CLAS Physics Database

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Measurement E187M85

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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 :	1.1875 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	90	3.38326	0.244212	0.375353
-0.7	100	3.39047	0.254687	0.379381
-0.7	112.5	3.34763	0.188935	0.307888
-0.7	140	3.18032	0.185345	0.275065
-0.7	150	3.02315	0.155052	0.253364
-0.7	157.5	2.88962	0.195684	0.265818
-0.7	210	2.61522	0.157461	0.287694
-0.7	220	2.95702	0.176435	0.309709
-0.7	247.5	3.44221	0.165421	0.326498
-0.7	260	3.60139	0.21038	0.328612
-0.7	270	3.60805	0.202607	0.323426
-0.5	90	4.44804	0.184456	0.345966
-0.5	100	4.33221	0.192638	0.327787
-0.5	112.5	4.03259	0.165001	0.293801
-0.5	140	3.38062	0.183254	0.241924
-0.5	150	3.12211	0.133275	0.229768
-0.5	157.5	2.99534	0.156378	0.226192
-0.5	180	2.60007	0.131366	0.20619
-0.5	202.5	2.64112	0.160867	0.190774
-0.5	210	2.83068	0.13318	0.209161
-0.5	220	3.11182	0.18822	0.233153
-0.5	247.5	3.65931	0.152064	0.259657
-0.5	260	3.88106	0.177451	0.276709
-0.5	270	3.88395	0.166056	0.27915
-0.3	67.5	4.50821	0.300014	0.380612
-0.3	90	4.88971	0.180681	0.350916
-0.3	100	5.03466	0.202523	0.355436
-0.3	112.5	4.58626	0.182359	0.316976
-0.3	140	3.36632	0.227651	0.288353
-0.3	150	3.23776	0.162452	0.254323
-0.3	157.5	3.11355	0.198531	0.262105
-0.3	180	2.75432	0.154997	0.202143
-0.3	202.5	2.88857	0.180841	0.262909
-0.3	210	3.00958	0.14772	0.247567
-0.3	220	3.4246	0.202826	0.319425
-0.3	247.5	4.33105	0.199449	0.296969
-0.3	260	4.61185	0.221137	0.307057
-0.3	270	4.49153	0.190391	0.301107
-0.3	292.5	3.76839	0.247201	0.298844
-0.1	67.5	4.66165	0.334271	0.37729
-0.1	90	5.2162	0.205625	0.382031
-0.1	100	5.21497	0.240452	0.388993
-0.1	112.5	4.84633	0.197909	0.316333
-0.1	140	3.38871	0.190353	0.262398
-0.1	150	3.2856	0.137328	0.242009
-0.1	157.5	3.1198	0.153909	0.251716
-0.1	180	3.04911	0.136176	0.22459
-0.1	202.5	3.19354	0.154282	0.228487
-0.1	210	3.43475	0.137907	0.247874
-0.1	220	3.74269	0.195107	0.278658
-0.1	247.5	4.69208	0.202704	0.36221
-0.1	260	4.79818	0.208774	0.365028
-0.1	270	4.85059	0.180038	0.350755
-0.1	292.5	4.45485	0.243753	0.305987
0.1	67.5	4.6295	0.296199	0.330752
0.1	90	5.26838	0.225123	0.381201
0.1	100	5.24725	0.267614	0.390911
0.1	112.5	4.91318	0.249564	0.348824
0.1	140	3.67814	0.205614	0.266017
0.1	150	3.15454	0.135776	0.227835
0.1	157.5	2.94593	0.146194	0.225466
0.1	180	2.55796	0.121113	0.183761
0.1	202.5	3.06172	0.162092	0.215556
0.1	210	3.11279	0.142096	0.217114
0.1	220	3.55425	0.222579	0.263427
0.1	247.5	5.1707	0.210289	0.358251
0.1	260	5.77463	0.237269	0.402336
0.1	270	5.62007	0.201778	0.385144
0.1	292.5	4.62378	0.291983	0.31406
0.3	67.5	4.12499	0.266477	0.362408
0.3	90	5.05895	0.195356	0.395986
0.3	100	5.30968	0.22901	0.410461
0.3	112.5	5.06977	0.231914	0.379279
0.3	140	3.02464	0.188966	0.25359
0.3	150	2.80415	0.125455	0.21493
0.3	157.5	2.58992	0.12994	0.199809
0.3	180	2.48933	0.125098	0.207737
0.3	202.5	2.58803	0.144959	0.231665
0.3	210	2.67807	0.133507	0.237921
0.3	220	2.79136	0.178969	0.242256
0.3	247.5	4.50741	0.231947	0.345479
0.3	260	4.91623	0.247858	0.349635
0.3	270	4.79598	0.223756	0.341692
0.5	67.5	3.40913	0.263566	0.287914
0.5	90	4.25482	0.196504	0.355
0.5	100	4.23775	0.220459	0.359154
0.5	112.5	4.34807	0.235088	0.370513
0.5	140	3.00786	0.209816	0.256213
0.5	150	2.47283	0.121697	0.20944
0.5	157.5	2.29627	0.125857	0.20333
0.5	180	1.97382	0.0986973	0.158632
0.5	202.5	2.10664	0.11719	0.178242
0.5	210	2.24341	0.112492	0.187785
0.5	220	2.62427	0.188566	0.253714
0.5	247.5	4.1943	0.224284	0.38984
0.5	260	4.58189	0.226668	0.414873
0.5	270	4.55105	0.199767	0.406192
0.5	292.5	4.16406	0.294338	0.350873
0.7	90	3.18607	0.199792	0.316897
0.7	100	3.38132	0.229632	0.352835
0.7	112.5	2.9146	0.191171	0.253446
0.7	140	2.66271	0.173224	0.203973
0.7	150	2.56712	0.131605	0.186397
0.7	157.5	2.59893	0.15202	0.198377
0.7	180	2.60375	0.153586	0.212317
0.7	202.5	2.68574	0.152348	0.200673
0.7	210	2.71178	0.135292	0.205614
0.7	220	2.68801	0.17284	0.19364
0.7	247.5	3.15487	0.194098	0.298692
0.7	260	3.23826	0.212726	0.3085
0.7	270	3.11265	0.189054	0.300755
0.9	90	2.13553	0.131374	0.178582
0.9	100	2.27372	0.163794	0.196102
0.9	112.5	2.31614	0.142972	0.206273
0.9	140	2.05679	0.110828	0.173037
0.9	150	2.15621	0.0885877	0.168571
0.9	157.5	2.20128	0.101509	0.169262
0.9	180	2.1072	0.102099	0.161409
0.9	202.5	1.83341	0.0910152	0.146698
0.9	210	1.82421	0.0800022	0.145185
0.9	220	1.81107	0.102223	0.146297
0.9	247.5	2.00837	0.129034	0.162799
0.9	260	2.14387	0.160414	0.179319
0.9	270	2.00831	0.130562	0.159526