios of the effective decay widths of $D^{0} \to I ¨ ^{-} I ¨ ^{+}$ and $D^{0} \to K^{-} K^{+}$ decays over that of $D^{0} \to K^{-} I ¨ ^{+}$ decays is performed with the LHCb experim…

First observation of the decay $I^_{b}^{0} \to I^\cdot_{c} (1 S) p K^{-}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +985

The decay $I^_{b}^{0} \to I^\cdot_{c} (1 S) p K^{-}$ is observed for the first time using a data sample of proton-proton collisions, corresponding to an integrated luminosity of 5.5 $f b^{- 1}$ , co…

Measurement of the CKM angle $I^^{3}$ and $B_{s}^{0}$ - $B ˉ_{s}^{0}$ mixing frequency with $B_{s}^{0} \to D_{s}^{\mp} h^{\pm} I ¨ ^{\pm} I ¨ ^{\mp}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +963

The CKM angle $I^^{3}$ is measured for the first time from mixing-induced $C P$ violation between $B_{s}^{0} \to D_{s}^{\mp} K^{\pm} I ¨ ^{\pm} I ¨ ^{\mp}$ and $\bar{B}^0_s \rightarrow D_s^\pm K^…

Observation of the $B^{+} \to J / I ¨ I^\cdot^{'} K^{+}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1049

The $B^{+} \to J / I ¨ I^\cdot^{'} K^{+}$ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7,…

Measurement of the $I^_{b}^{0} \to I^ (1520) I^¼^{+} I^¼^{-}$ differential branching fraction

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

The branching fraction of the rare decay $I^_{b}^{0} \to I^ (1520) I^¼^{+} I^¼^{-}$ is measured for the first time, in the squared dimuon mass intervals, $q^{2}$ , excluding the $J / I ¨ $ and…

cs.LG2025

Neighborhood-Adaptive Generalized Linear Graph Embedding with Latent Pattern Mining

S. Peng, L. Hu, W. Zhang +2

Graph embedding has been widely applied in areas such as network analysis, social network mining, recommendation systems, and bioinformatics. However, current graph construction me…

Observation of the $Λ_{b}^{0} \to Λ_{c}^{+} K^{+} K^{-} I ¨ ^{-}$ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +975

The $Λ_{b}^{0} \to Λ_{c}^{+} K^{+} K^{-} I ¨ ^{-}$ decay is observed for the first time using a data sample of proton-proton collisions at centre-of-mass energies of $s = 7$ …

Search for prompt production of pentaquarks in charm hadron final states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1093

A search for hidden-charm pentaquark states decaying to a range of $I^£_{c} D ˉ$ and $I^_{c} D ˉ$ final states, as well as doubly-charmed pentaquark states to $I^£_{c} D$ and $Î…

Analysis of $I^_{b}^{0} \to p K^{-} I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1117

The differential branching fraction and angular coefficients of $I^_{b}^{0} \to p K^{-} I^¼^{+} I^¼^{-}$ decays are measured in bins of the dimuon mass squared and dihadron ma…

Search for $B_{(s)}^{* 0} \to I^¼^{+} I^¼^{-}$ in $B_{c}^{+} \to I ¨ ^{+} I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1116

A search for the very rare $B^{* 0} \to I^¼^{+} I^¼^{-}$ and $B_{s}^{* 0} \to I^¼^{+} I^¼^{-}$ decays is conducted by analysing the $B_{c}^{+} \to I ¨ ^{+} I^¼^{+} I^¼^{-}$ process. The analysis uses proton-proton col…

Measurement of $J / I ¨ $ -pair production in $pp$ collisions at $s = 13$ TeV and study of gluon transverse-momentum dependent PDFs

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1080

The production cross-section of $J / I ¨ $ pairs in proton-proton collisions at a centre-of-mass energy of $s = 13$ TeV is measured using a data sample corresponding to an integra…

Search for heavy neutral leptons in $W^{+} \to I^¼^{+} I^¼^{\pm} jet$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +980

A search is performed for heavy neutrinos in the decay of a $W$ boson into two muons and a jet. The data set corresponds to an integrated luminosity of approximately $3.0 \text{ fb…

nucl-ex2026

High-Precision Mass Measurements of Proton-Rich Rh, Pd, Cd isotopes in the vicinity of 100Sn and Impact on X-Ray Burst and Supernova Nucleosynthesis

D. S. Hou, W. D. Xian, M. Rosenbusch +55

Using the ZeroDegree multi-reflection time-of-flight mass spectrograph of the CRISMASS project at RIKEN Radioactive Isotope Beam Factory, we performed high-precision mass measureme…

Search for the lepton-flavour-violating decays $B_{s}^{0} \to I ¨ ^{\pm} I^¼^{\mp}$ and $B^{0} \to I ¨ ^{\pm} I^¼^{\mp}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +863

A search for $B_{s}^{0} \to I ¨ ^{\pm} I^¼^{\mp}$ and $B^{0} \to I ¨ ^{\pm} I^¼^{\mp}$ decays is performed using data corresponding to an integrated luminosity of 3 fb $^{- 1}$ of proton-proton…

Measurement of the mass and production rate of $I^_{b}^{-}$ baryons

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +843

The first measurement of the production rate of $I^_{b}^{-}$ baryons in $pp$ collisions relative to that of $I^_{b}^{0}$ baryons is reported, using data samples collected by the LHCb exper…

Improved measurement of $I^\cdot / I^\cdot^{'}$ mixing in $B_{(s)}^{0} \to J / I ¨ I^\cdot^{(')}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

Branching fraction ratios between the decays $B_{(s)}^{0} \to J / I ¨ I^\cdot^{(')}$ are measured using proton-proton collision data collected by the LHCb experiment at centre-…

Amplitude analysis of the $B^{+} \to D^{+} D^{-} K^{+}$ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +963

Results are reported from an amplitude analysis of the $B^{+} \to D^{+} D^{-} K^{+}$ decay. The analysis is carried out using LHCb proton-proton collision data taken at $s = 7, 8,$ and $1…

Measurement of $γ$ using $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1119

A measurement of the CKM angle $γ$ using the decay channels $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ , where the $D$ meson decays to $D\rightarrow K_{\rm S}^{…

Measurement of the branching fraction of the $B^{0} \to D_{s}^{+} I ¨ ^{-}$ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +949

A branching fraction measurement of the $B^{0} \to D_{s}^{+} I ¨ ^{-}$ decay is presented using proton-proton collision data collected with the LHCb experiment, corresponding t…

Observation of the $I^_{b}^{0} \to J / I ¨ I^^{-} K^{+}$ and $I^_{b}^{0} \to J / I ¨ I^^{-} I ¨ ^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The first observation of the $I^_{b}^{0} \to J / I ¨ I^^{-} I ¨ ^{+}$ decay and the most precise measurement of the branching fraction of the $I^_{b}^{0} \to J / I ¨ I^^{-} K^{+}$ decay are reported, using…

Precision measurement of the muon charge asymmetry from $W$ -boson decays in $pp$ collisions at $s$ = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A precision measurement of the muon charge asymmetry from $W$ -boson decays in proton-proton collisions at $s$ = 13 TeV is presented. The analysis utilizes data corresponding…

Prompt and nonprompt $I ¨ (2 S)$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

The production of $I ¨ (2 S)$ mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of $s_{N N} = 8.16$ TeV is studied with the LHCb detector using data cor…

Amplitude analysis of the $I^_{c}^{+} \to p K^{-} I ¨ ^{+}$ decay and $I^_{c}^{+}$ baryon polarization measurement in semileptonic beauty-hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

An amplitude analysis of the $I^_{c}^{+} \to p K^{-} I ¨ ^{+}$ decay together with a measurement of the $I^_{c}^{+}$ polarization vector in semileptonic beauty-hadron decays is presented. The analy…

Search for heavy neutral leptons in B-meson decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

A search for long-lived heavy neutral leptons produced in B-meson decays and decaying to a $I^¼^{\pm} I ¨ ^{\mp}$ final state is performed with data collected by the LHCb experiment in p…

Measurement of the $Z$ boson production cross-section in $pp$ collisions at $s = 5.02$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1080

The first measurement of the $Z$ boson production cross-section at centre-of-mass energy $s = 5.02$ TeV in the forward region is reported, using $pp$ collision data collect…

Angular analysis of $B^{0} \to D^{-} D_{s}^{+}$ with $D_{s}^{*+} \to D_{s}^{+} I^^{3}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +946

The first full angular analysis of the $B^{0} \to D^{*-} D_{s}^{*+}$ decay is performed using 6 fb $^{- 1}$ of $pp$ collision data collected with the LHCb experiment at a centre-of-mass…

Searches for low-mass dimuon resonances

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +965

Searches are performed for a low-mass dimuon resonance, $X$ , produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an inte…

$C P$ violation analysis of local and nonlocal amplitudes in the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, M. Abdelfatah +1118

A search for $C P$ violation in the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay is performed using proton-proton collision data collected by the LHCb experiment during Run…

Measurement of $∣ V_{c b} ∣$ with $B_{s}^{0} \to D_{s}^{(*) -} I^¼^{+} I^½_{I^} ¼$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +904

The element $∣ V_{c b} ∣$ of the Cabibbo-Kobayashi-Maskawa matrix is measured using semileptonic $B_{s}^{0}$ decays produced in proton-proton collision data collected with the LHCb detect…

Measurement of $B^{+}$ , $B^{0}$ and $I^_{b}^{0}$ production in $p Pb$ collisions at $s_{NN} = 8.16 TeV$

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +842

The production of $B^{+}$ , $B^{0}$ and $I^_{b}^{0}$ hadrons is studied in proton-lead collisions at a centre-of-mass energy per nucleon pair of $s_{NN} = 8.16 TeV$ recor…

astro-ph.GA2023

HI in high gas-phase metallicity dwarf galaxy WISEA J230615.06+143927.9

Yan Guo, C. Sengupta, T. C. Scott +2

We present resolved GMRT HI observations of the high gas-phase metallicity dwarf galaxy WISEA J230615.06+143927.9 (z = 0.005) (hereafter J2306) and investigate whether it could be…

physics.app-ph2020

Optical Transistor for an Amplification of Radiation in a Broadband THz Domain

Kristian Hauser A. Villegas, Fedor V. Kusmartsev, Y. Luo +1

We propose a new type of optical transistor for a broadband amplification of THz radiation. It is made of a graphene--superconductor hybrid, where electrons and Cooper pairs couple…

Measurement of the branching fraction of the decay $B_{s}^{0} \to K_{S}^{0} K_{S}^{0}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +905

A measurement of the branching fraction of the decay $B_{s}^{0} \to K_{S}^{0} K_{S}^{0}$ is performed using proton-proton collision data corresponding to an integrated luminosity of 5 $fb^{-1}…

cond-mat.mtrl-sci2010

Negative refraction in natural ferromagnetic metals

Sebastian Engelbrecht, Alexey Mikhailovich Shuvaev, Y. Luo +2

It is generally believed that Veselago's criterion for negative refraction cannot be fulfilled in natural materials. However, considering imaginary parts of the permittivity (Îµ) a…

Amplitude analysis of $B^{+} \to I ¨ (2 S) K^{+} I ¨ ^{+} I ¨ ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1096

The first full amplitude analysis of $B^{+} \to I ¨ (2 S) K^{+} I ¨ ^{+} I ¨ ^{-}$ decays is performed using proton-proton collision data corresponding to an integrated luminosity of $9\,\text{fb…

Determination of short- and long-distance contributions in $B^{0} \to K^{* 0} I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

An amplitude analysis of the $B^{0} \to K^{* 0} I^¼^{+} I^¼^{-}$ decay is presented. The analysis is based on data collected by the LHCb experiment from proton-proton collisions at $\sqrt{s}…

Updated search for $B_{c}^{+}$ decays to two charm mesons

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +995

A data set corresponding to an integrated luminosity of $9 fb^{- 1}$ of proton-proton collisions collected by the LHCb experiment has been analysed to search for $B_c^+ \to D…

Updated measurement of $C P$ violation and polarisation in $B_{s}^{0} \to J / I ¨ K^{*} (892)^{0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1169

A time-integrated angular analysis of the decay $B_{s}^{0} \to J / I ¨ K^{*} (892)^{0}$ , with $J / I ¨ \to I^¼^{+} I^¼^{-}$ and $\overline{K}{}^{*}\kern-1pt(…

Measurements of charmed meson and antimeson production asymmetries at $s = 13.6$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1130

This article presents doubly differential measurements of the asymmetries in production rates between mesons containing a charm quark and those containing an anticharm quark in pro…

Evidence for a new structure in the $J / I ¨ p$ and $J / I ¨ p ˉ$ systems in $B_{s}^{0} \to J / I ¨ p p ˉ$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +987

An amplitude analysis of flavour-untagged $B_{s}^{0} \to J / I ¨ p p ˉ$ decays is performed using a sample of $797 \pm 31$ decays reconstructed with the LHCb detector. The data, collecte…

Search for the lepton-flavour violating decays $B^{+} \to K^{+} I^¼^{\pm} e^{\mp}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +895

A search for the lepton-flavour violating decays $B^{+} \to K^{+} I^¼^{\pm} e^{\mp}$ is performed using a sample of proton-proton collision data, collected with the LHCb experiment at c…

Observation of a resonant structure near the $D_{s}^{+} D_{s}^{-}$ threshold in the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

An amplitude analysis of the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay is carried out to study for the first time its intermediate resonant contributions, using proton-proton collision data c…

Angular analysis of the $B^{+} \to K^{*+} I^¼^{+} I^¼^{-}$ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +959

We present an angular analysis of the $B^{+} \to K^{*+} (\to K_{S}^{0} I ¨ ^{+}) I^¼^{+} I^¼^{-}$ decay using 9$\,\mbox{fb}^{-1}$ of $pp$ collision data collected with th…

cond-mat.supr-con2017

Tuning the pairing interaction in a $d$ -wave superconductor by paramagnons injected through interfaces

M. Naritsuka, P. F. S. Rosa, Y. Luo +9

Unconventional superconductivity and magnetism are intertwined on a microscopic level in a wide class of materials. A new approach to this most fundamental and hotly debated issue…

Measurement of the branching fraction ratios $R (D^{+})$ and $R (D^{*+})$ using muonic $I ¨ $ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1066

The branching fraction ratios of $B^{0} \to D^{+} I ¨ ^{-} I^½_{I ¨} $ and $B^{0} \to D^{*+} I ¨ ^{-} I^½_{I ¨} $ decays are measured with respect to their muonic counter…

Observation of new charmonium(-like) states in $B^{+} \to D^{*\pm} D^{\mp} K^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1066

A study of resonant structures in $B^{+} \to D^{*+} D^{-} K^{+}$ and $B^{+} \to D^{*-} D^{+} K^{+}$ decays is performed, using proton-proton collision data at cen…

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +900

The production fraction of the $B_{c}^{-}$ meson with respect to the sum of $B^{-}$ and $B ˉ^{0}$ mesons is measured in both 7 and 13 TeV center-of-mass energy $pp$ collisions produced…

nucl-th2002

Shell Model Embedded in the Continuum for Binding Systematics in Neutron-Rich Isotopes of Oxygen and Fluor

Y. Luo, J. Okolowicz, M. Ploszajczak +1

Continuum coupling correction to binding energies in the neutron rich oxygen and fluorine isotopes is studied using the Shell Model Embedded in the Continuum. We discuss the import…

Measurement of the $D^{}$ longitudinal polarization in $B^{0} \to D^{-} I ¨ ^{+} I^½_{I ¨} $ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1091

The longitudinal polarization fraction of the $D^{*}$ meson is measured in $B^{0} \to D^{*-} I ¨ ^{+} I^½_{I ¨} $ decays, where the $I ¨ $ lepton decays to three charged pions and a neutrino, us…

Open charm production and asymmetry in $p$ Ne collisions at $s_{NN} =$ 68.5 GeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1053

A measurement of $D^{0}$ meson production by the LHCb experiment in its fixed-target configuration is presented. The production of $D^{0}$ mesons is studied with a beam of 2.5 TeV prot…

First measurement of $b$ -jet mass with and without grooming

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1138

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}…

Improved measurement of $C P$ violation parameters in $B_{s}^{0} \to J / I ¨ K^{+} K^{-}$ decays in the vicinity of the $I ¨ (1020)$ resonance

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1083

The decay-time-dependent $C P$ asymmetry in $B_{s}^{0} \to J / I ¨ (\to I^¼^{+} I^¼^{-}) K^{+} K^{-}$ decays is measured using proton-proton collision data, corresponding to an integrated lumino…

Observation of new resonances in the $I^_{b}^{0} I ¨ ^{+} I ¨ ^{-}$ system

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +910

We report the observation of a new structure in the $I^_{b}^{0} I ¨ ^{+} I ¨ ^{-}$ spectrum using the full LHCb data set of $pp$ collisions, corresponding to an integrated luminosity of $9\,\ma…

Precision measurement of $CP$ violation in the penguin-mediated decay $B_{s}^{0} \to I ¨ I ¨ $

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1044

A flavor-tagged time-dependent angular analysis of the decay $B_{s}^{0} \to I ¨ I ¨ $ is performed using $pp$ collision data collected by the LHCb experiment at $s = 13$ TeV,…

#lyman-alpha forest#alcock-paczynski test#baryon acoustic oscillations#dark energy

Constraints on the $K_{S}^{0} \to I^¼^{+} I^¼^{-}$ branching fraction

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +901

A search for the decay $K_{S}^{0} \to I^¼^{+} I^¼^{-}$ is performed using proton-proton collision data, corresponding to an integrated luminosity of $5.6 fb^{- 1}$ …

astro-ph.CO2026

DESI DR2 Results IV: Alcock-Paczyński Measurements from the Lyman Alpha Forest and Cosmological Constraints

DESI Collaboration, A. G. Adame, J. Aguilar +164

The DESI DR2 analysis measures the Alcock‑Paczynski effect using the full shape of Lyman‑α forest auto‑ and cross‑correlations, achieving 1% precision at redshift 2.33 and providin…

Test of lepton universality with $I^_{b}^{0} \to p K^{-} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +904

The ratio of branching fractions of the decays $I^_{b}^{0} \to p K^{-} e^{+} e^{-}$ and $I^_{b}^{0} \to p K^{-} I^¼^{+} I^¼^{-}$ , $R_{p K}^{- 1}$ , is measured for the first time using proton-p…

Observation of excited $I^c ◯_{c}^{0}$ baryons in $I^c ◯_{b}^{-} \to I^_{c}^{+} K^{-} I ¨ ^{-}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +959

The first observation of the $I^c ◯_{b}^{-} \to I^_{c}^{+} K^{-} I ¨ ^{-}$ decay is reported using $pp$ collision data at centre-of-mass energies of 7, 8 and 13\, $TeV$ collected by the LHC…

physics.acc-ph2014

Status of head-on beam-beam compensation in RHIC

W. Fischer, Z. Altinbas, M. Anerella +34

In polarized proton operation, the performance of the Relativistic Heavy Ion Collider (RHIC) is limited by the head-on beam-beam effect. To overcome this limitation, two electron l…

Three-pion Bose-Einstein correlations measured in proton-proton collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

A study on the Bose-Einstein correlations for triplets of same-sign pions is presented. The analysis is performed using proton-proton collisions at a centre-of-mass energy of $\sqr…

Measurement of $C P$ violation observables in $D^{+} \to K^{-} K^{+} I ¨ ^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1112

A search for violation of the charge-parity $C P$ symmetry in the $D^{+} \to K^{-} K^{+} I ¨ ^{+}$ decay is presented, with proton-proton collision data corresponding to an integrated…

Search for $A^{'} \to I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +905

Searches are performed for both prompt-like and long-lived dark photons, $A^{'}$ , produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for $A…

Angular analysis of the decay $B_{s}^{0} \to I ¨ e^{+} e^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

An angular analysis of the decay $B_{s}^{0} \to I ¨ e^{+} e^{-}$ is presented, using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energi…

Search for the lepton flavour violating decay $B^{+} \to K^{+} I^¼^{-} I ¨ ^{+}$ using $B_{s 2}^{* 0}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +904

A search is presented for the lepton flavour violating decay $B^{+} \to K^{+} I^¼^{-} I ¨ ^{+}$ using a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13…

Angular analysis of $D^{0} \to I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ and $D^{0} \to K^{+} K^{-} I^¼^{+} I^¼^{-}$ decays and search for $C P$ violation

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1003

The first full angular analysis and an updated measurement of the decay-rate $C P$ asymmetry of the $D^{0} \to I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$ and $D^{0} \to K^{+} K^{-} I^¼^{+} I^¼^{-}$ decays are reported. The…

Measurement of differential $b b ˉ$ - and $c c ˉ$ -dijet cross-sections in the forward region of $pp$ collisions at $s = 13 TeV$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +975

The inclusive $b b ˉ$ - and $c c ˉ$ -dijet production cross-sections in the forward region of $pp$ collisions are measured using a data sample collected with the LHCb detecto…

Ultra-high-energy $I^^{3}$ -ray imprints from PeV particles accelerated by supernova remnants

Zhen Cao, F. Aharonian, Y. X. Bai +320

The quest for the origin of cosmic ray (CRs) is a fundamental issue in astrophysics. Shocks of supernova remnants (SNRs) have been considered as the dominant contributors to Galact…

cs.AI2022

Urban Region Profiling via A Multi-Graph Representation Learning Framework

Y. Luo, F. Chung, K. Chen

Urban region profiling can benefit urban analytics. Although existing studies have made great efforts to learn urban region representation from multi-source urban data, there are s…

Anisotropic Particle Transport from a Pulsar Wind Nebula Revealed by Einstein Probe and LHAASO

Zhen Cao, F. Aharonian, Y. X. Bai +339

Pulsar wind nebulae (PWNe) are major cosmic ray accelerators, yet the mechanisms transporting high-energy particles into the interstellar medium remain elusive. Building on the LHA…

Measurement of $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1119

A measurement of the $C P$ -violating parameters in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays is reported, based on the analysis of proton-proton collision data collected by the LHCb expe…

Study of $D_{s 1} (2460)^{+} \to D_{s}^{+} I ¨ ^{+} I ¨ ^{-}$ in $B \to D ˉ^{(*)} D_{s}^{+} I ¨ ^{+} I ¨ ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1129

An amplitude analysis of the $D_{s 1} (2460)^{+} \to D_{s}^{+} I ¨ ^{+} I ¨ ^{-}$ transition is performed simultaneously in $B^{0} \to D^{-} D_{s}^{+} I ¨ ^{+} I ¨ ^{-}$ , $B^{+}\to{\bar{D}}^{0} D_{s}…

Amplitude analysis and branching fraction measurement of $B^{+} \to D^{*-} D_{s}^{+} I ¨ ^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1060

The decays of the $B^{+}$ meson to the final state $D^{*-} D_{s}^{+} I ¨ ^{+}$ are studied in proton-proton collision data collected with the LHCb detector at centre-of-mass energies o…

Observation of a new baryon state in the $I^_{b}^{0} I ¨ ^{+} I ¨ ^{-}$ mass spectrum

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +905

A new baryon state is observed in the $I^_{b}^{0} I ¨ ^{+} I ¨ ^{-}$ mass spectrum with high significance using a data sample of $pp$ collisions, collected with the LHCb detector at centre-of-ma…

Observation of several sources of $C P$ violation in $B^{+} \to I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +868

Observations are reported of different sources of $C P$ violation from an amplitude analysis of $B^{+} \to I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ decays, based on a data sample corresponding to an integrate…

Observation of the doubly-charmed-baryon decay $I^_{cc}^{++} \to I^_{c}^{0} I ¨ ^{+} I ¨ ^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1134

A search for the doubly-charmed-baryon decay $I^_{cc}^{++} \to I^_{c}^{0} I ¨ ^{+} I ¨ ^{+}$ is performed using proton-proton collision data collected by the LHCb experiment at…

Test of lepton flavour universality with $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays at large dilepton invariant mass

LHCb collaboration, R. Aaij, M. Abdelfatah +1115

Muon-electron universality is tested in $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays, in the dilepton-invariant-mass region above the $I ¨ (2 S)$ resonance. The analysis uses beauty mesons…

cond-mat.str-el2004

Tunable "Doniach Phase Diagram" for strongly-correlated nanoclusters

Y. Luo, C. Verdozzi, N. Kioussis

Exact diagonalization calculations reveal that the energy spacing $I^$ in the conduction band tunes the interplay between the {\it local} Kondo and {\it non local} RKKY interaction…

A search for rare $B \to D I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

A search for rare $B \to D I^¼^{+} I^¼^{-}$ decays is performed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of…

Energy-Dependent Shifts of Medium-Scale Anisotropies in Very-High-Energy Cosmic Rays Observed by LHAASO-KM2A

The LHAASO collabration, Zhen Cao, F. Aharonian +310

Small deviations from isotropy in the arrival directions of Galactic cosmic rays serve as a unique probe of the local magnetic environment. In this Letter, we report observations o…

Observation of the decay $I^_{b}^{0} \to I ¨ _{c 1} p I ¨ ^{-}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +945

The Cabibbo-suppressed decay $I^_{b}^{0} \to I ¨ _{c 1} p I ¨ ^{-}$ is observed for the first time using data from proton-proton collisions corresponding to an integrated luminosity of 6f…

cond-mat.mtrl-sci2014

Metacomposite characteristics and their influential factors of polymer composites containing orthogonal ferromagnetic microwire arrays

Y. Luo, H. X. Peng, F. X. Qin +4

The microwave properties of glass-fibers reinforced polymer composite embedded with an orthogonal array of Fe77Si10B10C3 microwires have been investigated. The composites containin…

First observation of a doubly charged tetraquark and its neutral partner

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1055

A combined amplitude analysis is performed for the decays $B^{0} \to D^{0} D_{s}^{+} I ¨ ^{-}$ and $B^{+} \to D^{-} D_{s}^{+} I ¨ ^{+}$ , which are related by isospin symmetry. The…

Precise determination of the B0s-B0sbar oscillation frequency

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +946

Mesons comprising a beauty quark and a strange quark can oscillate between particle (B0s) and antiparticle (B0s) flavour eigenstates, with a frequency given by the mass difference…