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2p2h or not 2p2h?

This presentation discusses the significance of two-particle two-hole (2p2h) interactions in the context of inclusive cross sections in neutrino oscillation measurements. Highlighted are their implications on CCQE-like processes and their potential to explain discrepancies seen in MiniBooNE measurements. Key questions addressed include the impact of 2p2h contributions on Eº reconstruction and their relevance for experiments like NOMAD at around 1 GeV. Insights from recent findings by M. Martini and others at Fermilab will also be explored.

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2p2h or not 2p2h?

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  1. 2p2h or not 2p2h? TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: AAAA

  2. 1p1h: • CCQE for Fermi gas

  3. 2p2h: M. Martini @ Fermilab

  4. Inclusive cross section: M. Martini, PRC 80 (2009) Nieves et al., arXiv:1102.2777 Thanks to Marco M. and Ignacio R. S. for the Figs.

  5. (Some) questions: • Implications for oscillation measurements: • Larger inclusive cross section • 2p2h: CCQElike, do they affect Eºreconstruction? • Do 2p2h explain MiniBooNECCQE measurement? • If YES, what about NOMAD, MA~1 GeV ???

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