CLAS Physics Database

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Measurement E109M1

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Experiment: E5, 2000

Spokespersons: W. K. Brooks and M. F. Vineyard

Experiment comment: Data analysis done by J.D. Lachniet, a student at CMU.

Publication:

J.Lachniet, A.Afanasev, H.Arenh?vel, W.K.Brooks, G.P.Gilfoyle, S.Jeschonnek, B.Quinn, M.F.Vineyard, et al (the CLAS Collaboration) A Precise Measurement of the Neutron Magnetic Form Factor GMn in the Few-GeV2 Region // PRL 102, 192001 (2009)

Quantity measured: R_GMn,
Ratio of e-n/e-p production from deuterium to measure the neutron magnetic form factor (GMn).
Beam: e, polarization: polarized
Target: d (Z=1, A=2), polarization: none
Final state: p n, polarization: none

Q² :	0.984848 — 2.5 GeV²
W :	0 — 1.095445 GeV
E_beam :	2.558 GeV

Observable quantity measured (Y axis): R_GMn,
Plot measurement data

Parameter (X axis): Q², GeV2

Click here to get data in text file, delimited with tabs.

Measured data:

Q², GeV2	R_GMn	Data errors
0.9848	0.3381	0.0052
1.1364	0.3529	0.0054
1.2879	0.3794	0.0053
1.4394	0.3757	0.0051
1.5909	0.3753	0.0055
1.7424	0.3814	0.0063
1.8939	0.3788	0.007
2.0455	0.3816	0.0081
2.197	0.374	0.0097
2.3485	0.3852	0.0171
2.5	0.4199	0.0745