2006
DOI: 10.1016/j.nuclphysb.2005.10.016
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Measurement of the production cross-section of positive pions in p–Al collisions at

Abstract: A precision measurement of the double-differential production cross-section, d2 σ π + /dpdΩ, for pions of positive charge, performed in the HARP experiment is presented. The incident particles are protons of 12.9 GeV/c momentum impinging on an aluminium target of 5% nuclear interaction length. The measurement of this cross-section has a direct application to the calculation of the neutrino flux of the K2K experiment. After cuts, 210 000 secondary tracks reconstructed in the forward spectrometer were used in th… Show more

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Cited by 71 publications
(52 citation statements)
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“…The Beam ToF system [5] provides time measurements for beam particles and gives the arrival time of the beam particle at the target in the common time reference frame of the detector.…”
Section: B Conversion Of Tdc Measurements To Particle Tofmentioning
confidence: 99%
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“…The Beam ToF system [5] provides time measurements for beam particles and gives the arrival time of the beam particle at the target in the common time reference frame of the detector.…”
Section: B Conversion Of Tdc Measurements To Particle Tofmentioning
confidence: 99%
“…is the uncertainty of the arrival time of beam particle at the target, estimated to be ps [5]; and represents the uncertainty introduced by the TPC track reconstruction. Strictly speaking, this does not represent an uncertainty in the measurement of time in the TPC, but in the prediction of the ToF of the particle based on track-length and momentum measurements in the TPC.…”
Section: B Overall Time Resolution Of the Barrel Tof Systemmentioning
confidence: 99%
“…The time-of-flight of each track from the nuclear target to the TOFW is determined by combining the TOFW and BTOF systems, The selection of TOFW hits has been designed to address a significant non-Gaussian component to the TOFW response that was reported in [57]. As with the CHE, the hit selection was previously based entirely on geometric matching between TOFW hits and track parameters.…”
Section: Time-of-flight System Performancementioning
confidence: 99%
“…The HARP (PS214) Experiment at CERN Cherenkov as a function of particle momentum. At the time of the first HARP publication [57] the analysis included only a geometric criteria for hit-track matching. A χ 2 was constructed between the positions of all tracks in the plane of the CHE detector (x track , y track ) and the reconstructed position of all Cherenkov hits (x CHE , y CHE ); hits that matched with a sufficient χ 2 were associated with that track.…”
mentioning
confidence: 99%
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