Your browser does not support JavaScript or JavaScript is turned off in your browser. It is strongly recommended to turn JavaScript on to view this page. Some features may not work if JavaScript is turned off.

Measurement E182M43

Experiment:	Measurement of the Proton Spin Structure at Long Distances
Year:	2021
Spokesperson:	X. Zheng et al. (CLAS Collaboration)
Reaction:	ep → inclusive
Polarization:	beam, target (longitudinal)
Quantity:	A₁·F₁
Q²:	0.2436 GeV²
W:	1.11 — 2.27 GeV
Publication:	X. Zheng et al. (CLAS Collaboration) Measurement of the Proton Spin Structure at Long Distances //

Measurement data
W	A₁·F₁	uncertainty
1.11	-0.0238	0.0784
1.13	-0.0337	0.0438
1.15	-0.1736	0.0915
1.17	-0.3241	0.0645
1.19	-0.3912	0.0969
1.21	-0.7034	0.0837
1.23	-0.5232	0.0715
1.25	-0.3036	0.067
1.27	-0.1732	0.054
1.29	-0.0712	0.0476
1.31	-0.0246	0.0431
1.33	-0.0152	0.0407
1.35	0.0182	0.0395
1.37	0.0201	0.0451
1.39	0.0346	0.0471
1.41	0.0055	0.0494
1.43	0.1016	0.0517
1.45	0.0751	0.0577
1.47	-0.0267	0.062
1.49	0.1326	0.0663
1.51	0.2772	0.0697
1.53	0.0558	0.0639
1.55	0.0511	0.0606
1.57	-0.0081	0.0589
1.59	0.1105	0.059
1.61	-0.0175	0.0614
1.63	-0.0587	0.0602
1.65	-0.065	0.0603
1.67	0.0158	0.0627
1.69	0.08	0.0643
1.71	0.0291	0.062
1.73	0.0284	0.0641
1.75	-0.0054	0.0545
1.77	0.0453	0.0553
1.79	-0.0791	0.061
1.81	-0.1228	0.0618
1.83	0.1001	0.0635
1.85	-0.0592	0.0593
1.87	-0.0838	0.065
1.89	-0.0253	0.0654
1.91	0.0645	0.067
1.93	-0.027	0.0728
1.95	-0.0024	0.0751
1.97	-0.0336	0.0845
1.99	-0.0379	0.0849
2.01	0.0308	0.0778
2.03	-0.0257	0.0758
2.05	0.0383	0.078
2.07	-0.0457	0.0862
2.09	-0.0106	0.0816
2.11	-0.115	0.0836
2.13	0.0333	0.0946
2.15	-0.0173	0.0956
2.17	0.0457	0.0922
2.19	0.0526	0.0845
2.21	0.2324	0.0925
2.23	-0.1183	0.1042
2.25	-0.0486	0.0941
2.27	0.2491	0.1287