Publications (173)
Differential cross sections for Î(1520) using photoproduction at CLAS
U. Shrestha, T. Chetry, C. Djalali +130
The reaction using photoproduction data from the CLAS experiment at Jefferson Lab is studied. The decay of into two exclusive chan…
Beam-Recoil Transferred Polarization in Electroproduction in the Nucleon Resonance Region with CLAS12
D. S. Carman, A. D'Angelo, L. Lanza +138
Beam-recoil transferred polarizations for the exclusive electroproduction of and final states from an unpolarized proton target have been measured using the CLAS1…
Observation of the decay
LHCb collaboration, R. Aaij, B. Adeva +808
The first observation of the decay is reported, together with the most precise branching fraction measurement of the mode $B^0 \to \overline{D}^0…
Evidence for the decay
LHCb collaboration, R. Aaij, B. Adeva +788
A search for the decay is presented using data sets corresponding to 1.0, 2.0 and 1.6 of integrated luminosity co…
Study of the amplitude in decays
LHCb collaboration, R. Aaij, B. Adeva +764
An amplitude analysis of the decay is performed in the part of the phase space containing resonances in the channel. The study is based on a data sam…
Multidimensional, high precision measurements of beam single spin asymmetries in semi-inclusive electroproduction off protons in the valence region
S. Diehl, A. Kim, G. Angelini +153
High precision measurements of the polarized electron beam-spin asymmetry in semi-inclusive deep inelastic scattering (SIDIS) from the proton have been performed using a 10.6~GeV i…
Observation of meson decays to and final states
LHCb collaboration, R. Aaij, B. Adeva +801
The first observation of the and decays is reported using a sample of proton-proton collisions collected by LHCb at a center-of-…
Amplitude analysis of decays
LHCb collaboration, R. Aaij, B. Adeva +763
The Dalitz plot analysis technique is used to study the resonant substructures of decays in a data sample corresponding to 3.0 of $p…
Measurement of forward , and production in collisions at TeV
LHCb collaboration, R. Aaij, B. Adeva +767
The production of , and is studied in the forward region of proton-proton collisions collected at a centre-of-mass energy of 8 Te…
Observation of a new resonance
R. Aaij, B. Adeva, M. Adinolfi +806
From samples of collision data collected by the LHCb experiment at , and TeV corresponding to integrated luminosities of 1.0, 2.0 and 1.5 fb, respe…
Measurement of forward top pair production in the dilepton channel in collisions at TeV
LHCb collaboration, R. Aaij, B. Adeva +791
Forward top quark pair production is studied in collisions in the final state using a data sample corresponding to an integrated luminosity of 1.93 fb collected…
Evidence for the two-body charmless baryonic decay
LHCb collaboration, R. Aaij, B. Adeva +767
A search for the rare two-body charmless baryonic decay is performed with collision data, corresponding to an integrated luminosity of $3\,\mbox{fb}^{-1}$,…
Observation of the decay in the mass region
LHCb collaboration, R. Aaij, B. Adeva +828
The decay mode is observed and its branching fraction relative to the corresponding decay mode, in a $\pm 15 \textrm{MeV}/…
Observation of the decays and
LHCb collaboration, R. Aaij, B. Adeva +776
The first observation of the decays and is reported using a data sample corresponding to an integrated luminosity of fb$…
Photoproduction of mesons off the proton for GeV using CLAS at Jefferson Laboratory
T. Hu, Z. Akbar, V. Crede +148
Photoproduction cross sections are reported for the reaction using energy-tagged photons and the CLAS spectrometer at Jefferson Laboratory. The mesons are detecte…
Search for the lepton-flavour violating decays
LHCb collaboration, R. Aaij, B. Adeva +799
A search for the lepton-flavour violating decays and is performed based on a sample of proton-proton collision data…
Measurement of forward production in collisions at TeV
LHCb collaboration, R. Aaij, B. Adeva +763
A measurement of the cross-section for production in collisions is presented using data corresponding to an integrated luminosity of fb collected by th…
Measurement of the baryon lifetime
LHCb collaboration, R. Aaij, B. Adeva +834
We report a measurement of the lifetime of the baryon using proton-proton collision data at center-of-mass energies of 7 and 8~TeV, corresponding to an integrated luminosi…
Measurement of the forward Z boson production cross-section in pp collisions at TeV
LHCb collaboration, R. Aaij, B. Adeva +759
A measurement of the production cross-section of Z bosons in pp collisions at TeV is presented using dimuon and dielectron final states in LHCb data. The cross-sect…
Search for the rare decay
LHCb collaboration, R. Aaij, B. Adeva +792
A search for the flavor-changing neutral-current decay is reported using a data set corresponding to an integrated luminosity of collect…
First study of the CP-violating phase and decay-width difference in decays
LHCb collaboration, R. Aaij, B. Adeva +765
A time-dependent angular analysis of decays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0\…
Evidence for the rare decay
LHCb collaboration, R. Aaij, B. Adeva +791
A search for the rare decay is performed using collision data recorded by the LHCb experiment at centre-of-mass energies and TeV, cor…
Measurement of the polarizations in collisions at =7 and 8TeV
LHCb collaboration, R. Aaij, B. Adeva +801
The polarization of the , and mesons, produced in collisions at centre-of-mass energies =7 and 8TeV, is measured using data samples collect…
Measurement of the asymmetry in mixing
LHCb collaboration, R. Aaij, B. Adeva +735
The asymmetry in the mixing of and mesons is measured in proton-proton collision data corresponding to an integrated luminosity of 3.0 fb,…
Search for dark photons produced in 13 TeV collisions
LHCb collaboration, R. Aaij, B. Adeva +796
Searches are performed for both prompt-like and long-lived dark photons, , produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using $A^{\prime}\…
Measurement of the production cross-section in pp collisions at 7 and 13 TeV
LHCb collaboration, R. Aaij, B. Adeva +796
The production of mesons is studied in collisions at centre-of-mass energies of 7 and 13 TeV, using decays and data samples correspo…
Search for the decays and
LHCb collaboration, R. Aaij, B. Adeva +775
A search for the rare decays and is performed using proton--proton collision data collected with the LHCb detector. The data sample corresponds…
Observation of the annihilation decay mode
LHCb collaboration, R. Aaij, B. Adeva +765
A search for the decay is performed using -collision data collected by LHCb. The data set corresponds to integrated luminosities of 1 and 2 fb at c…
Measurement of Beam-Recoil Observables and for Photoproduction
CLAS Collaboration, S. Adhikari, B. A. Raue +154
Exclusive photoproduction of final states off a proton target has been an important component in the search for missing nucleon resonances and our understanding of the pro…
Observation of the decay
LHCb collaboration, R. Aaij, B. Adeva +764
The observation of the decay is reported, using a data sample corresponding to an integrated luminosity of , collected…
Measurement of the lifetime of the doubly charmed baryon
LHCb collaboration, R. Aaij, B. Adeva +832
The first measurement of the lifetime of the doubly charmed baryon is presented, with the signal reconstructed in the final state . The data sa…
Alignment of the CLAS12 central hybrid tracker with a Kalman Filter
S. J. Paul, A. Peck, M. Arratia +131
Several factors can contribute to the difficulty of aligning the sensors of tracking detectors, including a large number of modules, multiple types of detector technologies, and no…
Measurement of and meson lifetimes
LHCb collaboration, R. Aaij, B. Adeva +774
We report on a measurement of the flavor-specific lifetime and of the lifetime using proton-proton collisions at center-of-mass energies of 7 and 8 TeV, col…
Measurement of the CKM angle from a combination of LHCb results
LHCb collaboration, R. Aaij, B. Adeva +765
A combination of measurements sensitive to the CKM angle from LHCb is performed. The inputs are from analyses of time-integrated , $B^{0} \rightarrow D…
Search for decays to two charm mesons
LHCb collaboration, R. Aaij, B. Adeva +791
A search for decays of mesons to two charm mesons is performed for the first time using data corresponding to an integrated luminosity of 3.0 fb, collected by the LH…
Observation of the decay
LHCb collaboration, R. Aaij, B. Adeva +764
Decays of the and baryons to the charmless final states , where denotes a kaon or pion, are searched for with the LHCb detecto…
Measurement of asymmetry in decays
LHCb collaboration, R. Aaij, B. Adeva +763
A measurement of the time-integrated asymmetry in the Cabibbo-suppressed decay is performed using pp collision data, corresponding to an integrated lum…
Measurement of violation in decays
LHCb collaboration, R. Aaij, B. Adeva +786
A measurement of the asymmetries and in decays is reported. The decays are reconstructed in a dataset collected with the LHCb ex…
Test of lepton universality with decays
LHCb collaboration, R. Aaij, B. Adeva +785
A test of lepton universality, performed by measuring the ratio of the branching fractions of the and de…
Study of decays to the final state and evidence for the decay
LHCb collaboration, R. Aaij, B. Adeva +761
A study of decays is performed for the first time using data corresponding to an integrated luminosity of 3.0 collected by the LHCb experim…
Study of the decay with an amplitude analysis of decays
LHCb collaboration, R. Aaij, C. Abellán Beteta +840
An amplitude analysis of decays is performed in the two-body invariant mass regions MeV/, accounting for the ,…
Recoil Polarization in Electroproduction in the Nucleon Resonance Region with CLAS12
D. S. Carman, A. D'Angelo, L. Lanza +127
Hyperon recoil polarization measurements for the exclusive electroproduction of and final states from an unpolarized proton target have been carried out using the…
ATHENA Detector Proposal -- A Totally Hermetic Electron Nucleus Apparatus proposed for IP6 at the Electron-Ion Collider
ATHENA Collaboration, J. Adam, L. Adamczyk +433
ATHENA has been designed as a general purpose detector capable of delivering the full scientific scope of the Electron-Ion Collider. Careful technology choices provide fine trackin…
First measurement of the -violating phase in decays
LHCb collaboration, R. Aaij, B. Adeva +793
A flavour-tagged decay-time-dependent amplitude analysis of decays is presented in the mass range from 750 to 1600 MeV. The ana…
Search for CP violation using triple product asymmetries in , and decays
LHCb collaboration, R. Aaij, B. Adeva +791
A search for P and violation using triple-product asymmetries is performed with , and $Î^{0}_{b}\to pK^{-…
Inclusive Electron Scattering in the Resonance Region off a Hydrogen Target with CLAS12
V. Klimenko, D. S. Carman, R. W. Gothe +135
Inclusive electron scattering cross sections off a hydrogen target at a beam energy of 10.6 GeV have been measured with data collected from the CLAS12 spectrometer at Jefferson Lab…
Measurement of the pair production cross-section in collisions at
LHCb collaboration, R. Aaij, B. Adeva +763
The production cross-section of pairs is measured using a data sample of collisions collected by the LHCb experiment at a centre-of-mass energy of $\sqrt{s} = 13 \,{\ma…
Measurement of the lifetime
LHCb collaboration, R. Aaij, B. Adeva +753
Using a data set corresponding to an integrated luminosity of , collected by the LHCb experiment in collisions at centre-of-mass energies of 7 and 8 TeV, the effect…
Model-independent observation of exotic contributions to decays
LHCb collaboration, R. Aaij, C. Abellán Beteta +841
An angular analysis of decays is performed, using proton-proton collision data corresponding to an integrated luminosity of 3~ collected with th…
Measurement of matter-antimatter differences in beauty baryon decays
LHCb collaboration, R. Aaij, B. Adeva +762
Differences in the behaviour of matter and antimatter have been observed in and meson decays, but not yet in any baryon decay. Such differences are associated with the non-…
First measurement of charm production in fixed-target configuration at the LHC
LHCb collaboration, R. Aaij, B. Adeva +834
The first measurement of heavy-flavour production by the LHCb experiment in its fixed-target mode is presented. The production of and mesons is studied with beams of p…
Measurement of branching fractions of charmless four-body and decays
LHCb collaboration, R. Aaij, B. Adeva +794
A search for charmless four-body decays of and baryons with a proton and three charged mesons (either kaons or pions) in the final state is performed. The…
A search for weakly decaying b-flavored pentaquarks
LHCb collaboration, R. Aaij, B. Adeva +790
Investigations of the existence of pentaquark states containing a single (anti)quark decaying weakly into four specific final states J/, J/, J/$ÏK^-…
Amplitude analysis of the decay and first observation of the CP asymmetry in
LHCb collaboration, R. Aaij, B. Adeva +794
The time-integrated Dalitz plot of the three-body hadronic charmless decay is studied using a collision da…
Amplitude analysis of decays
LHCb collaboration, R. Aaij, B. Adeva +751
The first full amplitude analysis of with , decays is performed with a data sample of 3 fb of collision data collecte…
Test of Lepton Flavor Universality by the measurement of the branching fraction using three-prong decays
LHCb collaboration, R. Aaij, B. Adeva +806
The ratio of branching fractions is measured using a data sample of proton-proton…
Improved Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State
CLAS Collaboration, J. Rowley, N. Compton +143
Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a significant part in the…
Physics case for an LHCb Upgrade II - Opportunities in flavour physics, and beyond, in the HL-LHC era
LHCb collaboration, I. Bediaga, M. Cruz Torres +828
The LHCb Upgrade II will fully exploit the flavour-physics opportunities of the HL-LHC, and study additional physics topics that take advantage of the forward acceptance of the LHC…
Measurement of the inelastic cross-section at a centre-of-mass energy of 13\,TeV
LHCb collaboration, R. Aaij, B. Adeva +782
The cross-section for inelastic proton-proton collisions at a centre-of-mass energy of 13\,TeV is measured with the LHCb detector. The fiducial cross-section for inelastic interact…
Study of charmonium production in -hadron decays and first evidence for the decay
LHCb collaboration, R. Aaij, B. Adeva +769
Using decays to -meson pairs, the inclusive production of charmonium states in -hadron decays is studied with collision data corresponding to an integrated luminosity o…
Observation of two resonances in the systems and precise measurement of and properties
LHCb collaboration, R. Aaij, C. Abellán Beteta +837
The first observation of two structures consistent with resonances in the final states and is reported using samples of collision data collected by…
Measurement of the time-integrated asymmetry in decays
LHCb collaboration, R. Aaij, B. Adeva +809
A measurement of the time-integrated asymmetry in decays is reported. The data correspond to an integrated luminosity of about fb colle…
Inclusive J/psi production in pp collisions at sqrt(s) = 2.76 TeV
ALICE Collaboration, B. Abelev, J. Adam +966
The ALICE Collaboration has measured inclusive J/psi production in pp collisions at a center of mass energy sqrt(s)=2.76 TeV at the LHC. The results presented in this Letter refer…
Search for the decay
LHCb collaboration, R. Aaij, B. Adeva +763
A search for the charmless decay is performed using collision data collected by the LHCb experiment at centre-of-mass energies of and TeV…
Evidence for exotic hadron contributions to decays
LHCb collaboration, R. Aaij, C. Abellán Beteta +739
A full amplitude analysis of decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV collisions, corresponding to an in…
Measurement of the branching fraction and effective lifetime and search for decays
LHCb collaboration, R. Aaij, B. Adeva +771
A search for the rare decays and is performed at the LHCb experiment using data collected in collisions corresponding to a total integrated…
Measurements of Cross Sections with the CLAS Detector for from 2.0--5.0~GeV and from 1.400--2.125~GeV
A. Trivedi, R. W. Gothe, E. Phelps +122
Observables in the electroproduction of the reaction channel off the proton that are sensitive to the polarization of the virtual photon are presented for the first tim…
Measurements of asymmetries in charmless four-body and decays
LHCb collaboration, R. Aaij, C. Abellán Beteta +841
A search for violation in charmless four-body decays of and baryons with a proton and three charged mesons in the final state is performed. To cancel out produ…
Search for violation in the phase space of decays
LHCb collaboration, R. Aaij, B. Adeva +769
A search for time-integrated violation in the Cabibbo-suppressed decay $\mbox{$D^0\rightarrowÏ^+Ï^-Ï^+Ï^-$}$ is performed using an unbinned, model-independent technique kn…
Search for violation through an amplitude analysis of decays
LHCb collaboration, R. Aaij, C. Abellán Beteta +845
A search for violation in the Cabibbo-suppressed decay mode is performed using an amplitude analysis. The measurement uses a sample of …
Measurement of production in proton-proton collisions at TeV
LHCb collaboration, R. Aaij, B. Adeva +821
A measurement of production cross-section is presented using data, corresponding to an integrated luminosity of 2 fb, from collisions at $\sqrt{s…
Study of correlations in high energy proton-proton collisions
LHCb collaboration, R. Aaij, B. Adeva +802
Kinematic correlations for pairs of beauty hadrons, produced in high energy proton-proton collisions, are studied. The data sample used was collected with the LHCb experiment at ce…
Measurement of the branching fraction and asymmetry in decays
LHCb collaboration, R. Aaij, C. Abellán Beteta +844
The branching fraction and direct asymmetry of the decay are measured using proton-proton collision data collected with the LHCb detector at ce…
Measurement of production asymmetry in collisions at and 8 TeV
R. Aaij, B. Adeva, M. Adinolfi +786
The inclusive production asymmetry is measured in collisions collected by the LHCb experiment at centre-of-mass energies of and 8 TeV. Promptly produ…
Search for structure in the invariant mass spectrum
LHCb collaboration, R. Aaij, B. Adeva +761
The invariant mass distribution is investigated in order to search for possible exotic meson states. The analysis is based on a data sample recorded with the LHCb det…
Observation of charmless baryonic decays
LHCb collaboration, R. Aaij, B. Adeva +770
Decays of and mesons to the charmless baryonic final states , where and each denote a kaon or a pion, are searched fo…
Search for decays of neutral beauty mesons into four muons
LHCb collaboration, R. Aaij, B. Adeva +768
A search for the non-resonant decays and is presented. The measurement is performed using th…
First observation of the doubly charmed baryon decay
LHCb collaboration, R. Aaij, B. Adeva +834
The doubly charmed baryon decay is observed for the first time, with a statistical significance of , confirming a recent observa…
Measurement of antiproton production in collisions at GeV
LHCb collaboration, R. Aaij, C. Abellán Beteta +839
The cross-section for prompt antiproton production in collisions of protons with an energy of TeV incident on helium nuclei at rest is measured with the LHCb experiment from…
Phenomenological interpolation of the inclusive J/psi cross section to proton-proton collisions at 2.76 TeV and 5.5 TeV
F. Bossu, Z. Conesa del Valle, A. de Falco +3
We present a study of the inclusive J/psi cross section at 2.76 TeV and 5.5 TeV. The energy dependence of the cross section, rapidity and transverse momentum distributions are eval…
Improved limit on the branching fraction of the rare decay
LHCb collaboration, R. Aaij, B. Adeva +767
A search for the decay is performed, based on a data sample of proton-proton collisions corresponding to an integrated luminosity of 3 fb$^{…
Measurement of asymmetries in two-body -meson decays to charged pions and kaons
LHCb collaboration, R. Aaij, B. Adeva +786
The time-dependent asymmetries in and decays are measured using a data sample of collisions corresponding to an integrated luminosi…
Measurement of the ratio of branching fractions
LHCb collaboration, R. Aaij, B. Adeva +755
The ratio of branching fractions is measured with collision data collected by the…
Measurement of single- and double-polarization observables in the photoproduction of ~meson pairs off the proton using CLAS at Jefferson Laboratory
P. Roy, S. Cao, V. Crede +141
The photoproduction of meson pairs off the proton has been studied in the reaction using the CEBAF Large Acceptance Spectrometer (CLAS) and the froz…
Observation of decays
LHCb collaboration, R. Aaij, B. Adeva +764
A search for the decays and is performed with data collected at the LHCb experiment corresponding to an integrated lumi…
Resonances and violation in and decays in the mass region above the
LHCb collaboration, R. Aaij, B. Adeva +770
The decays of and mesons into the final state are studied in the mass region above the meson in order to determine the r…
Measurement of violation in decays
LHCb collaboration, R. Aaij, B. Adeva +767
The violation observables and in the decay channel are determined from a sample of proton-proton collisions at center-of-mass energies of 7…
Evidence for an resonance in decays
LHCb collaboration, R. Aaij, C. Abellán Beteta +842
A Dalitz plot analysis of decays is performed using data samples of collisions collected with the LHCb detector at centre-of-mass energies of $\sqrt…
Observation of azimuth-dependent suppression of hadron pairs in electron scattering off nuclei
S. J. Paul, S. Moran, M. Arratia +142
We present the first measurement of di-hadron angular correlations in electron-nucleus scattering. The data were taken with the CLAS detector and a 5.0 GeV electron beam incident o…
Differential branching fraction and angular moments analysis of the decay in the region
LHCb collaboration, R. Aaij, B. Adeva +762
Measurements of the differential branching fraction and angular moments of the decay in the invariant mass range $1330<m(K^+ Ï^-)<1530~MeV/c…
First experimental study of photon polarization in radiative decays
LHCb collaboration, R. Aaij, B. Adeva +765
The polarization of photons produced in radiative decays is studied for the first time. The data are recorded by the LHCb experiment in collisions corresponding to…
A measurement of the asymmetry difference in and decays
LHCb collaboration, R. Aaij, B. Adeva +791
The difference between the asymmetries in the decays and is presented. Proton-proton collision data…
Updated branching fraction measurements of decays
LHCb collaboration, R. Aaij, B. Adeva +776
The charmless three-body decays (where ) are analysed using a sample of collision da…
Observation of the suppressed decay
LHCb collaboration, R. Aaij, B. Adeva +768
The suppressed decay , excluding the and resonances, is observed for the first time with a signif…
Measurement of asymmetry in decays
LHCb collaboration, R. Aaij, B. Adeva +790
We report the measurements of the -violating parameters in decays observed in collisions, using a data set corresponding to an integrated lum…
Measurement of the violation parameter in and decays
LHCb collaboration, R. Aaij, B. Adeva +769
Asymmetries in the time-dependent rates of and decays are measured in a collision data sample collected with the LHCb detector during LHC R…
Observation of and decays
LHCb collaboration, R. Aaij, B. Adeva +767
The decays and are observed for the first time using a data sample corresponding to an integrated luminosity o…
Measurement of angular and CP asymmetries in and decays
LHCb collaboration, R. Aaij, B. Adeva +832
The first measurements of the forward-backward asymmetry of the dimuon pair (), the triple-product asymmetry (), and the charge-parity-conjugation asymmetry ($A_{C…
Observation of the decay and evidence for
LHCb collaboration, R. Aaij, B. Adeva +764
The first observation of the rare decay and evidence for are reported, using collision data recorded by the LHCb detector at centre-…
Measurement of forward and boson production in association with jets in proton-proton collisions at TeV
LHCb collaboration, R. Aaij, C. Abellán Beteta +739
The production of and bosons in association with jets is studied in the forward region of proton-proton collisions collected at a centre-of-mass energy of 8 TeV by the LHCb…