Anomalous Strong Interaction in pionic Mg

A. Taal; J.F.M. Achard van Enschut, d'; J.B.R. Berkhout; W. Duinker; C.W.E. Eijk, van; W.H.A. Hesselink; P.J. Hoek, van den; T.J. Ketel; J.H. Koch; J. Konijn; C.T.A.M. Laat, de; W. Lourens; G. Middelkoop, van; W. Poeser; T. Prins; A.H. Wapstra

doi:10.1016/0370-2693(85)91612-0

Anomalous Strong Interaction in pionic Mg

A. Taal, J.F.M. Achard van Enschut, d', J.B.R. Berkhout, W. Duinker, C.W.E. Eijk, van, W.H.A. Hesselink, P.J. Hoek, van den, T.J. Ketel, J.H. Koch, J. Konijn, C.T.A.M. Laat, de, W. Lourens, G. Middelkoop, van, W. Poeser, T. Prins, A.H. Wapstra

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Abstract

The pionic 2p¿1s transition has been observed in Mg. For the strong interaction monopole shift a value has been measured of e0(1s)=-81.6±0.6 keV with respect to the point Coulomb energy, in agreement with standard optical potential predictions. The observed strong interaction absorption width is G0(1s)=17.2±1.6 keV, which is about a factor of 1.5 smaller than expected from presently available models. This measurement confirms the trend of "anomalously" small strong interaction widths for deeply bound pionic states already observed in heavier elements.

Original language	English
Pages (from-to)	296-300
Journal	Physics Letters B
Volume	156
Issue number	5-6
DOIs	https://doi.org/10.1016/0370-2693(85)91612-0
Publication status	Published - 1985

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Taal, A., Achard van Enschut, d', J. F. M., Berkhout, J. B. R., Duinker, W., Eijk, van, C. W. E., Hesselink, W. H. A., Hoek, van den, P. J., Ketel, T. J., Koch, J. H., Konijn, J., Laat, de, C. T. A. M., Lourens, W., Middelkoop, van, G., Poeser, W., Prins, T., & Wapstra, A. H. (1985). Anomalous Strong Interaction in pionic Mg. Physics Letters B, 156(5-6), 296-300. https://doi.org/10.1016/0370-2693(85)91612-0

@article{27eeb43967fc4904b57d2e5e107c7596,

title = "Anomalous Strong Interaction in pionic Mg",

abstract = "The pionic 2p¿1s transition has been observed in Mg. For the strong interaction monopole shift a value has been measured of e0(1s)=-81.6±0.6 keV with respect to the point Coulomb energy, in agreement with standard optical potential predictions. The observed strong interaction absorption width is G0(1s)=17.2±1.6 keV, which is about a factor of 1.5 smaller than expected from presently available models. This measurement confirms the trend of {"}anomalously{"} small strong interaction widths for deeply bound pionic states already observed in heavier elements.",

author = "A. Taal and {Achard van Enschut, d'}, J.F.M. and J.B.R. Berkhout and W. Duinker and {Eijk, van}, C.W.E. and W.H.A. Hesselink and {Hoek, van den}, P.J. and T.J. Ketel and J.H. Koch and J. Konijn and {Laat, de}, C.T.A.M. and W. Lourens and {Middelkoop, van}, G. and W. Poeser and T. Prins and A.H. Wapstra",

year = "1985",

doi = "10.1016/0370-2693(85)91612-0",

language = "English",

volume = "156",

pages = "296--300",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier",

number = "5-6",

}

Taal, A, Achard van Enschut, d', JFM, Berkhout, JBR, Duinker, W, Eijk, van, CWE, Hesselink, WHA, Hoek, van den, PJ, Ketel, TJ, Koch, JH, Konijn, J, Laat, de, CTAM, Lourens, W, Middelkoop, van, G, Poeser, W, Prins, T & Wapstra, AH 1985, 'Anomalous Strong Interaction in pionic Mg', Physics Letters B, vol. 156, no. 5-6, pp. 296-300. https://doi.org/10.1016/0370-2693(85)91612-0

TY - JOUR

T1 - Anomalous Strong Interaction in pionic Mg

AU - Taal, A.

AU - Achard van Enschut, d', J.F.M.

AU - Berkhout, J.B.R.

AU - Duinker, W.

AU - Eijk, van, C.W.E.

AU - Hesselink, W.H.A.

AU - Hoek, van den, P.J.

AU - Ketel, T.J.

AU - Koch, J.H.

AU - Konijn, J.

AU - Laat, de, C.T.A.M.

AU - Lourens, W.

AU - Middelkoop, van, G.

AU - Poeser, W.

AU - Prins, T.

AU - Wapstra, A.H.

PY - 1985

Y1 - 1985

N2 - The pionic 2p¿1s transition has been observed in Mg. For the strong interaction monopole shift a value has been measured of e0(1s)=-81.6±0.6 keV with respect to the point Coulomb energy, in agreement with standard optical potential predictions. The observed strong interaction absorption width is G0(1s)=17.2±1.6 keV, which is about a factor of 1.5 smaller than expected from presently available models. This measurement confirms the trend of "anomalously" small strong interaction widths for deeply bound pionic states already observed in heavier elements.

AB - The pionic 2p¿1s transition has been observed in Mg. For the strong interaction monopole shift a value has been measured of e0(1s)=-81.6±0.6 keV with respect to the point Coulomb energy, in agreement with standard optical potential predictions. The observed strong interaction absorption width is G0(1s)=17.2±1.6 keV, which is about a factor of 1.5 smaller than expected from presently available models. This measurement confirms the trend of "anomalously" small strong interaction widths for deeply bound pionic states already observed in heavier elements.

U2 - 10.1016/0370-2693(85)91612-0

DO - 10.1016/0370-2693(85)91612-0

M3 - Article

SN - 0370-2693

VL - 156

SP - 296

EP - 300

JO - Physics Letters B

JF - Physics Letters B

IS - 5-6

ER -

Anomalous Strong Interaction in pionic Mg

Abstract

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