Kaonic nitrogen X-ray transition yields in a gaseous target

被引：45

作者：

Ishiwatari, T

Beer, G

Bragadireanu, AM

Cargnelli, M

Curceanu, C

Egger, JP

Fuhrmann, H

Guaraldo, C

Kienle, P

Koike, T

Iliescu, M

Itahashi, K

Iwasaki, M

Lauss, B

Lucherini, V

Ludhova, L

Marton, J

Mulhauser, E

Ponta, T

Schaller, LA

Seki, R

Sirghi, DL

Sirghi, F

Strasser, P

Zmeskal, J

机构：

[1] Inst Medium Energy Phys, A-1090 Vienna, Austria

[2] Univ Victoria, Dept Phys & Astron, Victoria, BC V8W 3P6, Canada

[3] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[4] RIKEN, Wako Inst, Wako, Saitama 3510198, Japan

[5] Inst Phys & Nucl Engn Horia Hulubei, Particle Phys Dept, R-76900 Bucharest, Romania

[6] Univ Fribourg, Inst Phys, CH-1700 Fribourg, Switzerland

[7] Univ Neuchatel, Inst Phys, CH-2000 Neuchatel, Switzerland

[8] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[9] CALTECH, WK Kellogg Radiat Lab, Pasadena, CA 91125 USA

[10] Calif State Univ Northridge, Dept Phys & Astrophys, Northridge, CA 91330 USA

来源：

PHYSICS LETTERS B | 2004年 / 593卷

关键词：

kaonic nitrogen yields; K-shell electron population; charged kaon mass;

D O I：

10.1016/j.physletb.2004.04.055

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The first measurement of the yields of three kaonic nitrogen X-ray transitions, using the DEAR (DAPhiNE Exotic Atom Research) setup at the DAPhiNE collider of Frascati, is reported. The yields are 41.5 +/- 8.7(stat.) 4.1(sys.)% for the n = 7 --> 6 transition, 55.0 +/- 3.9(stat.) +/-5.5(sys.)% for the n = 6 --> 5 transition and 57.4 +/- 15.2(stat.) +/- 5.7(sys.)% for the n = 5 --> 4 transition at a density rho = 3.4rho(NTP). By using the experimental yields in an atomic cascade calculation, a 1 to 3% K-shell electron population in the n = 6 level was deduced. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：48 / 54

页数：7

共 16 条

[1] RELEVANCE OF IONIZATION AND ELECTRON REFILLING TO THE OBSERVATION OF THE M1 TRANSITION (GAMMA-M 1-2S-1S) IN LIGHT MUONIC ATOMS [J].

BACHER, R ;

BLUM, P ;

GOTTA, D ;

HEITLINGER, K ;

SCHNEIDER, M ;

MISSIMER, J ;

SIMONS, LM .

PHYSICAL REVIEW A, 1989, 39 (04) :1610-1620

[2] DEGREE OF IONIZATION IN ANTIPROTONIC NOBLE-GASES [J].

BACHER, R ;

BLUM, P ;

GOTTA, D ;

HEITLINGER, K ;

SCHNEIDER, M ;

MISSIMER, J ;

SIMONS, LM ;

ELSENER, K .

PHYSICAL REVIEW A, 1988, 38 (09) :4395-4404

[3] Strong interaction physics from hadronic atoms [J].

Batty, CJ ;

Friedman, E ;

Gal, A .

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1997, 287 (05) :385-445

[4] A new method to obtain a precise value of the mass of the charged kaon [J].

Beer, G ;

Bragadireanu, AM ;

Breunlich, W ;

Cargnelli, M ;

Curceanu, C ;

Egger, JP ;

Fuhrmann, H ;

Guaraldo, C ;

Giersch, M ;

Iliescu, M ;

Ishiwatari, T ;

Itahashi, K ;

Lauss, B ;

Lucherini, V ;

Ludhova, L ;

Marton, J ;

Mulhauser, F ;

Ponta, T ;

Sanderson, AC ;

Schaller, LA ;

Sirghi, DL ;

Sirghi, F ;

Zmeskal, J .

PHYSICS LETTERS B, 2002, 535 (1-4) :52-58

[5] The DEAR case [J].

Bianco S. ;

Bragadireanu A.M. ;

Fabbri F.L. ;

Guaraldo C. ;

Iliescu M. ;

Ito T.M. ;

Lucherini V. ;

Petrascu C. ;

Bregant M. ;

Milotti E. ;

Vacchi A. ;

Zavattini E. ;

Augsburger M. ;

Chatellard D. ;

Knowles P. ;

Mulhauser F. ;

Schaller L.A. ;

Schellenberg L. ;

Schneuwly H. ;

Egger J.-P. ;

Varidel D. ;

Breunlich W.H. ;

Cargnelli M. ;

Gartner B. ;

King R. ;

Lauss B. ;

Marton J. ;

Zmeskal J. ;

Ponta T. ;

Nakamura S.N. ;

Koike T. ;

Hayano R.S. ;

Hori M. ;

Ishikawa T. ;

Ishiwatari T. ;

Iwasaki M. ;

Akaishi Y. ;

Beer G. ;

Sanderson A.C. ;

Seki R. .

La Rivista del Nuovo Cimento (1978-1999), 1999, 22 (11) :1-45

[6]

Bragadireanu M., 2001, IR37 DEAR

[7]

BURBIDGE CR, 1953, PHYS REV, V89, P189

[8] THE AUGER EFFECT AND NEGATIVE MESON CAPTURE [J].

DEBORDE, AH .

PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION A, 1954, 67 (409) :57-67

[9]

GODFREY G, 1975, THESIS U CALIFORNIA

[10]

ILIESCU M, UNPUB NUCL INSTRUM

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