Observation of structure in <span class="math"><math><mtext>p</mtext><mtext>̄</mtext><mtext>p</mtext><mtext> → π</mtext><msup><mi></mi><mn>0</mn></msup><mtext>π</mtext><msup><mi></mi><mn>0</mn></msup></math></span>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Observation of structure in $p ̄ p → π^{0} π^{0}$

Authors:	RS Dulude RE Lanou JT Massimo DC Peaslee RK Thornton DS Barton M Marx BA Nelson L Rosenson C DeMarzo L Guerriero F Posa E Vaccari F Waldner

Institution:	Rutherford Laboratory, Chilton, Didcot, Oxon, OX11 0QX, UK

Abstract:	We present a partial wave amplitude analysis of the differential cross sections for p?p → π⁰π⁰ at 25 energies from 2.12 to 2.43 GeV. The results suggest the presence of a J^PCI^G = 2⁺⁺0⁺ resonance at 2.15 GeV. An isospin decomposition of p?p → π⁺π^- is also presented.

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