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Title: First measurement of proton's charge form factor at very low Q2 with initial state radiation

Abstract

Here we report on a new experimental method based on initial-state radiation (ISR) in e–pscattering, which exploits the radiative tail of the elastic peak to study the properties of electromagnetic processes and to extract the proton charge form factor (G$$p\atop{E}$$) at extremely small Q2. The ISR technique was implemented in an experiment at the three-spectrometer facility of the Mainz Microtron (MAMI). This led to a precise validation of radiative corrections far away from elastic line and provided first measurements of G$$p\atop{E}$$ for 0.001 ≤Q2≤0.004 (GeV/c)2.

Authors:
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Publication Date:
Research Org.:
College of William and Mary, Williamsburg, VA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1356864
Alternate Identifier(s):
OSTI ID: 1425606
Grant/Contract Number:  
FG02-96ER41003
Resource Type:
Published Article
Journal Name:
Physics Letters B
Additional Journal Information:
Journal Name: Physics Letters B Journal Volume: 771 Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
Netherlands
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Initial state radiation; Proton; Form factor; Radiative corrections

Citation Formats

Mihovilovič, M., Weber, A. B., Achenbach, P., Beranek, T., Beričič, J., Bernauer, J. C., Böhm, R., Bosnar, D., Cardinali, M., Correa, L., Debenjak, L., Denig, A., Distler, M. O., Esser, A., Ferretti Bondy, M. I., Fonvieille, H., Friedrich, J. M., Friščić, I., Griffioen, K., Hoek, M., Kegel, S., Kohl, Y., Merkel, H., Middleton, D. G., Müller, U., Nungesser, L., Pochodzalla, J., Rohrbeck, M., Sánchez Majos, S., Schlimme, B. S., Schoth, M., Schulz, F., Sfienti, C., Širca, S., Štajner, S., Thiel, M., Tyukin, A., Vanderhaeghen, M., and Weinriefer, M. First measurement of proton's charge form factor at very low Q2 with initial state radiation. Netherlands: N. p., 2017. Web. doi:10.1016/j.physletb.2017.05.031.
Mihovilovič, M., Weber, A. B., Achenbach, P., Beranek, T., Beričič, J., Bernauer, J. C., Böhm, R., Bosnar, D., Cardinali, M., Correa, L., Debenjak, L., Denig, A., Distler, M. O., Esser, A., Ferretti Bondy, M. I., Fonvieille, H., Friedrich, J. M., Friščić, I., Griffioen, K., Hoek, M., Kegel, S., Kohl, Y., Merkel, H., Middleton, D. G., Müller, U., Nungesser, L., Pochodzalla, J., Rohrbeck, M., Sánchez Majos, S., Schlimme, B. S., Schoth, M., Schulz, F., Sfienti, C., Širca, S., Štajner, S., Thiel, M., Tyukin, A., Vanderhaeghen, M., & Weinriefer, M. First measurement of proton's charge form factor at very low Q2 with initial state radiation. Netherlands. doi:10.1016/j.physletb.2017.05.031.
Mihovilovič, M., Weber, A. B., Achenbach, P., Beranek, T., Beričič, J., Bernauer, J. C., Böhm, R., Bosnar, D., Cardinali, M., Correa, L., Debenjak, L., Denig, A., Distler, M. O., Esser, A., Ferretti Bondy, M. I., Fonvieille, H., Friedrich, J. M., Friščić, I., Griffioen, K., Hoek, M., Kegel, S., Kohl, Y., Merkel, H., Middleton, D. G., Müller, U., Nungesser, L., Pochodzalla, J., Rohrbeck, M., Sánchez Majos, S., Schlimme, B. S., Schoth, M., Schulz, F., Sfienti, C., Širca, S., Štajner, S., Thiel, M., Tyukin, A., Vanderhaeghen, M., and Weinriefer, M. Tue . "First measurement of proton's charge form factor at very low Q2 with initial state radiation". Netherlands. doi:10.1016/j.physletb.2017.05.031.
@article{osti_1356864,
title = {First measurement of proton's charge form factor at very low Q2 with initial state radiation},
author = {Mihovilovič, M. and Weber, A. B. and Achenbach, P. and Beranek, T. and Beričič, J. and Bernauer, J. C. and Böhm, R. and Bosnar, D. and Cardinali, M. and Correa, L. and Debenjak, L. and Denig, A. and Distler, M. O. and Esser, A. and Ferretti Bondy, M. I. and Fonvieille, H. and Friedrich, J. M. and Friščić, I. and Griffioen, K. and Hoek, M. and Kegel, S. and Kohl, Y. and Merkel, H. and Middleton, D. G. and Müller, U. and Nungesser, L. and Pochodzalla, J. and Rohrbeck, M. and Sánchez Majos, S. and Schlimme, B. S. and Schoth, M. and Schulz, F. and Sfienti, C. and Širca, S. and Štajner, S. and Thiel, M. and Tyukin, A. and Vanderhaeghen, M. and Weinriefer, M.},
abstractNote = {Here we report on a new experimental method based on initial-state radiation (ISR) in e–pscattering, which exploits the radiative tail of the elastic peak to study the properties of electromagnetic processes and to extract the proton charge form factor (G$p\atop{E}$) at extremely small Q2. The ISR technique was implemented in an experiment at the three-spectrometer facility of the Mainz Microtron (MAMI). This led to a precise validation of radiative corrections far away from elastic line and provided first measurements of G$p\atop{E}$ for 0.001 ≤Q2≤0.004 (GeV/c)2.},
doi = {10.1016/j.physletb.2017.05.031},
journal = {Physics Letters B},
number = C,
volume = 771,
place = {Netherlands},
year = {2017},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1016/j.physletb.2017.05.031

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