Measurements of cross sections and charged pion spectra in proton-carbon interactions at 31 GeV/<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>c</mml:mi></mml:math>

Abgrall, N.; Aduszkiewicz, A.; Andrieu, Bernard; Antičić, T.; Antoniou, N. G.; Argyriades, J.; Asryan, A.; Baatar, B.; Blondel, A.; Blümer, J.; Bogusz, M; Boldizsár, L.; Bravar, A.; Brooks, W. K.; Brzychczyk, J.; Bubak, A.; Bunyatov, S.A.; Busygina, O.; Cetner, T.; Choi, K.; Christakoglou, P.; Chung, P.; Czopowicz, T.; Davis, N.; Diakonos, F. Κ.; Luise, S. Di; Dominik, W.; Dumarchez, J.; Engel, R.; Ereditato, A.; Esposito, L. S.; Феофилов, Г.; Fodor, Z.; Ferrero, A.; Fulop, A.; Garrido, X.; Gaździcki, M.; Golubeva, M.; Grebieszkow, K.; Grzeszczuk, A.; Guber, F.; Hakobyan, H.; Hasegawa, T.; Igolkin, S. N.; Ivanov, A.; Ivanov, Yu. M.; Ivashkin, A.; Kadija, K.; Kapoyannis, A. S.; Katryńska, N.; Kiełczewska, D.; Kikoła, D. P.; Kim, J. H.; Kirejczyk, M.; Kisiel, J.; Kobayashi, T.; Kochebina, O.; Колесников, В. И.; Kolev, D.; Kondratiev, V.; Korzenev, A.; Kowalski, S.; Kuleshov, S.; Kurepin, A.; Lacey, R.; Łagoda, J.; László, Á.; Lyubushkin, V.; Mackowiak, M.; Majka, Z.; Malakhov, A.; Marchionni, A.; Marcinek, A.; Maris, Ioana Codrina; Marin, V.; Matulewicz, T.; Matveev, V.; Melkumov, G. L.; Meregaglia, A.; Messina, M.; Mrówczyński, S.; Murphy, S.; Nakadaira, T.; Naumenko, P. A.; Nishikawa, K.; Palczewski, T.; Pálla, G.; Panagiotou, A.; Peryt, W.; Petukhov, O.; Płaneta, R.; Pluta, J.; Popov, Б.; Posiadała, M.; Puławski, S.; Rauch, W.; Ravonel, M.; Renfordt, R.; Robert, A.; Röhrich, D.; Rondio, E.; Rossi, B.; Roth, M.; Rubbia, A.; Rybczyński, M.; Sadovsky, A.; Sakashita, K.; Sekiguchi, T.; Seyboth, P.; Shibata, M.; Sissakian, A.; Skrzypczak, E.; Słodkowski, M.; Sorin, Alexander; Staszel, P.; Stefanek, G.; Steṕaniak, J.; Strabel, C.; Ströbele, H.; Šuša, T.; Szaflik, P.; Szuba, M.; Tada, M.; Taranenko, A.; Tsenov, R.; Ulrich, R.; Unger, Michael; Vassiliou, M.; Vechernin, V.; Vesztergombi, G.; Wilczek, A.; Włodarczyk, Z.; Wojtaszek, A.; Yi, J.; Yoo, I. K.; Zipper, W.

doi:10.1103/physrevc.84.034604

Cited by 172 publications

(116 citation statements)

References 49 publications

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“…Neutrino Beam Flux-The neutrino beam flux [20] is predicted by modeling interactions of the primary beam protons with a graphite target using the FLUKA2008 package [21] and external hadron production data from the CERN NA61/SHINE experiment [22,23]. GEANT3 [24] with GCALOR [25] is used to simulate the propagation of secondary and tertiary pions and kaons, and their decays into neutrinos.…”

Section: T)mentioning

confidence: 99%

Measurement of the Inclusive Electron Neutrino Charged Current Cross Section on Carbon with the T2K Near Detector

Abe¹,

Adam²,

Aihara³

et al. 2014

Phys. Rev. Lett.

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The T2K off-axis near detector, ND280, is used to make the first differential cross-section measurements of electron neutrino charged current interactions at energies ∼1 GeV as a function of electron momentum, electron scattering angle and four-momentum transfer of the interaction. The total flux-averaged νe charged current cross-section on carbon is measured to be σ φ = 1.11 ± 0.09 (stat) ± 0.18 (syst) × 10 −38 cm 2 /nucleon. The differential and total crosssection measurements agree with the predictions of two leading neutrino interaction generators, 3 NEUT and GENIE. The NEUT prediction is 1.23 × 10 −38 cm 2 /nucleon and the GENIE prediction is 1.08 × 10 −38 cm 2 /nucleon. The total νe charged current cross-section result is also in agreement with data from the Gargamelle experiment.PACS numbers: 14.60. Pq, 14.60.Lm, 25.30.Pt, 29.40.Ka Introduction-T2K is a long baseline neutrino oscillation experiment measuring ν e appearance and ν µ disappearance from a ν µ beam. Neutrino oscillations are described by a mixing matrix parametrized by three mixing angles and a CP violating phase, δ CP [1,2]. The three mixing angles have been measured to better than 10% precision [3], and measuring δ CP is currently a major goal in neutrino physics [4].Future ν e appearance measurements can be used to search for CP violation in neutrino interactions, and these rely on precise understanding of both ν µ and ν e charged-current (CC) interaction cross-sections at energies ∼1 GeV. Many ν µ cross-section measurements have been made at the GeV scale, both of the total CC inclusive cross-section and of individual interaction modes (see Ref.[5] for a review of cross-section data, and Refs. [6][7][8] for recent results). Only the Gargamelle experiment has measured the ν e CC inclusive cross-section at the GeV scale [9], and there are currently no ν e differential crosssection results as a function of the electron kinematics. Theoretical differences are expected between ν e and ν µ cross-sections [10], and measuring these with data is critical to understand the systematic uncertainties related to the search for CP violation in the lepton sector. The uncertainty in ν e cross-sections will become increasingly important in future oscillation experiments as statistical and other systematic uncertainties are reduced.In this Letter we present the first ν e CC inclusive differential cross-section measurements for neutrinos with energy ∼1 GeV as a function of the electron momentum (p e ), electron scattering angle (cos(θ e )) and the fourmomentum transfer of the interaction (Q 2 ). The total flux-averaged CC inclusive cross-section is also presented.T2K Experiment-T2K [11] operates from the J-PARC facility in Tokai, Japan. A muon neutrino beam is produced from the decay of charged pions and kaons generated by 30 GeV proton collisions on a graphite target and focused by three magnetic horns. Downstream of the horns is the decay volume, 96 meters in length, followed by the beam dump and muon monitors (MUMON [12]). The neutrino beam illuminates ...

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Section: T)mentioning

confidence: 99%

Measurement of the Inclusive Electron Neutrino Charged Current Cross Section on Carbon with the T2K Near Detector

Abe¹,

Adam²,

Aihara³

et al. 2014

Phys. Rev. Lett.

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“…[8], Sec. II) is a wide acceptance spectrometer made of four large-volume time projection chambers (TPCs): two vertex TPCs (VTPC-1 and VTPC-2) placed in the magnetic field produced by two superconducting dipole magnets and two main TPCs (MTPC) located downstream symmetrically with respect to the beam line (Fig.…”

Section: The Experimental Setupmentioning

confidence: 99%

“…The heavy ion program investigates p + p, p + Pb, and nucleus+nucleus collisions at SPS energies, to study the onset of deconfinement and search for the critical point of strongly interacting matter. Charged pion spectra in p + C interactions at 31 GeV/c were already published [8] and used for neutrino flux prediction in T2K [9]. The measurement is performed on the data collected during the first running period in 2007.…”

Section: Introductionmentioning

confidence: 99%

Measurement of production properties of positively charged kaons in proton-carbon interactions at 31 GeV/c

Abgrall¹,

Aduszkiewicz²,

Antičić³

et al. 2012

Phys. Rev. C

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108

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Spectra of positively charged kaons in p + C interactions at 31 GeV/c were measured with the NA61/SHINE spectrometer at the CERN SPS. The analysis is based on the full set of data collected in 2007 with a graphite target with a thickness of 4% of a nuclear interaction length. Interaction cross sections and charged pion spectra were already measured using the same set of data. These new measurements in combination with the published ones are required to improve predictions of the neutrino flux for the T2K long-baseline neutrino oscillation experiment in Japan. In particular, the knowledge of kaon production is crucial for precisely predicting the (2012) a function of laboratory momentum in two intervals of the laboratory polar angle covering the range from 20 to 240 mrad. The kaon spectra are compared with predictions of several hadron production models. Using the published pion results and the new kaon data, the K + /π + ratios are computed.

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“…The rate and spectrum depend on the oscillation parameters, the incident neutrino flux, neutrino interaction cross sections, and the detector response. The initial estimate of the neutrino flux is determined by detailed simulations incorporating proton beam measurements, INGRID measurements, and the pion and kaon production measured by the NA61/SHINE [17] experiment. The ND280 detector measurement of ν µ charged current (CC) events constrains the initial flux estimates and parameters of the neutrino interaction models that affect the predicted rate and spectrum of neutrino interactions at both ND280 and SK.…”

mentioning

confidence: 99%

“…The hadron interactions are modeled with GCALOR [20]. The simulation is tuned using measurements of the primary proton beam profile and the T2K horn magnetic fields and the NA61/SHINE hadron production results [17]. The beam direction and neutrino rate per proton on target are monitored continuously with IN-GRID, and the variations are less than the assigned systematic uncertainties [21].…”

mentioning

confidence: 99%

Measurement of Neutrino Oscillation Parameters from Muon Neutrino Disappearance with an Off-Axis Beam

Abe¹,

Adam²,

Aihara³

et al. 2013

Phys. Rev. Lett.

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3The T2K collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are used to constrain the neutrino flux and cross section parameters. The Super-Kamiokande far detector, which is 295 km downstream of the neutrino production target, collected data corresponding to 3.01 × 10 20 protons on target. In the absence of neutrino oscillations, 205 ± 17 (syst.) events are expected to be detected while only 58 muon neutrino event candidates are observed. A fit to the neutrino rate and energy spectrum assuming three neutrino flavors and normal mass hierarchy yields a best-fit mixing angle sin 2 (θ23) = 0.514 ± 0.082 and mass splitting |∆m 2 32 | = 2.44−0.15 × 10 −3 eV 2 /c 4 . Our result corresponds to the maximal oscillation disappearance probability.

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Measurements of cross sections and charged pion spectra in proton-carbon interactions at 31 GeV/c

Cited by 172 publications

References 49 publications

Measurement of the Inclusive Electron Neutrino Charged Current Cross Section on Carbon with the T2K Near Detector

Measurement of the Inclusive Electron Neutrino Charged Current Cross Section on Carbon with the T2K Near Detector

Measurement of production properties of positively charged kaons in proton-carbon interactions at 31 GeV/c

Measurement of Neutrino Oscillation Parameters from Muon Neutrino Disappearance with an Off-Axis Beam

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