580 California St., Suite 400
San Francisco, CA, 94104
In this paper we revisit the idea of measuring the magnetic dipole moments of the charm baryons and, in particular, of Λ + c by studying the spin precession induced by the strong effective magnetic field inside the channels of a bent... more
The ALICE Collaboration has studied the inclusive production of the charmonium state ψ(2S) in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy √ s NN = 5.02 TeV at the CERN LHC. The measurement was performed at... more
Time-integrated CP asymmetries in D 0 decays to the final states K -K + and π -π + are measured using proton-proton collisions corresponding to 3 fb -1 of integrated luminosity collected at centre-of-mass energies of 7 TeV and 8 TeV. The... more
The decay B 0 → DK *0 and the charge conjugate mode are studied using 1.0 fb−1 of pp collision data collected by the LHCb experiment at $ \sqrt{s}=7 $ TeV in 2011. The CP asymmetry between the B 0 → DK *0 and the $ {{\overline{B}}^0}\to... more
We search for CP violation in a sample of 20,000 Cabibbo-suppressed decays, D + → K + K 0 S π + π -, and 30,000 Cabibbo-favored decays, D + s → K + K 0 S π + π -. We use 520 fb -1 of data recorded by the BABAR detector at the PEP-II... more
Inclusive J/ψ production has been studied with the ALICE detector in p-Pb collisions at the nucleon-nucleon center of mass energy √ s NN = 5.02 TeV at the CERN LHC. The measurement is performed in the center of mass rapidity domains 2.03... more
We search for CP violation in a sample of 20,000 Cabibbo-suppressed decays, D + → K + K 0 S π + π -, and 30,000 Cabibbo-favored decays, D + s → K + K 0 S π + π -. We use 520 fb -1 of data recorded by the BABAR detector at the PEP-II... more
The production of prompt charmed mesons D 0 , D + and D * + , and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at the centre-of-mass energy per nucleon pair, √ s NN , of 2.76 TeV. The production yields for... more
Measurements of charm mixing parameters from the decay-time-dependent ratio of rates and the charge-conjugate ratio are reported. The analysis uses data, corresponding to 3 fb À1 of integrated luminosity, from proton-proton collisions at... more
We have performed the first measurement of the coherent ψ(2S) photo-production cross section in ultraperipheral Pb-Pb collisions at the LHC. This charmonium excited state is reconstructed via the ψ(2S) → l + land ψ(2S) → J/ψπ + π -decays,... more
The ALICE Collaboration has studied the inclusive production of the charmonium state ψ(2S) in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy √ s NN = 5.02 TeV at the CERN LHC. The measurement was performed at... more
Measurements are reported of the central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at a centre-of-mass energy of 13 TeV. Backgrounds are significantly reduced compared to previous measurements made at lower energies... more
A measurement of the$$ {\varXi}_{cc}^{++} $$Ξcc++mass is performed using data collected by the LHCb experiment between 2016 and 2018 inppcollisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.6... more
The production of prompt charmed mesons D 0 , D + and D * + , and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at the centre-of-mass energy per nucleon pair, √ s NN , of 2.76 TeV. The production yields for... more
The first model-independent measurement of the charm mixing parameters in the decay D 0 → K 0 S π + π − is reported, using a sample of pp collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 1.0 fb... more
Inclusive J/ψ production has been studied with the ALICE detector in p-Pb collisions at the nucleon-nucleon center of mass energy √ s NN = 5.02 TeV at the CERN LHC. The measurement is performed in the center of mass rapidity domains 2.03... more
The first model-independent measurement of the charm mixing parameters in the decay D 0 → K 0 S π + π − is reported, using a sample of pp collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 1.0 fb... more
A sensitive search for the rare decays Ω − → Λπ − and Ξ 0 → pπ − has been performed using data from the 1997 run of the HyperCP (Fermilab E871) experiment. Limits on other such processes do not exclude the possibility of observable rates... more
The production of prompt charmed mesons D 0 , D + and D * + , and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at the centre-of-mass energy per nucleon pair, √ s NN , of 2.76 TeV. The production yields for... more
The ratios of the branching fractions of the decays $\Lambda_{c}^{+} \rightarrow p \pi^{-} \pi^{+}$, $\Lambda_{c}^{+} \rightarrow p K^{-} K^{+}$, and $\Lambda_{c}^{+} \rightarrow p \pi^{-} K^{+}$ with respect to the Cabibbo-favoured... more
The production cross sections for prompt open-charm mesons in proton-proton collisions at a center-of-mass energy of 13 TeV are reported. The measurement is performed using a data sample collected by the CMS experiment corresponding to an... more
Time-dependent CP asymmetries in the decay rates of the singly Cabibbosuppressed decays D 0 → K − K + and D 0 → π − π + are measured in pp collision data corresponding to an integrated luminosity of 3.0 fb −1 collected by the LHCb... more
The ALICE Collaboration has studied the inclusive production of the charmonium state ψ(2S) in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy √ s NN = 5.02 TeV at the CERN LHC. The measurement was performed at... more
The inclusive$$ b\overline{b} $$bb¯- and$$ c\overline{c} $$cc¯-dijet production cross-sections in the forward region ofppcollisions are measured using a data sample collected with the LHCb detector at a centre-of-mass energy of 13 TeV in... more
In this note, we compile results of various simulation studies for the upgrade of the Belle detector. Based on these studies, we propose a set of optimum or appropriate parameters of the detector.
Measurement of matter-antimatter di erences in beauty baryon decays The LHCb collaboration † Di erences in the behaviour of matter and antimatter have been observed in K and B meson decays, but not yet in any baryon decay. Such di erences... more
The $$ {\varXi}_{cc}^{++}\to {\varXi}_c^{\prime +}{\pi}^{+} $$ Ξ cc + + → Ξ c ′ + π + decay is observed using proton-proton collisions collected by the LHCb experiment at a centre-of-mass energy of 13 TeV, corresponding to an integrated... more
In data taken with the NA48 experiment at the CERN SPS in 1999, 730 candidates of the weak radiative hyperon decay Ξ 0 → Λγ have been found with an estimated background of 58 ± 8 events. From these events the Ξ 0 → Λγ decay asymmetry has... more
The difference between the CP asymmetries in the decays Λ c + → pK − K + and Λ c + → pπ − π + is presented. Proton-proton collision data taken at centre-of-mass energies of 7 and 8 TeV collected by the LHCb detector in 2011 and 2012 are... more
A measurement of the$$ {\varXi}_{cc}^{++} $$Ξcc++mass is performed using data collected by the LHCb experiment between 2016 and 2018 inppcollisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.6... more
Measurements are reported of the central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at a centre-of-mass energy of 13 TeV. Backgrounds are significantly reduced compared to previous measurements made at lower energies... more
A measurement of the$$ {\varXi}_{cc}^{++} $$Ξcc++mass is performed using data collected by the LHCb experiment between 2016 and 2018 inppcollisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.6... more
Measurements are reported of the central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at a centre-of-mass energy of 13 TeV. Backgrounds are significantly reduced compared to previous measurements made at lower energies... more
The difference between the CP asymmetries in the decays Λ c + → pK − K + and Λ c + → pπ − π + is presented. Proton-proton collision data taken at centre-of-mass energies of 7 and 8 TeV collected by the LHCb detector in 2011 and 2012 are... more
Though not considered in general, purely baryonic decays could shed light on the puzzle of the baryon number asymmetry in the universe by means of a better understanding of the baryonic nature of our matter world. As such, they constitute... more
The direct CP asymmetries of the decays B 0 → K * 0 µ + µ − and B + → K + µ + µ − are measured using pp collision data corresponding to an integrated luminosity of 3.0 fb −1 collected with the LHCb detector. The respective control modes B... more
Using a sample of 232×10 6 Υ(4S) → BB events collected with the BABAR detector at the PEP-II B-factory we study the decay B − → [K + π − ] D K * − where the K + π − is either from a Cabibbo-favoredD 0 decay or doublysuppressed D 0 decay.... more