Complementary studies on $N^*$ from $e^+e^-$, $pp$ and $p\bar p$ collisions

Details Complementary studies on $N^*$ from $e^+e^-$, $pp$ and $p\bar p$ collisions Complementary studies on $N^*$ from $e^+e^-$, $pp$ and $p\bar p$ collisions

2009-07-27

arxiv.org/abs/0907.4567v2

Chin.Phys.C33:1113,2009

Physics

Nuclear Physics

Nuclear Theory

plenary talk at NSTAR09, 19-22 April 2009, Beijing

Scientific paper

Complementary to the conventional experimental studies on $N^*$ from $\pi N$ and $\gamma^{(*)}N$ reactions, the $e^+e^-$, $pp$ and $p\bar p$ collisions can give novel insights into these $N^*$ resonances. While the $e^+e^-$ collisions through production and decay of vector charmonium $\psi$ provide a nice isospin filter for a simultaneously study of $N^*$, $\Delta^*$, $\Lambda^*$, $\Sigma^*$ and $\Xi^*$, the $pp$ collisions should be the best place for producing those $\Delta^{*++}$ with large coupling to $\rho^+p$ though $pp\to n\Delta^{*++}$ reaction, and the $p\bar p$ collisions should be the best place for looking for those $N^*$ with large coupling to $\sigma N$.

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