First Measurements of Inclusive Muon Neutrino Charged Current Differential Cross Sections on Argon
C. Anderson, M. Antonello, B. Baller, T. Bolton, C. Bromberg, F. Cavanna, E. Church, D. Edmunds, A. Ereditato, S. Farooq, B. Fleming, H. Greenlee, R. Guenette, … 展开作者
C. Anderson, M. Antonello, B. Baller, T. Bolton, C. Bromberg, F. Cavanna, E. Church, D. Edmunds, A. Ereditato, S. Farooq, B. Fleming, H. Greenlee, R. Guenette, S. Haug, G. Horton-Smith, C. James, E. Klein, K. Lang, P. Laurens, S. Linden, D. McKee, R. Mehdiyev, B. Page, O. Palamara, K. Partyka, A. Patch, G. Rameika, B. Rebel, B. Rossi, M. Soderberg, J. Spitz, A. M. Szelc, M. Weber, T. Yang, G. Zeller
The ArgoNeuT collaboration presents the first measurements of inclusive muon neutrino charged current differential cross sections on argon. Obtained in the NuMI neutrino beamline at Fermilab, the results are reported in terms of outgoing muon angle and momentum. The data are consistent with the Monte Carlo expectation across the full range of kinematics sampled, $0^\circ$$<θ_μ$$<36^\circ$ and 0$<P_μ$$<25$ GeV/c. Along with confirming the viability of liquid argon time projection chamber technology for neutrino detection, the measurements allow tests of low energy neutrino scattering models important for interpreting results from long baseline neutrino oscillation experiments designed to investigate CP violation and the orientation of the neutrino mass hierarchy.
Measurement of the cross-section and forward-backward charge asymmetry for the b and c-quark in e+e- annihilation with inclusive muons at sqrt(s) = 58 GeV
A Precise Measurement of the Muon Neutrino-Nucleon Inclusive Charged Current Cross-Section off an Isoscalar Target in the Energy Range 2.5 < E_ν< 40 GeV by NOMAD
First inclusive triple-differential measurement of the muon-antineutrino charged-current cross section using the NOvA Near Detector
Erciyes University（埃尔吉耶斯大学）；Universidad del Atlantico（大西洋大学）；University of Mississippi（密西西比大学）；Fermi National Accelerator Laboratory（费米国家加速器实验室）；Joint Institute for Nuclear Research（联合核研究所）；Universidad del Magdalena（马格达莱纳大学）；University of Sussex（萨塞克斯大学）；University of Cincinnati（辛辛那提大学）；University of California at Irvine（加州大学尔湾分校）；University of Hyderabad（海得拉巴大学）
Measurement of the muon charge asymmetry in inclusive $pp \rightarrow W + X$ production at $\sqrt{s} = 7$ TeV at CMS and an improved determination of light parton distribution functions
The X-ARAPUCA device is the baseline choice for the photon detection system of the first far detector module of the DUNE experiment. We present the results of the first complete characterization of a small scale X-ARAPUCA prototype, which is a slice of a full DUNE module. Its total detection efficiency in liquid argon was measured with three different ionizing radiations: $α$ particles, $γ$'s and muons and resulted to be $\sim$2.2% when the active silicon photomultipliers were biased at +5.0 V of over voltage, corresponding to a Photon Detection Efficiency around 50% at room temperature. This …
A set of measurements of azimuthal asymmetries in the production of pairs of identified hadrons in deep-inelastic scattering of muons on transversely polarised $^6$LiD (deuteron) and NH$_3$ (proton) targets is presented. All available data collected in the years 2002-2004 and 2007/2010 with the COMPASS spectrometer using a muon beam of 160 GeV/$c$ at the CERN SPS were analysed. The asymmetries provide access to the transversity distribution functions via a fragmentation function that in principle may be independently obtained from $e^+e^-$ annihilation data. Results are presented, discussed an…
Measurement of the muon charge asymmetry in inclusive pp to WX production at sqrt(s) = 7 TeV and an improved determination of light parton distribution functions
Measurement of the inclusive W+- and Z/gamma cross sections in the electron and muon decay channels in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
MINERvA presents a new analysis of inclusive charged-current neutrino interactions on a hydrocarbon target. We report single and double-differential cross sections in muon transverse and longitudinal momentum. These measurements are compared to neutrino interaction generator predictions from GENIE, NuWro, GiBUU, and NEUT. In addition, comparisons against models with different treatments of multi-nucleon correlations, nuclear effects, resonant pion production, and deep inelastic scattering are presented. The data recorded corresponds to $10.61\times10^{20}$ protons on target with a peak neutrin…
New model comparison for semi-inclusive charged-current electron and muon neutrino scattering by $^{40}$Ar in the energy range of the MicroBooNE experiment
We report a measurement of the branching fraction of inclusive semileptonic $B$ meson decays $B\to X_c\ellν\ell$ in $Υ(4S)\to B\bar B$~data recorded by the Belle II experiment at the SuperKEKB asymmetric-energy $e^+e^-$ collider and corresponding to 62.8 fb$^{-1}$ of integrated luminosity. Only a charged lepton (electon or muon) is reconstructed and the signal yield is determined from a fit to the lepton momentum distribution in the center-of-mass frame of the colliding beams. Averaging the result in the electron and muon channels, we find ${\cal B}(B\to X_c\ellν_\ell) = (9.75\pm 0.03(\text{st…
We report a measurement of the energy-dependent total charged-current cross section $σ\left(E_ν\right)$ for inclusive muon neutrinos scattering on argon, as well as measurements of flux-averaged differential cross sections as a function of muon energy and hadronic energy transfer ($ν$). Data corresponding to 5.3$\times$10$^{19}$ protons on target of exposure were collected using the MicroBooNE liquid argon time projection chamber located in the Fermilab Booster Neutrino Beam with a mean neutrino energy of approximately 0.8 GeV. The mapping between the true neutrino energy $E_ν$ and reconstruct…
In this article, we describe a modified implementation of Mask Region-based Convolutional Neural Networks (Mask-RCNN) for cosmic ray muon clustering in a liquid argon TPC and applied to MicroBooNE neutrino data. Our implementation of this network, called sMask-RCNN, uses sparse submanifold convolutions to increase processing speed on sparse datasets, and is compared to the original dense version in several metrics. The networks are trained to use wire readout images from the MicroBooNE liquid argon time projection chamber as input and produce individually labeled particle interactions within t…
This paper presents a graph neural network (GNN) technique for low-level reconstruction of neutrino interactions in a Liquid Argon Time Projection Chamber (LArTPC). GNNs are still a relatively novel technique, and have shown great promise for similar reconstruction tasks in the LHC. In this paper, a multihead attention message passing network is used to classify the relationship between detector hits by labelling graph edges, determining whether hits were produced by the same underlying particle, and if so, the particle type. The trained model is 84% accurate overall, and performs best on the …
Gran Sasso地下实验室的DarkSide（DS）是一个基于TPC的直接暗物质搜索计划，该计划使用来自地下源的液态氩。装有50公斤液态氩的DS-50 TPC安装在中子和μ子探测器内。DS-50自2013年11月以来一直在收集数据，收集了超过10^7个与大气氩有关的事件。该数据代表暴露于最大背景，39 Ar的β衰变，与使用地下氩气的DS-50的完整3年运行相当。当用一个阈值进行分析时，在100 GeV的WIMP质量下，整个运行的灵敏度约为10^-45 cm 2，没有观察到39 Ar背景。我们目前的检测器的设计和性能，从大气氩气运行的结果和计划的高档到一个多吨的检测器及其灵敏度。
Measurement of charged-current muon neutrino-argon interactions without pions in the final state using the MicroBooNE detector
Tufts University（塔夫茨大学）；Illinois Institute of Technology (IIT)（伊利诺伊理工学院）；The University of Manchester（曼彻斯特大学）；University of Texas, Arlington（德克萨斯大学阿灵顿分校）；Tel Aviv University（特拉维夫大学）；Fermi National Accelerator Laboratory (FNAL)（费米国家加速器实验室）；University of Oxford（牛津大学）；University of Minnesota（明尼苏达大学）；Imperial College London（伦敦帝国学院）；South Dakota School of Mines and Technology (SDSMT)（南达科他矿业和理工学院）；Michigan State University（密歇根州立大学）；University of Chicago（芝加哥大学）
ProtoDUNE-DP is a 6x6x6 m3 liquid argon time-projection-chamber (LArTPC) operated at the Neutrino Platform at CERN in 2019-2020 as a prototype of the DUNE Far Detector. DUNE is a dual-site experiment for long-baseline neutrino oscillation studies, neutrino astrophysics and nucleon decay searches. The light signal in these detectors is crucial to provide precise timing capabilities. In ProtoDUNE-DP, scintillation light produced by cosmic muons inthe LArTPC is collected by the photomultiplier tubes (PMTs) placed up to 7 m away from the point of interaction. The scintillation light production and…
The use of xenon-doped liquid argon is a promising alternative for large pure liquid-argon TPCs. Not only xenon-doped liquid argon enhances the light production, mitigating the possible suppression due to impurities, but also it increases the wavelength of the scintillation light, enlarging the effective Rayleigh scattering length and improving the detection uniformity. ProtoDUNE Dual-Phase is a 300-ton active volume LAr TPC, a prototype for the Deep Underground Neutrino Experiment (DUNE), a dual-site experiment for long-baseline neutrino oscillation studies, neutrino astrophysics and nucleon …
Experimental data of charged current inclusive neutrino cross sections on argon as a function of different variables have recently appeared. We have compared them to our theoretical approach. Overall we find an agreement in spite of a tendency of underestimation in some specific regions. A new aspect is the availability of data in terms of the energy transfer to the nucleus, which allows a better separation of the different reaction mechanisms. We explain the deterioration of agreement in specific kinematical conditions by the absence in our model of two-pion production and other inelastic cha…
