Re: nue meeting

From: OBAYASHI Yoshihisa (ooba@suketto.icrr.u-tokyo.ac.jp)
Date: Mon Jun 18 2001 - 10:46:01 JST

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    Date: Mon, 18 Jun 2001 10:46:01 +0900 (JST)
From: OBAYASHI Yoshihisa <ooba@suketto.icrr.u-tokyo.ac.jp>
To: Takashi Kobayashi <kobayasi@neutrino.kek.jp>
cc: e362scifi@neutrino.kek.jp, e362lg@neutrino.kek.jp, e362veto@neutrino.kek.jp, Kenji Kaneyuki <kaneyuki@rccn01.icrr.u-tokyo.ac.jp>, mine@neutrino.kek.jp, Issei KATO <issei@scphys.kyoto-u.ac.jp>, Shuei Yamada <shuei@suketto.icrr.u-tokyo.ac.jp>, Yoshitaka Itow <itow@icrr.u-tokyo.ac.jp>, obayashi@neutrino.kek.jp, maesaka@neutrino.kek.jp
Subject: Re: nue meeting 
Message-ID: <Pine.SOL.3.96LJ1.1b7.1010618103441.1283C-101000@sukettog>



Dear electron like people,

> 	Today, 17:30-,
> 1. Obayashi-san's e/pi0 selction (check w/ atm nu data)

I'm sorry for the absence of Friday afternoon.
I'd like to attatch a plot related to above topic.

This is a trial of pi0 fit applied to atmnu data&mc.
Test samples are 70yr mc & 1290d data of single-ring e-like
sub-GeV events. X-axis is invariant mass obtained by 'wide fit'
of Tomasz's pi0 fit. Cross and box correspond to data and mc
respectively. Green and blue histograms correspond to mc that
'nue-CC-QE' and 'have one or more pi0 in final state', respectively.

We can see a peak around pi0 mass both for data & mc while
energy scale between data & mc seems to be slitely defferent.

That's a first grance of the pi0fit application to the atmnu sample.

Best Regards,
Yoshihisa OBAYASHI 

○ 大林 由尚 (OBAYASHI Yoshihisa)  obayashi@neutrino.kek.jp ●
●       高エネルギー加速器研究機構 素粒子原子核研究所      ○
○305-0801 つくば市大穂1-1,Tel:0298-79-6031 Fax:0298-64-7831●

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