Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1567919360', 'doi': 'https://doi.org/10.1007/0-306-47094-2_6', 'title': 'Are There Four or More Neutrinos?', 'display_name': 'Are There Four or More Neutrinos?', 'publication_year': 2005, 'publication_date': '2005-12-19', 'ids': {'openalex': 'https://openalex.org/W1567919360', 'doi': 'https://doi.org/10.1007/0-306-47094-2_6', 'mag': '1567919360'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/0-306-47094-2_6', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463519', 'display_name': 'Kluwer Academic Publishers eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'ebook platform'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'book-chapter', 'type_crossref': 'book-chapter', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5108404629', 'display_name': 'Kerry Whisnant', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I173911158', 'display_name': 'Iowa State University', 'ror': 'https://ror.org/04rswrd78', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I173911158']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Kerry Whisnant', 'raw_affiliation_strings': ['Iowa State University'], 'affiliations': [{'raw_affiliation_string': 'Iowa State University', 'institution_ids': ['https://openalex.org/I173911158']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5108404629'], 'corresponding_institution_ids': ['https://openalex.org/I173911158'], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 61}, 'biblio': {'volume': None, 'issue': None, 'first_page': '63', 'last_page': '70'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10921', 'display_name': 'Neutrino Physics Research', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10921', 'display_name': 'Neutrino Physics Research', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10048', 'display_name': 'Particle physics theoretical and experimental studies', 'score': 0.9987, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11090', 'display_name': 'Dark Matter and Cosmic Phenomena', 'score': 0.9955, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/solar-neutrino-problem', 'display_name': 'Solar neutrino problem', 'score': 0.62905186}, {'id': 'https://openalex.org/keywords/pontecorvo–maki–nakagawa–sakata-matrix', 'display_name': 'Pontecorvo–Maki–Nakagawa–Sakata matrix', 'score': 0.583786}, {'id': 'https://openalex.org/keywords/mass-matrix', 'display_name': 'Mass matrix', 'score': 0.53003716}, {'id': 'https://openalex.org/keywords/cosmic-neutrino-background', 'display_name': 'Cosmic neutrino background', 'score': 0.5092963}, {'id': 'https://openalex.org/keywords/oscillation', 'display_name': 'Oscillation (cell signaling)', 'score': 0.4311112}, {'id': 'https://openalex.org/keywords/cp-violation', 'display_name': 'CP violation', 'score': 0.41856116}], 'concepts': [{'id': 'https://openalex.org/C186453547', 'wikidata': 'https://www.wikidata.org/wiki/Q2126', 'display_name': 'Neutrino', 'level': 2, 'score': 0.90386343}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.8322674}, {'id': 'https://openalex.org/C109214941', 'wikidata': 'https://www.wikidata.org/wiki/Q18334', 'display_name': 'Particle physics', 'level': 1, 'score': 0.7773362}, {'id': 'https://openalex.org/C107966497', 'wikidata': 'https://www.wikidata.org/wiki/Q509021', 'display_name': 'Neutrino oscillation', 'level': 3, 'score': 0.75873727}, {'id': 'https://openalex.org/C103193775', 'wikidata': 'https://www.wikidata.org/wiki/Q1339405', 'display_name': 'Sterile neutrino', 'level': 4, 'score': 0.73014987}, {'id': 'https://openalex.org/C5807566', 'wikidata': 'https://www.wikidata.org/wiki/Q2216633', 'display_name': 'Solar neutrino', 'level': 4, 'score': 0.684312}, {'id': 'https://openalex.org/C7644452', 'wikidata': 'https://www.wikidata.org/wiki/Q31937', 'display_name': 'Solar neutrino problem', 'level': 5, 'score': 0.62905186}, {'id': 'https://openalex.org/C182785530', 'wikidata': 'https://www.wikidata.org/wiki/Q1924429', 'display_name': 'Measurements of neutrino speed', 'level': 5, 'score': 0.6198078}, {'id': 'https://openalex.org/C138777275', 'wikidata': 'https://www.wikidata.org/wiki/Q6884054', 'display_name': 'Mixing (physics)', 'level': 2, 'score': 0.5858767}, {'id': 'https://openalex.org/C29687730', 'wikidata': 'https://www.wikidata.org/wiki/Q1045351', 'display_name': 'Pontecorvo–Maki–Nakagawa–Sakata matrix', 'level': 5, 'score': 0.583786}, {'id': 'https://openalex.org/C72319582', 'wikidata': 'https://www.wikidata.org/wiki/Q584304', 'display_name': 'Degenerate energy levels', 'level': 2, 'score': 0.53963953}, {'id': 'https://openalex.org/C135585149', 'wikidata': 'https://www.wikidata.org/wiki/Q339704', 'display_name': 'Mass matrix', 'level': 3, 'score': 0.53003716}, {'id': 'https://openalex.org/C187379410', 'wikidata': 'https://www.wikidata.org/wiki/Q3075329', 'display_name': 'Cosmic neutrino background', 'level': 5, 'score': 0.5092963}, {'id': 'https://openalex.org/C2778439541', 'wikidata': 'https://www.wikidata.org/wiki/Q7106412', 'display_name': 'Oscillation (cell signaling)', 'level': 2, 'score': 0.4311112}, {'id': 'https://openalex.org/C41002478', 'wikidata': 'https://www.wikidata.org/wiki/Q12794416', 'display_name': 'CP violation', 'level': 2, 'score': 0.41856116}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.045903414}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/0-306-47094-2_6', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306463519', 'display_name': 'Kluwer Academic Publishers eBooks', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'ebook platform'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 39, 'referenced_works': ['https://openalex.org/W1486642165', 'https://openalex.org/W1567018597', 'https://openalex.org/W1851244774', 'https://openalex.org/W191308201', 'https://openalex.org/W1964007354', 'https://openalex.org/W1967565851', 'https://openalex.org/W1985291573', 'https://openalex.org/W1997876149', 'https://openalex.org/W1998207637', 'https://openalex.org/W2010200249', 'https://openalex.org/W2011081146', 'https://openalex.org/W2018982379', 'https://openalex.org/W2021253996', 'https://openalex.org/W2047212687', 'https://openalex.org/W2049104808', 'https://openalex.org/W2061273998', 'https://openalex.org/W2074702524', 'https://openalex.org/W2077054276', 'https://openalex.org/W2077524912', 'https://openalex.org/W2079210629', 'https://openalex.org/W2081143653', 'https://openalex.org/W2090909605', 'https://openalex.org/W2096827232', 'https://openalex.org/W2102174378', 'https://openalex.org/W2104504877', 'https://openalex.org/W2108277710', 'https://openalex.org/W2111486205', 'https://openalex.org/W2112947337', 'https://openalex.org/W2144822669', 'https://openalex.org/W2147423981', 'https://openalex.org/W2169882665', 'https://openalex.org/W2204384518', 'https://openalex.org/W2238120085', 'https://openalex.org/W3026921574', 'https://openalex.org/W3037640970', 'https://openalex.org/W3101389115', 'https://openalex.org/W3101404062', 'https://openalex.org/W3101611898', 'https://openalex.org/W4238108013'], 'related_works': ['https://openalex.org/W74891494', 'https://openalex.org/W4232027945', 'https://openalex.org/W4229870497', 'https://openalex.org/W3104755970', 'https://openalex.org/W3098786567', 'https://openalex.org/W3098673203', 'https://openalex.org/W3033384780', 'https://openalex.org/W1966888484', 'https://openalex.org/W1543802861', 'https://openalex.org/W1534186200'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1567919360', 'counts_by_year': [], 'updated_date': '2024-12-06T14:56:49.151492', 'created_date': '2016-06-24'}