[PDF] Top 20 Recent results from the LHCf experiment

... generated from UPC, so this contribution must be sub- tracted to extract QCD ...TeV from data in p-p collisions at ...comparison. Results indicate that spectra in p-Pb collisions are harder than ... See full document

... In the atmospheric sector, the disappearance of muon neutrinos was first established by the Super- Kamiokande experiment [1] and then confirmed with accelerators by K2K [2] and MINOS [3] long- baseline experiments. ... See full document

... ATLAS has also studied production of prompt photons produced in Pb+Pb collisions [17]. Prompt photons have two primary sources: direct emission via quark-gluon Compton scattering or quark- antiquark annihilation, or in ... See full document

... far from the area covered by the array, we require at least 12 out of the inner 127 detectors should have triggered their discriminators within 1 µs of the Level-0 ...pulses from each detector ... See full document

... electron (top) and positron (bottom) fluxes as a function of energy, multiplied by the cube of the energy, compared to previous measurements. The electron flux is shown from 0.5 GeV up to 700 GeV, while the ... See full document

... Bay experiment is described in details in [29, ...Bay experiment uses three-zones antineutrino detectors (AD) schematically shown in the left panel of ... See full document

... profits from the fact that the water-ice interface at the bottom of the shelf-ice acts as a mirror for the radio emission and the antennas can be installed on top of the ice (see Figure 1), which has the advantage ... See full document

... In the right panel of Figure 5, J/Ψ nuclear modification factor in Au-Au and Pb-Pb colli- sions as a function of collision centrality is presented . At RHIC top energy, the J/Ψ produc- tion is strongly suppressed and the ... See full document

... counting experiment of events in the signal region of the dimuon mass distribution for both B ...backgrounds from other B decays, while combinatorial backgrounds are evaluated from the data in ... See full document

... beta spectrum. This model was also validated using independent calibration data, include the Michel electron, the β+γ continuous spectra from Bi and Tl decays, and the Compton scattering electron data. Figure 4 ... See full document

... In the analysis two Monte Carlo (MC) samples are used, which simulate respectively the signal B ± → J /ψ K ± → μ + μ − K ± and the backgrounds from b b ¯ production, with b b ¯ → J /ψ X → μ + μ − X, which are ... See full document

... The LHCf experiment has successfully measured the energy spectra of photon emitted in the very forward region of the LHC proton-proton collisions in ...the results of √ s = 7 TeV collision at the LHC ... See full document

... experimental results are compared to predictions given by the P  - based event generators [50–52], which model the underly- ing event activity in di ff erent ... See full document

... of results on total multiplicities of light nuclei has up to now prevented a straightforward and quantitative test of the applicability of the statistical model approach to light nuclei production in the SPS ... See full document

... The hadron forward (HF) calorimeters cover the region 2.9 < | η | < 5.2 and consist of 2 × 432 readout towers, each containing a long and a short quartz fiber embedded within a steel absorber running parallel to ... See full document

... (12%, from beam-beam scans), trigger (5%) and lepton identi- fication (4%), and jet energy scale ...extracted from the event counts, once backgrounds are accounted ... See full document

... Contribution from two different origins in the LHCf photon observations are studied by using different interaction models as shown in ...the LHCf result almost equally and the detail is model ...the ... See full document

... the results from these experi- ments at two Q 2 ...HAPPEX experiment only sensitive to G s E and the almost vertical bands are backward angle hydrogen mainly sensitive to G ... See full document

... SIII results of the masses and widths of the X(p p) [30], ¯ X(1810) [34], X(1835) [37] and X(1870) [38] are dis- played in ...different from any of ... See full document

... events from cosmic rays or surrounding rocks, and the ID is the main neutrino detector, which demonstrates excellent µ/e separation allowing Cherenkov rings produced by muons ...5) from neutrino ... See full document