CLAS Physics Database

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 E187M2

You are not logged in.

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 (exclusive), mcbn/sterad
exclusive 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 :	1.1125 GeV

Select data slice:
cos(θ) =

Fit φ dependence:

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

Parameter (X axis): φ, degree

Click here to view sliced data.

Your browser must support Java to use this feature.
You can find appropriate software at www.java.com

Click here to view 3D plot of the data.

Your must have VRML plugin for your browser installed to see this type of 3D plots.
For some types of browsers you can find it here: www.parallelgraphics.com

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

Click here to get calculated fit coefficients in text file, delimited with tabs.

Measured data:

cos(θ)	φ, degree	dσ/dΩ (exclusive), mcbn/sterad	Data errors, mcbn/sterad	Systematic errors, mcbn/sterad
-0.3	150	1.7602	0.118026	0.191611
-0.3	157.5	1.65733	0.118153	0.182099
-0.3	180	1.6354	0.103533	0.155686
-0.3	202.5	1.59528	0.116581	0.139721
-0.3	210	1.75699	0.11861	0.153718
-0.1	150	1.64757	0.108261	0.119534
-0.1	157.5	1.5837	0.112273	0.11997
-0.1	180	1.43852	0.0957111	0.12724
-0.1	202.5	1.4653	0.104863	0.134195
-0.1	210	1.54221	0.101333	0.131315
0.1	150	1.64869	0.0992058	0.141336
0.1	157.5	1.60148	0.105655	0.139661
0.1	180	1.42127	0.0955909	0.101379
0.1	202.5	1.52135	0.100797	0.111365
0.1	210	1.66831	0.0984201	0.121624
0.1	220	1.8923	0.142778	0.161757
0.3	140	1.54057	0.111742	0.129486
0.3	150	1.51815	0.0860549	0.118301
0.3	157.5	1.49034	0.0934066	0.11702
0.3	180	1.42716	0.0941764	0.119784
0.3	202.5	1.40742	0.092444	0.109886
0.3	210	1.44474	0.0849647	0.11068
0.5	140	1.26909	0.0932734	0.11302
0.5	150	1.46837	0.0786716	0.116868
0.5	157.5	1.44534	0.0867281	0.11655
0.5	180	1.62487	0.0942314	0.117254
0.5	202.5	1.50629	0.102166	0.123533
0.5	210	1.49083	0.0891136	0.11912
0.7	140	1.47227	0.0891839	0.106901
0.7	150	1.46522	0.0714547	0.10326
0.7	157.5	1.48679	0.0810753	0.105197
0.7	180	1.47973	0.0871861	0.11612
0.7	202.5	1.51407	0.0827131	0.132858
0.7	210	1.46289	0.0705555	0.119602
0.7	220	1.42674	0.0846679	0.116296
0.7	247.5	1.31692	0.0969683	0.108225
0.9	140	1.19321	0.0753409	0.108013
0.9	150	1.19249	0.0597353	0.100436
0.9	157.5	1.15761	0.0663107	0.102617
0.9	180	1.24543	0.0716242	0.106106
0.9	202.5	1.22617	0.0678663	0.104407
0.9	210	1.24512	0.0606685	0.104857
0.9	220	1.20372	0.0745707	0.0988512
0.9	247.5	1.41636	0.0977482	0.118025