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NuWro-multitrack (1)

NuWro-multitrack (1). Some information. Included tracks – have a segment in TPC (no quality cut though ), nonzero reco momentum True values based on matching (no purity cut used ) NuWro 9m, flux 2010a ( momenta too high), nd280 mc chain v9r9p1 8200evts.

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NuWro-multitrack (1)

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  1. NuWro-multitrack(1)

  2. Someinformation • Includedtracks – have a segment in TPC (no qualitycutthough), nonzerorecomomentum • True valuesbased on matching (no puritycutused) • NuWro 9m, flux 2010a (momentatoo high), nd280 mc chain v9r9p1 • 8200evts

  3. Num of tracks and matchedparticletypes Particletypes (matched) Number of tracks (in TPC) Mu|Ele|Pi |Pi0|Pro|Neu|Gam|Other

  4. 2-track events (1300evts) • HMs: • muon: 643 (~50%) • proton: 421 (~30%) • Two proton tracks: ~100evts, mainly one proton per event: ~45%RES, then DIS, QE If the HM is muon, what’s the other one? ifthereis a proton, itisusuallyjust one particlecode # of protons mostlyprotons. second muons = tworecotracksassociated with one muon?

  5. 2-track events (1300evts) – proton momenta momentumrecoquality for HM proton tracks truemomenta of allprotons – peakat 600MeV (true-reco)/true truemomenta of HM protons – slightlylargermomenta (true-reco)/true HM muons for comparison

  6. 2-tracks summary • mainlyresonantevents • lots of protons, also as HM tracks, but not somany with lowenergies • momenta of protonsaround 950MeV • reconstructioncapabilitycomparable with muons

  7. 3-track events (454evts) channels: mainly DIS(~50%), then RES PID – alltracks – muons, electrons, chrgd pi, protons PID – HM tracks –mainly muons and protons # of protons – usually 1 per event

  8. 3-track events – proton momenta proton momenta – similar to the histogram for 2 trackevts 3-track eventslookmoreor less similar to 2-track oneswhenitcomes to protons

  9. A look from otherperspective: events with 3 ormoretracks RES DIS # of protons # of protons proton momentum proton momentum – more HE protons for DIS

  10. Allprotons in allevents – lowenergytail How lowcan we go in trueenergy? Rareeventsbelow 300MeV cut on true result on reco Recomom for protons with truemom <500 – reconstructionunderestimatesmomentumhere

  11. Whatabout pi minuses? 2-track evts 3-track evts # of piminus # of piminus Allpiminuses: momentum

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