Publications (128)
An alternative scheme for effective range corrections in pionless EFT
M. Ebert, H. -W. Hammer, A. Rusetsky
We discuss an alternative scheme for including effective range corrections in pionless effective field theory. The standard approach treats range terms as perturbative insertions i…
An alternative scheme for pionless EFT: neutron-deuteron scattering in the doublet S-wave
M. Ebert, H. -W. Hammer, A. Rusetsky
Using the effective-range expansion for the two-body amplitudes may generate spurious sub-threshold poles outside of the convergence range of the expansion. In the infinite volume,…
Mid-infrared circumstellar emission of the long-period Cepheid l Carinae resolved with VLTI/MATISSE
V. Hocdé, N. Nardetto, A. Matter +149
The nature of circumstellar envelopes (CSE) around Cepheids is still a matter of debate. The physical origin of their infrared (IR) excess could be either a shell of ionized gas, o…
Precision measurement of the ratio
J. P. Lees, V. Poireau, V. Tisserand +238
We report on a precision measurement of the ratio using data collected with the BaBar detector…
The Physics of the B Factories
A. J. Bevan, B. Golob, Th. Mannel +2003
This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…
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…
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…
First Observation of CP Violation in B0->D(*)CP h0 Decays by a Combined Time-Dependent Analysis of BaBar and Belle Data
The BaBar, Belle Collaborations, : +471
We report a measurement of the time-dependent CP asymmetry of B0->D(*)CP h0 decays, where the light neutral hadron h0 is a pi0, eta or omega meson, and the neutral D meson is recon…
MATISSE, the VLTI mid-infrared imaging spectro-interferometer
B. Lopez, S. Lagarde, R. G. Petrov +150
Context:Optical interferometry is at a key development stage. ESO's VLTI has established a stable, robust infrastructure for long-baseline interferometry for general astronomical o…
Data Preservation in High Energy Physics
T. Basaglia, M. Bellis, J. Blomer +51
Data preservation is a mandatory specification for any present and future experimental facility and it is a cost-effective way of doing fundamental research by exploiting unique da…
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…
Two Cold Atoms in a Time-Dependent Harmonic Trap in One Dimension
M. Ebert, A. Volosniev, H. -W. Hammer
We analyze the dynamics of two atoms with a short-ranged pair interaction in a one-dimensional harmonic trap with time-dependent frequency. Our analysis is focused on two represent…
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 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$…
Observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K-
The BABAR Collaboration, J. P. Lees, V. Poireau +384
We report the observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K- with a significance larger than 7 standard deviations based on 471x10^6$ BBbar pairs collected…
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…
Search for with the BABAR experiment
The BABAR Collaboration, J. P. Lees, V. Poireau +235
We search for the rare flavor-changing neutral current process using data from the BABAR experiment. A total of 424 fb of …
Search for lepton-flavor violating decays
BaBar Collaboration, J. P. Lees, V. Poireau +238
We present a search for seven lepton-flavor-violating neutral charm decays of the type , where represents a , $K^{0}_{\rm S…
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…
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\…
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…
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…
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 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…
Study of radiative bottomonium transitions using converted photons
The BABAR Collaboration, J. P. Lees, V. Poireau +388
We use 111+/-1 million Upsilon(3S) and 89+/-1 million Upsilon(2S) events recorded by the BaBar detector at the PEP-II B-factory at SLAC to perform a study of radiative transitions…
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…
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…
Initial-State Radiation Measurement of the e+e- -> pi+pi-pi+pi- Cross Section
J. P. Lees, V. Poireau, V. Tisserand +383
We study the process e+e- -> pi+pi-pi+pi-gamma, with a photon emitted from the initial-state electron or positron, using 454.3 fb^-1 of data collected with the BABAR detector at SL…
Trading leads to scale-free self-organization
M. Ebert, W. Paul
Financial markets display scale-free behavior in many different aspects. The power-law behavior of part of the distribution of individual wealth has been recognized by Pareto as ea…
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 $\sqrt{s} = 13 \,{\ma…
Search for hadronic decays of a light Higgs boson in the radiative decay Upsilon --> gamma A0
The BABAR Collaboration, J. P. Lees, V. Poireau +385
We search for hadronic decays of a light Higgs boson (A0) produced in radiative decays of an Upsilon(2S) or Upsilon(3S) meson, Upsilon --> gamma A0. The data have been recorded by…
Measurement of matter-antimatter differences in beauty baryon decays
LHCb collaboration, R. Aaij, B. Adeva +762
Differences in the behaviour of matter and antimatter have been observed in and meson decays, but not yet in any baryon decay. Such differences are associated with the non-…
Measurement of branching fractions of charmless four-body and decays
LHCb collaboration, R. Aaij, B. Adeva +794
A search for charmless four-body decays of and baryons with a proton and three charged mesons (either kaons or pions) in the final state is performed. The…
A search for weakly decaying b-flavored pentaquarks
LHCb collaboration, R. Aaij, B. Adeva +790
Investigations of the existence of pentaquark states containing a single (anti)quark decaying weakly into four specific final states J/, J/, J/$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…
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…
First Light for GRAVITY: Phase Referencing Optical Interferometry for the Very Large Telescope Interferometer
GRAVITY Collaboration, R. Abuter, M. Accardo +130
GRAVITY is a new instrument to coherently combine the light of the European Southern Observatory Very Large Telescope Interferometer to form a telescope with an equivalent 130 m di…
A Measurement of the Semileptonic Branching Fraction of the B_s Meson
The BaBar Collaboration, J. P. Lees, V. Poireau +383
We report a measurement of the inclusive semileptonic branching fraction of the B_s meson using data collected with the BaBar detector in the center-of-mass (CM) energy region abov…
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…
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…
Measurements of the Absolute Branching Fractions of
J. P. Lees, V. Poireau, V. Tisserand +232
A study of the two body decays , where X refers to one charmonium state, is reported by BaBar collaboration using a data sample of 42…
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…
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…
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…
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…
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$^{…
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…
Test of Einstein equivalence principle near the Galactic center supermassive black hole
A. Amorim, M. Bauböck, J. P. Berger +49
During its orbit around the four million solar mass black hole Sagittarius A* the star S2 experiences significant changes in gravitational potential. We use this change of potentia…
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…
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…
GRAVITY chromatic imaging of Eta Car's core
GRAVITY Collaboration, J. Sanchez-Bermudez, G. Weigelt +132
Eta Car is one of the most intriguing luminous blue variables in the Galaxy. Observations and models at different wavelengths suggest a central binary with a 5.54 yr period residin…
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…
Model-independent extraction of form factors and in with hadronic tagging at BaBar
BaBar Collaboration, J. P. Lees, V. Poireau +208
Using the entire BaBar data set, the first two-dimensional unbinned angular analysis of the semileptonic decay is perf…
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…
Evidence for the decay B0 --> omega omega and search for B0 --> omega phi
The BABAR Collaboration, J. P. Lees, V. Poireau +333
We describe searches for B meson decays to the charmless vector-vector final states omega omega and omega phi with 471 x 10^6 B Bbar pairs produced in e+ e- annihilation at sqrt(s)…
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…
Observation of Time Reversal Violation in the B0 Meson System
The BABAR Collaboration, J. P. Lees, V. Poireau +364
Although CP violation in the B meson system has been well established by the B factories, there has been no direct observation of time reversal violation. The decays of entangled n…
Coherence and Rydberg blockade of atomic ensemble qubits
M. Ebert, M. Kwon, T. G. Walker +1
We demonstrate state encoding of multi-atom ensemble qubits. Using optically trapped Rb atoms the coherence time is 2.6(3) ms for atoms and scales ap…
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 the -quark production cross-section in 7 and 13 TeV collisions
LHCb collaboration, R. Aaij, B. Adeva +766
Measurements of the cross-section for producing \bquark quarks in the reaction are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapi…
First evidence for and resolution of the CKM Unitarity Triangle ambiguity by a time-dependent Dalitz plot analysis of with decays
The BaBar, Belle Collaborations, : +422
We present first evidence that the cosine of the CP-violating weak phase is positive, and hence exclude trigonometric multifold solutions of the CKM Unitarity Triangle using…
First observation of forward production in collisions at TeV
LHCb collaboration, R. Aaij, B. Adeva +804
The decay is reconstructed in collision data, corresponding to 2 fb of integrated luminosity, collected by the LHCb experiment at a centre-of-…
Measurement of the production asymmetry and the asymmetry in decays
LHCb collaboration, R. Aaij, B. Adeva +764
The meson production asymmetry in collisions is measured using decays. The data were recorded by the LHCb experiment during Run 1 of the LHC…
Search for the suppressed decays and
LHCb collaboration, R. Aaij, B. Adeva +761
A search is made for the highly-suppressed B meson decays and using a data sample corresponding to an integ…
Search for rare or forbidden decays of the meson
J. P. Lees, V. Poireau, V. Tisserand +234
We present a search for nine lepton-number-violating and three lepton-flavor-violating neutral charm decays of the type …
Graphene Electro-Absorption Modulators for Energy-Efficient and High-Speed Optical Transceivers
M. Tiberi, A. Montanaro, C. Wen +19
The increasing demand for energy-efficient hardware for artificial intelligence (AI) and data centres requires integrated photonic solutions delivering optical transceivers with Tb…
Characterizing Exoplanets in the Visible and Infrared: A Spectrometer Concept for the EChO Space Mission
A. M. Glauser, R. van Boekel, O. Krause +30
Transit-spectroscopy of exoplanets is one of the key observational techniques to characterize the extrasolar planet and its atmosphere. The observational challenges of these measur…
Study of production in jets
LHCb collaboration, R. Aaij, B. Adeva +774
The production of mesons in jets is studied in the forward region of proton-proton collisions using data collected with the LHCb detector at a center-of-mass energy of 13 Te…
Observation of the decay and evidence for
LHCb collaboration, R. Aaij, B. Adeva +762
A study of and decays is performed using collision data corresponding to an integrated luminosity of 3.0$\,\rm fb…
The asymmetric inner disk of the Herbig Ae star HD 163296 in the eyes of VLTI/MATISSE: evidence for a vortex?
J. Varga, M. Hogerheijde, R. van Boekel +133
Context. The inner few au region of planet-forming disks is a complex environment. High angular resolution observations have a key role in understanding the disk structure and the…
Updated determination of - mixing and CP violation parameters with decays
LHCb collaboration, R. Aaij, B. Adeva +792
We report measurements of charm-mixing parameters based on the decay-time-dependent ratio of to rates. The analysis uses a data sample of proton-p…
Observation of five new narrow states decaying to
LHCb collaboration, R. Aaij, B. Adeva +772
The mass spectrum is studied with a sample of collision data corresponding to an integrated luminosity of 3.3 fb, collected by the LHCb experiment. The $Î…
Search for direct CP-violation in singly-Cabibbo suppressed D+- --> K+ K- pi+- decays
BaBar Collaboration, J. P. Lees, V. Poireau +359
We report on a search for direct CP asymmetry in the singly Cabibbo-suppressed decay D+- --> K+ K- pi+- using a data sample of 476 fb-1 accumulated with the BaBar detector running…
Measurement of the ratio of branching fractions and difference in asymmetries of the decays and
LHCb collaboration, R. Aaij, B. Adeva +764
The ratio of branching fractions and the difference in asymmetries of the decays and are measured using a data sample of collisions col…
Measurement of observables in and decays
LHCb collaboration, R. Aaij, B. Adeva +803
Measurements of observables in and decays are presented, where indicates a neutral or …
Measurement of , , and production asymmetries in 7 and 8 TeV proton-proton collisions
LHCb collaboration, R. Aaij, B. Adeva +763
The , , and hadron production asymmetries are measured using a data sample corresponding to an integrated luminosity of 3.0 fb, collected by the L…
Study of the decay and its intermediate states
The Babar Collaboration, J. P. Lees, V. Poireau +351
We study the decay , reconstructing the Î_{c}^{+} baryon in the mode, using a data sample of $467\times 10^{6}…
Updated search for long-lived particles decaying to jet pairs
LHCb collaboration, R. Aaij, B. Adeva +766
A search is presented for long-lived particles with a mass between 25 and 50 GeV/ and a lifetime between 2 and 500 ps, using proton-proton collision data corresponding to an i…
Branching fraction and form-factor shape measurements of exclusive charmless semileptonic B decays, and determination of |V_{ub}|
BABAR Collaboration, J. P. Lees, V. Poireau +361
We report the results of a study of the exclusive charmless semileptonic decays, B^0 --> pi^- l^+ nu, B^+ --> pi^0 l^+ nu, B^+ --> omega l^+ nu, B^+ --> eta l^+ nu and B^+ --> eta^…
Measurement of in with decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data
The BaBar, Belle Collaborations, : +407
We report measurements of and from a time-dependent Dalitz plot analysis of with decays, where the…
Measurement of asymmetries in and decays
LHCb collaboration, R. Aaij, B. Adeva +770
A search for violation in and decays is performed using proton-proton collision data, c…
and resonance parameters with the decays
LHCb collaboration, R. Aaij, B. Adeva +797
The decays and are observed and used to study the resonance parameters of the and mesons…
Observation of decays
LHCb collaboration, R. Aaij, B. Adeva +763
Using proton-proton collision data corresponding to an integrated luminosity of 3.0 fb, recorded by the LHCb detector at centre-of-mass energies of 7 and 8 TeV, the $B_{c}^{…
Measurement of the ratio of the and branching fractions using three-prong -lepton decays
LHCb collaboration, R. Aaij, B. Adeva +806
The ratio of branching fractions is measured using a data sample of proton-proton…
First observation of decays and a search for decays
LHCb collaboration, R. Aaij, B. Adeva +797
A search for decays is performed using collision data corresponding to an integrated luminosity of 4.8 fb, collected at centre-of-mass ene…