CLAS Physics Database

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Measurement E187M99

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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 :	0.7 GeV²
W :	1.3125 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
-0.9	67.5	0.597353	0.0501203	0.0485393
-0.9	90	0.755594	0.0553797	0.0609653
-0.9	270	0.900414	0.061126	0.0743473
-0.9	292.5	0.684691	0.0528761	0.0564083
-0.9	300	0.680615	0.0579746	0.0548559
-0.7	67.5	0.800589	0.0667197	0.0678406
-0.7	90	0.955942	0.0714079	0.088222
-0.7	150	0.647019	0.0528278	0.0550943
-0.7	202.5	0.599191	0.0494587	0.0482808
-0.7	210	0.663814	0.04471	0.0502492
-0.7	220	0.795186	0.0652659	0.06271
-0.7	270	1.02806	0.0692573	0.0822694
-0.7	292.5	0.938652	0.059315	0.0732669
-0.7	300	0.844731	0.0566089	0.0652463
-0.7	330	0.590071	0.0437524	0.0448997
-0.5	30	0.858291	0.0592313	0.0664558
-0.5	60	1.28405	0.0785202	0.102259
-0.5	67.5	1.40382	0.0874018	0.11812
-0.5	90	1.32296	0.0862515	0.13182
-0.5	180	0.428101	0.0364175	0.0419364
-0.5	247.5	1.32888	0.10474	0.17113
-0.5	260	1.46351	0.104019	0.219004
-0.5	270	1.40551	0.0784882	0.163851
-0.5	292.5	1.34043	0.0839276	0.107339
-0.5	300	1.22654	0.0748894	0.0947515
-0.5	330	0.804545	0.0549313	0.0633505
-0.3	30	1.05249	0.0866977	0.0704589
-0.3	60	1.46216	0.116803	0.102713
-0.3	67.5	1.54323	0.114643	0.123347
-0.3	90	1.46242	0.0873952	0.140883
-0.3	100	1.55886	0.0936001	0.168365
-0.3	112.5	1.46025	0.0899351	0.162028
-0.3	150	0.845612	0.0693351	0.0817223
-0.3	210	0.645777	0.0579118	0.0558832
-0.3	247.5	1.47187	0.0919799	0.184198
-0.3	260	1.55893	0.096068	0.197929
-0.3	270	1.65451	0.0814456	0.204602
-0.3	292.5	1.79527	0.10241	0.169353
-0.3	300	1.81227	0.106867	0.140601
-0.3	330	1.15661	0.0908213	0.0794907
-0.1	60	2.18452	0.156776	0.220877
-0.1	67.5	2.235	0.132759	0.211433
-0.1	90	1.97309	0.0927851	0.195449
-0.1	100	1.89205	0.111535	0.192781
-0.1	112.5	1.7374	0.111582	0.171638
-0.1	210	1.0665	0.0909668	0.0995024
-0.1	247.5	1.87978	0.105811	0.178526
-0.1	260	1.99877	0.105445	0.188367
-0.1	270	2.08403	0.089879	0.207608
-0.1	292.5	2.19889	0.133919	0.241247
-0.1	300	2.26003	0.165135	0.279867
0.1	60	2.08045	0.139474	0.211683
0.1	67.5	2.24327	0.118921	0.225717
0.1	90	2.24142	0.0864998	0.204272
0.1	100	2.21324	0.110952	0.202073
0.1	112.5	1.94696	0.107097	0.156135
0.1	140	1.69045	0.147106	0.126433
0.1	150	1.24614	0.100168	0.103802
0.1	210	1.3168	0.103045	0.142564
0.1	247.5	1.94179	0.144597	0.199832
0.1	260	2.11945	0.141	0.215154
0.1	270	2.26135	0.10432	0.24041
0.1	292.5	2.3174	0.122776	0.270082
0.1	300	2.21708	0.14612	0.285556
0.3	60	2.92776	0.159818	0.272428
0.3	67.5	2.90347	0.125993	0.258781
0.3	90	2.98417	0.100144	0.263577
0.3	100	2.7689	0.128009	0.239298
0.3	112.5	2.41221	0.121443	0.197448
0.3	140	1.51277	0.13008	0.126579
0.3	150	1.36838	0.106431	0.109658
0.3	210	1.41555	0.0960321	0.128802
0.3	220	1.67515	0.124251	0.15613
0.3	247.5	2.27981	0.146615	0.221128
0.3	260	2.56793	0.158797	0.259675
0.3	270	2.76389	0.114154	0.276258
0.3	292.5	2.70029	0.13561	0.26499
0.3	300	2.7051	0.155926	0.271797
0.5	60	3.59018	0.223954	0.35342
0.5	67.5	3.58229	0.174734	0.369323
0.5	90	3.67367	0.133939	0.373361
0.5	100	3.52638	0.171305	0.383386
0.5	112.5	2.93427	0.140335	0.232374
0.5	140	1.90407	0.110167	0.142104
0.5	150	1.63279	0.0908628	0.126096
0.5	157.5	1.60572	0.126259	0.142192
0.5	202.5	2.47191	0.179021	0.307413
0.5	210	2.05819	0.109456	0.174206
0.5	220	2.31742	0.131832	0.197105
0.5	247.5	2.75966	0.155688	0.232278
0.5	260	3.42167	0.191383	0.387736
0.5	270	3.53302	0.141508	0.38899
0.5	292.5	3.64314	0.174945	0.412025
0.5	300	3.43351	0.214612	0.363733
0.7	67.5	4.08415	0.282085	0.514517
0.7	90	3.91771	0.152426	0.401564
0.7	100	3.79762	0.162003	0.38164
0.7	112.5	3.56162	0.143211	0.313594
0.7	140	2.9693	0.16464	0.251185
0.7	150	2.52713	0.129462	0.212648
0.7	157.5	2.62969	0.193782	0.257629
0.7	210	2.45783	0.144775	0.259441
0.7	220	2.7469	0.184842	0.288873
0.7	247.5	3.50893	0.155271	0.301783
0.7	260	3.90619	0.187989	0.421337
0.7	270	3.96673	0.158412	0.401468
0.7	292.5	4.17059	0.268115	0.500455
0.7	300	4.12396	0.331111	0.360572
0.9	30	4.88838	0.327368	0.438725
0.9	60	4.89511	0.256124	0.421353
0.9	67.5	4.48861	0.214829	0.400575
0.9	90	4.50037	0.154408	0.417431
0.9	100	4.53182	0.192173	0.456446
0.9	112.5	4.74699	0.201394	0.490936
0.9	140	3.70861	0.198045	0.396373
0.9	150	3.16971	0.119064	0.307698
0.9	157.5	2.91901	0.120999	0.276319
0.9	180	2.6126	0.104514	0.235416
0.9	202.5	2.94688	0.121897	0.275403
0.9	210	3.14851	0.115024	0.295412
0.9	220	3.68385	0.16854	0.361226
0.9	247.5	4.45134	0.234421	0.469984
0.9	260	4.58009	0.240646	0.45181
0.9	270	4.64455	0.185842	0.419177
0.9	292.5	4.94324	0.214378	0.392058
0.9	300	5.02508	0.258926	0.382024
0.9	330	5.28068	0.342743	0.433293