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The shell model approach: Key to hadron structure (open access)

The shell model approach: Key to hadron structure

A shell model approach leads to a simple constituent quark model for hadron structure in which mesons and baryons consist only of constituent quarks. Hadron masses are the sums of the constituent quark effective masses and a hyperfine interaction inversely proportional to the product of these same masses. Hadron masses and magnetic moments are related by the assumption that the same effective mass parameter appears in the additive mass term, the hyperfine interaction, and the quark magnetic moment, both in mesons and baryons. The analysis pinpoints the physical assumptions needed for each relation and gives two new mass relations. Application to weak decays and recent polarized EMC data confirms conclusions previously obtained that the current quark contribution to the spin structure of the proton vanishes, but without need for the questionable assumption of SU(3) symmetry relating hyperon decays and proton structure. SU(3) symmetry breaking is clarified. 24 refs.
Date: August 14, 1989
Creator: Lipkin, H.J. (Weizmann Inst. of Science, Rehovoth (Israel). Dept. of Nuclear Physics)
Object Type: Article
System: The UNT Digital Library
[News Clip: Botha] captions transcript

[News Clip: Botha]

B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5pm.
Date: August 14, 1989
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
Jacksboro Gazette-News (Jacksboro, Tex.), Vol. 108, No. 15, Ed. 1 Monday, August 14, 1989 (open access)

Jacksboro Gazette-News (Jacksboro, Tex.), Vol. 108, No. 15, Ed. 1 Monday, August 14, 1989

Weekly newspaper from Jacksboro, Texas that includes local, state, and national news along with extensive advertising.
Date: August 14, 1989
Creator: McGee, Leigh
Object Type: Newspaper
System: The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 67, No. 246, Ed. 1 Monday, August 14, 1989 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 67, No. 246, Ed. 1 Monday, August 14, 1989

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: August 14, 1989
Creator: Brown, Leon
Object Type: Newspaper
System: The Portal to Texas History
[Letter draft to Bob Crow, August 14, 1989] (open access)

[Letter draft to Bob Crow, August 14, 1989]

Photocopy of a letter from Jack Davis, co-director of North Texas Institute for Educators on the Visual Arts to Bob J. Crow, Executive Director of the Amon G. Carter Foundation, in regards to a grant proposal requesting $159,000 to assist establishing the NTIEVA program. The grant will go towards preparing teachers, school administrators and museum personnel to implement discipline-based arts education program into elementary and secondary schools. Included in the letter are details about NTIEVA's consortia districts and the funding they have received from the Getty Center for Education in the Arts. Scribbled on the sides of the letter are notes of corrections and revisions.
Date: August 14, 1989
Creator: Davis, Donald Jack
Object Type: Letter
System: The UNT Digital Library
[Letter from Jack Davis and Bill McCarter to Bob Crow, August 14, 1989] (open access)

[Letter from Jack Davis and Bill McCarter to Bob Crow, August 14, 1989]

Photocopy of a letter from Jack Davis and Bill McCarter, co-directors of North Texas Institute for Educators on the Visual Arts to Bob J. Crow, Executive Director of the Amon G. Carter Foundation, in regards to a grant proposal requesting $159,000 to assist establishing the NTIEVA program. The grant will go towards preparing teachers, school administrators and museum personnel to implement discipline-based arts education program into elementary and secondary schools. Included in the letter are details about NTIEVA's consortia districts and the funding they have received from the Getty Center for Education in the Arts.
Date: August 14, 1989
Creator: Davis, Donald Jack & McCarter, William, 1939-
Object Type: Letter
System: The UNT Digital Library
[Letter draft from Jack Davis and Bill McCarter to Val Wilkie, August 14, 1989] (open access)

[Letter draft from Jack Davis and Bill McCarter to Val Wilkie, August 14, 1989]

Photocopy of a letter from Jack Davis and Bill McCarter, co-directors of North Texas Institute for Educators on the Visual Arts, to Val Wilkie, Jr., Executive Vice President of Sid Richardson Foundation, in regards to a grant proposal for $159,000 to assist establishing the NTIEVA program. The grant will go towards preparing teachers, school administrators and museum personnel to implement discipline-based arts education program into elementary and secondary schools. Included in the letter are details about NTIEVA's consortia districts and the funding they have received from the Getty Center for Education in the Arts.
Date: August 14, 1989
Creator: Davis, Donald Jack & McCarter, William, 1939-
Object Type: Letter
System: The UNT Digital Library
[Letter from Jack Davis and Bill McCarter to Bob Crow, August 14, 1989] (open access)

[Letter from Jack Davis and Bill McCarter to Bob Crow, August 14, 1989]

Photocopy of a letter from Jack Davis and Bill McCarter, co-directors of North Texas Institute for Educators on the Visual Arts, to Bob J. Crow, Executive Director for the Amon G. Carter Foundation. In regards to NTIEVA's proposal to the Amon Carter Foundation for a three year grant in the amount of $159,000 to assist establishing the NTIEVA program. The grant will go towards preparing teachers, school administrators and museum personnel to implement discipline-based arts education program into elementary and secondary schools. Included in the letter are details about NTIEVA's consortia districts and the funding they have received from the Getty Center for Education in the Arts. Scribbled on the sides of the letter are notes of corrections and revisions.
Date: August 14, 1989
Creator: Davis, Donald Jack & McCarter, William, 1939-
Object Type: Letter
System: The UNT Digital Library
The Bastrop Advertiser (Bastrop, Tex.), Vol. 136, No. 48, Ed. 1 Monday, August 14, 1989 (open access)

The Bastrop Advertiser (Bastrop, Tex.), Vol. 136, No. 48, Ed. 1 Monday, August 14, 1989

Semi-weekly newspaper from Bastrop, Texas that includes local, state, and national news along with extensive advertising.
Date: August 14, 1989
Creator: McAuley, Davis
Object Type: Newspaper
System: The Portal to Texas History
[News Clip: Leland Memorial] captions transcript

[News Clip: Leland Memorial]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about
Date: August 14, 1989, 5:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Leland Memorial] captions transcript

[News Clip: Leland Memorial]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about
Date: August 14, 1989, 6:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Public attitude over homosexuality] captions transcript

[News Clip: Public attitude over homosexuality]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about
Date: August 14, 1989, 10:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Hunger issue] captions transcript

[News Clip: Hunger issue]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about
Date: August 14, 1989, 6:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 75, No. 286, Ed. 1 Monday, August 14, 1989 (open access)

Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 75, No. 286, Ed. 1 Monday, August 14, 1989

Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date: August 14, 1989
Creator: Lake, Charles S.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Burleson Star (Burleson, Tex.), Vol. 24, No. 91, Ed. 1 Monday, August 14, 1989 (open access)

Burleson Star (Burleson, Tex.), Vol. 24, No. 91, Ed. 1 Monday, August 14, 1989

Tri-weekly newspaper from Burleson, Texas that includes local, state, and national news along with advertising.
Date: August 14, 1989
Creator: Moody, James
Object Type: Newspaper
System: The Portal to Texas History
The Wave (Port Lavaca, Tex.), Vol. 98, No. 227, Ed. 1 Monday, August 14, 1989 (open access)

The Wave (Port Lavaca, Tex.), Vol. 98, No. 227, Ed. 1 Monday, August 14, 1989

Daily newspaper from Port Lavaca, Texas that includes local, state, and national news along with advertising.
Date: August 14, 1989
Creator: Surber, Chester C. & Fortney, Paul, Jr.
Object Type: Newspaper
System: The Portal to Texas History
Chickasha Daily Express (Chickasha, Okla.), Vol. 98, No. 133, Ed. 1 Monday, August 14, 1989 (open access)

Chickasha Daily Express (Chickasha, Okla.), Vol. 98, No. 133, Ed. 1 Monday, August 14, 1989

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: August 14, 1989
Creator: Drew, Charles C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
[News Clip: DART DFW] captions transcript

[News Clip: DART DFW]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 6pm.
Date: August 14, 1989
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 67, No. 194, Ed. 1 Monday, August 14, 1989 (open access)

Altus Times (Altus, Okla.), Vol. 67, No. 194, Ed. 1 Monday, August 14, 1989

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: August 14, 1989
Creator: Lomenick, Rick
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 96, No. 158, Ed. 1 Monday, August 14, 1989 (open access)

The Perry Daily Journal (Perry, Okla.), Vol. 96, No. 158, Ed. 1 Monday, August 14, 1989

Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date: August 14, 1989
Creator: Watson, Milo W.
Object Type: Newspaper
System: The Gateway to Oklahoma History