CLAS Physics Database

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Measurement E187M94

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Experiment: e1e, 2022

Spokespersons: Y. Tian, R. W. Gothe V.I. Mokeev, and G. Hollis

Experiment comment: Q2 : 0.4 — 1.0 GeV2 W : up to 1.825 GeV Ebeam : 2.039 GeV

Publication:

Y. Tian, R.W. Gothe, V.I. Mokeev and G. Hollis (For CLAS Collaboration) Exclusive π− Electroproduction off the Neutron in Deuterium in the Resonance Region // CLAS-Notes 2021-101 //

Quantity measured: dσ/dΩ (quasi-free), mcbn/sterad
quasi-free differential cross section
Beam: e, polarization: none
Target: d (Z=1, A=2), polarization: none
Final state: π⁻ p, polarization: none

Q² :	0.9 GeV²
W :	1.2625 GeV

Select data slice:
cos(θ) =

Fit φ dependence:

Observable quantity measured (Y axis): dσ/dΩ (quasi-free), mcbn/sterad
Plot measurement data

Parameter (X axis): φ, degree

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Measured data:

cos(θ)	φ, degree	dσ/dΩ (quasi-free), mcbn/sterad	Data errors, mcbn/sterad	Systematic errors, mcbn/sterad
-0.7	60	1.89748	0.14279	0.146102
-0.7	67.5	2.12274	0.146043	0.173848
-0.7	90	1.78676	0.110627	0.14715
-0.7	100	1.77487	0.138937	0.15495
-0.7	150	1.09639	0.0874092	0.0836572
-0.7	157.5	1.00356	0.0820903	0.080737
-0.7	202.5	0.94728	0.078349	0.0664541
-0.7	210	1.03304	0.0694582	0.0707386
-0.7	220	1.2979	0.102228	0.0953758
-0.7	247.5	1.53223	0.104408	0.124286
-0.7	260	1.64308	0.127062	0.146521
-0.7	270	1.64398	0.101165	0.138223
-0.7	292.5	1.68383	0.119605	0.118704
-0.7	300	1.63858	0.120947	0.125154
-0.5	60	2.52507	0.194149	0.184676
-0.5	67.5	2.59959	0.179696	0.193185
-0.5	90	2.20162	0.119457	0.185909
-0.5	100	1.95168	0.133664	0.167074
-0.5	112.5	1.86961	0.116562	0.159674
-0.5	140	1.54099	0.121755	0.115944
-0.5	150	1.18235	0.076685	0.0785246
-0.5	157.5	0.99837	0.07941	0.0636347
-0.5	180	0.842836	0.0642612	0.0609274
-0.5	202.5	1.10877	0.0830545	0.0933581
-0.5	210	1.31725	0.0799499	0.106005
-0.5	220	1.6667	0.124431	0.146183
-0.5	247.5	2.08788	0.137577	0.162464
-0.5	260	2.05537	0.156527	0.173412
-0.5	270	2.13288	0.143958	0.174049
-0.3	67.5	2.82338	0.22182	0.254763
-0.3	90	2.51635	0.124565	0.228536
-0.3	100	2.4266	0.141444	0.231349
-0.3	112.5	2.38481	0.130895	0.215851
-0.3	140	2.06876	0.153439	0.173213
-0.3	150	1.55708	0.107101	0.111507
-0.3	157.5	1.25047	0.113323	0.0964966
-0.3	180	0.933226	0.0820073	0.0686147
-0.3	202.5	1.10106	0.0844679	0.0769053
-0.3	210	1.19104	0.0782401	0.0801461
-0.3	220	1.44452	0.12028	0.107807
-0.3	247.5	2.09466	0.121492	0.152971
-0.3	260	2.52945	0.14653	0.200008
-0.3	270	2.58204	0.141108	0.218322
-0.1	67.5	3.17609	0.20777	0.311732
-0.1	90	2.9547	0.131999	0.267259
-0.1	100	2.94191	0.15825	0.275776
-0.1	112.5	2.39414	0.13802	0.211413
-0.1	140	1.61555	0.139831	0.166389
-0.1	150	1.28967	0.0877791	0.104331
-0.1	157.5	1.11818	0.092461	0.0878178
-0.1	210	1.2088	0.0977766	0.0951758
-0.1	247.5	2.40734	0.136521	0.214472
-0.1	260	2.85507	0.155423	0.250548
-0.1	270	2.9447	0.130121	0.270507
-0.1	292.5	3.12831	0.202527	0.324402
0.1	60	2.82135	0.228029	0.310324
0.1	67.5	3.06611	0.184031	0.313964
0.1	90	3.26309	0.13871	0.337212
0.1	100	3.28256	0.175283	0.338576
0.1	112.5	2.95544	0.165511	0.30209
0.1	150	1.66996	0.121075	0.137709
0.1	180	1.27367	0.0846557	0.106492
0.1	202.5	1.49799	0.114408	0.113808
0.1	210	1.57813	0.100064	0.129985
0.1	220	1.82041	0.155357	0.157867
0.1	247.5	2.49305	0.168539	0.202757
0.1	260	2.90517	0.179863	0.233438
0.1	270	3.05421	0.151936	0.279145
0.1	292.5	3.09555	0.203072	0.325288
0.3	90	3.10689	0.166687	0.23465
0.3	100	2.97086	0.213841	0.255863
0.3	112.5	2.77413	0.156763	0.265978
0.3	140	2.03817	0.16724	0.21193
0.3	150	1.62976	0.104191	0.14422
0.3	157.5	1.44006	0.118157	0.127751
0.3	180	1.32662	0.0895931	0.104729
0.3	202.5	1.67888	0.125612	0.126883
0.3	210	1.73811	0.106587	0.138933
0.3	220	1.87965	0.156952	0.171207
0.3	247.5	2.7379	0.17559	0.229963
0.3	260	3.41184	0.204206	0.272758
0.3	270	3.53034	0.161578	0.273276
0.3	292.5	3.74628	0.218954	0.293381
0.3	300	3.42929	0.269732	0.268734
0.5	90	3.32101	0.157842	0.286418
0.5	100	3.13597	0.178834	0.260343
0.5	112.5	3.07888	0.157314	0.235751
0.5	140	2.56353	0.204689	0.215299
0.5	150	2.02789	0.122037	0.132408
0.5	157.5	1.84743	0.136206	0.116924
0.5	180	1.69036	0.120752	0.138996
0.5	202.5	2.30892	0.184658	0.232443
0.5	210	2.20161	0.145773	0.225513
0.5	220	2.47386	0.200819	0.276435
0.5	247.5	3.0415	0.156506	0.296002
0.5	260	3.3866	0.168969	0.314992
0.5	270	3.42214	0.146449	0.291995
0.5	292.5	3.31531	0.232434	0.249651
0.7	90	3.24328	0.186916	0.280493
0.7	100	3.13105	0.180946	0.286848
0.7	112.5	3.09318	0.169597	0.300703
0.7	140	3.20091	0.272824	0.368445
0.7	150	2.58834	0.190858	0.243959
0.7	180	2.25076	0.165258	0.17477
0.7	202.5	2.77597	0.188018	0.207823
0.7	210	2.91009	0.164792	0.230907
0.7	220	3.45143	0.269967	0.328253
0.7	247.5	3.05676	0.215497	0.297949
0.7	260	2.99613	0.202901	0.276894
0.7	270	2.97697	0.190022	0.263942
0.9	67.5	3.66469	0.258184	0.292952
0.9	90	4.01037	0.22196	0.313666
0.9	100	4.1125	0.286728	0.346938
0.9	112.5	3.7878	0.238616	0.29039
0.9	140	2.88077	0.140739	0.255603
0.9	150	2.74137	0.100939	0.217937
0.9	157.5	2.70163	0.11041	0.222219
0.9	180	2.55701	0.105854	0.187633
0.9	202.5	2.55797	0.114497	0.19724
0.9	210	2.69881	0.105782	0.208229
0.9	220	2.90165	0.153749	0.229584
0.9	247.5	3.85846	0.240467	0.348601
0.9	260	4.08438	0.300591	0.357781
0.9	270	4.24526	0.239964	0.357237
0.9	292.5	4.53377	0.313893	0.330443
0.9	300	4.64516	0.378497	0.339538