arXiv · 1010.4140
Study of the $\bm{p+^6}$Li$\bm{\to\eta+^7}$Be reaction 11.3 MeV above threshold
Abstract
The cross section for the reaction $p+^6\text{Li}\to\eta+^7\text{Be}$ was measured at an excess energy of 11.28 MeV above threshold by detecting the recoiling $^7$Be nuclei. A dedicated set of focal plane detectors was built for the magnetic spectrograph Big Karl and was used for identification and four momentum measurement of the $^7$Be. A differential cross section of $\frac{d\sigma}{d\Omega}=(0.69\pm{0.20}\text{(stat.)}\pm 0.20\text{(syst.)})\text{nb/sr}$ for the ground state plus the 1/2$^-$ was measured. The result is compared to model calculations.
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A. Budzanowski, A. Chatterjee, P. Hawranek, R. Jahn, V. Jha, K. Kilian, S. Kliczewski, Da. Kirillov, Di. Kirillov, D. Kolev, M. Kravcikova, M. Lesiak, J. Lieb, H. Machner, A. Magiera, R. Maier, G. Martinska, N. Piskunov, D. Protić, J. Ritman, P. von Rossen, B. J. Roy, I. Sitnik, R. Siudak, R. Tsenov, J. Urban, G. Vankova. 2010-10-20. Study of the $\bm{p+^6}$Li$\bm{\to\eta+^7}$Be reaction 11.3 MeV above threshold. https://doi.org/10.1103/physrevc.82.041001
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