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Electroexcitation of the first excited state in K |
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| Authors: | C W De Jager P H M Keizer E A J M Offermann H De Vries |
| Institution: | a NIKHEF-K, PO Box 4395, 1009, AJ Amsterdam, The Netherlands b Bates Linear Accelarator and Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA |
| Abstract: | Electroexcitation of the first excited state in 39K has been studied in the momentum transfer region of 0.8–2.5 fm−1. Separation of the longitudinal and transverse form-factor components has been obtained. The longitudinal form factor has been analyzed model-independently. A B (M1) value for this l-forbidden transition was also obtained. Presently available theoretical predictions are unable to reproduce the B(M1) value or the transverse form-factor data. |
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